{"id":1736,"date":"2023-04-27T20:21:59","date_gmt":"2023-04-27T11:21:59","guid":{"rendered":"https:\/\/edu.ujhb.org\/?p=1736"},"modified":"2023-04-27T20:21:59","modified_gmt":"2023-04-27T11:21:59","slug":"airflow%e5%85%a5%e9%97%a8%ef%bc%88%e4%b8%ad%e6%96%87%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=1736","title":{"rendered":"Airflow\u5165\u95e8\uff08\u4e2d\u6587\u7248\uff09"},"content":{"rendered":"\n<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u4e3a\u6211\u5b89\u6392\u89c6\u9891\u6559\u7a0b\u7684\u6587\u5b57\u5185\u5bb9\u3002\u6211\u4eec\u5148\u4eceairflow\u6559\u7a0b\u5f00\u59cb\uff0c\u4f60\u5148\u4e3a\u6211\u5217\u51fa\u8981\u8bb2\u89e3\u7684\u5185\u5bb9\u4e00\u89c8\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\u3002\u4ee5\u4e0b\u662f\u6839\u636eApache Airflow\u5b98\u65b9\u6587\u6863\u548c\u4e00\u4e9b\u5e38\u89c1\u7684\u6559\u7a0b\u8d44\u6e90\u4e3a\u60a8\u8bbe\u8ba1\u7684\u89c6\u9891\u6559\u7a0b\u5927\u7eb2\u3002\u6bcf\u4e2a\u90e8\u5206\u90fd\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u5355\u72ec\u7684\u89c6\u9891\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bfe\u7a0b\u4ecb\u7ecd\u4e0e\u76ee\u6807<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apache Airflow\u7b80\u4ecb<\/li>\n\n\n\n<li>Airflow\u7684\u5e94\u7528\u573a\u666f<\/li>\n\n\n\n<li>\u8bfe\u7a0b\u5927\u7eb2\u548c\u76ee\u6807<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Airflow\u5b89\u88c5\u4e0e\u914d\u7f6e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cfb\u7edf\u8981\u6c42\u4e0e\u4f9d\u8d56<\/li>\n\n\n\n<li>\u4f7f\u7528pip\u5b89\u88c5Airflow<\/li>\n\n\n\n<li>\u914d\u7f6eAirflow\u5143\u6570\u636e\u5e93<\/li>\n\n\n\n<li>\u521d\u59cb\u5316Airflow\u6570\u636e\u5e93<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>Airflow\u57fa\u672c\u6982\u5ff5<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DAG (Directed Acyclic Graph)<\/li>\n\n\n\n<li>Task<\/li>\n\n\n\n<li>Operator<\/li>\n\n\n\n<li>TaskInstance<\/li>\n\n\n\n<li>Executor<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u7f16\u5199\u60a8\u7684\u7b2c\u4e00\u4e2aAirflow DAG<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684DAG<\/li>\n\n\n\n<li>\u5b9a\u4e49\u4efb\u52a1\u548c\u4f9d\u8d56\u5173\u7cfb<\/li>\n\n\n\n<li>\u5728Airflow Web\u754c\u9762\u4e2d\u67e5\u770bDAG<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u4f7f\u7528\u5185\u7f6eOperator<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BashOperator<\/li>\n\n\n\n<li>PythonOperator<\/li>\n\n\n\n<li>BranchOperator<\/li>\n\n\n\n<li>SubDagOperator<\/li>\n\n\n\n<li>\u7b49\u5176\u4ed6\u5e38\u89c1Operator<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>Airflow\u4efb\u52a1\u8c03\u5ea6\u4e0e\u6267\u884c<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u7684\u4ecb\u7ecd<\/li>\n\n\n\n<li>\u4f7f\u7528LocalExecutor\u548cCeleryExecutor<\/li>\n\n\n\n<li>\u914d\u7f6e\u5e76\u884c\u4efb\u52a1\u548c\u8d44\u6e90\u9650\u5236<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li>\u4efb\u52a1\u4f9d\u8d56\u4e0e\u89e6\u53d1\u5668<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb<\/li>\n\n\n\n<li>\u4f7f\u7528\u89e6\u53d1\u5668\u89c4\u5219<\/li>\n\n\n\n<li>\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li>Airflow\u53d8\u91cf\u4e0e\u8fde\u63a5<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ba1\u7406Airflow\u53d8\u91cf<\/li>\n\n\n\n<li>\u5728DAG\u4e2d\u4f7f\u7528\u53d8\u91cf<\/li>\n\n\n\n<li>\u7ba1\u7406\u548c\u4f7f\u7528\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"9\">\n<li>Airflow XComs\uff08\u8de8\u4efb\u52a1\u901a\u4fe1\uff09<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>XCom\u7b80\u4ecb<\/li>\n\n\n\n<li>\u5728\u4efb\u52a1\u4e2d\u4ea7\u751f\u548c\u4f7f\u7528XComs<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"10\">\n<li>Airflow\u6a21\u677f\u548cJinja\u6a21\u677f\u5f15\u64ce<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u6a21\u677f\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570<\/li>\n\n\n\n<li>\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\u4f7f\u7528Jinja\u6a21\u677f<\/li>\n\n\n\n<li>Airflow\u5b8f\u548c\u51fd\u6570<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"11\">\n<li>Airflow\u76d1\u63a7\u4e0e\u65e5\u5fd7<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528Airflow Web\u754c\u9762\u8fdb\u884c\u76d1\u63a7<\/li>\n\n\n\n<li>\u67e5\u770b\u4efb\u52a1\u65e5\u5fd7<\/li>\n\n\n\n<li>\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001\u548cSLA<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"12\">\n<li>Airflow\u90e8\u7f72\u4e0e\u5b89\u5168\u6027<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528Docker\u90e8\u7f72Airflow<\/li>\n\n\n\n<li>Airflow\u96c6\u7fa4\u90e8\u7f72<\/li>\n\n\n\n<li>\u914d\u7f6eAirflow\u8ba4\u8bc1\u548c\u6388\u6743<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"13\">\n<li>\u81ea\u5b9a\u4e49\u63d2\u4ef6\u548cOperator<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63d2\u4ef6\u7cfb\u7edf\u4ecb\u7ecd<\/li>\n\n\n\n<li>\u7f16\u5199\u81ea\u5b9a\u4e49Operator<\/li>\n\n\n\n<li>\u5c06\u81ea\u5b9a\u4e49Operator\u6dfb\u52a0\u5230Airflow\u4e2d<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"14\">\n<li>Airflow\u6700\u4f73\u5b9e\u8df5<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ee3\u7801\u7ec4\u7ec7\u4e0e\u6a21\u5757\u5316<\/li>\n\n\n\n<li>\u4f7f\u7528\u52a8\u6001\u751f\u6210\u7684DAG<\/li>\n\n\n\n<li>\u4efb\u52a1\u91cd\u8bd5\u7b56\u7565<\/li>\n\n\n\n<li>\u9ad8\u53ef\u7528\u6027\u4e0e\u6545\u969c\u8f6c\u79fb<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"15\">\n<li>\u8bfe\u7a0b\u603b\u7ed3\u4e0e\u540e\u7eed\u5b66\u4e60\u8d44\u6e90<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56de\u987e\u8bfe\u7a0b\u5185\u5bb9<\/li>\n\n\n\n<li>\u63a2\u8ba8Airflow\u7684\u672a\u6765\u53d1\u5c55<\/li>\n\n\n\n<li>\u63d0\u4f9b\u76f8\u5173\u5b66\u4e60\u8d44\u6e90\u548c\u8fdb\u9636\u6559\u7a0b\u63a8\u8350<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e2a\u5927\u7eb2\u53ea\u662f\u4e00\u4e2a\u521d\u6b65\u7684\u5efa\u8bae\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u8981\u548c\u7f51\u7ad9\u5185\u5bb9\u6765\u8c03\u6574\u548c\u4f18\u5316\u3002\u5e0c\u671b\u8fd9\u80fd\u4e3a\u60a8\u7684IT\u6559\u7a0b\u89c6\u9891\u63d0\u4f9b\u5e2e\u52a9\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caApache Airflow\u7b80\u4ecb<\/p>\n\n\n\n<p>The previous model used in this conversation is unavailable. We&#8217;ve switched you to the latest default model<\/p>\n\n\n\n<p>\u5f53\u8c08\u8bba Apache Airflow \u65f6\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5c06\u5176\u63cf\u8ff0\u4e3a\u4e00\u4e2a\u5206\u5e03\u5f0f\u3001\u53ef\u7f16\u7a0b\u7684\u5de5\u4f5c\u6d41\u7a0b\u7ba1\u7406\u7cfb\u7edf\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u8de8\u591a\u4e2a\u7cfb\u7edf\u548c\u670d\u52a1\u521b\u5efa\u3001\u8ba1\u5212\u548c\u76d1\u63a7\u590d\u6742\u7684\u6570\u636e\u7ba1\u9053\u3001ETL\uff08\u62bd\u53d6\u3001\u8f6c\u6362\u3001\u52a0\u8f7d\uff09\u6d41\u7a0b\u3001\u673a\u5668\u5b66\u4e60\u5de5\u4f5c\u6d41\u7a0b\u3001\u8fd0\u7ef4\u4efb\u52a1\u548c\u5176\u4ed6\u81ea\u52a8\u5316\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p>Airflow \u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u53ef\u7f16\u7a0b\u548c\u53ef\u6269\u5c55\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u8fd9\u4e9b\u4efb\u52a1\u548c\u5de5\u4f5c\u6d41\u7a0b\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 Python \u8bed\u8a00\u7f16\u5199\u53ef\u91cd\u590d\u4f7f\u7528\u7684\u4efb\u52a1\u548c\u64cd\u4f5c\u7b26\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u57fa\u4e8e DAG (Directed Acyclic Graph) \u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u7528\u6237\u7075\u6d3b\u5730\u5b9a\u4e49\u4efb\u52a1\u7684\u6267\u884c\u987a\u5e8f\u3001\u4f9d\u8d56\u5173\u7cfb\u548c\u53c2\u6570\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u5229\u7528 Airflow \u7684\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u6765\u786e\u4fdd\u4efb\u52a1\u6309\u65f6\u5b8c\u6210\u5e76\u4e14\u6ca1\u6709\u4efb\u52a1\u51b2\u7a81\u3002<\/p>\n\n\n\n<p>Airflow \u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u7684\u7279\u6027\u548c\u5de5\u5177\uff0c\u4f8b\u5982\u53ef\u89c6\u5316\u754c\u9762\u3001\u53ef\u63d2\u62d4\u7684\u63d2\u4ef6\u7cfb\u7edf\u3001\u5f3a\u5927\u7684 XCom\uff08\u8de8\u4efb\u52a1\u901a\u4fe1\uff09\u673a\u5236\u3001\u4efb\u52a1\u91cd\u8bd5\u3001\u4efb\u52a1\u5931\u8d25\u5904\u7406\u3001\u76d1\u63a7\u548c\u8b66\u62a5\u7b49\uff0c\u8fd9\u4e9b\u7279\u6027\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u597d\u5730\u7ba1\u7406\u548c\u76d1\u63a7\u4efb\u52a1\u548c\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p>Airflow \u662f\u7531 Airbnb \u5f00\u6e90\u5e76\u8d21\u732e\u7ed9 Apache \u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7ba1\u7406\u7684\u3002\u76ee\u524d\uff0c\u5b83\u5df2\u7ecf\u6210\u4e3a\u4e00\u4e2a\u5e7f\u53d7\u6b22\u8fce\u7684\u5f00\u6e90\u9879\u76ee\uff0c\u5e76\u4e14\u5728\u8bb8\u591a\u5927\u578b\u7ec4\u7ec7\u548c\u516c\u53f8\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u548c\u63a8\u5e7f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u7684\u5e94\u7528\u573a\u666f<\/p>\n\n\n\n<p>Apache Airflow \u53ef\u4ee5\u7528\u4e8e\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\u5904\u7406\u3001ETL\u3001\u673a\u5668\u5b66\u4e60\u5de5\u4f5c\u6d41\u7a0b\u3001\u6570\u636e\u7ba1\u9053\u3001\u8fd0\u7ef4\u4efb\u52a1\u548c\u5176\u4ed6\u81ea\u52a8\u5316\u6d41\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684 Airflow \u5e94\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u5904\u7406\u548c ETL Airflow \u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u548c ETL \u5de5\u4f5c\u6d41\u7a0b\u3002\u901a\u8fc7\u5b9a\u4e49 DAG\uff0c\u7528\u6237\u53ef\u4ee5\u7f16\u6392\u4efb\u52a1\u548c\u64cd\u4f5c\u7b26\u7684\u6267\u884c\u987a\u5e8f\u548c\u4f9d\u8d56\u5173\u7cfb\uff0c\u540c\u65f6\u4f7f\u7528 Airflow \u7684\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u6765\u786e\u4fdd\u4efb\u52a1\u6309\u65f6\u5b8c\u6210\u5e76\u4e14\u6ca1\u6709\u4efb\u52a1\u51b2\u7a81\u3002Airflow \u8fd8\u652f\u6301\u5404\u79cd\u6570\u636e\u6e90\u548c\u6570\u636e\u5b58\u50a8\uff0c\u5305\u62ec Hadoop\u3001Spark\u3001Hive\u3001SQLAlchemy\u3001PostgreSQL\u3001MySQL \u7b49\u3002<\/li>\n\n\n\n<li>\u673a\u5668\u5b66\u4e60\u5de5\u4f5c\u6d41\u7a0b Airflow \u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u590d\u6742\u7684\u673a\u5668\u5b66\u4e60\u5de5\u4f5c\u6d41\u7a0b\uff0c\u5305\u62ec\u6570\u636e\u9884\u5904\u7406\u3001\u7279\u5f81\u5de5\u7a0b\u3001\u6a21\u578b\u8bad\u7ec3\u3001\u6a21\u578b\u8bc4\u4f30\u548c\u90e8\u7f72\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 Python \u7f16\u5199\u81ea\u5b9a\u4e49\u7684\u4efb\u52a1\u548c\u64cd\u4f5c\u7b26\uff0c\u540c\u65f6\u5229\u7528 Airflow \u7684\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u6765\u7ba1\u7406\u548c\u76d1\u63a7\u8fd9\u4e9b\u4efb\u52a1\u7684\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u7ba1\u9053\u548c\u6570\u636e\u6d41 Airflow \u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u6570\u636e\u7ba1\u9053\u548c\u6570\u636e\u6d41\u7684\u5904\u7406\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 Airflow \u5b9a\u4e49\u6570\u636e\u5904\u7406\u4efb\u52a1\u7684\u6267\u884c\u987a\u5e8f\u548c\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u5229\u7528 Airflow \u7684\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u6765\u786e\u4fdd\u6570\u636e\u5728\u5404\u4e2a\u7cfb\u7edf\u548c\u670d\u52a1\u4e4b\u95f4\u6309\u65f6\u6d41\u52a8\u3002<\/li>\n\n\n\n<li>\u8fd0\u7ef4\u4efb\u52a1\u548c\u81ea\u52a8\u5316\u6d41\u7a0b Airflow \u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u5404\u79cd\u8fd0\u7ef4\u4efb\u52a1\u548c\u81ea\u52a8\u5316\u6d41\u7a0b\uff0c\u4f8b\u5982\u7cfb\u7edf\u76d1\u63a7\u3001\u62a5\u8b66\u3001\u65e5\u5fd7\u5206\u6790\u3001\u5907\u4efd\u548c\u6062\u590d\u7b49\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 Python \u7f16\u5199\u81ea\u5b9a\u4e49\u7684\u4efb\u52a1\u548c\u64cd\u4f5c\u7b26\uff0c\u540c\u65f6\u5229\u7528 Airflow \u7684\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u6765\u7ba1\u7406\u548c\u76d1\u63a7\u8fd9\u4e9b\u4efb\u52a1\u7684\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u5176\u4ed6\u81ea\u52a8\u5316\u6d41\u7a0b \u9664\u4e86\u4e0a\u8ff0\u573a\u666f\u4e4b\u5916\uff0cAirflow \u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u5176\u4ed6\u81ea\u52a8\u5316\u6d41\u7a0b\uff0c\u4f8b\u5982\u6570\u636e\u6e05\u7406\u3001\u6570\u636e\u8f6c\u6362\u3001\u6570\u636e\u52a0\u8f7d\u3001\u6570\u636e\u96c6\u6210\u3001\u6570\u636e\u8fc1\u79fb\u7b49\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 Python \u7f16\u5199\u81ea\u5b9a\u4e49\u7684\u4efb\u52a1\u548c\u64cd\u4f5c\u7b26\uff0c\u5e76\u5229\u7528 Airflow \u7684\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u6765\u7ba1\u7406\u548c\u76d1\u63a7\u8fd9\u4e9b\u4efb\u52a1\u7684\u6267\u884c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cAirflow \u53ef\u4ee5\u5e94\u7528\u4e8e\u4efb\u4f55\u9700\u8981\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u590d\u6742\u4efb\u52a1\u548c\u5de5\u4f5c\u6d41\u7a0b\u7684\u573a\u666f\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u53ef\u7f16\u7a0b\u548c\u53ef\u6269\u5c55\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u8fd9\u4e9b\u4efb\u52a1\u548c\u5de5\u4f5c\u6d41\u7a0b\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7279\u6027\u548c\u5de5\u5177\u6765\u5e2e\u52a9\u7528\u6237\u66f4\u597d\u5730\u7ba1\u7406\u548c\u76d1\u63a7\u4efb\u52a1\u548c\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u5b89\u88c5\u4e0e\u914d\u7f6e\u7cfb\u7edf\u8981\u6c42\u4e0e\u4f9d\u8d56<\/p>\n\n\n\n<p>\u8981\u5b89\u88c5\u548c\u914d\u7f6e Airflow\uff0c\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u7cfb\u7edf\u8981\u6c42\u548c\u4f9d\u8d56\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7cfb\u7edf\u8981\u6c42<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Airflow \u652f\u6301\u5728 Linux\u3001macOS \u548c Windows \u4e0a\u8fd0\u884c\uff0c\u4f46\u5728 Linux \u4e0a\u8fd0\u884c\u6700\u4e3a\u5e38\u89c1\u3002<\/li>\n\n\n\n<li>\u63a8\u8350\u4f7f\u7528 Ubuntu\u3001Debian\u3001CentOS \u6216 RHEL \u7b49\u5e38\u89c1\u7684 Linux \u53d1\u884c\u7248\uff0c\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u907f\u514d\u4f9d\u8d56\u51b2\u7a81\u548c\u5176\u4ed6\u7cfb\u7edf\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u7cfb\u7edf\u5e94\u81f3\u5c11\u5177\u5907 2GB \u5185\u5b58\u30012GB \u78c1\u76d8\u7a7a\u95f4\u4ee5\u53ca\u8db3\u591f\u7684 CPU \u548c\u7f51\u7edc\u5e26\u5bbd\uff0c\u4ee5\u4fdd\u8bc1 Airflow \u7684\u6b63\u5e38\u8fd0\u884c\u548c\u4efb\u52a1\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u4f9d\u8d56<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Airflow \u4f9d\u8d56\u4e8e Python 3.x \u7248\u672c\u548c\u4e00\u4e9b Python \u5e93\u548c\u5de5\u5177\u3002<\/li>\n\n\n\n<li>\u63a8\u8350\u4f7f\u7528 Anaconda\u3001Miniconda \u6216\u865a\u62df\u73af\u5883\u7b49\u65b9\u5f0f\u7ba1\u7406 Python \u73af\u5883\u3002<\/li>\n\n\n\n<li>\u63a8\u8350\u5b89\u88c5 Airflow \u7684\u6700\u65b0\u7a33\u5b9a\u7248\uff0c\u4ee5\u786e\u4fdd\u83b7\u5f97\u6700\u65b0\u7684\u7279\u6027\u548c\u4fee\u590d\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684 Airflow \u4f9d\u8d56\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u9700\u4f9d\u8d56\uff1aapache-airflow\u3001psutil\u3001setuptools\u3001pandas\u3001pytz\u3001pyOpenSSL \u7b49\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5e93\u4f9d\u8d56\uff1aAirflow \u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\uff0c\u5305\u62ec SQLite\u3001MySQL\u3001PostgreSQL\u3001Oracle \u7b49\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u6570\u636e\u5e93\uff0c\u5e76\u5b89\u88c5\u76f8\u5e94\u7684 Python \u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3002<\/li>\n\n\n\n<li>\u6267\u884c\u5668\u4f9d\u8d56\uff1aAirflow \u652f\u6301\u591a\u79cd\u6267\u884c\u5668\uff0c\u5305\u62ec LocalExecutor\u3001CeleryExecutor\u3001DaskExecutor\u3001KubernetesExecutor \u7b49\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u6267\u884c\u5668\uff0c\u5e76\u5b89\u88c5\u76f8\u5e94\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u5b89\u88c5\u548c\u914d\u7f6e Airflow \u4e4b\u524d\uff0c\u7528\u6237\u9700\u8981\u786e\u4fdd\u7cfb\u7edf\u6ee1\u8db3\u4e0a\u8ff0\u8981\u6c42\u548c\u4f9d\u8d56\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u5185\u5b58\u3001\u8c03\u6574\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u914d\u7f6e\u3001\u4f7f\u7528 Docker \u7b49\u65b9\u5f0f\u6765\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u5b89\u88c5\u4e0e\u914d\u7f6e\u4f7f\u7528pip\u5b89\u88c5Airflow<\/p>\n\n\n\n<p>\u4f7f\u7528 pip \u5b89\u88c5 Apache Airflow \u662f\u6700\u7b80\u5355\u548c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u4e0b\u9762\u662f\u5b89\u88c5\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u88c5 Python \u548c pip<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5b89\u88c5 Airflow \u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u5b89\u88c5 Python \u548c pip\u3002<\/li>\n\n\n\n<li>\u63a8\u8350\u4f7f\u7528 Python 3.x \u7248\u672c\u548c\u6700\u65b0\u7684 pip \u7248\u672c\uff0c\u53ef\u4ee5\u83b7\u5f97\u6700\u65b0\u7684\u7279\u6027\u548c\u4fee\u590d\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5b89\u88c5 Airflow<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u754c\u9762\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5 Airflow\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">Copy code<code>pip install apache-airflow\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u9700\u8981\u5b89\u88c5\u7279\u5b9a\u7248\u672c\u7684 Airflow\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>pip install apache-airflow==&lt;version&gt;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u5c06\u4ece PyPI \u4e2d\u4e0b\u8f7d\u548c\u5b89\u88c5 Airflow \u53ca\u5176\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u521d\u59cb\u5316\u6570\u636e\u5e93<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5b89\u88c5 Airflow \u4e4b\u540e\uff0c\u9700\u8981\u521d\u59cb\u5316 Airflow \u5143\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u521d\u59cb\u5316\u5143\u6570\u636e\u5e93\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>airflow db init\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u5c06\u521b\u5efa Airflow \u7684\u5143\u6570\u636e\u5e93\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efa\u5fc5\u8981\u7684\u8868\u683c\u548c\u7d22\u5f15\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u542f\u52a8 Airflow Web \u670d\u52a1\u5668\u548c\u8c03\u5ea6\u5668<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u542f\u52a8 Airflow Web \u670d\u52a1\u5668\u548c\u8c03\u5ea6\u5668\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>airflow webserver --port 8080\nairflow scheduler\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u5c06\u542f\u52a8 Airflow Web \u670d\u52a1\u5668\u548c\u8c03\u5ea6\u5668\uff0c\u5e76\u4f7f\u5176\u5728\u672c\u5730\u7684 8080 \u7aef\u53e3\u76d1\u542c Web \u8bf7\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u8bbf\u95ee Airflow Web \u754c\u9762<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u4ee5\u4e0b URL\uff0c\u8bbf\u95ee Airflow Web \u754c\u9762\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>http:\/\/localhost:8080\/\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u5c06\u6253\u5f00 Airflow \u7684 Web \u754c\u9762\uff0c\u60a8\u53ef\u4ee5\u5728\u5176\u4e2d\u7ba1\u7406\u548c\u76d1\u63a7 DAG\u3001\u4efb\u52a1\u3001\u65e5\u5fd7\u548c\u5176\u4ed6\u5143\u7d20\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5b89\u88c5 Airflow \u4e4b\u524d\uff0c\u5fc5\u987b\u786e\u4fdd\u7cfb\u7edf\u6ee1\u8db3\u7cfb\u7edf\u8981\u6c42\u548c\u4f9d\u8d56\uff0c\u5e76\u4e14\u5df2\u7ecf\u521d\u59cb\u5316\u4e86\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li>\u5728\u542f\u52a8 Airflow \u4e4b\u524d\uff0c\u5fc5\u987b\u786e\u4fdd\u7cfb\u7edf\u6ee1\u8db3\u7cfb\u7edf\u8981\u6c42\u548c\u4f9d\u8d56\uff0c\u5e76\u4e14\u5df2\u7ecf\u521d\u59cb\u5316\u4e86\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li>\u5728\u8bbf\u95ee Airflow Web \u754c\u9762\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u542f\u52a8 Web \u670d\u52a1\u5668\u548c\u8c03\u5ea6\u5668\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5b89\u88c5 Airflow \u65f6\uff0c\u63a8\u8350\u4f7f\u7528\u865a\u62df\u73af\u5883\u6216\u5bb9\u5668\u5316\u6280\u672f\uff0c\u4ee5\u907f\u514d\u4f9d\u8d56\u51b2\u7a81\u548c\u7cfb\u7edf\u6c61\u67d3\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 pip \u5b89\u88c5 Airflow \u65f6\uff0c\u63a8\u8350\u6dfb\u52a0 <code>--user<\/code> \u53c2\u6570\uff0c\u4ee5\u4fbf\u5c06 Airflow \u5b89\u88c5\u5728\u7528\u6237\u76ee\u5f55\u4e0b\uff0c\u800c\u4e0d\u662f\u7cfb\u7edf\u7ea7\u522b\u7684\u4f4d\u7f6e\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 pip \u5b89\u88c5 Airflow \u65f6\uff0c\u63a8\u8350\u5b89\u88c5\u989d\u5916\u7684\u4f9d\u8d56\uff0c\u4ee5\u4fbf\u5728\u8fd0\u884c Airflow \u65f6\u83b7\u5f97\u66f4\u597d\u7684\u4f53\u9a8c\u548c\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5b89\u88c5 <code>apache-airflow[postgres]<\/code> \u6216 <code>apache-airflow[mysql]<\/code> \u7b49\u9644\u52a0\u5305\uff0c\u4ee5\u652f\u6301 PostgreSQL \u6216 MySQL \u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li>\u5728\u5b89\u88c5\u548c\u914d\u7f6e Airflow \u65f6\uff0c\u63a8\u8350\u4f7f\u7528\u6700\u65b0\u7684\u7a33\u5b9a\u7248\u672c\uff0c\u5e76\u53ca\u65f6\u66f4\u65b0\u548c\u5347\u7ea7\uff0c\u4ee5\u83b7\u5f97\u6700\u65b0\u7684\u7279\u6027\u548c\u4fee\u590d\u3002<\/li>\n\n\n\n<li>\u5728\u542f\u52a8 Airflow Web \u670d\u52a1\u5668\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>-D<\/code> \u6216 <code>--daemon<\/code> \u53c2\u6570\u5c06\u5176\u4f5c\u4e3a\u5b88\u62a4\u8fdb\u7a0b\u8fd0\u884c\uff0c\u5e76\u4f7f\u7528 <code>-pid<\/code> \u53c2\u6570\u6307\u5b9a PID \u6587\u4ef6\u7684\u4f4d\u7f6e\u3002\u8fd9\u5c06\u4f7f Web \u670d\u52a1\u5668\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u5e76\u4e14\u53ef\u4ee5\u65b9\u4fbf\u5730\u505c\u6b62\u548c\u91cd\u542f\u3002<\/li>\n\n\n\n<li>\u5728\u8fd0\u884c Airflow \u8c03\u5ea6\u5668\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>-n<\/code> \u6216 <code>--num_runs<\/code> \u53c2\u6570\u6307\u5b9a\u8c03\u5ea6\u5668\u5728\u9000\u51fa\u524d\u8981\u8fd0\u884c\u7684\u6700\u5927 DAG \u6570\u91cf\u3002\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u907f\u514d\u8c03\u5ea6\u5668\u5728\u8fd0\u884c\u8fc7\u591a DAG \u65f6\u5360\u7528\u8fc7\u591a\u7cfb\u7edf\u8d44\u6e90\u548c\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u63a8\u8350\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 DAG \u7f13\u5b58\u3001\u5408\u7406\u8bbe\u7f6e\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u7684\u53c2\u6570\u3001\u5408\u7406\u8bbe\u7f6e\u4efb\u52a1\u7684 retry \u548c timeout \u7b49\u53c2\u6570\uff0c\u4ee5\u53ca\u907f\u514d\u4f7f\u7528\u8fc7\u4e8e\u590d\u6742\u7684 DAG \u6216\u4efb\u52a1\u7ed3\u6784\u7b49\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5b89\u5168\u6027\u548c\u6743\u9650\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u63d0\u4f9b\u7684\u8eab\u4efd\u9a8c\u8bc1\u548c\u6388\u6743\u673a\u5236\uff0c\u9650\u5236\u7528\u6237\u548c\u7ec4\u5bf9\u4efb\u52a1\u548c DAG \u7684\u8bbf\u95ee\u548c\u6267\u884c\u6743\u9650\uff0c\u4ee5\u53ca\u4f7f\u7528 Airflow \u63d0\u4f9b\u7684\u52a0\u5bc6\u548c\u8ba4\u8bc1\u673a\u5236\uff0c\u4fdd\u62a4\u4efb\u52a1\u548c\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u65e5\u5fd7\u548c\u76d1\u63a7\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u63d0\u4f9b\u7684\u65e5\u5fd7\u7cfb\u7edf\u548c\u76d1\u63a7\u7cfb\u7edf\uff0c\u8bb0\u5f55\u548c\u8ddf\u8e2a DAG \u548c\u4efb\u52a1\u7684\u6267\u884c\u60c5\u51b5\uff0c\u4ee5\u53ca\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\u548c\u670d\u52a1\uff0c\u4f8b\u5982 ELK\u3001Prometheus\u3001Grafana \u7b49\uff0c\u5bf9 Airflow \u7684\u8fd0\u884c\u60c5\u51b5\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u76d1\u63a7\u548c\u5206\u6790\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u8003\u8651\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u63d0\u4f9b\u7684\u6269\u5c55\u673a\u5236\u548c\u63d2\u4ef6\u7cfb\u7edf\uff0c\u6dfb\u52a0\u81ea\u5b9a\u4e49\u7684\u4efb\u52a1\u548c\u64cd\u4f5c\u7b26\uff0c\u4ee5\u53ca\u4f7f\u7528\u5bb9\u5668\u5316\u6280\u672f\u548c\u4e91\u539f\u751f\u6280\u672f\uff0c\u6784\u5efa\u5f39\u6027\u548c\u53ef\u9760\u7684 Airflow \u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u540e\uff0c\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u7248\u672c\u63a7\u5236\u548c\u5347\u7ea7\u3002\u7531\u4e8e Airflow \u53ef\u80fd\u4f1a\u9891\u7e41\u5730\u53d1\u5e03\u65b0\u7248\u672c\u548c\u8865\u4e01\uff0c\u56e0\u6b64\u5efa\u8bae\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff0c\u4f8b\u5982 Git\uff0c\u7ba1\u7406\u548c\u8ddf\u8e2a Airflow \u7684\u4ee3\u7801\u548c\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u53ca\u65f6\u5347\u7ea7\u5230\u6700\u65b0\u7684\u7a33\u5b9a\u7248\u672c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528 pip \u5b89\u88c5 Apache Airflow \u662f\u4e00\u79cd\u7b80\u5355\u548c\u65b9\u4fbf\u7684\u65b9\u6cd5\uff0c\u7528\u6237\u53ea\u9700\u51e0\u4e2a\u7b80\u5355\u7684\u6b65\u9aa4\u5373\u53ef\u5728\u81ea\u5df1\u7684\u8ba1\u7b97\u673a\u4e0a\u5feb\u901f\u642d\u5efa\u4e00\u4e2a Airflow \u73af\u5883\u3002\u4f46\u540c\u65f6\u4e5f\u9700\u8981\u6ce8\u610f\u7cfb\u7edf\u8981\u6c42\u548c\u4f9d\u8d56\u3001\u5b89\u5168\u6027\u548c\u6743\u9650\u7ba1\u7406\u3001\u65e5\u5fd7\u548c\u76d1\u63a7\u3001\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u7b49\u65b9\u9762\u7684\u95ee\u9898\uff0c\u4ee5\u786e\u4fdd Airflow \u7684\u6b63\u5e38\u8fd0\u884c\u548c\u4efb\u52a1\u6267\u884c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u5b89\u88c5\u4e0e\u914d\u7f6e\u914d\u7f6eAirflow\u5143\u6570\u636e\u5e93<\/p>\n\n\n\n<p>\u5728\u4f7f\u7528 Airflow \u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u914d\u7f6e Airflow \u7684\u5143\u6570\u636e\u5e93\uff0c\u4ee5\u4fbf Airflow \u53ef\u4ee5\u5b58\u50a8\u548c\u7ba1\u7406 DAG\u3001\u4efb\u52a1\u3001\u65e5\u5fd7\u7b49\u5143\u6570\u636e\u4fe1\u606f\u3002\u4e0b\u9762\u662f\u914d\u7f6e Airflow \u5143\u6570\u636e\u5e93\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9009\u62e9\u6570\u636e\u5e93 Airflow \u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\uff0c\u5305\u62ec SQLite\u3001MySQL\u3001PostgreSQL\u3001Oracle \u7b49\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u6570\u636e\u5e93\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u4ee5 SQLite \u4e3a\u4f8b\u8fdb\u884c\u4ecb\u7ecd\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u6570\u636e\u5e93 \u5982\u679c\u4f7f\u7528 SQLite\uff0cAirflow \u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a SQLite \u6570\u636e\u5e93\u6587\u4ef6\u3002\u5982\u679c\u4f7f\u7528\u5176\u4ed6\u6570\u636e\u5e93\uff0c\u9700\u8981\u5148\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u6570\u636e\u5e93\uff0c\u5e76\u5728 Airflow \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u914d\u7f6e\u5143\u6570\u636e\u5e93\u8fde\u63a5 \u5728 Airflow \u7684\u914d\u7f6e\u6587\u4ef6 <code>airflow.cfg<\/code> \u4e2d\uff0c\u53ef\u4ee5\u627e\u5230 <code>core<\/code> \u90e8\u5206\u7684 <code>sql_alchemy_conn<\/code> \u914d\u7f6e\u9879\uff0c\u7528\u4e8e\u914d\u7f6e\u5143\u6570\u636e\u5e93\u7684\u8fde\u63a5\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 SQLite \u6570\u636e\u5e93\u65f6\uff0c\u53ef\u4ee5\u5c06\u8be5\u914d\u7f6e\u9879\u8bbe\u7f6e\u4e3a\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">rubyCopy code<code>sql_alchemy_conn = sqlite:\/\/\/\/home\/user\/airflow\/airflow.db\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d <code>\/\/\/\/<\/code> \u540e\u9762\u7684\u8def\u5f84\u4e3a SQLite \u6570\u636e\u5e93\u6587\u4ef6\u7684\u8def\u5f84\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u521d\u59cb\u5316\u5143\u6570\u636e\u5e93 \u5728\u914d\u7f6e\u5b8c\u5143\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u540e\uff0c\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u521d\u59cb\u5316\u5143\u6570\u636e\u5e93\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>airflow db init\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u521b\u5efa Airflow \u7684\u5143\u6570\u636e\u5e93\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efa\u5fc5\u8981\u7684\u8868\u683c\u548c\u7d22\u5f15\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5347\u7ea7\u5143\u6570\u636e\u5e93 \u5982\u679c\u9700\u8981\u5347\u7ea7\u5143\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">Copy code<code>airflow db upgrade\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u81ea\u52a8\u5347\u7ea7\u5143\u6570\u636e\u5e93\uff0c\u4ee5\u9002\u5e94\u5f53\u524d\u7248\u672c\u7684 Airflow\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u914d\u7f6e\u5143\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u65f6\uff0c\u5fc5\u987b\u786e\u4fdd\u8fde\u63a5\u4fe1\u606f\u6b63\u786e\u3001\u5b89\u5168\u548c\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u5728\u521d\u59cb\u5316\u6216\u5347\u7ea7\u5143\u6570\u636e\u5e93\u65f6\uff0c\u5fc5\u987b\u786e\u4fdd\u6570\u636e\u5e93\u8fde\u63a5\u6b63\u5e38\u3001\u5143\u6570\u636e\u5e93\u4e0d\u5b58\u5728\u6216\u5df2\u5907\u4efd\uff0c\u5e76\u4e14\u62e5\u6709\u8db3\u591f\u7684\u6743\u9650\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 SQLite \u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u8def\u5f84\u5206\u9694\u7b26\u7684\u95ee\u9898\u3002\u5728 Windows \u4e0a\uff0c\u8def\u5f84\u5206\u9694\u7b26\u4e3a\u53cd\u659c\u6760 <code>\\<\/code>\uff0c\u800c\u5728 Linux \u548c macOS \u4e0a\uff0c\u8def\u5f84\u5206\u9694\u7b26\u4e3a\u6b63\u659c\u6760 <code>\/<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u914d\u7f6e\u5143\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u4f8b\u5982 MySQL\u3001PostgreSQL \u7b49\u3002\u5177\u4f53\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u683c\u5f0f\u53ef\u4ee5\u53c2\u8003\u76f8\u5e94\u7684\u6570\u636e\u5e93\u6587\u6863\u3002<\/li>\n\n\n\n<li>\u5728\u521d\u59cb\u5316\u6216\u5347\u7ea7\u5143\u6570\u636e\u5e93\u65f6\uff0c\u5982\u679c\u9047\u5230\u9519\u8bef\u6216\u5f02\u5e38\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528 <code>airflow db reset<\/code> \u547d\u4ee4\uff0c\u5c06\u5143\u6570\u636e\u5e93\u91cd\u7f6e\u4e3a\u521d\u59cb\u72b6\u6001\u3002\u4f46\u8fd9\u5c06\u5220\u9664\u6240\u6709\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u5305\u62ec DAG\u3001\u4efb\u52a1\u3001\u65e5\u5fd7\u7b49\uff0c\u56e0\u6b64\u5fc5\u987b\u8c28\u614e\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u5e93\u7684\u5907\u4efd\u548c\u6062\u590d\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b9a\u671f\u5907\u4efd\u3001\u590d\u5236\u6216\u540c\u6b65\u5143\u6570\u636e\u5e93\uff0c\u4ee5\u4fdd\u62a4\u5143\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u7684\u6e05\u7406\u548c\u7ba1\u7406\u3002\u7531\u4e8e\u5143\u6570\u636e\u53ef\u80fd\u4f1a\u5360\u7528\u8f83\u5927\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u56e0\u6b64\u9700\u8981\u5b9a\u671f\u6e05\u7406\u548c\u5f52\u6863\u5143\u6570\u636e\uff0c\u4ee5\u907f\u514d\u5b58\u50a8\u7a7a\u95f4\u7684\u6d6a\u8d39\u548c\u6027\u80fd\u7684\u4e0b\u964d\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8c03\u6574\u6570\u636e\u5e93\u7684\u53c2\u6570\u3001\u7d22\u5f15\u548c\u7f13\u5b58\u7b49\u8bbe\u7f6e\uff0c\u4ee5\u63d0\u9ad8\u5143\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u540c\u65f6\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\u548c\u670d\u52a1\uff0c\u4f8b\u5982 pgAdmin\u3001phpMyAdmin\u3001Navicat \u7b49\uff0c\u5bf9\u5143\u6570\u636e\u5e93\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u7ba1\u7406\u548c\u4f18\u5316\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u5e93\u7684\u7248\u672c\u517c\u5bb9\u6027\u3002\u7531\u4e8e Airflow \u53ef\u80fd\u4f1a\u9891\u7e41\u5730\u53d1\u5e03\u65b0\u7248\u672c\u548c\u8865\u4e01\uff0c\u56e0\u6b64\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u5e93\u548c Airflow \u7248\u672c\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u65b0\u7248\u672c\u7684 Airflow \u53ef\u80fd\u4f1a\u5f15\u5165\u65b0\u7684\u8868\u683c\u548c\u5b57\u6bb5\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528 <code>airflow db upgrade<\/code> \u547d\u4ee4\u5c06\u5143\u6570\u636e\u5e93\u5347\u7ea7\u5230\u6700\u65b0\u7248\u672c\uff0c\u624d\u80fd\u6b63\u5e38\u4f7f\u7528\u65b0\u7279\u6027\u548c\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u5e93\u7684\u5b89\u5168\u6027\u548c\u6743\u9650\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u63d0\u4f9b\u7684\u8eab\u4efd\u9a8c\u8bc1\u548c\u6388\u6743\u673a\u5236\uff0c\u9650\u5236\u7528\u6237\u548c\u7ec4\u5bf9\u5143\u6570\u636e\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u6743\u9650\uff0c\u4ee5\u53ca\u4f7f\u7528\u52a0\u5bc6\u548c\u8ba4\u8bc1\u673a\u5236\uff0c\u4fdd\u62a4\u5143\u6570\u636e\u7684\u5b89\u5168\u6027\u3002\u540c\u65f6\uff0c\u4e5f\u9700\u8981\u907f\u514d\u5c06\u654f\u611f\u4fe1\u606f\u5b58\u50a8\u5728\u5143\u6570\u636e\u4e2d\uff0c\u4f8b\u5982\u5bc6\u7801\u3001API \u5bc6\u94a5\u7b49\uff0c\u4ee5\u907f\u514d\u5b89\u5168\u98ce\u9669\u3002<\/li>\n\n\n\n<li>\u5728\u4f7f\u7528 Airflow \u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5143\u6570\u636e\u5e93\u7684\u53ef\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u3001\u96c6\u7fa4\u6280\u672f\u3001\u7f13\u5b58\u6280\u672f\u7b49\uff0c\u63d0\u9ad8\u5143\u6570\u636e\u5e93\u7684\u53ef\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u3002\u540c\u65f6\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5bb9\u5668\u5316\u6280\u672f\u548c\u4e91\u539f\u751f\u6280\u672f\uff0c\u6784\u5efa\u5f39\u6027\u548c\u53ef\u9760\u7684 Airflow \u73af\u5883\uff0c\u4ee5\u5e94\u5bf9\u4e0d\u540c\u89c4\u6a21\u548c\u9700\u6c42\u7684\u4efb\u52a1\u548c\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u603b\u4e4b\uff0c\u914d\u7f6e Airflow \u5143\u6570\u636e\u5e93\u662f\u4f7f\u7528 Airflow \u7684\u91cd\u8981\u6b65\u9aa4\u4e4b\u4e00\uff0c\u5fc5\u987b\u8ba4\u771f\u5bf9\u5f85\u3002\u5728\u914d\u7f6e\u548c\u7ba1\u7406\u5143\u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u8fde\u63a5\u4fe1\u606f\u3001\u5b89\u5168\u6027\u3001\u5907\u4efd\u548c\u6062\u590d\u3001\u6027\u80fd\u548c\u4f18\u5316\u3001\u7248\u672c\u517c\u5bb9\u6027\u3001\u6743\u9650\u7ba1\u7406\u3001\u53ef\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u7b49\u65b9\u9762\u7684\u95ee\u9898\uff0c\u4ee5\u786e\u4fdd\u5143\u6570\u636e\u7684\u6b63\u5e38\u8fd0\u884c\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u5b89\u88c5\u4e0e\u914d\u7f6e\u521d\u59cb\u5316Airflow\u6570\u636e\u5e93<\/p>\n\n\n\n<p>\u5728\u5b89\u88c5\u597d Airflow \u540e\uff0c\u9700\u8981\u521d\u59cb\u5316 Airflow \u7684\u6570\u636e\u5e93\uff0c\u4ee5\u4fbf Airflow \u53ef\u4ee5\u5b58\u50a8\u548c\u7ba1\u7406 DAG\u3001\u4efb\u52a1\u3001\u65e5\u5fd7\u7b49\u5143\u6570\u636e\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u754c\u9762 \u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u754c\u9762\uff0c\u786e\u4fdd\u53ef\u4ee5\u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/li>\n\n\n\n<li>\u8fdb\u5165 Airflow \u5b89\u88c5\u76ee\u5f55 \u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u4e2d\u8fdb\u5165 Airflow \u5b89\u88c5\u76ee\u5f55\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>cd \/home\/user\/airflow\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d <code>\/home\/user\/airflow<\/code> \u4e3a Airflow \u7684\u5b89\u88c5\u76ee\u5f55\uff0c\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u66ff\u6362\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93 \u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>airflow db init\n<\/code><\/pre>\n\n\n\n<p>\u8be5\u547d\u4ee4\u5c06\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u5fc5\u8981\u7684\u8868\u683c\u548c\u7d22\u5f15\uff0c\u4ee5\u5b58\u50a8 DAG\u3001\u4efb\u52a1\u3001\u65e5\u5fd7\u7b49\u5143\u6570\u636e\u4fe1\u606f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u521b\u5efa Airflow \u7528\u6237 \u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u521b\u5efa Airflow \u7528\u6237\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>airflow users create \\\n    --username admin \\\n    --password admin \\\n    --firstname John \\\n    --lastname Doe \\\n    --role Admin \\\n    --email admin@example.com\n<\/code><\/pre>\n\n\n\n<p>\u8be5\u547d\u4ee4\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>admin<\/code> \u7684\u7528\u6237\uff0c\u7528\u6237\u540d\u4e3a <code>admin<\/code>\uff0c\u5bc6\u7801\u4e3a <code>admin<\/code>\uff0c\u59d3\u540d\u4e3a <code>John Doe<\/code>\uff0c\u89d2\u8272\u4e3a <code>Admin<\/code>\uff0c\u7535\u5b50\u90ae\u4ef6\u4e3a <code>admin@example.com<\/code>\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5fc5\u987b\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u548c\u914d\u7f6e\u597d\u4e86\u6240\u9700\u7684\u4f9d\u8d56\u548c\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u5728\u521b\u5efa Airflow \u7528\u6237\u65f6\uff0c\u5fc5\u987b\u4f7f\u7528\u5f3a\u5bc6\u7801\u548c\u5b89\u5168\u7684\u7528\u6237\u540d\uff0c\u4ee5\u907f\u514d\u5b89\u5168\u98ce\u9669\u3002<\/li>\n\n\n\n<li>\u5728\u521b\u5efa Airflow \u7528\u6237\u65f6\uff0c\u5fc5\u987b\u8c28\u614e\u5206\u914d\u89d2\u8272\u548c\u6743\u9650\uff0c\u4ee5\u907f\u514d\u8bef\u64cd\u4f5c\u548c\u6743\u9650\u6ee5\u7528\u3002<\/li>\n\n\n\n<li>\u5728\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93\u4e4b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u9ed8\u8ba4\u7684\u793a\u4f8b DAG\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>airflow dags example --save example_dags\n<\/code><\/pre>\n\n\n\n<p>\u8be5\u547d\u4ee4\u5c06\u521b\u5efa\u4e00\u4e9b\u7b80\u5355\u7684\u793a\u4f8b DAG\uff0c\u5e76\u4fdd\u5b58\u5728 <code>~\/airflow\/example_dags<\/code> \u76ee\u5f55\u4e0b\u3002\u8fd9\u4e9b\u793a\u4f8b DAG \u53ef\u4ee5\u7528\u4e8e\u6d4b\u8bd5\u548c\u5b66\u4e60\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728\u5b89\u88c5\u548c\u914d\u7f6e\u597d Airflow \u540e\uff0c\u9700\u8981\u901a\u8fc7\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93\u6765\u5efa\u7acb\u5143\u6570\u636e\u5b58\u50a8\u7ed3\u6784\uff0c\u5e76\u521b\u5efa\u9ed8\u8ba4\u7684\u7ba1\u7406\u5458\u7528\u6237\uff0c\u4ee5\u4fbf\u540e\u7eed\u7684 DAG\u3001\u4efb\u52a1\u548c\u8c03\u5ea6\u7b49\u64cd\u4f5c\u3002\u5728\u521d\u59cb\u5316 Airflow \u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4f9d\u8d56\u548c\u73af\u5883\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3001\u89d2\u8272\u548c\u6743\u9650\u7b49\u95ee\u9898\uff0c\u4ee5\u786e\u4fdd Airflow \u6570\u636e\u5e93\u7684\u6b63\u5e38\u8fd0\u884c\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u57fa\u672c\u6982\u5ff5DAG (Directed Acyclic Graph)<\/p>\n\n\n\n<p>DAG \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u662f\u6307\u6709\u5411\u65e0\u73af\u56fe (Directed Acyclic Graph)\u3002DAG \u662f\u7528\u4e8e\u63cf\u8ff0\u4e00\u7ec4\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u6307\u5b9a\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u7684\u6570\u636e\u7ed3\u6784\u3002\u5728 Airflow \u4e2d\uff0c\u6bcf\u4e2a DAG \u90fd\u7531\u4e00\u7ec4\u6709\u5411\u8fb9\u548c\u9876\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u9876\u70b9\u8868\u793a\u4e00\u4e2a\u4efb\u52a1\uff0c\u6bcf\u6761\u6709\u5411\u8fb9\u8868\u793a\u4e00\u4e2a\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002DAG \u4e2d\u7684\u6bcf\u4e2a\u4efb\u52a1\u90fd\u9700\u8981\u6307\u5b9a\u5176\u6267\u884c\u65f6\u95f4\u3001\u6267\u884c\u5668\u3001\u4efb\u52a1\u53c2\u6570\u3001\u4efb\u52a1\u64cd\u4f5c\u7b26\u7b49\u5c5e\u6027\u3002\u4e0b\u9762\u662f DAG \u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6709\u5411\u65e0\u73af\u56fe DAG \u662f\u4e00\u79cd\u6709\u5411\u65e0\u73af\u56fe\uff0c\u8868\u793a\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u5728 DAG \u4e2d\uff0c\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u53ea\u80fd\u662f\u6709\u5411\u7684\uff0c\u5373\u4e00\u4e2a\u4efb\u52a1\u53ea\u80fd\u4f9d\u8d56\u4e8e\u5176\u5b83\u4efb\u52a1\uff0c\u4e0d\u80fd\u51fa\u73b0\u5faa\u73af\u4f9d\u8d56\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1 DAG \u4e2d\u7684\u6bcf\u4e2a\u9876\u70b9\u90fd\u8868\u793a\u4e00\u4e2a\u4efb\u52a1\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u53ef\u6267\u884c\u7684 Python \u51fd\u6570\u6216\u5916\u90e8\u547d\u4ee4\uff0c\u4f8b\u5982 Bash \u547d\u4ee4\u3001Python \u811a\u672c\u3001SQL \u67e5\u8be2\u7b49\u3002<\/li>\n\n\n\n<li>\u4f9d\u8d56\u5173\u7cfb DAG \u4e2d\u7684\u6bcf\u6761\u6709\u5411\u8fb9\u8868\u793a\u4e00\u4e2a\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5373\u4e00\u4e2a\u4efb\u52a1\u9700\u8981\u5728\u5176\u5b83\u4efb\u52a1\u6267\u884c\u5b8c\u6bd5\u540e\u624d\u80fd\u5f00\u59cb\u6267\u884c\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u64cd\u4f5c\u7b26\u6765\u8868\u793a\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4f8b\u5982 BashOperator\u3001PythonOperator\u3001SqlOperator \u7b49\u3002<\/li>\n\n\n\n<li>\u65f6\u95f4\u8c03\u5ea6 DAG \u4e2d\u7684\u6bcf\u4e2a\u4efb\u52a1\u90fd\u9700\u8981\u6307\u5b9a\u5176\u6267\u884c\u65f6\u95f4\u548c\u8c03\u5ea6\u89c4\u5219\uff0c\u4f8b\u5982\u6bcf\u5929\u5b9a\u65f6\u6267\u884c\u3001\u6bcf\u5468\u5b9a\u65f6\u6267\u884c\u7b49\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8c03\u5ea6\u5668\u6765\u81ea\u52a8\u6267\u884c DAG \u4e2d\u7684\u4efb\u52a1\uff0c\u6839\u636e\u4efb\u52a1\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u8c03\u5ea6\u89c4\u5219\uff0c\u81ea\u52a8\u8ba1\u7b97\u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4\u548c\u987a\u5e8f\u3002<\/li>\n\n\n\n<li>\u53c2\u6570\u548c\u53d8\u91cf DAG \u4e2d\u7684\u6bcf\u4e2a\u4efb\u52a1\u90fd\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u4f8b\u5982\u6267\u884c\u65f6\u95f4\u3001\u6267\u884c\u5668\u3001\u91cd\u8bd5\u6b21\u6570\u3001\u8d85\u65f6\u65f6\u95f4\u7b49\u3002\u8fd9\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u4efb\u52a1\u7684\u884c\u4e3a\u548c\u7ed3\u679c\uff0c\u4f8b\u5982\u8bbe\u7f6e\u4efb\u52a1\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u907f\u514d\u4efb\u52a1\u8fd0\u884c\u65f6\u95f4\u8fc7\u957f\u800c\u5f71\u54cd\u6574\u4e2a DAG \u7684\u6267\u884c\u6548\u7387\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cDAG \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u6982\u5ff5\uff0c\u7528\u4e8e\u63cf\u8ff0\u4e00\u7ec4\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u6307\u5b9a\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u548c\u8c03\u5ea6\u89c4\u5219\u3002\u5728 DAG \u4e2d\uff0c\u6bcf\u4e2a\u4efb\u52a1\u90fd\u9700\u8981\u6307\u5b9a\u5176\u6267\u884c\u65f6\u95f4\u3001\u6267\u884c\u5668\u3001\u4efb\u52a1\u53c2\u6570\u3001\u4efb\u52a1\u64cd\u4f5c\u7b26\u7b49\u5c5e\u6027\u3002\u901a\u8fc7\u4f7f\u7528 DAG\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u4efb\u52a1\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u8c03\u5ea6\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u57fa\u672c\u6982\u5ff5Task<\/p>\n\n\n\n<p>Task \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u662f\u6307 DAG \u4e2d\u7684\u4e00\u4e2a\u8282\u70b9\uff0c\u4ee3\u8868\u4e00\u4e2a\u53ef\u6267\u884c\u7684\u4efb\u52a1\u3002\u5728 Airflow \u4e2d\uff0c\u6bcf\u4e2a Task \u90fd\u662f\u4e00\u4e2a Python callable \u6216\u5916\u90e8\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u4f8b\u5982 Bash \u547d\u4ee4\u3001Python \u811a\u672c\u3001SQL \u67e5\u8be2\u7b49\u3002Task \u662f DAG \u4e2d\u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u7528\u4e8e\u63cf\u8ff0\u4efb\u52a1\u7684\u884c\u4e3a\u548c\u5c5e\u6027\u3002\u4e0b\u9762\u662f Task \u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53ef\u6267\u884c\u4efb\u52a1 Task \u662f\u4e00\u4e2a\u53ef\u6267\u884c\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u53ef\u6267\u884c\u7684 Python callable \u6216\u5916\u90e8\u53ef\u6267\u884c\u7a0b\u5e8f\u3002\u5728 Airflow \u4e2d\uff0c\u6bcf\u4e2a Task \u90fd\u5fc5\u987b\u6307\u5b9a\u5176\u6267\u884c\u5185\u5bb9\u548c\u76f8\u5173\u7684\u53c2\u6570\u548c\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>DAG \u4e2d\u7684\u8282\u70b9 Task \u662f DAG \u4e2d\u7684\u4e00\u4e2a\u8282\u70b9\uff0c\u4ee3\u8868 DAG \u4e2d\u7684\u4e00\u4e2a\u6267\u884c\u5355\u5143\u3002\u5728 DAG \u4e2d\uff0c\u6bcf\u4e2a Task \u90fd\u53ef\u4ee5\u4f9d\u8d56\u4e8e\u5176\u5b83 Task\uff0c\u4e5f\u53ef\u4ee5\u88ab\u5176\u5b83 Task \u6240\u4f9d\u8d56\u3002<\/li>\n\n\n\n<li>\u64cd\u4f5c\u7b26 Task \u53ef\u4ee5\u4f7f\u7528\u64cd\u4f5c\u7b26\u6765\u63cf\u8ff0\u5176\u6267\u884c\u5185\u5bb9\u548c\u884c\u4e3a\u3002\u5728 Airflow \u4e2d\uff0c\u6709\u591a\u79cd\u64cd\u4f5c\u7b26\u53ef\u4f9b\u9009\u62e9\uff0c\u4f8b\u5982 BashOperator\u3001PythonOperator\u3001SqlOperator \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4efb\u52a1\u9700\u6c42\u6765\u9009\u62e9\u4e0d\u540c\u7684\u64cd\u4f5c\u7b26\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u72b6\u6001 Task \u6709\u591a\u79cd\u72b6\u6001\uff0c\u4f8b\u5982\u6210\u529f\u3001\u5931\u8d25\u3001\u8fd0\u884c\u4e2d\u3001\u7b49\u5f85\u7b49\uff0c\u53ef\u4ee5\u901a\u8fc7 Airflow \u7684 UI \u6216 API \u6765\u67e5\u770b\u4efb\u52a1\u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002\u4efb\u52a1\u72b6\u6001\u7684\u6539\u53d8\u53ef\u4ee5\u89e6\u53d1\u4efb\u52a1\u72b6\u6001\u56de\u8c03\u548c DAG \u72b6\u6001\u56de\u8c03\uff0c\u4ee5\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u53c2\u6570 Task \u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u4f8b\u5982\u91cd\u8bd5\u6b21\u6570\u3001\u8d85\u65f6\u65f6\u95f4\u3001\u961f\u5217\u540d\u7b49\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u4efb\u52a1\u7684\u884c\u4e3a\u548c\u7ed3\u679c\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5411 Task \u4f20\u9012\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u6765\u63a7\u5236\u4efb\u52a1\u7684\u884c\u4e3a\u548c\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u65e5\u5fd7\u548c\u76d1\u63a7 Task \u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u751f\u6210\u76f8\u5e94\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u7684 UI \u6216 API \u6765\u67e5\u770b\u4efb\u52a1\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u4ee5\u53ca\u8fdb\u884c\u4efb\u52a1\u7684\u8c03\u8bd5\u548c\u6392\u67e5\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cTask \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u7528\u4e8e\u63cf\u8ff0 DAG \u4e2d\u7684\u4e00\u4e2a\u53ef\u6267\u884c\u4efb\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u64cd\u4f5c\u7b26\u6765\u63cf\u8ff0\u5176\u6267\u884c\u5185\u5bb9\u548c\u884c\u4e3a\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u53ef\u4ee5\u751f\u6210\u76f8\u5e94\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528 Task\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 DAG \u4e2d\u7684\u4efb\u52a1\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u57fa\u672c\u6982\u5ff5Operator<\/p>\n\n\n\n<p>Operator \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u662f Task \u7684\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\uff0c\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u6216\u4efb\u52a1\u3002Operator \u53ef\u4ee5\u662f\u4e00\u4e2a Python callable \u6216\u5916\u90e8\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u4f8b\u5982 Bash \u547d\u4ee4\u3001Python \u811a\u672c\u3001SQL \u67e5\u8be2\u7b49\u3002\u5728 Airflow \u4e2d\uff0cOperator \u53ef\u4ee5\u7528\u4e8e\u63cf\u8ff0\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u6267\u884c\u987a\u5e8f\u3002\u4e0b\u9762\u662f Operator \u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53ef\u6267\u884c\u64cd\u4f5c Operator \u662f\u4e00\u4e2a\u53ef\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u53ef\u6267\u884c\u7684 Python callable \u6216\u5916\u90e8\u53ef\u6267\u884c\u7a0b\u5e8f\u3002\u5728 Airflow \u4e2d\uff0c\u6bcf\u4e2a Operator \u90fd\u5fc5\u987b\u6307\u5b9a\u5176\u6267\u884c\u5185\u5bb9\u548c\u76f8\u5173\u7684\u53c2\u6570\u548c\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u8282\u70b9 Operator \u662f Task \u7684\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\uff0c\u7528\u4e8e\u63cf\u8ff0\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u6267\u884c\u987a\u5e8f\u3002\u5728 DAG \u4e2d\uff0c\u6bcf\u4e2a Operator \u90fd\u53ef\u4ee5\u4f9d\u8d56\u4e8e\u5176\u5b83 Operator\uff0c\u4e5f\u53ef\u4ee5\u88ab\u5176\u5b83 Operator \u6240\u4f9d\u8d56\u3002<\/li>\n\n\n\n<li>\u9884\u5b9a\u4e49\u64cd\u4f5c\u7b26 Airflow \u4e2d\u6709\u591a\u79cd\u9884\u5b9a\u4e49\u7684 Operator\uff0c\u4f8b\u5982 BashOperator\u3001PythonOperator\u3001SqlOperator \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4efb\u52a1\u9700\u6c42\u6765\u9009\u62e9\u4e0d\u540c\u7684\u64cd\u4f5c\u7b26\u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49\u64cd\u4f5c\u7b26 \u9664\u4e86\u4f7f\u7528\u9884\u5b9a\u4e49\u7684\u64cd\u4f5c\u7b26\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u81ea\u5b9a\u4e49 Operator\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u4efb\u52a1\u9700\u6c42\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u7ee7\u627f BaseOperator \u7c7b\uff0c\u7f16\u5199\u81ea\u5b9a\u4e49\u7684 Operator\uff0c\u5b9e\u73b0\u81ea\u5df1\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u53c2\u6570\u548c\u53d8\u91cf Operator \u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u4f8b\u5982\u91cd\u8bd5\u6b21\u6570\u3001\u8d85\u65f6\u65f6\u95f4\u3001\u961f\u5217\u540d\u7b49\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u64cd\u4f5c\u7684\u884c\u4e3a\u548c\u7ed3\u679c\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5411 Operator \u4f20\u9012\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u6765\u63a7\u5236\u64cd\u4f5c\u7684\u884c\u4e3a\u548c\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u65e5\u5fd7\u548c\u76d1\u63a7 Operator \u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u751f\u6210\u76f8\u5e94\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u7684 UI \u6216 API \u6765\u67e5\u770b Operator \u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u4ee5\u53ca\u8fdb\u884c\u64cd\u4f5c\u7684\u8c03\u8bd5\u548c\u6392\u67e5\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cOperator \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u6216\u4efb\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u9884\u5b9a\u4e49\u7684\u64cd\u4f5c\u7b26\u6216\u81ea\u5b9a\u4e49 Operator\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u53ef\u4ee5\u751f\u6210\u76f8\u5e94\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528 Operator\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 DAG \u4e2d\u7684\u4efb\u52a1\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u57fa\u672c\u6982\u5ff5TaskInstance<\/p>\n\n\n\n<p>TaskInstance \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u662f Task \u5728 DAG \u4e2d\u7684\u4e00\u6b21\u5177\u4f53\u6267\u884c\u5b9e\u4f8b\u3002\u6bcf\u4e2a Task \u53ef\u80fd\u5728 DAG \u7684\u591a\u4e2a\u6267\u884c\u5468\u671f\u4e2d\u90fd\u4f1a\u88ab\u6267\u884c\uff0c\u800c TaskInstance \u5219\u4ee3\u8868\u4e86 Task \u5728\u5177\u4f53\u7684\u67d0\u4e00\u6b21\u6267\u884c\u4e2d\u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002\u4e0b\u9762\u662f TaskInstance \u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>TaskInstance TaskInstance \u662f Task \u5728 DAG \u4e2d\u7684\u4e00\u6b21\u5177\u4f53\u6267\u884c\u5b9e\u4f8b\uff0c\u5b83\u4ee3\u8868\u4e86 Task \u5728\u67d0\u4e2a\u5177\u4f53\u6267\u884c\u5468\u671f\u4e2d\u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002\u6bcf\u4e2a Task \u5728 DAG \u4e2d\u53ef\u80fd\u6709\u591a\u4e2a TaskInstance\uff0c\u5206\u522b\u4ee3\u8868\u4e86 Task \u5728\u4e0d\u540c\u7684\u6267\u884c\u5468\u671f\u4e2d\u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u6267\u884c\u72b6\u6001 TaskInstance \u6709\u591a\u79cd\u6267\u884c\u72b6\u6001\uff0c\u4f8b\u5982\u6210\u529f\u3001\u5931\u8d25\u3001\u8fd0\u884c\u4e2d\u3001\u7b49\u5f85\u7b49\uff0c\u53ef\u4ee5\u901a\u8fc7 Airflow \u7684 UI \u6216 API \u6765\u67e5\u770b TaskInstance \u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u53c2\u6570 TaskInstance \u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u4f8b\u5982\u91cd\u8bd5\u6b21\u6570\u3001\u8d85\u65f6\u65f6\u95f4\u3001\u961f\u5217\u540d\u7b49\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u4efb\u52a1\u7684\u884c\u4e3a\u548c\u7ed3\u679c\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5411 TaskInstance \u4f20\u9012\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u6765\u63a7\u5236\u4efb\u52a1\u7684\u884c\u4e3a\u548c\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u65e5\u5fd7\u548c\u76d1\u63a7 TaskInstance \u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u751f\u6210\u76f8\u5e94\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u7684 UI \u6216 API \u6765\u67e5\u770b TaskInstance \u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u4ee5\u53ca\u8fdb\u884c\u4efb\u52a1\u7684\u8c03\u8bd5\u548c\u6392\u67e5\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u4f9d\u8d56 TaskInstance \u53ef\u4ee5\u4f9d\u8d56\u4e8e\u5176\u5b83 TaskInstance\uff0c\u5373\u524d\u7f6e TaskInstance \u6267\u884c\u6210\u529f\u540e\uff0c\u624d\u80fd\u6267\u884c\u5f53\u524d TaskInstance\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f9d\u8d56\u89c4\u5219\u6765\u63cf\u8ff0 TaskInstance \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cTaskInstance \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u7528\u4e8e\u8868\u793a Task \u5728 DAG \u4e2d\u7684\u4e00\u6b21\u5177\u4f53\u6267\u884c\u5b9e\u4f8b\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\u548c\u53d8\u91cf\uff0c\u53ef\u4ee5\u751f\u6210\u76f8\u5e94\u7684\u65e5\u5fd7\u548c\u76d1\u63a7\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f9d\u8d56\u4e8e\u5176\u5b83 TaskInstance\u3002\u901a\u8fc7\u4f7f\u7528 TaskInstance\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 DAG \u4e2d\u7684\u4efb\u52a1\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u57fa\u672c\u6982\u5ff5Executor<\/p>\n\n\n\n<p>Executor \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u662f\u8d1f\u8d23\u6267\u884c TaskInstance \u7684\u7ec4\u4ef6\u3002Airflow \u4e2d\u652f\u6301\u591a\u79cd Executor\uff0c\u4f8b\u5982 LocalExecutor\u3001SequentialExecutor\u3001CeleryExecutor\u3001DaskExecutor \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684 Executor\u3002\u4e0b\u9762\u662f Executor \u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6267\u884c TaskInstance Executor \u8d1f\u8d23\u6267\u884c TaskInstance\uff0c\u5373\u6309\u7167\u6307\u5b9a\u7684\u8c03\u5ea6\u89c4\u5219\uff0c\u6267\u884c DAG \u4e2d\u7684 Task\u3002Executor \u6839\u636e DAG \u4e2d\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u81ea\u52a8\u8ba1\u7b97\u4efb\u52a1\u7684\u6267\u884c\u987a\u5e8f\u548c\u65f6\u95f4\u3002<\/li>\n\n\n\n<li>\u591a\u79cd Executor Airflow \u4e2d\u652f\u6301\u591a\u79cd Executor\uff0c\u4f8b\u5982 LocalExecutor\u3001SequentialExecutor\u3001CeleryExecutor\u3001DaskExecutor \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684 Executor\u3002<\/li>\n\n\n\n<li>\u5e76\u53d1\u6027 Executor \u652f\u6301\u5e76\u53d1\u6267\u884c\u591a\u4e2a TaskInstance\uff0c\u4ee5\u63d0\u9ad8\u4efb\u52a1\u7684\u6267\u884c\u6548\u7387\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5e76\u53d1\u6570\uff0c\u6765\u63a7\u5236 Executor \u7684\u5e76\u53d1\u6027\u3002<\/li>\n\n\n\n<li>\u8d44\u6e90\u8c03\u5ea6 Executor \u9700\u8981\u6839\u636e\u4efb\u52a1\u7684\u8c03\u5ea6\u89c4\u5219\u548c\u5e76\u53d1\u6570\uff0c\u6765\u5408\u7406\u5730\u5206\u914d\u548c\u5229\u7528\u8d44\u6e90\uff0c\u4f8b\u5982 CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u7edc\u7b49\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u8d44\u6e90\u9650\u5236\u548c\u961f\u5217\u7ba1\u7406\uff0c\u6765\u63a7\u5236 Executor \u7684\u8d44\u6e90\u8c03\u5ea6\u3002<\/li>\n\n\n\n<li>\u72b6\u6001\u7ba1\u7406 Executor \u8d1f\u8d23\u7ef4\u62a4 TaskInstance \u7684\u6267\u884c\u72b6\u6001\u548c\u7ed3\u679c\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u6267\u884c\u5b8c\u6210\u540e\uff0c\u5c06\u6267\u884c\u72b6\u6001\u548c\u7ed3\u679c\u5199\u5165\u5143\u6570\u636e\u5e93\uff0c\u4f9b\u540e\u7eed\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u7ba1\u7406\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cExecutor \u662f Airflow \u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u7528\u4e8e\u6267\u884c TaskInstance\uff0c\u652f\u6301\u591a\u79cd Executor\uff0c\u652f\u6301\u5e76\u53d1\u6267\u884c\u591a\u4e2a TaskInstance\uff0c\u9700\u8981\u5408\u7406\u5730\u5206\u914d\u548c\u5229\u7528\u8d44\u6e90\uff0c\u8d1f\u8d23\u7ef4\u62a4 TaskInstance \u7684\u6267\u884c\u72b6\u6001\u548c\u7ed3\u679c\u3002\u901a\u8fc7\u4f7f\u7528 Executor\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 DAG \u4e2d\u7684\u4efb\u52a1\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7f16\u5199\u60a8\u7684\u7b2c\u4e00\u4e2aAirflow DAG\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684DAG<\/p>\n\n\n\n<p>\u7f16\u5199\u7b2c\u4e00\u4e2a Airflow DAG\uff0c\u901a\u5e38\u53ef\u4ee5\u4ece\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 DAG \u5f00\u59cb\u3002\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 DAG\uff0c\u4ee5\u6f14\u793a Airflow DAG \u7684\u57fa\u672c\u7ed3\u6784\u548c\u8bed\u6cd5\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728 Airflow \u7684 DAG \u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a Python \u811a\u672c\uff0c\u547d\u540d\u4e3a <code>my_first_dag.py<\/code>\uff0c\u7136\u540e\u5728\u811a\u672c\u4e2d\u5f15\u5165\u5fc5\u8981\u7684\u6a21\u5757\u548c\u5e93\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime, timedelta\n<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49 DAG \u7684\u4e00\u4e9b\u57fa\u672c\u5c5e\u6027\uff0c\u4f8b\u5982 DAG \u7684\u540d\u79f0\u3001\u5f00\u59cb\u65f6\u95f4\u3001\u8c03\u5ea6\u95f4\u9694\u7b49\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>default_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_first_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86 DAG \u7684\u4e00\u4e9b\u57fa\u672c\u5c5e\u6027\uff0c\u4f8b\u5982 DAG \u7684\u540d\u79f0\u4e3a <code>my_first_dag<\/code>\uff0c\u5f00\u59cb\u65f6\u95f4\u4e3a <code>datetime(2023, 1, 1)<\/code>\uff0c\u8c03\u5ea6\u95f4\u9694\u4e3a\u6bcf\u5929\u4e00\u6b21\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e9b\u9ed8\u8ba4\u53c2\u6570\uff0c\u4f8b\u5982\u4efb\u52a1\u91cd\u8bd5\u6b21\u6570\u3001\u91cd\u8bd5\u95f4\u9694\u65f6\u95f4\u7b49\u3002\u8fd9\u4e9b\u9ed8\u8ba4\u53c2\u6570\u5c06\u5e94\u7528\u4e8e DAG \u4e2d\u7684\u6240\u6709 Task\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49 DAG \u4e2d\u7684 Task\uff0c\u4f8b\u5982\u4f7f\u7528 BashOperator \u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task1 = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world!\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>print_hello<\/code> \u7684 Task\uff0c\u4f7f\u7528 BashOperator \u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684\u547d\u4ee4 <code>echo \"Hello, world!\"<\/code>\u3002\u6211\u4eec\u8fd8\u5c06\u8be5 Task \u6dfb\u52a0\u5230 DAG \u4e2d\uff0c\u4ee5\u4fbf\u5b83\u53ef\u4ee5\u88ab\u8c03\u5ea6\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49 Task \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ea\u6709\u4e00\u4e2a Task\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u5b9a\u4e49\u4f9d\u8d56\u5173\u7cfb\u3002\u4f46\u662f\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cTask \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u975e\u5e38\u91cd\u8981\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u5b9a\u4e49\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task1\n<\/code><\/pre>\n\n\n\n<p>\u5b8c\u6574\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_first_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ntask1 = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u4ee3\u7801\u4fdd\u5b58\u4e3a <code>my_first_dag.py<\/code>\uff0c\u5e76\u5c06\u5176\u653e\u7f6e\u5728 Airflow \u7684 DAG \u76ee\u5f55\u4e2d\u3002\u5f53 Airflow \u542f\u52a8\u65f6\uff0c\u5b83\u5c06\u81ea\u52a8\u68c0\u6d4b\u5230\u8be5 DAG \u5e76\u5f00\u59cb\u8c03\u5ea6\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u5728 Airflow \u7684 UI \u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b\u8be5 DAG \u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u5e94\u8be5\u4f1a\u770b\u5230 <code>print_hello<\/code> \u4efb\u52a1\u6210\u529f\u5730\u6267\u884c\u4e86 <code>echo \"Hello, world!\"<\/code> \u547d\u4ee4\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e00\u4e2a DAG\uff0c\u5e76\u5b9a\u4e49\u4e00\u4e2a Task\u3002\u5b9e\u9645\u4e0a\uff0cAirflow \u7684 DAG \u8fd8\u652f\u6301\u5f88\u591a\u5176\u5b83\u7684\u7279\u6027\uff0c\u4f8b\u5982\u66f4\u590d\u6742\u7684\u4f9d\u8d56\u5173\u7cfb\u3001\u53c2\u6570\u4f20\u9012\u3001\u53d8\u91cf\u4f7f\u7528\u3001\u4efb\u52a1\u95f4\u7684\u6570\u636e\u4f20\u9012\u7b49\u3002\u901a\u8fc7\u4e0d\u65ad\u5730\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u638c\u63e1\u66f4\u591a\u7684 Airflow \u6280\u80fd\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u7ba1\u7406\u66f4\u52a0\u590d\u6742\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7f16\u5199\u60a8\u7684\u7b2c\u4e00\u4e2aAirflow DAG\u5b9a\u4e49\u4efb\u52a1\u548c\u4f9d\u8d56\u5173\u7cfb<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cDAG \u901a\u5e38\u7531\u591a\u4e2a Task \u7ec4\u6210\uff0c\u6bcf\u4e2a Task \u90fd\u4ee3\u8868\u4e86\u4e00\u4e2a\u5177\u4f53\u7684\u64cd\u4f5c\u6216\u4efb\u52a1\u3002\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9a\u4e49 Task\uff0c\u5e76\u5b9a\u4e49\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u6bcf\u4e2a Task \u90fd\u662f\u4e00\u4e2a Operator \u5b9e\u4f8b\uff0c\u53ef\u4ee5\u662f\u9884\u5b9a\u4e49\u7684 Operator\uff0c\u4e5f\u53ef\u4ee5\u662f\u81ea\u5b9a\u4e49\u7684 Operator\u3002Operator \u901a\u5e38\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u6216\u4efb\u52a1\uff0c\u4f8b\u5982\u6267\u884c Bash \u547d\u4ee4\u3001\u6267\u884c Python \u811a\u672c\u3001\u6267\u884c SQL \u67e5\u8be2\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 BashOperator \u6765\u5b9a\u4e49\u4e00\u4e2a Task\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_first_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ntask1 = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world!\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528 BashOperator \u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>print_hello<\/code> \u7684 Task\uff0c\u4f7f\u7528 <code>echo \"Hello, world!\"<\/code> \u547d\u4ee4\u6765\u6253\u5370 &#8220;Hello, world!&#8221;\u3002\u6211\u4eec\u8fd8\u5c06\u8be5 Task \u6dfb\u52a0\u5230 DAG \u4e2d\uff0c\u4ee5\u4fbf\u5b83\u53ef\u4ee5\u88ab\u8c03\u5ea6\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u5b9a\u4e49 Task \u5916\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5b9a\u4e49 Task \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f9d\u8d56\u89c4\u5219\u6765\u5b9a\u4e49 Task \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u5982\u679c Task1 \u4f9d\u8d56\u4e8e Task2\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u5b9a\u4e49\u4f9d\u8d56\u5173\u7cfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task2 &gt;&gt; task1\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c<code>&gt;&gt;<\/code> \u8868\u793a Task1 \u4f9d\u8d56\u4e8e Task2\uff0c\u5373 Task2 \u5fc5\u987b\u5728 Task1 \u4e4b\u524d\u6267\u884c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u5b9a\u4e49\u591a\u4e2a Task\uff0c\u5e76\u5b9a\u4e49\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_first_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ntask1 = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world!\"',\n    dag=dag,\n)\n\ntask2 = BashOperator(\n    task_id='print_date',\n    bash_command='date',\n    dag=dag,\n)\n\ntask2 &gt;&gt; task1\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a Task\uff1a<code>print_hello<\/code> \u548c <code>print_date<\/code>\uff0c\u5206\u522b\u7528\u4e8e\u6253\u5370 &#8220;Hello, world!&#8221; \u548c\u5f53\u524d\u65e5\u671f\u3002\u6211\u4eec\u8fd8\u4f7f\u7528\u4f9d\u8d56\u89c4\u5219 <code>task2 &gt;&gt; task1<\/code>\uff0c\u5c06 Task1 \u7684\u4f9d\u8d56\u5173\u7cfb\u5b9a\u4e49\u4e3a Task2\u3002\u8fd9\u610f\u5473\u7740\u5728 DAG \u4e2d\uff0cTask2 \u5fc5\u987b\u5728 Task1 \u4e4b\u524d\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u5e0c\u671b Task1 \u548c Task2 \u53ef\u4ee5\u5e76\u884c\u6267\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>set_upstream<\/code> \u65b9\u6cd5\u6765\u5b9a\u4e49 Task \u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task2.set_upstream(task1)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c<code>set_upstream<\/code> \u8868\u793a Task2 \u4f9d\u8d56\u4e8e Task1\uff0c\u5373 Task1 \u5fc5\u987b\u5728 Task2 \u4e4b\u524d\u6267\u884c\u3002\u6ce8\u610f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e0e\u4e0a\u9762\u7684\u65b9\u6cd5\u662f\u7b49\u4ef7\u7684\uff0c\u53ea\u662f\u65b9\u5411\u76f8\u53cd\u800c\u5df2\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u5355\u4e2a Task \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u591a\u4e2a Task \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e09\u4e2a Task\uff1aTask1\u3001Task2 \u548c Task3\uff0cTask3 \u4f9d\u8d56\u4e8e Task1 \u548c Task2 \u7684\u6267\u884c\u7ed3\u679c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>set_upstream<\/code> \u65b9\u6cd5\u6765\u5b9a\u4e49 Task3 \u7684\u4f9d\u8d56\u5173\u7cfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task1.set_downstream(task3)\ntask2.set_downstream(task3)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c<code>set_downstream<\/code> \u8868\u793a Task3 \u4f9d\u8d56\u4e8e Task1 \u548c Task2\uff0c\u5373 Task1 \u548c Task2 \u5fc5\u987b\u5728 Task3 \u4e4b\u524d\u6267\u884c\u3002\u8fd9\u610f\u5473\u7740 Task3 \u4f1a\u7b49\u5f85 Task1 \u548c Task2 \u6267\u884c\u5b8c\u6210\u540e\u518d\u5f00\u59cb\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5b9a\u4e49 Task \u548c\u4f9d\u8d56\u5173\u7cfb\u662f Airflow DAG \u7684\u57fa\u7840\u3002\u901a\u8fc7\u5b9a\u4e49\u591a\u4e2a Task\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u9700\u6c42\u5b9a\u4e49\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u53ef\u4ee5\u6784\u5efa\u51fa\u590d\u6742\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u5b9e\u73b0\u66f4\u52a0\u4e30\u5bcc\u548c\u9ad8\u6548\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7f16\u5199\u60a8\u7684\u7b2c\u4e00\u4e2aAirflow DAG\u5728Airflow Web\u754c\u9762\u4e2d\u67e5\u770bDAG<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Web \u754c\u9762\u6765\u67e5\u770b DAG \u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728 Airflow Web \u754c\u9762\u4e2d\u67e5\u770b DAG\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd Airflow \u670d\u52a1\u5df2\u7ecf\u542f\u52a8\uff0c\u5e76\u4e14\u5df2\u7ecf\u5728 DAG \u76ee\u5f55\u4e2d\u6dfb\u52a0\u4e86\u6211\u4eec\u8981\u67e5\u770b\u7684 DAG\uff08\u5047\u8bbe\u8be5 DAG \u7684\u6587\u4ef6\u540d\u4e3a <code>my_first_dag.py<\/code>\uff09\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u6211\u4eec\u53ef\u4ee5\u5728 Airflow Web \u754c\u9762\u4e2d\u67e5\u770b\u8be5 DAG \u7684\u72b6\u6001\u548c\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u5728 Web \u754c\u9762\u4e2d\uff0c\u53ef\u4ee5\u627e\u5230\u5de6\u4fa7\u5bfc\u822a\u680f\u4e2d\u7684 <code>DAGs<\/code> \u83dc\u5355\uff0c\u5355\u51fb\u5b83\u53ef\u4ee5\u8fdb\u5165 DAG \u5217\u8868\u9875\u9762\u3002\u5728\u8be5\u9875\u9762\u4e2d\uff0c\u53ef\u4ee5\u627e\u5230\u540d\u4e3a <code>my_first_dag<\/code> \u7684 DAG\uff0c\u5355\u51fb\u5b83\u53ef\u4ee5\u8fdb\u5165 DAG \u7684\u8be6\u7ec6\u4fe1\u606f\u9875\u9762\u3002\u5728\u8be5\u9875\u9762\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b DAG \u7684\u72b6\u6001\u3001\u6267\u884c\u5386\u53f2\u3001\u4efb\u52a1\u5217\u8868\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u5176\u4e2d\uff0c<code>Graph View<\/code> \u6807\u7b7e\u9875\u7528\u4e8e\u663e\u793a DAG \u7684\u7ed3\u6784\u548c\u4f9d\u8d56\u5173\u7cfb\u3002\u5728\u8be5\u6807\u7b7e\u9875\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b DAG \u4e2d\u7684\u6240\u6709 Task\uff0c\u5e76\u4e86\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u5728\u6211\u4eec\u4e4b\u524d\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a Task\uff1a<code>print_hello<\/code> \u548c <code>print_date<\/code>\uff0c\u5e76\u5c06\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u5b9a\u4e49\u4e3a <code>task2 &gt;&gt; task1<\/code>\u3002\u5728 <code>Graph View<\/code> \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u7684 DAG \u56fe\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">rustCopy code<code>print_date -&gt; print_hello\n<\/code><\/pre>\n\n\n\n<p>\u5728\u56fe\u4e2d\uff0c\u7bad\u5934\u6307\u5411\u7684\u65b9\u5411\u8868\u793a Task \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u7bad\u5934\u4ece <code>print_date<\/code> \u6307\u5411 <code>print_hello<\/code>\uff0c\u8868\u793a <code>print_hello<\/code> \u4f9d\u8d56\u4e8e <code>print_date<\/code>\uff0c\u5373 <code>print_date<\/code> \u5fc5\u987b\u5728 <code>print_hello<\/code> \u4e4b\u524d\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u9664\u4e86 <code>Graph View<\/code>\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u5b83\u7684\u6807\u7b7e\u9875\u53ef\u4ee5\u7528\u4e8e\u67e5\u770b DAG \u7684\u72b6\u6001\u548c\u7ed3\u679c\uff0c\u4f8b\u5982 <code>Tree View<\/code>\u3001<code>Gantt Chart<\/code> \u7b49\u3002\u6bcf\u4e2a\u6807\u7b7e\u9875\u90fd\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u89c6\u56fe\u548c\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow Web \u754c\u9762\u4e2d\u67e5\u770b DAG \u7684\u72b6\u6001\u548c\u7ed3\u679c\u662f\u975e\u5e38\u65b9\u4fbf\u7684\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u53ca\u65f6\u4e86\u89e3 DAG \u7684\u6267\u884c\u60c5\u51b5\uff0c\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u5185\u7f6eOperator BashOperator<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cBashOperator \u662f\u4e00\u4e2a\u5185\u7f6e\u7684 Operator\uff0c\u7528\u4e8e\u6267\u884c Bash \u547d\u4ee4\u6216\u811a\u672c\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u7b80\u5355\u7684\u547d\u4ee4\u6216\u811a\u672c\uff0c\u4f8b\u5982\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u7684\u547d\u4ee4\u3001\u6267\u884c Python \u811a\u672c\u7b49\u3002<\/p>\n\n\n\n<p>BashOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>task_id<\/code>: Task \u7684 ID\uff0c\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002<\/li>\n\n\n\n<li><code>bash_command<\/code>: \u8981\u6267\u884c\u7684 Bash \u547d\u4ee4\u6216\u811a\u672c\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u5b57\u7b26\u4e32\u5217\u8868\u3002\u5982\u679c\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u5219\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u90fd\u5c06\u4f5c\u4e3a\u4e00\u4e2a\u5355\u72ec\u7684\u547d\u4ee4\u6267\u884c\u3002<\/li>\n\n\n\n<li><code>xcom_push<\/code>: \u662f\u5426\u5c06\u547d\u4ee4\u8f93\u51fa\u4f5c\u4e3a XCom \u4f20\u9012\u7ed9\u540e\u7eed\u4efb\u52a1\uff0c\u9ed8\u8ba4\u4e3a False\u3002<\/li>\n\n\n\n<li><code>env<\/code>: \u8981\u8bbe\u7f6e\u7684\u73af\u5883\u53d8\u91cf\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b57\u5178\u3002<\/li>\n\n\n\n<li><code>output_encoding<\/code>: \u547d\u4ee4\u8f93\u51fa\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u9ed8\u8ba4\u4e3a utf-8\u3002<\/li>\n\n\n\n<li><code>bash_exit_code<\/code>: \u5141\u8bb8\u7684\u9000\u51fa\u4ee3\u7801\u5217\u8868\uff0c\u9ed8\u8ba4\u4e3a [0]\u3002<\/li>\n\n\n\n<li><code>dag<\/code>: \u6240\u5c5e\u7684 DAG\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 BashOperator \u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684 Bash \u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ntask = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world!\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528 BashOperator \u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>print_hello<\/code> \u7684 Task\uff0c\u4f7f\u7528 <code>echo \"Hello, world!\"<\/code> \u547d\u4ee4\u6765\u6253\u5370 &#8220;Hello, world!&#8221;\u3002\u6211\u4eec\u8fd8\u5c06\u8be5 Task \u6dfb\u52a0\u5230 DAG \u4e2d\uff0c\u4ee5\u4fbf\u5b83\u53ef\u4ee5\u88ab\u8c03\u5ea6\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u5728\u6267\u884c\u65f6\uff0cBashOperator \u5c06\u5728\u7cfb\u7edf\u7ec8\u7aef\u4e2d\u6267\u884c <code>echo \"Hello, world!\"<\/code> \u547d\u4ee4\uff0c\u5e76\u5c06\u547d\u4ee4\u7684\u8f93\u51fa\u4f5c\u4e3a Task \u7684\u7ed3\u679c\u8fd4\u56de\u3002\u5982\u679c\u9700\u8981\u5c06\u547d\u4ee4\u8f93\u51fa\u4f20\u9012\u7ed9\u540e\u7eed\u4efb\u52a1\uff0c\u53ef\u4ee5\u8bbe\u7f6e <code>xcom_push<\/code> \u53c2\u6570\u4e3a True\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world!\"',\n    xcom_push=True,\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u8bbe\u7f6e\u4e86 <code>xcom_push=True<\/code>\uff0c\u8868\u793a\u5c06\u547d\u4ee4\u8f93\u51fa\u4f5c\u4e3a XCom \u4f20\u9012\u7ed9\u540e\u7eed\u4efb\u52a1\u3002\u540e\u7eed\u4efb\u52a1\u53ef\u4ee5\u4f7f\u7528 <code>{{ ti.xcom_pull(task_ids='print_hello') }}<\/code> \u6765\u83b7\u53d6\u8be5\u8f93\u51fa\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cBashOperator \u662f Airflow \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5185\u7f6e Operator\uff0c\u53ef\u4ee5\u7528\u4e8e\u6267\u884c\u5404\u79cd Bash \u547d\u4ee4\u548c\u811a\u672c\uff0c\u5e76\u5c06\u547d\u4ee4\u8f93\u51fa\u4f20\u9012\u7ed9\u540e\u7eed\u4efb\u52a1\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528 BashOperator\uff0c<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u53ef\u4ee5\u8f7b\u677e\u5730\u6784\u5efa\u51fa\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u5de5\u4f5c\u6d41\u7a0b\uff0c\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u548c\u6570\u636e\u5904\u7406\u8d28\u91cf\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u5185\u7f6eOperator PythonOperator<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cPythonOperator \u662f\u4e00\u4e2a\u5185\u7f6e\u7684 Operator\uff0c\u7528\u4e8e\u6267\u884c Python \u51fd\u6570\u3002\u4e0e BashOperator \u4e0d\u540c\uff0cPythonOperator \u53ef\u4ee5\u76f4\u63a5\u8c03\u7528 Python \u51fd\u6570\uff0c\u800c\u4e0d\u9700\u8981\u901a\u8fc7\u7ec8\u7aef\u6267\u884c\u3002<\/p>\n\n\n\n<p>PythonOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>task_id<\/code>: Task \u7684 ID\uff0c\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002<\/li>\n\n\n\n<li><code>python_callable<\/code>: \u8981\u6267\u884c\u7684 Python \u51fd\u6570\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u51fd\u6570\u3001\u65b9\u6cd5\u3001\u53ef\u8c03\u7528\u5bf9\u8c61\u6216\u8def\u5f84\u5b57\u7b26\u4e32\u3002\u5982\u679c\u662f\u4e00\u4e2a\u8def\u5f84\u5b57\u7b26\u4e32\uff0c\u5219\u5c06\u6839\u636e\u8be5\u8def\u5f84\u5bfc\u5165\u5e76\u6267\u884c\u51fd\u6570\u3002<\/li>\n\n\n\n<li><code>op_args<\/code>: Python \u51fd\u6570\u7684\u4f4d\u7f6e\u53c2\u6570\uff0c\u4ee5\u5217\u8868\u5f62\u5f0f\u63d0\u4f9b\u3002<\/li>\n\n\n\n<li><code>op_kwargs<\/code>: Python \u51fd\u6570\u7684\u5173\u952e\u5b57\u53c2\u6570\uff0c\u4ee5\u5b57\u5178\u5f62\u5f0f\u63d0\u4f9b\u3002<\/li>\n\n\n\n<li><code>provide_context<\/code>: \u662f\u5426\u5c06\u4efb\u52a1\u4e0a\u4e0b\u6587\u4f5c\u4e3a\u989d\u5916\u53c2\u6570\u4f20\u9012\u7ed9 Python \u51fd\u6570\uff0c\u9ed8\u8ba4\u4e3a False\u3002<\/li>\n\n\n\n<li><code>templates_dict<\/code>: \u53ef\u7528\u4e8e\u6e32\u67d3 Python \u51fd\u6570\u4e2d\u7684\u6a21\u677f\u5b57\u7b26\u4e32\u7684\u6a21\u677f\u5b57\u5178\u3002<\/li>\n\n\n\n<li><code>templates_exts<\/code>: \u7528\u4e8e\u6a21\u677f\u6e32\u67d3\u7684\u6587\u4ef6\u6269\u5c55\u540d\u3002<\/li>\n\n\n\n<li><code>dag<\/code>: \u6240\u5c5e\u7684 DAG\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 PythonOperator \u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684 Python \u51fd\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.python_operator import PythonOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ndef print_hello():\n    print('Hello, world!')\n\ntask = PythonOperator(\n    task_id='print_hello',\n    python_callable=print_hello,\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>print_hello<\/code> \u7684 Python \u51fd\u6570\uff0c\u7528\u4e8e\u6253\u5370 &#8220;Hello, world!&#8221;\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 PythonOperator \u5b9a\u4e49\u4e86\u4e00\u4e2a Task\uff0c\u5c06\u8be5 Python \u51fd\u6570\u4f5c\u4e3a <code>python_callable<\/code> \u53c2\u6570\u4f20\u9012\u7ed9 PythonOperator\u3002\u5728\u6267\u884c\u65f6\uff0cPythonOperator \u5c06\u76f4\u63a5\u8c03\u7528\u8be5 Python \u51fd\u6570\uff0c\u6267\u884c\u51fd\u6570\u4f53\u4e2d\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u4e0e BashOperator \u7c7b\u4f3c\uff0cPythonOperator \u4e5f\u53ef\u4ee5\u63a5\u6536\u4f4d\u7f6e\u53c2\u6570\u548c\u5173\u952e\u5b57\u53c2\u6570\uff0c\u5e76\u53ef\u4ee5\u5c06\u4efb\u52a1\u4e0a\u4e0b\u6587\u4f5c\u4e3a\u989d\u5916\u53c2\u6570\u4f20\u9012\u7ed9 Python \u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>def print_hello(name):\n    print(f'Hello, {name}!')\n\ntask = PythonOperator(\n    task_id='print_hello',\n    python_callable=print_hello,\n    op_kwargs={'name': 'Airflow'},\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5411 Python \u51fd\u6570 <code>print_hello<\/code> \u4f20\u9012\u4e86\u4e00\u4e2a\u5173\u952e\u5b57\u53c2\u6570 <code>name<\/code>\uff0c\u5176\u503c\u4e3a <code>'Airflow'<\/code>\u3002\u5728\u6267\u884c\u65f6\uff0cPythonOperator \u5c06\u8c03\u7528\u8be5 Python \u51fd\u6570\uff0c\u5e76\u5c06\u5173\u952e\u5b57\u53c2\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u51fd\u6570\u4f53\u4e2d\u7684\u4ee3\u7801\u5c06\u6253\u5370 &#8220;Hello, Airflow!&#8221;\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cPythonOperator \u662f Airflow \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5185\u7f6e Operator\uff0c\u53ef\u4ee5\u7528\u4e8e\u6267\u884c\u5404\u79cd Python \u51fd\u6570\uff0c\u6784\u5efa\u51fa\u590d\u6742<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u5185\u7f6eOperator BranchOperator<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cBranchOperator \u662f\u4e00\u4e2a\u5185\u7f6e\u7684 Operator\uff0c\u7528\u4e8e\u6839\u636e\u4efb\u52a1\u7684\u7ed3\u679c\u52a8\u6001\u5730\u9009\u62e9\u6267\u884c\u8def\u5f84\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u63a7\u5236\u4efb\u52a1\u6d41\u7a0b\u7684\u5206\u652f\u548c\u5408\u5e76\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u9009\u62e9\u4e0d\u540c\u7684\u6267\u884c\u8def\u5f84\u3002<\/p>\n\n\n\n<p>BranchOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>task_id<\/code>: Task \u7684 ID\uff0c\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002<\/li>\n\n\n\n<li><code>python_callable<\/code>: \u8981\u6267\u884c\u7684 Python \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5fc5\u987b\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u8981\u6267\u884c\u7684 Task ID\u3002\u8be5\u51fd\u6570\u53ef\u4ee5\u662f\u4e00\u4e2a\u51fd\u6570\u3001\u65b9\u6cd5\u3001\u53ef\u8c03\u7528\u5bf9\u8c61\u6216\u8def\u5f84\u5b57\u7b26\u4e32\u3002\u5982\u679c\u662f\u4e00\u4e2a\u8def\u5f84\u5b57\u7b26\u4e32\uff0c\u5219\u5c06\u6839\u636e\u8be5\u8def\u5f84\u5bfc\u5165\u5e76\u6267\u884c\u51fd\u6570\u3002<\/li>\n\n\n\n<li><code>op_args<\/code>: Python \u51fd\u6570\u7684\u4f4d\u7f6e\u53c2\u6570\uff0c\u4ee5\u5217\u8868\u5f62\u5f0f\u63d0\u4f9b\u3002<\/li>\n\n\n\n<li><code>op_kwargs<\/code>: Python \u51fd\u6570\u7684\u5173\u952e\u5b57\u53c2\u6570\uff0c\u4ee5\u5b57\u5178\u5f62\u5f0f\u63d0\u4f9b\u3002<\/li>\n\n\n\n<li><code>dag<\/code>: \u6240\u5c5e\u7684 DAG\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 BranchOperator \u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684\u5206\u652f\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom airflow.operators.python_operator import BranchOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ndef decide_what_to_do():\n    if datetime.today().weekday() == 0:\n        return 'print_date'\n    else:\n        return 'print_hello'\n\nbranch_task = BranchOperator(\n    task_id='branch_task',\n    python_callable=decide_what_to_do,\n    dag=dag,\n)\n\nprint_date_task = BashOperator(\n    task_id='print_date',\n    bash_command='date',\n    dag=dag,\n)\n\nprint_hello_task = BashOperator(\n    task_id='print_hello',\n    bash_command='echo \"Hello, world!\"',\n    dag=dag,\n)\n\nbranch_task &gt;&gt; [print_date_task, print_hello_task]\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528 BranchOperator \u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>branch_task<\/code> \u7684 Task\uff0c\u5c06 Python \u51fd\u6570 <code>decide_what_to_do<\/code> \u4f5c\u4e3a <code>python_callable<\/code> \u53c2\u6570\u4f20\u9012\u7ed9 BranchOperator\u3002\u5728\u6267\u884c\u65f6\uff0cBranchOperator \u5c06\u8c03\u7528\u8be5 Python \u51fd\u6570\uff0c\u6839\u636e\u8fd4\u56de\u7684\u7ed3\u679c\u9009\u62e9\u8981\u6267\u884c\u7684 Task\u3002<\/p>\n\n\n\n<p>\u5728 Python \u51fd\u6570 <code>decide_what_to_do<\/code> \u4e2d\uff0c\u6211\u4eec\u6839\u636e\u5f53\u524d\u65e5\u671f\u7684\u661f\u671f\u6570\u51b3\u5b9a\u8981\u6267\u884c\u7684 Task\uff0c\u5982\u679c\u662f\u661f\u671f\u4e00\uff0c\u5219\u9009\u62e9\u6267\u884c <code>print_date<\/code> Task\uff1b\u5426\u5219\uff0c\u9009\u62e9\u6267\u884c <code>print_hello<\/code> Task\u3002<\/p>\n\n\n\n<p>\u5728 DAG \u56fe\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 <code>branch_task<\/code> \u7684\u8f93\u51fa\u5c06\u4f5c\u4e3a <code>print_date<\/code> \u548c <code>print_hello<\/code> \u7684\u8f93\u5165\uff0c\u4ee5\u51b3\u5b9a\u4e0b\u4e00\u6b65\u8981\u6267\u884c\u7684 Task\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5f53\u524d\u65e5\u671f\u662f\u661f\u671f\u4e00\uff0c\u5219 <code>branch_task<\/code> \u7684\u8f93\u51fa\u5c06\u662f <code>'print_date'<\/code>\uff0c\u7136\u540e <code>print_date<\/code> Task \u5c06\u88ab\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cBranchOperator \u662f Airflow \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5185\u7f6e Operator\uff0c\u53ef\u4ee5\u7528\u4e8e\u6839\u636e\u4efb\u52a1\u7684\u7ed3\u679c<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u52a8\u6001\u5730\u9009\u62e9\u6267\u884c\u8def\u5f84\uff0c\u5b9e\u73b0\u5206\u652f\u548c\u5408\u5e76\u7684\u63a7\u5236\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528 BranchOperator\uff0c\u53ef\u4ee5\u6784\u5efa\u51fa\u590d\u6742\u7684\u4efb\u52a1\u6d41\u7a0b\uff0c\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u7684\u4efb\u52a1\u8c03\u5ea6\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u5185\u7f6eOperator SubDagOperator<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cSubDagOperator \u662f\u4e00\u4e2a\u5185\u7f6e\u7684 Operator\uff0c\u7528\u4e8e\u5c06\u4e00\u4e2a DAG \u5d4c\u5957\u5728\u53e6\u4e00\u4e2a DAG \u4e2d\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5c06\u4e00\u4e2a\u5927\u578b\u7684 DAG \u62c6\u5206\u6210\u591a\u4e2a\u5b50 DAG\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u548c\u8c03\u5ea6\u3002<\/p>\n\n\n\n<p>SubDagOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>task_id<\/code>: Task \u7684 ID\uff0c\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002<\/li>\n\n\n\n<li><code>subdag<\/code>: \u8981\u5d4c\u5957\u7684 DAG\uff0c\u5fc5\u987b\u662f\u4e00\u4e2a DAG \u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><code>default_args<\/code>: \u8981\u4f20\u9012\u7ed9\u5b50 DAG \u7684\u9ed8\u8ba4\u53c2\u6570\uff0c\u5fc5\u987b\u662f\u4e00\u4e2a\u5b57\u5178\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5219\u9ed8\u8ba4\u4f7f\u7528\u7236 DAG \u7684\u9ed8\u8ba4\u53c2\u6570\u3002<\/li>\n\n\n\n<li><code>dag<\/code>: \u6240\u5c5e\u7684 DAG\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 SubDagOperator \u5c06\u4e00\u4e2a DAG \u5d4c\u5957\u5728\u53e6\u4e00\u4e2a DAG \u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.subdag_operator import SubDagOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'my_username',\n    'depends_on_past': False,\n    'start_date': datetime(2023, 1, 1),\n    'email': ['my_email@example.com'],\n    'email_on_failure': False,\n    'email_on_retry': False,\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5),\n}\n\ndag = DAG(\n    'my_dag',\n    default_args=default_args,\n    description='My first DAG with Airflow',\n    schedule_interval=timedelta(days=1),\n)\n\ndef subdag(parent_dag_id, child_dag_id, default_args):\n    subdag = DAG(\n        dag_id=f'{parent_dag_id}.{child_dag_id}',\n        default_args=default_args,\n        description='SubDAG example',\n        schedule_interval=timedelta(days=1),\n    )\n\n    task1 = BashOperator(\n        task_id='subdag_task1',\n        bash_command='echo \"Hello, from SubDAG!\"',\n        dag=subdag,\n    )\n\n    return subdag\n\nsubdag_task = SubDagOperator(\n    task_id='subdag_task',\n    subdag=subdag('my_dag', 'subdag', default_args),\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>subdag<\/code> \u7684 Python \u51fd\u6570\uff0c\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u5b50 DAG\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 SubDagOperator \u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>subdag_task<\/code> \u7684 Task\uff0c\u5c06 <code>subdag<\/code> \u51fd\u6570\u4f5c\u4e3a <code>subdag<\/code> \u53c2\u6570\u4f20\u9012\u7ed9 SubDagOperator\u3002\u5728\u6267\u884c\u65f6\uff0cSubDagOperator \u5c06\u8c03\u7528\u8be5 Python \u51fd\u6570\uff0c\u521b\u5efa\u4e00\u4e2a\u5b50 DAG\uff0c\u7136\u540e\u5c06\u8be5\u5b50 DAG \u4f5c\u4e3a Task \u6dfb\u52a0\u5230\u7236 DAG \u4e2d\u3002<\/p>\n\n\n\n<p>\u5728\u5b50 DAG \u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>subdag_task1<\/code> \u7684 Task\uff0c\u7528\u4e8e\u6253\u5370 &#8220;Hello, from SubDAG!&#8221;\u3002\u5728 DAG \u56fe\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 <code>subdag_task<\/code> \u5305\u542b\u4e00\u4e2a\u5b50 DAG\uff0c\u8be5\u5b50 DAG \u5305\u542b\u4e00\u4e2a Task\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cSubDagOperator \u662f Airflow \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5185\u7f6e Operator\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a DAG \u5d4c\u5957\u5728\u53e6\u4e00\u4e2a DAG \u4e2d\uff0c\u5b9e\u73b0\u66f4\u597d\u7684\u7ba1\u7406\u548c\u8c03\u5ea6\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u5185\u7f6eOperator\u7b49\u5176\u4ed6\u5e38\u89c1Operator<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u9664\u4e86 BashOperator\u3001PythonOperator\u3001BranchOperator \u548c SubDagOperator \u5916\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u5e38\u89c1\u7684\u5185\u7f6e Operator\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>DummyOperator<\/li>\n<\/ol>\n\n\n\n<p>DummyOperator \u662f\u4e00\u4e2a\u865a\u62df\u7684 Operator\uff0c\u5b83\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u53ea\u662f\u7528\u4e8e\u5360\u4f4d\u7b26\u6216\u8fde\u63a5 Task\u3002DummyOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>dag<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>BashOperator<\/li>\n<\/ol>\n\n\n\n<p>BashOperator \u53ef\u4ee5\u6267\u884c\u4efb\u4f55 Bash \u547d\u4ee4\uff0c\u4f8b\u5982 Shell \u811a\u672c\u3001Python \u811a\u672c\u3001Linux \u547d\u4ee4\u7b49\u3002BashOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>bash_command<\/code>\u3001<code>xcom_push<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>PythonVirtualenvOperator<\/li>\n<\/ol>\n\n\n\n<p>PythonVirtualenvOperator \u53ef\u4ee5\u5728\u865a\u62df\u73af\u5883\u4e2d\u6267\u884c Python \u51fd\u6570\u6216\u811a\u672c\u3002\u5b83\u9700\u8981\u6307\u5b9a\u865a\u62df\u73af\u5883\u7684\u8def\u5f84\u548c\u8981\u6267\u884c\u7684 Python \u51fd\u6570\u6216\u811a\u672c\u3002PythonVirtualenvOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>python_callable<\/code>\u3001<code>requirements<\/code>\u3001<code>system_site_packages<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>EmailOperator<\/li>\n<\/ol>\n\n\n\n<p>EmailOperator \u53ef\u4ee5\u7528\u4e8e\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u901a\u77e5\u3002\u5b83\u9700\u8981\u6307\u5b9a\u6536\u4ef6\u4eba\u3001\u4e3b\u9898\u548c\u90ae\u4ef6\u6b63\u6587\u3002EmailOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>to<\/code>\u3001<code>subject<\/code>\u3001<code>html_content<\/code>\u3001<code>files<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>FTPSensor<\/li>\n<\/ol>\n\n\n\n<p>FTPSensor \u53ef\u4ee5\u76d1\u6d4b FTP \u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff0c\u5e76\u5728\u6587\u4ef6\u5b58\u5728\u65f6\u89e6\u53d1 Task \u7684\u6267\u884c\u3002FTPSensor \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>ftp_conn_id<\/code>\u3001<code>filepath<\/code>\u3001<code>timeout<\/code>\u3001<code>poke_interval<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>HttpSensor<\/li>\n<\/ol>\n\n\n\n<p>HttpSensor \u53ef\u4ee5\u76d1\u6d4b URL \u662f\u5426\u53ef\u4ee5\u8bbf\u95ee\uff0c\u5e76\u5728 URL \u53ef\u4ee5\u8bbf\u95ee\u65f6\u89e6\u53d1 Task \u7684\u6267\u884c\u3002HttpSensor \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>http_conn_id<\/code>\u3001<code>endpoint<\/code>\u3001<code>request_params<\/code>\u3001<code>response_check<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li>MySqlOperator<\/li>\n<\/ol>\n\n\n\n<p>MySqlOperator \u53ef\u4ee5\u5728 MySQL \u6570\u636e\u5e93\u4e0a\u6267\u884c SQL \u547d\u4ee4\u3002\u5b83\u9700\u8981\u6307\u5b9a MySQL \u8fde\u63a5 ID\u3001SQL \u547d\u4ee4\u548c\u5176\u4ed6\u53c2\u6570\u3002MySqlOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>mysql_conn_id<\/code>\u3001<code>sql<\/code>\u3001<code>database<\/code>\u3001<code>autocommit<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li>PostgresOperator<\/li>\n<\/ol>\n\n\n\n<p>PostgresOperator \u53ef\u4ee5\u5728 PostgreSQL \u6570\u636e\u5e93\u4e0a\u6267\u884c SQL \u547d\u4ee4\u3002\u5b83\u9700\u8981\u6307\u5b9a PostgreSQL \u8fde\u63a5 ID\u3001SQL \u547d\u4ee4\u548c\u5176\u4ed6\u53c2\u6570\u3002PostgresOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>postgres_conn_id<\/code>\u3001<code>sql<\/code>\u3001<code>database<\/code>\u3001<code>autocommit<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"9\">\n<li>S3KeySensor<\/li>\n<\/ol>\n\n\n\n<p>S3KeySensor \u53ef\u4ee5\u76d1\u6d4b Amazon S3 \u4e0a\u7684\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff0c\u5e76\u5728\u6587\u4ef6\u5b58\u5728\u65f6\u89e6\u53d1 Task \u7684\u6267\u884c\u3002S3KeySensor \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>bucket_key<\/code>\u3001<code>bucket_name<\/code>\u3001<code>wildcard_match<\/code>\u3001<code>timeout<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"10\">\n<li>S3<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"10\">\n<li>S3CopyObjectOperator<\/li>\n<\/ol>\n\n\n\n<p>S3CopyObjectOperator \u53ef\u4ee5\u5c06 Amazon S3 \u4e0a\u7684\u4e00\u4e2a\u5bf9\u8c61\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u3002\u5b83\u9700\u8981\u6307\u5b9a\u6e90\u5bf9\u8c61\u3001\u76ee\u6807\u4f4d\u7f6e\u548c\u5176\u4ed6\u53c2\u6570\u3002S3CopyObjectOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>source_bucket_key<\/code>\u3001<code>source_bucket_name<\/code>\u3001<code>dest_bucket_key<\/code>\u3001<code>dest_bucket_name<\/code>\u3001<code>extra_args<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"11\">\n<li>S3DeleteObjectsOperator<\/li>\n<\/ol>\n\n\n\n<p>S3DeleteObjectsOperator \u53ef\u4ee5\u5220\u9664 Amazon S3 \u4e0a\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u5bf9\u8c61\u3002\u5b83\u9700\u8981\u6307\u5b9a\u8981\u5220\u9664\u7684\u5bf9\u8c61\u5217\u8868\u548c\u5176\u4ed6\u53c2\u6570\u3002S3DeleteObjectsOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>bucket<\/code>\u3001<code>keys<\/code>\u3001<code>version_ids<\/code>\u3001<code>extra_args<\/code> \u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"12\">\n<li>SlackAPIOperator<\/li>\n<\/ol>\n\n\n\n<p>SlackAPIOperator \u53ef\u4ee5\u5c06\u6d88\u606f\u53d1\u9001\u5230 Slack \u9891\u9053\u3002\u5b83\u9700\u8981\u6307\u5b9a\u6d88\u606f\u6587\u672c\u3001Slack \u8fde\u63a5 ID \u548c\u5176\u4ed6\u53c2\u6570\u3002SlackAPIOperator \u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec <code>task_id<\/code>\u3001<code>slack_conn_id<\/code>\u3001<code>channel<\/code>\u3001<code>text<\/code>\u3001<code>attachments<\/code> \u7b49\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u5e38\u89c1\u7684\u5185\u7f6e Operator \u53ef\u4ee5\u6ee1\u8db3\u8bb8\u591a\u5e38\u89c1\u7684\u4efb\u52a1\u9700\u6c42\uff0c\u4ece\u6267\u884c Shell \u547d\u4ee4\u5230\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u548c Slack \u6d88\u606f\u3002\u5982\u679c\u6ca1\u6709\u73b0\u6210\u7684 Operator \u53ef\u7528\uff0c\u60a8\u8fd8\u53ef\u4ee5\u7f16\u5199\u81ea\u5df1\u7684 Operator\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u4efb\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u4efb\u52a1\u8c03\u5ea6\u4e0e\u6267\u884c\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u7684\u4ecb\u7ecd<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u662f\u901a\u8fc7\u8c03\u5ea6\u5668\uff08Scheduler\uff09\u548c\u6267\u884c\u5668\uff08Executor\uff09\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<p>\u8c03\u5ea6\u5668\u662f Airflow \u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u5b83\u8d1f\u8d23\u7ba1\u7406 DAG \u548c Task \u7684\u8c03\u5ea6\u3002\u8c03\u5ea6\u5668\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u5185\uff0c\u68c0\u67e5\u672a\u5b8c\u6210\u7684 Task\uff0c\u786e\u5b9a\u54ea\u4e9b Task \u5df2\u7ecf\u53ef\u4ee5\u6267\u884c\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u63d0\u4ea4\u7ed9\u6267\u884c\u5668\u6267\u884c\u3002\u8c03\u5ea6\u5668\u901a\u5e38\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\uff0c\u4ee5\u786e\u5b9a DAG \u548c Task \u7684\u72b6\u6001\uff0c\u4ee5\u53ca\u8ba1\u5212\u6267\u884c\u65f6\u95f4\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u6267\u884c\u5668\u662f Airflow \u53e6\u4e00\u4e2a\u6838\u5fc3\u7ec4\u4ef6\uff0c\u5b83\u8d1f\u8d23\u5c06 DAG \u548c Task \u8f6c\u6362\u4e3a\u53ef\u6267\u884c\u7684\u4efb\u52a1\u3002\u6267\u884c\u5668\u53ef\u4ee5\u5728\u672c\u5730\u8fd0\u884c\uff0c\u4e5f\u53ef\u4ee5\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u3002\u6267\u884c\u5668\u901a\u5e38\u4e0e\u8c03\u5ea6\u5668\u4ea4\u4e92\uff0c\u4ee5\u83b7\u53d6\u8981\u6267\u884c\u7684 Task \u7684\u4fe1\u606f\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u53ef\u6267\u884c\u7684\u4efb\u52a1\uff0c\u7136\u540e\u6267\u884c\u8be5\u4efb\u52a1\u3002<\/p>\n\n\n\n<p>Airflow \u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6267\u884c\u5668\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>LocalExecutor<\/li>\n<\/ol>\n\n\n\n<p>LocalExecutor \u662f Airflow \u5185\u7f6e\u7684\u6267\u884c\u5668\uff0c\u5b83\u53ef\u4ee5\u5728\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c Task\u3002LocalExecutor \u53ef\u4ee5\u5728\u672c\u5730\u673a\u5668\u4e0a\u5e76\u884c\u6267\u884c\u591a\u4e2a Task\uff0c\u4ece\u800c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>SequentialExecutor<\/li>\n<\/ol>\n\n\n\n<p>SequentialExecutor \u4e5f\u662f Airflow \u5185\u7f6e\u7684\u6267\u884c\u5668\uff0c\u5b83\u6309\u7167 DAG \u4e2d\u5b9a\u4e49\u7684\u987a\u5e8f\u9010\u4e2a\u6267\u884c Task\u3002SequentialExecutor \u53ea\u80fd\u5728\u5355\u4e2a\u8fdb\u7a0b\u4e2d\u6267\u884c\u4efb\u52a1\uff0c\u56e0\u6b64\u4e0d\u80fd\u5b9e\u73b0\u5e76\u884c\u6267\u884c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>CeleryExecutor<\/li>\n<\/ol>\n\n\n\n<p>CeleryExecutor \u4f7f\u7528 Celery \u6d88\u606f\u961f\u5217\u7cfb\u7edf\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u6267\u884c\u3002CeleryExecutor \u53ef\u4ee5\u5728\u591a\u4e2a\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u5e76\u884c\u6267\u884c\u591a\u4e2a Task\uff0c\u4ece\u800c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002CeleryExecutor \u8fd8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684 Celery \u961f\u5217\u6765\u63a7\u5236 Task \u7684\u6267\u884c\u4f18\u5148\u7ea7\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>KubernetesExecutor<\/li>\n<\/ol>\n\n\n\n<p>KubernetesExecutor \u662f\u4e00\u4e2a\u76f8\u5bf9\u8f83\u65b0\u7684\u6267\u884c\u5668\uff0c\u5b83\u4f7f\u7528 Kubernetes \u7f16\u6392\u7cfb\u7edf\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u6267\u884c\u3002KubernetesExecutor \u53ef\u4ee5\u5728\u591a\u4e2a Kubernetes Pod \u4e0a\u5e76\u884c\u6267\u884c\u591a\u4e2a Task\uff0c\u4ece\u800c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002KubernetesExecutor \u8fd8\u53ef\u4ee5\u5229\u7528 Kubernetes \u7684\u8d44\u6e90\u7ba1\u7406\u529f\u80fd\u6765\u63a7\u5236 Task \u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u8c03\u5ea6\u5668\u548c\u6267\u884c\u5668\u662f Airflow \u4e2d\u4e24\u4e2a\u91cd\u8981\u7684\u7ec4\u4ef6\uff0c\u8d1f\u8d23 DAG \u548c Task \u7684\u8c03\u5ea6\u548c\u6267\u884c\u3002Airflow \u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6267\u884c\u5668\uff0c\u53ef\u4ee5\u6839\u636e\u4efb\u52a1\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6267\u884c\u5668\u6765\u6267\u884c\u4efb\u52a1\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u4efb\u52a1\u8c03\u5ea6\u4e0e\u6267\u884c\u4f7f\u7528LocalExecutor\u548cCeleryExecutor<\/p>\n\n\n\n<p>Airflow \u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6267\u884c\u5668\uff0c\u5305\u62ec LocalExecutor\u3001SequentialExecutor\u3001CeleryExecutor \u548c KubernetesExecutor\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u4ecb\u7ecd\u4f7f\u7528 LocalExecutor \u548c CeleryExecutor\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">LocalExecutor<\/h2>\n\n\n\n<p>LocalExecutor \u662f Airflow \u5185\u7f6e\u7684\u6267\u884c\u5668\uff0c\u5b83\u53ef\u4ee5\u5728\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c Task\u3002LocalExecutor \u53ef\u4ee5\u5728\u672c\u5730\u673a\u5668\u4e0a\u5e76\u884c\u6267\u884c\u591a\u4e2a Task\uff0c\u4ece\u800c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 LocalExecutor \u9700\u8981\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 LocalExecutor \u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">makefileCopy code<code>executor = LocalExecutor\nparallelism = 4\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0c\u6211\u4eec\u5c06\u6267\u884c\u5668\u8bbe\u7f6e\u4e3a LocalExecutor\uff0c\u5e76\u5c06\u5e76\u884c\u5ea6\u8bbe\u7f6e\u4e3a 4\u3002\u8fd9\u610f\u5473\u7740 LocalExecutor \u53ef\u4ee5\u540c\u65f6\u8fd0\u884c 4 \u4e2a Task\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 LocalExecutor \u6267\u884c Task \u7684\u8fc7\u7a0b\u4e0e\u4f7f\u7528\u5176\u4ed6\u6267\u884c\u5668\u76f8\u4f3c\uff0c\u53ea\u9700\u8981\u5728 DAG \u4e2d\u6307\u5b9a\u76f8\u5e94\u7684\u6267\u884c\u5668\u5373\u53ef\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CeleryExecutor<\/h2>\n\n\n\n<p>CeleryExecutor \u4f7f\u7528 Celery \u6d88\u606f\u961f\u5217\u7cfb\u7edf\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u6267\u884c\u3002CeleryExecutor \u53ef\u4ee5\u5728\u591a\u4e2a\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u5e76\u884c\u6267\u884c\u591a\u4e2a Task\uff0c\u4ece\u800c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002CeleryExecutor \u8fd8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684 Celery \u961f\u5217\u6765\u63a7\u5236 Task \u7684\u6267\u884c\u4f18\u5148\u7ea7\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 CeleryExecutor \u9700\u8981\u5148\u5b89\u88c5\u5e76\u914d\u7f6e Celery\uff0c\u7136\u540e\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 CeleryExecutor \u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">perlCopy code<code>executor = CeleryExecutor\ncelery_result_backend = db+postgresql:\/\/airflow_user:airflow_pass@localhost:5432\/airflow\ncelery_broker_url = amqp:\/\/guest:guest@localhost:5672\/\/\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0c\u6211\u4eec\u5c06\u6267\u884c\u5668\u8bbe\u7f6e\u4e3a CeleryExecutor\uff0c\u5e76\u5c06 Celery \u4f5c\u4e3a\u7ed3\u679c\u540e\u7aef\u548c\u6d88\u606f\u4ee3\u7406\u3002\u6211\u4eec\u8fd8\u9700\u8981\u5728 Celery \u4e2d\u914d\u7f6e\u76f8\u5173\u53c2\u6570\uff0c\u4f8b\u5982 worker \u6570\u91cf\u3001\u961f\u5217\u540d\u79f0\u7b49\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 CeleryExecutor \u6267\u884c Task \u7684\u8fc7\u7a0b\u4e0e\u4f7f\u7528\u5176\u4ed6\u6267\u884c\u5668\u76f8\u4f3c\uff0c\u53ea\u9700\u8981\u5728 DAG \u4e2d\u6307\u5b9a\u76f8\u5e94\u7684\u6267\u884c\u5668\u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cLocalExecutor \u548c CeleryExecutor \u662f Airflow \u4e2d\u5e38\u7528\u7684\u4e24\u79cd\u6267\u884c\u5668\uff0c\u53ef\u4ee5\u6839\u636e\u4efb\u52a1\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6267\u884c\u5668\u6765\u6267\u884c\u4efb\u52a1\u3002\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u6267\u884c\u4efb\u52a1\u53ef\u4ee5\u9009\u62e9 LocalExecutor\uff0c\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\u6267\u884c\u4efb\u52a1\u53ef\u4ee5\u9009\u62e9 CeleryExecutor\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u4efb\u52a1\u8c03\u5ea6\u4e0e\u6267\u884c\u914d\u7f6e\u5e76\u884c\u4efb\u52a1\u548c\u8d44\u6e90\u9650\u5236<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u6765\u914d\u7f6e\u5e76\u884c\u4efb\u52a1\u548c\u8d44\u6e90\u9650\u5236\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5e76\u884c\u4efb\u52a1<\/li>\n<\/ol>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6e <code>parallelism<\/code> \u548c <code>dag_concurrency<\/code> \u6765\u63a7\u5236\u5e76\u884c\u4efb\u52a1\u6570\u3002<\/p>\n\n\n\n<p><code>parallelism<\/code> \u63a7\u5236\u6240\u6709 DAG \u5b9e\u4f8b\u4e2d\u7684\u5e76\u884c\u4efb\u52a1\u6570\uff0c\u800c <code>dag_concurrency<\/code> \u63a7\u5236\u5355\u4e2a DAG \u5b9e\u4f8b\u4e2d\u7684\u5e76\u884c\u4efb\u52a1\u6570\u3002\u8fd9\u4e9b\u53c2\u6570\u7684\u503c\u53ef\u4ee5\u6839\u636e\u4efb\u52a1\u9700\u6c42\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6e\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">makefileCopy code<code>parallelism = 16\ndag_concurrency = 4\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u5141\u8bb8\u5728\u6240\u6709 DAG \u5b9e\u4f8b\u4e2d\u5e76\u884c\u8fd0\u884c\u6700\u591a 16 \u4e2a\u4efb\u52a1\uff0c\u800c\u5728\u5355\u4e2a DAG \u5b9e\u4f8b\u4e2d\u6700\u591a\u8fd0\u884c 4 \u4e2a\u4efb\u52a1\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8d44\u6e90\u9650\u5236<\/li>\n<\/ol>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7\u5728 DAG \u7684 Task \u4e2d\u8bbe\u7f6e <code>resources<\/code> \u53c2\u6570\u6765\u9650\u5236\u4efb\u52a1\u4f7f\u7528\u7684\u8d44\u6e90\u3002<\/p>\n\n\n\n<p><code>resources<\/code> \u53c2\u6570\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u4e2d\u5305\u542b\u4efb\u52a1\u4f7f\u7528\u7684 CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u7a7a\u95f4\u7b49\u8d44\u6e90\u7684\u9650\u5236\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task = BashOperator(\n    task_id='my_task',\n    bash_command='echo \"Hello, World!\"',\n    resources={'cpu': 1, 'memory': 2048},\n    dag=dag\n)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c<code>resources<\/code> \u53c2\u6570\u9650\u5236\u4e86 Task \u4f7f\u7528\u7684 CPU \u4e3a 1 \u4e2a\uff0c\u5185\u5b58\u4e3a 2048 MB\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5728 Airflow Web UI \u4e2d\u67e5\u770b Task \u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u4fbf\u8c03\u6574\u8d44\u6e90\u9650\u5236\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5e76\u884c\u4efb\u52a1\u6570\u548c\u8d44\u6e90\u9650\u5236\u53c2\u6570\uff0c\u6765\u63a7\u5236\u4efb\u52a1\u7684\u5e76\u884c\u5ea6\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4efb\u52a1\u4f9d\u8d56\u4e0e\u89e6\u53d1\u5668\u8bbe\u7f6e\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u53ef\u4ee5\u901a\u8fc7\u4efb\u52a1\u7684 <code>depends_on_past<\/code> \u548c <code>trigger_rule<\/code> \u53c2\u6570\u6765\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4efb\u52a1\u4f9d\u8d56<\/h2>\n\n\n\n<p>\u4efb\u52a1\u7684 <code>depends_on_past<\/code> \u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u5f53\u524d\u4efb\u52a1\u662f\u5426\u4f9d\u8d56\u4e8e\u4e0a\u4e00\u6b21\u6267\u884c\u7684\u7ed3\u679c\u3002\u5982\u679c <code>depends_on_past<\/code> \u53c2\u6570\u4e3a True\uff0c\u5219\u5f53\u524d\u4efb\u52a1\u53ea\u80fd\u5728\u4e0a\u4e00\u6b21\u6267\u884c\u6210\u529f\u540e\u624d\u80fd\u6267\u884c\u3002\u5982\u679c\u4e0a\u4e00\u6b21\u6267\u884c\u5931\u8d25\uff0c\u5219\u5f53\u524d\u4efb\u52a1\u5c06\u4e0d\u4f1a\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a BashOperator\uff0c\u5176 <code>depends_on_past<\/code> \u53c2\u6570\u8bbe\u7f6e\u4e3a True\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task = BashOperator(\n    task_id='my_task',\n    bash_command='echo \"Hello, World!\"',\n    depends_on_past=True,\n    dag=dag\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5f53\u524d\u4efb\u52a1\u53ea\u80fd\u5728\u4e0a\u4e00\u6b21\u6210\u529f\u6267\u884c\u540e\u624d\u80fd\u6267\u884c\u3002\u5982\u679c\u4e0a\u4e00\u6b21\u6267\u884c\u5931\u8d25\uff0c\u5219\u5f53\u524d\u4efb\u52a1\u5c06\u4e0d\u4f1a\u6267\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e6\u53d1\u5668\u8bbe\u7f6e<\/h2>\n\n\n\n<p>\u4efb\u52a1\u7684 <code>trigger_rule<\/code> \u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u5728\u4f55\u79cd\u60c5\u51b5\u4e0b\u89e6\u53d1\u4efb\u52a1\u3002\u5982\u679c <code>trigger_rule<\/code> \u53c2\u6570\u4e3a all_success\uff0c\u5219\u4efb\u52a1\u53ea\u6709\u5728\u6240\u6709\u4f9d\u8d56\u7684\u4efb\u52a1\u90fd\u6210\u529f\u6267\u884c\u540e\u624d\u4f1a\u6267\u884c\u3002\u5982\u679c <code>trigger_rule<\/code> \u53c2\u6570\u4e3a one_success\uff0c\u5219\u4efb\u52a1\u53ea\u6709\u5728\u81f3\u5c11\u6709\u4e00\u4e2a\u4f9d\u8d56\u7684\u4efb\u52a1\u6210\u529f\u6267\u884c\u540e\u624d\u4f1a\u6267\u884c\u3002\u5982\u679c <code>trigger_rule<\/code> \u53c2\u6570\u4e3a all_done\uff0c\u5219\u4efb\u52a1\u53ea\u6709\u5728\u6240\u6709\u4f9d\u8d56\u7684\u4efb\u52a1\u90fd\u6267\u884c\u540e\u624d\u4f1a\u6267\u884c\u3002\u5982\u679c <code>trigger_rule<\/code> \u53c2\u6570\u4e3a one_failed\uff0c\u5219\u4efb\u52a1\u53ea\u6709\u5728\u81f3\u5c11\u6709\u4e00\u4e2a\u4f9d\u8d56\u7684\u4efb\u52a1\u6267\u884c\u5931\u8d25\u540e\u624d\u4f1a\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a BashOperator\uff0c\u5176 <code>trigger_rule<\/code> \u53c2\u6570\u8bbe\u7f6e\u4e3a all_success\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>task = BashOperator(\n    task_id='my_task',\n    bash_command='echo \"Hello, World!\"',\n    trigger_rule='all_success',\n    dag=dag\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5f53\u524d\u4efb\u52a1\u53ea\u6709\u5728\u6240\u6709\u4f9d\u8d56\u7684\u4efb\u52a1\u90fd\u6210\u529f\u6267\u884c\u540e\u624d\u4f1a\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4e0a\u8ff0\u53c2\u6570\u4e4b\u5916\uff0cAirflow \u8fd8\u652f\u6301\u5176\u4ed6\u7c7b\u578b\u7684\u4efb\u52a1\u4f9d\u8d56\uff0c\u4f8b\u5982\u9012\u5f52\u4f9d\u8d56\u3001\u8de8 DAG \u4f9d\u8d56\u7b49\u3002\u8fd9\u4e9b\u4f9d\u8d56\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u4efb\u52a1\u9700\u6c42\u8fdb\u884c\u914d\u7f6e\uff0c\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4efb\u52a1\u4f9d\u8d56\u4e0e\u89e6\u53d1\u5668\u4f7f\u7528\u89e6\u53d1\u5668\u89c4\u5219<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u4efb\u52a1\u7684\u89e6\u53d1\u5668\u89c4\u5219\uff08Trigger Rules\uff09\u7528\u4e8e\u6307\u5b9a\u5728\u4f55\u79cd\u60c5\u51b5\u4e0b\u89e6\u53d1\u4efb\u52a1\u3002\u89e6\u53d1\u5668\u89c4\u5219\u53ef\u4ee5\u901a\u8fc7\u5728 Task \u4e2d\u8bbe\u7f6e <code>trigger_rule<\/code> \u53c2\u6570\u6765\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>Airflow \u652f\u6301\u4ee5\u4e0b 4 \u79cd\u89e6\u53d1\u5668\u89c4\u5219\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>all_success\uff1a\u6240\u6709\u4f9d\u8d56\u7684 Task \u5747\u6267\u884c\u6210\u529f\u65f6\u89e6\u53d1\u5f53\u524d Task\u3002<\/li>\n\n\n\n<li>all_failed\uff1a\u6240\u6709\u4f9d\u8d56\u7684 Task \u5747\u6267\u884c\u5931\u8d25\u65f6\u89e6\u53d1\u5f53\u524d Task\u3002<\/li>\n\n\n\n<li>all_done\uff1a\u6240\u6709\u4f9d\u8d56\u7684 Task \u5747\u6267\u884c\u5b8c\u6bd5\u65f6\u89e6\u53d1\u5f53\u524d Task\u3002<\/li>\n\n\n\n<li>one_success\uff1a\u81f3\u5c11\u6709\u4e00\u4e2a\u4f9d\u8d56\u7684 Task \u6267\u884c\u6210\u529f\u65f6\u89e6\u53d1\u5f53\u524d Task\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u89e6\u53d1\u5668\u89c4\u5219\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"Task 1\"',\n    dag=dag,\n)\n\nt2 = BashOperator(\n    task_id='task_2',\n    bash_command='echo \"Task 2\"',\n    dag=dag,\n)\n\nt3 = BashOperator(\n    task_id='task_3',\n    bash_command='echo \"Task 3\"',\n    trigger_rule='all_success',\n    dag=dag,\n)\n\nt4 = BashOperator(\n    task_id='task_4',\n    bash_command='echo \"Task 4\"',\n    dag=dag,\n)\n\nt5 = BashOperator(\n    task_id='task_5',\n    bash_command='echo \"Task 5\"',\n    dag=dag,\n)\n\nt1 &gt;&gt; t2 &gt;&gt; t3\nt1 &gt;&gt; t4 &gt;&gt; t3\nt3 &gt;&gt; t5\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c<code>task_3<\/code> \u7684 <code>trigger_rule<\/code> \u53c2\u6570\u8bbe\u7f6e\u4e3a <code>all_success<\/code>\u3002\u8fd9\u610f\u5473\u7740\u53ea\u6709\u5f53 <code>task_1<\/code> \u548c <code>task_2<\/code> \u6267\u884c\u6210\u529f\u540e\uff0c<code>task_3<\/code> \u624d\u4f1a\u89e6\u53d1\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5728 Task \u7684 Web UI \u9875\u9762\u4e2d\u67e5\u770b\u5f53\u524d Task \u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u89e6\u53d1\u5668\u89c4\u5219\u3002\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u6839\u636e\u4efb\u52a1\u9700\u6c42\u8fdb\u884c\u914d\u7f6e\uff0c\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4efb\u52a1\u4f9d\u8d56\u4e0e\u89e6\u53d1\u5668\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668\uff08ExternalTaskSensor\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684 Operator\uff0c\u5b83\u7528\u4e8e\u76d1\u6d4b\u5176\u4ed6 DAG \u5b9e\u4f8b\u4e2d\u7684 Task \u662f\u5426\u5df2\u7ecf\u5b8c\u6210\u6267\u884c\u3002\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668\u901a\u5e38\u7528\u4e8e\u7b49\u5f85\u5176\u4ed6\u4efb\u52a1\u5b8c\u6210\u540e\u518d\u6267\u884c\u5f53\u524d\u4efb\u52a1\u3002<\/p>\n\n\n\n<p>\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668\u53ef\u4ee5\u901a\u8fc7\u5728 Task \u4e2d\u4f7f\u7528 <code>ExternalTaskSensor<\/code> Operator \u6765\u8fdb\u884c\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom airflow.operators.sensors import ExternalTaskSensor\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"Task 1\"',\n    dag=dag,\n)\n\nt2 = ExternalTaskSensor(\n    task_id='task_2',\n    external_dag_id='other_dag',\n    external_task_id='other_task',\n    dag=dag,\n)\n\nt3 = BashOperator(\n    task_id='task_3',\n    bash_command='echo \"Task 3\"',\n    dag=dag,\n)\n\nt1 &gt;&gt; t2 &gt;&gt; t3\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c<code>task_2<\/code> \u4f7f\u7528\u4e86 <code>ExternalTaskSensor<\/code> Operator \u6765\u76d1\u6d4b <code>other_dag<\/code> \u4e2d\u7684 <code>other_task<\/code> \u662f\u5426\u5df2\u7ecf\u5b8c\u6210\u6267\u884c\u3002\u53ea\u6709\u5f53 <code>other_task<\/code> \u6267\u884c\u6210\u529f\u540e\uff0c<code>task_2<\/code> \u624d\u4f1a\u89e6\u53d1\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u5728 <code>ExternalTaskSensor<\/code> Operator \u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e <code>external_dag_id<\/code> \u548c <code>external_task_id<\/code> \u6765\u6307\u5b9a\u8981\u76d1\u6d4b\u7684 DAG \u5b9e\u4f8b\u548c Task\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u8bbe\u7f6e <code>mode<\/code> \u53c2\u6570\u6765\u6307\u5b9a\u4f20\u611f\u5668\u7684\u884c\u4e3a\u6a21\u5f0f\uff0c\u4f8b\u5982\u7b49\u5f85 Task \u6210\u529f\u5b8c\u6210\u3001\u7b49\u5f85 Task \u5931\u8d25\u5b8c\u6210\u7b49\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668\u662f Airflow \u4e2d\u975e\u5e38\u6709\u7528\u7684 Operator\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u590d\u6742\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u53d8\u91cf\u4e0e\u8fde\u63a5\u7ba1\u7406Airflow\u53d8\u91cf<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53d8\u91cf\uff08Variable\uff09\u548c\u8fde\u63a5\uff08Connection\uff09\u662f\u7528\u4e8e\u7ba1\u7406\u548c\u5171\u4eab\u4fe1\u606f\u7684\u4e24\u4e2a\u91cd\u8981\u6982\u5ff5\u3002\u53d8\u91cf\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u636e\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\uff0c\u800c\u8fde\u63a5\u5219\u7528\u4e8e\u8fde\u63a5\u5230\u5916\u90e8\u7cfb\u7edf\u548c\u670d\u52a1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Airflow \u53d8\u91cf<\/h2>\n\n\n\n<p>Airflow \u53d8\u91cf\u7528\u4e8e\u5b58\u50a8\u548c\u5171\u4eab\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684\u6570\u636e\uff0c\u4f8b\u5982 AWS \u8bbf\u95ee\u5bc6\u94a5\u3001\u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\u7b49\u3002\u53d8\u91cf\u53ef\u4ee5\u5728 DAG \u4e2d\u4f7f\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7 Airflow Web UI \u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u521b\u5efa\u3001\u8bfb\u53d6\u548c\u5220\u9664\u53d8\u91cf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u53d8\u91cf\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import models\n\nmodels.Variable.set('my_variable', 'my_value')\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bfb\u53d6\u53d8\u91cf\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import models\n\nmy_value = models.Variable.get('my_variable')\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5220\u9664\u53d8\u91cf\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import models\n\nmodels.Variable.delete('my_variable')\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7 Airflow Web UI \u7684 Variables \u9875\u9762\u5bf9\u53d8\u91cf\u8fdb\u884c\u7ba1\u7406\uff0c\u5305\u62ec\u521b\u5efa\u3001\u7f16\u8f91\u548c\u5220\u9664\u53d8\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Airflow \u8fde\u63a5<\/h2>\n\n\n\n<p>Airflow \u8fde\u63a5\u7528\u4e8e\u8fde\u63a5\u5230\u5916\u90e8\u7cfb\u7edf\u548c\u670d\u52a1\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u3001\u4e91\u670d\u52a1\u3001FTP \u670d\u52a1\u5668\u7b49\u3002\u8fde\u63a5\u53ef\u4ee5\u5728 DAG \u4e2d\u4f7f\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7 Airflow Web UI \u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u521b\u5efa\u3001\u8bfb\u53d6\u548c\u5220\u9664\u8fde\u63a5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u8fde\u63a5\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import models, settings\nfrom airflow.models import Connection\n\nmy_conn = Connection(\n    conn_id='my_conn',\n    conn_type='my_type',\n    host='my_host',\n    login='my_login',\n    password='my_password',\n    port=1234\n)\n\nsession = settings.Session()\nsession.add(my_conn)\nsession.commit()\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bfb\u53d6\u8fde\u63a5\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import models\n\nmy_conn = models.Connection.get('my_conn')\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5220\u9664\u8fde\u63a5\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import models\n\nmodels.Connection.delete('my_conn')\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7 Airflow Web UI \u7684 Connections \u9875\u9762\u5bf9\u8fde\u63a5\u8fdb\u884c\u7ba1\u7406\uff0c\u5305\u62ec\u521b\u5efa\u3001\u7f16\u8f91\u548c\u5220\u9664\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cAirflow \u53d8\u91cf\u548c\u8fde\u63a5\u662f\u7ba1\u7406\u548c\u5171\u4eab\u4fe1\u606f\u7684\u4e24\u4e2a\u91cd\u8981\u673a\u5236\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u673a\u5236\u6765\u5b58\u50a8\u548c\u5171\u4eab\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u548c\u914d\u7f6e\uff0c\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u53ef\u7ef4\u62a4\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u53d8\u91cf\u4e0e\u8fde\u63a5\u5728DAG\u4e2d\u4f7f\u7528\u53d8\u91cf<\/p>\n\n\n\n<p>\u5728 Airflow DAG \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Airflow \u53d8\u91cf\u6765\u5b58\u50a8\u548c\u5171\u4eab\u4fe1\u606f\uff0c\u4f8b\u5982\u914d\u7f6e\u3001\u53c2\u6570\u3001\u51ed\u636e\u7b49\u3002\u4f7f\u7528\u53d8\u91cf\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u53ef\u914d\u7f6e\u7684 DAG\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Airflow \u53d8\u91cf\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom airflow.models import Variable\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nmy_var = Variable.get('my_variable')\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command=f'echo \"{my_var}\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 <code>Variable.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u540d\u4e3a <code>my_variable<\/code> \u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728 <code>my_var<\/code> \u53d8\u91cf\u4e2d\u3002\u7136\u540e\uff0c\u5728 BashOperator \u4e2d\u4f7f\u7528 <code>my_var<\/code> \u53d8\u91cf\u6765\u6267\u884c\u547d\u4ee4\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4f7f\u7528 <code>Variable.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u53d8\u91cf\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728 DAG \u6587\u4ef6\u4e2d\u76f4\u63a5\u5b9a\u4e49\u53d8\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9a\u4e49\u53d8\u91cf\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False,\n    default_args={\n        'my_variable': 'my_value',\n    }\n)\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"{{ dag_run.conf[\"my_variable\"] or dag.default_args[\"my_variable\"] }}\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u5728 DAG \u5b9a\u4e49\u4e2d\u4f7f\u7528 <code>default_args<\/code> \u53c2\u6570\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>my_variable<\/code> \u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u5176\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u4e3a <code>my_value<\/code>\u3002\u5728 BashOperator \u4e2d\u4f7f\u7528\u6a21\u677f\u8bed\u8a00 <code>{{ }}<\/code> \u548c <code>dag_run.conf<\/code> \u8bbf\u95ee\u8fd0\u884c\u65f6\u7684\u914d\u7f6e\u53c2\u6570\u548c <code>default_args<\/code> \u4e2d\u5b9a\u4e49\u7684\u9ed8\u8ba4\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4f7f\u7528\u53d8\u91cf\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728 DAG \u4e2d\u4f7f\u7528\u8fde\u63a5\u6765\u8bbf\u95ee\u5916\u90e8\u7cfb\u7edf\u548c\u670d\u52a1\u3002\u4f7f\u7528\u8fde\u63a5\u53ef\u4ee5\u5e2e\u52a9\u5728 DAG \u4e2d\u7ba1\u7406\u51ed\u636e\u548c\u914d\u7f6e\u4fe1\u606f\uff0c\u4ee5\u53ca\u5728\u8fd0\u884c\u65f6\u8fde\u63a5\u5230\u5916\u90e8\u7cfb\u7edf\u548c\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\u5728 DAG \u4e2d\u4f7f\u7528\u8fde\u63a5\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>Connection.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u8fde\u63a5\u4fe1\u606f\uff0c\u5e76\u5728 Operator \u4e2d\u4f7f\u7528\u8be5\u8fde\u63a5\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u8fde\u63a5\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.mysql_operator import MySqlOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nmy_conn = Connection.get('my_conn')\n\nt1 = MySqlOperator(\n    task_id='task_1',\n    sql='SELECT * FROM my_table',\n    mysql_conn_id=my_conn.conn_id,\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 <code>Connection.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u540d\u4e3a <code>my_conn<\/code> \u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9 <code>MySqlOperator<\/code> \u7684 <code>mysql_conn_id<\/code> \u53c2\u6570\u3002\u8fd9\u6837\uff0c\u5728 Operator \u4e2d\u5c31\u53ef\u4ee5\u4f7f\u7528\u8be5\u8fde\u63a5\u4fe1\u606f\u8bbf\u95ee MySQL \u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cAirflow \u53d8\u91cf\u548c\u8fde\u63a5\u53ef\u4ee5\u5e2e\u52a9\u5728 DAG \u4e2d\u5b58\u50a8\u548c\u5171<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u53d8\u91cf\u4e0e\u8fde\u63a5\u7ba1\u7406\u548c\u4f7f\u7528\u8fde\u63a5<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u8fde\u63a5\u7528\u4e8e\u8fde\u63a5\u5230\u5916\u90e8\u7cfb\u7edf\u548c\u670d\u52a1\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u3001\u4e91\u670d\u52a1\u3001FTP \u670d\u52a1\u5668\u7b49\u3002\u8fde\u63a5\u53ef\u4ee5\u5728 DAG \u4e2d\u4f7f\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7 Airflow Web UI \u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u7ba1\u7406\u8fde\u63a5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u8fde\u63a5\uff1a\u5728 Airflow Web UI \u7684 Connections \u9875\u9762\u4e0a\uff0c\u5355\u51fb &#8220;Create&#8221; \u6309\u94ae\u521b\u5efa\u65b0\u8fde\u63a5\u3002\u5728\u521b\u5efa\u8fde\u63a5\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u8fde\u63a5\u7684 ID\u3001\u7c7b\u578b\u3001\u4e3b\u673a\u540d\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u7b49\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u7f16\u8f91\u8fde\u63a5\uff1a\u5728 Airflow Web UI \u7684 Connections \u9875\u9762\u4e0a\uff0c\u5355\u51fb\u8fde\u63a5\u540d\u79f0\u8fdb\u5165\u8fde\u63a5\u8be6\u60c5\u9875\u9762\u3002\u5728\u8be5\u9875\u9762\u4e0a\uff0c\u53ef\u4ee5\u7f16\u8f91\u8fde\u63a5\u7684\u5c5e\u6027\uff0c\u4f8b\u5982\u4e3b\u673a\u540d\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u7b49\u3002<\/li>\n\n\n\n<li>\u5220\u9664\u8fde\u63a5\uff1a\u5728 Airflow Web UI \u7684 Connections \u9875\u9762\u4e0a\uff0c\u5355\u51fb\u8fde\u63a5\u540d\u79f0\u8fdb\u5165\u8fde\u63a5\u8be6\u60c5\u9875\u9762\u3002\u5728\u8be5\u9875\u9762\u4e0a\uff0c\u5355\u51fb &#8220;Delete&#8221; \u6309\u94ae\u5220\u9664\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728 DAG \u4e2d\u4f7f\u7528\u8fde\u63a5\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>Connection.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u8fde\u63a5\u4fe1\u606f\uff0c\u5e76\u5728 Operator \u4e2d\u4f7f\u7528\u8be5\u8fde\u63a5\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u8fde\u63a5\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.mysql_operator import MySqlOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nmy_conn = Connection.get('my_conn')\n\nt1 = MySqlOperator(\n    task_id='task_1',\n    sql='SELECT * FROM my_table',\n    mysql_conn_id=my_conn.conn_id,\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 <code>Connection.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u540d\u4e3a <code>my_conn<\/code> \u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9 <code>MySqlOperator<\/code> \u7684 <code>mysql_conn_id<\/code> \u53c2\u6570\u3002\u8fd9\u6837\uff0c\u5728 Operator \u4e2d\u5c31\u53ef\u4ee5\u4f7f\u7528\u8be5\u8fde\u63a5\u4fe1\u606f\u8bbf\u95ee MySQL \u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4f7f\u7528\u8fde\u63a5\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728 DAG \u4e2d\u4f7f\u7528\u53d8\u91cf\u6765\u5b58\u50a8\u548c\u5171\u4eab\u4fe1\u606f\uff0c\u4f8b\u5982\u914d\u7f6e\u3001\u53c2\u6570\u3001\u51ed\u636e\u7b49\u3002\u4f7f\u7528\u53d8\u91cf\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u53ef\u914d\u7f6e\u7684 DAG\u3002<\/p>\n\n\n\n<p>\u5728 DAG \u4e2d\u4f7f\u7528\u53d8\u91cf\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>Variable.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u53d8\u91cf\u4fe1\u606f\uff0c\u5e76\u5728 Operator \u4e2d\u4f7f\u7528\u8be5\u53d8\u91cf\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u53d8\u91cf\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom airflow.models import Variable\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nmy_var = Variable.get('my_variable')\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command=f'echo \"{my_var}\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 <code>Variable.get()<\/code> \u65b9\u6cd5\u83b7\u53d6\u540d\u4e3a <code>my_variable<\/code> \u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728 <code>my_var<\/code> \u53d8\u91cf\u4e2d\u3002\u7136\u540e\uff0c\u5728 BashOperator \u4e2d\u4f7f\u7528 <code>my_var<\/code> \u53d8\u91cf\u6765\u6267\u884c\u547d\u4ee4\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cAirflow \u8fde\u63a5\u548c\u53d8\u91cf\u53ef\u4ee5\u5e2e\u52a9\u5728 DAG \u4e2d\u5b58\u50a8\u548c\u5171\u4eab\u4fe1\u606f\uff0c\u4f8b\u5982\u914d\u7f6e\u3001\u53c2\u6570\u3001\u51ed\u636e\u7b49\u3002\u4f7f\u7528\u8fde\u63a5\u548c\u53d8\u91cf\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u53ef\u914d\u7f6e\u7684 DAG\uff0c\u5e76\u5e2e\u52a9\u7ba1\u7406\u548c\u4fdd\u62a4\u654f\u611f\u4fe1\u606f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow XComs\uff08\u8de8\u4efb\u52a1\u901a\u4fe1\uff09XCom\u7b80\u4ecb<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cXCom\uff08Cross Communication\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4efb\u52a1\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u7684\u673a\u5236\u3002\u901a\u8fc7 XCom\uff0c\u4efb\u52a1\u53ef\u4ee5\u5411\u5176\u4ed6\u4efb\u52a1\u53d1\u9001\u6570\u636e\uff0c\u5e76\u4ece\u5176\u4ed6\u4efb\u52a1\u63a5\u6536\u6570\u636e\uff0c\u4ee5\u4fbf\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u590d\u6742\u7684\u4efb\u52a1\u7f16\u6392\u548c\u6570\u636e\u5904\u7406\u3002<\/p>\n\n\n\n<p>XCom \u673a\u5236\u652f\u6301\u4ee5\u4e0b\u7279\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4efb\u52a1\u4e4b\u95f4\u5171\u4eab\u6570\u636e<\/li>\n\n\n\n<li>\u5b58\u50a8\u548c\u68c0\u7d22\u6570\u636e<\/li>\n\n\n\n<li>\u901a\u8fc7 Key \u503c\u8fdb\u884c\u6570\u636e\u68c0\u7d22<\/li>\n\n\n\n<li>\u652f\u6301\u4efb\u52a1\u4e4b\u95f4\u7684\u4f20\u9012\u6570\u636e\u7c7b\u578b\u4e3a\u4efb\u610f Python \u6570\u636e\u7c7b\u578b<\/li>\n<\/ul>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0cXCom \u6570\u636e\u5b58\u50a8\u5728 Airflow \u5143\u6570\u636e\u5e93\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5728\u4efb\u52a1\u4e4b\u95f4\u4f20\u9012\u6570\u636e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d1\u9001\u6570\u636e\uff1a\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528 <code>context<\/code> \u53c2\u6570\u53d1\u9001\u6570\u636e\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528 <code>context['task_instance'].xcom_push(key='my_key', value='my_value')<\/code> \u65b9\u6cd5\u53d1\u9001\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u6570\u636e\uff1a\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528 <code>context<\/code> \u53c2\u6570\u63a5\u6536\u6570\u636e\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528 <code>my_value = context['task_instance'].xcom_pull(key='my_key')<\/code> \u65b9\u6cd5\u63a5\u6536\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728 DAG \u4e2d\u4f7f\u7528 XCom \u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>xcom_push()<\/code> \u65b9\u6cd5\u5c06\u6570\u636e\u53d1\u9001\u5230 XCom \u5b58\u50a8\uff0c\u5e76\u4f7f\u7528 <code>xcom_pull()<\/code> \u65b9\u6cd5\u4ece XCom \u5b58\u50a8\u4e2d\u68c0\u7d22\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 XCom \u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"Hello, Airflow!\"',\n    dag=dag,\n)\n\nt2 = BashOperator(\n    task_id='task_2',\n    bash_command='echo \"{{ ti.xcom_pull(task_ids=\"task_1\") }}\"',\n    dag=dag,\n)\n\nt1 &gt;&gt; t2\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4efb\u52a1 <code>t1<\/code> \u6267\u884c\u547d\u4ee4 <code>\"echo \"Hello, Airflow!\"<\/code>\uff0c\u5e76\u5c06\u5b57\u7b26\u4e32 <code>\"Hello, Airflow!\"<\/code> \u5b58\u50a8\u5230 XCom \u5b58\u50a8\u4e2d\u3002\u4efb\u52a1 <code>t2<\/code> \u4f7f\u7528\u6a21\u677f\u8bed\u8a00 <code>{{ }}<\/code> \u548c <code>ti.xcom_pull()<\/code> \u65b9\u6cd5\u4ece XCom \u5b58\u50a8\u4e2d\u68c0\u7d22\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u547d\u4ee4 <code>\"echo \"{{ ti.xcom_pull(task_ids=\"task_1\") }}\"<\/code> \u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cXCom \u662f Airflow \u4e2d\u7528\u4e8e\u5728\u4efb\u52a1\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u7684\u673a\u5236\u3002\u4f7f\u7528 XCom\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u3001\u5b58\u50a8\u548c\u68c0\u7d22\u6570\u636e\uff0c\u5e76\u652f\u6301\u4efb\u610f Python \u6570\u636e\u7c7b\u578b\u3002\u5728 DAG \u4e2d\u4f7f\u7528 XCom \u53ef\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u590d\u6742\u7684\u4efb\u52a1\u7f16\u6392\u548c\u6570\u636e\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow \u5728\u4efb\u52a1\u4e2d\u4ea7\u751f\u548c\u4f7f\u7528XComs<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u4efb\u52a1\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u4ea7\u751f\u548c\u4f7f\u7528 XComs\uff08\u8de8\u4efb\u52a1\u901a\u4fe1\uff09\u3002\u901a\u8fc7\u4f7f\u7528 XComs\uff0c\u4efb\u52a1\u53ef\u4ee5\u5728\u6267\u884c\u671f\u95f4\u5171\u4eab\u6570\u636e\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u590d\u6742\u7684\u4efb\u52a1\u7f16\u6392\u548c\u6570\u636e\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u4efb\u52a1\u4e2d\u4ea7\u751f XComs \u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>task_instance.xcom_push()<\/code> \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5c06\u6570\u636e\u5b58\u50a8\u5230 XCom \u5b58\u50a8\u4e2d\u3002\u65b9\u6cd5\u7684\u53c2\u6570\u5305\u62ec <code>key<\/code> \u548c <code>value<\/code>\uff0c<code>key<\/code> \u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u5728 XCom \u5b58\u50a8\u4e2d\u6807\u8bc6\u6570\u636e\uff0c<code>value<\/code> \u662f\u8981\u5b58\u50a8\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5728\u4efb\u52a1\u4e2d\u4ea7\u751f XCom\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>def my_task(ds, **kwargs):\n    # \u4ea7\u751f XCom \u6570\u636e\n    task_instance = kwargs['task_instance']\n    task_instance.xcom_push(key='my_key', value='my_value')\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528 XComs \u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>task_instance.xcom_pull()<\/code> \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u4ece XCom \u5b58\u50a8\u4e2d\u68c0\u7d22\u6570\u636e\u3002\u65b9\u6cd5\u7684\u53c2\u6570\u5305\u62ec <code>key<\/code> \u548c\u53ef\u9009\u53c2\u6570 <code>task_ids<\/code>\uff0c<code>key<\/code> \u662f\u8981\u68c0\u7d22\u7684\u6570\u636e\u7684\u952e\u503c\uff0c<code>task_ids<\/code> \u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u8868\u793a\u8981\u68c0\u7d22\u7684\u4efb\u52a1\u7684 ID\u3002\u5982\u679c\u672a\u6307\u5b9a <code>task_ids<\/code>\uff0c\u5219\u9ed8\u8ba4\u4e3a\u5f53\u524d\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528 XCom\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>def my_task(ds, **kwargs):\n    # \u68c0\u7d22 XCom \u6570\u636e\n    task_instance = kwargs['task_instance']\n    my_value = task_instance.xcom_pull(key='my_key')\n    print(my_value)\n<\/code><\/pre>\n\n\n\n<p>\u5728 DAG \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u4efb\u52a1\u94fe\u63a5\u8d77\u6765\u6765\u4f20\u9012 XComs\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 XCom \u5728\u4e24\u4e2a\u4efb\u52a1\u4e4b\u95f4\u4f20\u9012\u6570\u636e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"Hello, Airflow!\"',\n    dag=dag,\n)\n\nt2 = BashOperator(\n    task_id='task_2',\n    bash_command='echo \"{{ ti.xcom_pull(task_ids=\"task_1\") }}\"',\n    dag=dag,\n)\n\nt1 &gt;&gt; t2\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4efb\u52a1 <code>t1<\/code> \u6267\u884c\u547d\u4ee4 <code>\"echo \"Hello, Airflow!\"<\/code>\uff0c\u5e76\u5c06\u5b57\u7b26\u4e32 <code>\"Hello, Airflow!\"<\/code> \u5b58\u50a8\u5230 XCom \u5b58\u50a8\u4e2d\u3002\u4efb\u52a1 <code>t2<\/code> \u4f7f\u7528\u6a21\u677f\u8bed\u8a00 <code>{{ }}<\/code> \u548c <code>ti.xcom_pull()<\/code> \u65b9\u6cd5\u4ece XCom \u5b58\u50a8\u4e2d\u68c0\u7d22\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u547d\u4ee4 <code>\"echo \"{{ ti.xcom_pull(task_ids=\"task_1\") }}\"<\/code> \u7684\u53c2\u6570\u3002\u5728\u4efb\u52a1\u7f16\u6392\u4e2d\uff0c\u4f7f\u7528 <code>&gt;&gt;<\/code> \u8fd0\u7b97\u7b26\u5c06\u4efb\u52a1\u94fe\u63a5\u8d77\u6765\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cAirflow \u4e2d\u7684\u4efb\u52a1\u53ef\u4ee5\u4ea7\u751f\u548c\u4f7f\u7528 XComs\uff0c\u5728\u6267\u884c\u671f\u95f4\u5171\u4eab\u6570\u636e\u3002\u4f7f\u7528 XComs \u53ef\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u590d\u6742\u7684\u4efb\u52a1\u7f16\u6392\u548c\u6570\u636e\u5904\u7406\u3002\u5728\u4efb\u52a1\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>task_instance.xcom_push()<\/code> \u65b9\u6cd5\u4ea7\u751f XComs\uff0c\u4f7f\u7528 `<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>task_instance.xcom_pull()` \u65b9\u6cd5\u4ece XCom \u5b58\u50a8\u4e2d\u68c0\u7d22 XComs\u3002\u5728 DAG \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u4efb\u52a1\u94fe\u63a5\u8d77\u6765\u6765\u4f20\u9012 XComs\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6a21\u677f\u548cJinja\u6a21\u677f\u5f15\u64ce\u4f7f\u7528\u6a21\u677f\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u6a21\u677f\u662f\u4e00\u79cd\u53ef\u4ee5\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\u7684\u673a\u5236\u3002\u6a21\u677f\u53ef\u4ee5\u5305\u542b\u6a21\u677f\u53d8\u91cf\uff0c\u6a21\u677f\u53d8\u91cf\u53ef\u4ee5\u5728\u4efb\u52a1\u6267\u884c\u65f6\u6839\u636e\u9700\u8981\u8fdb\u884c\u66ff\u6362\u3002Airflow \u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u6765\u5904\u7406\u6a21\u677f\u3002<\/p>\n\n\n\n<p>Jinja \u662f\u4e00\u4e2a\u6d41\u884c\u7684 Python \u6a21\u677f\u5f15\u64ce\uff0c\u5b83\u652f\u6301\u903b\u8f91\u63a7\u5236\u3001\u53d8\u91cf\u3001\u8fc7\u6ee4\u5668\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u8ba9\u7528\u6237\u901a\u8fc7\u6a21\u677f\u5feb\u901f\u751f\u6210\u5404\u79cd\u6587\u672c\u683c\u5f0f\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u6765\u5904\u7406\u5404\u79cd\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u4efb\u52a1\u540d\u79f0\u3001Bash \u547d\u4ee4\u3001SQL \u8bed\u53e5\u7b49\u3002<\/p>\n\n\n\n<p>Jinja \u6a21\u677f\u4f7f\u7528\u53cc\u5927\u62ec\u53f7 <code>{{ }}<\/code> \u6765\u6807\u8bc6\u6a21\u677f\u53d8\u91cf\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5728 BashOperator \u4e2d\u4f7f\u7528\u6a21\u677f\u53d8\u91cf\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, 1),\n    catchup=False\n)\n\nmy_var = 'Airflow'\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"Hello, {{ var.value.my_var }}!\"',\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u53d8\u91cf <code>my_var<\/code> \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32 <code>'Airflow'<\/code>\uff0c\u7136\u540e\u5728\u4efb\u52a1 <code>t1<\/code> \u7684 Bash \u547d\u4ee4\u4e2d\u4f7f\u7528\u4e86\u6a21\u677f\u53d8\u91cf <code>{{ var.value.my_var }}<\/code>\u3002Airflow \u4e2d\u7684 <code>var.value<\/code> \u53d8\u91cf\u8868\u793a Airflow \u4e2d\u7684\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>var.value<\/code> \u548c\u53d8\u91cf\u540d\u6765\u8bbf\u95ee\u53d8\u91cf\u7684\u503c\u3002\u5728\u4efb\u52a1\u6267\u884c\u65f6\uff0cJinja \u6a21\u677f\u5f15\u64ce\u4f1a\u5c06\u6a21\u677f\u53d8\u91cf <code>{{ var.value.my_var }}<\/code> \u66ff\u6362\u4e3a\u5b57\u7b26\u4e32 <code>'Airflow'<\/code>\uff0c\u751f\u6210\u6700\u7ec8\u7684 Bash \u547d\u4ee4 <code>\"echo \"Hello, Airflow!\"<\/code>\u3002<\/p>\n\n\n\n<p>\u9664\u4e86 <code>var.value<\/code> \u53d8\u91cf\uff0cAirflow \u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5176\u4ed6\u7684\u5168\u5c40\u53d8\u91cf\uff0c\u53ef\u4ee5\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>ds<\/code>: \u5f53\u524d\u6267\u884c\u65e5\u671f\uff0c\u683c\u5f0f\u4e3a <code>YYYY-MM-DD<\/code>\u3002<\/li>\n\n\n\n<li><code>ds_nodash<\/code>: \u5f53\u524d\u6267\u884c\u65e5\u671f\uff0c\u683c\u5f0f\u4e3a <code>YYYYMMDD<\/code>\u3002<\/li>\n\n\n\n<li><code>ts<\/code>: \u5f53\u524d\u6267\u884c\u65f6\u95f4\uff0c\u683c\u5f0f\u4e3a <code>YYYY-MM-DDTHH:mm:ss<\/code>\u3002<\/li>\n\n\n\n<li><code>ts_nodash<\/code>: \u5f53\u524d\u6267\u884c\u65f6\u95f4\uff0c\u683c\u5f0f\u4e3a <code>YYYYMMDDTHHmmss<\/code>\u3002<\/li>\n\n\n\n<li><code>yesterday_ds<\/code>: \u6628\u5929\u7684\u65e5\u671f\uff0c\u683c\u5f0f\u4e3a <code>YYYY-MM-DD<\/code>\u3002<\/li>\n\n\n\n<li><code>yesterday_ds_nodash<\/code>: \u6628\u5929\u7684\u65e5\u671f\uff0c\u683c\u5f0f\u4e3a <code>YYYYMMDD<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u4f7f\u7528\u6a21\u677f\u65f6\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u652f\u6301\u7684\u5404\u79cd\u903b\u8f91\u63a7\u5236\u548c\u8fc7\u6ee4\u5668\u529f\u80fd\uff0c\u4f8b\u5982\u6761\u4ef6\u8bed\u53e5\u3001\u5faa\u73af\u8bed\u53e5\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7b49\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u548c\u5b57\u7b26\u4e32\u8fc7\u6ee4\u5668\u6765\u751f\u6210\u4efb\u52a1\u540d\u79f0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom datetime import datetime\n\ndag = DAG(\n    'my_dag',\n    schedule_interval='0 0 * * *',\n    start_date=datetime(2023, 1, \n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>1), catchup=False )<\/p>\n\n\n\n<p>my_var = &#8216;Airflow&#8217; my_list = [&#8216;apple&#8217;, &#8216;banana&#8217;, &#8216;orange&#8217;]<\/p>\n\n\n\n<p>for fruit in my_list: t = BashOperator( task_id=&#8217;task_&#8217; + fruit, bash_command=&#8217;echo &#8220;Hello, {{ var.value.my_var }}! This is {{ fruit|capitalize }}.&#8221;&#8216;, dag=dag, )<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">goCopy code<code>\n\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u53d8\u91cf `my_var` \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32 `'Airflow'`\uff0c\u4f7f\u7528\u5217\u8868 `my_list` \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5b57\u7b26\u4e32\u7684\u5217\u8868\u3002\u7136\u540e\uff0c\u4f7f\u7528\u5faa\u73af\u8bed\u53e5 `for` \u5728 DAG \u4e2d\u751f\u6210\u4e09\u4e2a BashOperator \u4efb\u52a1\uff0c\u4efb\u52a1\u540d\u79f0\u6839\u636e\u5faa\u73af\u53d8\u91cf `fruit` \u52a8\u6001\u751f\u6210\u3002\u5728\u4efb\u52a1 `t` \u7684 Bash \u547d\u4ee4\u4e2d\u4f7f\u7528\u4e86\u6a21\u677f\u53d8\u91cf `{{ var.value.my_var }}` \u548c\u5b57\u7b26\u4e32\u8fc7\u6ee4\u5668 `{{ fruit|capitalize }}`\uff0c\u751f\u6210\u6700\u7ec8\u7684 Bash \u547d\u4ee4\uff0c\u4f8b\u5982 `\"echo \"Hello, Airflow! This is Apple.\"`\u3002\n\n\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u6a21\u677f\u662f\u4e00\u79cd\u53ef\u4ee5\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\u7684\u673a\u5236\u3002\u6a21\u677f\u53ef\u4ee5\u5305\u542b\u6a21\u677f\u53d8\u91cf\uff0c\u6a21\u677f\u53d8\u91cf\u53ef\u4ee5\u5728\u4efb\u52a1\u6267\u884c\u65f6\u6839\u636e\u9700\u8981\u8fdb\u884c\u66ff\u6362\u3002Airflow \u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u6765\u5904\u7406\u6a21\u677f\u3002Jinja \u6a21\u677f\u4f7f\u7528\u53cc\u5927\u62ec\u53f7 `{{ }}` \u6765\u6807\u8bc6\u6a21\u677f\u53d8\u91cf\uff0c\u8fd8\u652f\u6301\u5404\u79cd\u903b\u8f91\u63a7\u5236\u548c\u8fc7\u6ee4\u5668\u529f\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u5feb\u901f\u751f\u6210\u5404\u79cd\u6587\u672c\u683c\u5f0f\u7684\u4efb\u52a1\u53c2\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u590d\u6742\u7684\u4efb\u52a1\u7f16\u6392\u548c\u6570\u636e\u5904\u7406\u3002\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6a21\u677f\u548cJinja\u6a21\u677f\u5f15\u64ce\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\u4f7f\u7528Jinja\u6a21\u677f<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\u4f7f\u7528 Jinja \u6a21\u677f\u6765\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\u3002\u4f7f\u7528 Jinja \u6a21\u677f\u53ef\u4ee5\u8f7b\u677e\u5904\u7406\u5404\u79cd\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u4efb\u52a1\u540d\u79f0\u3001Bash \u547d\u4ee4\u3001SQL \u8bed\u53e5\u7b49\u3002<\/p>\n\n\n\n<p>\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u7684\u5404\u79cd\u529f\u80fd\uff0c\u4f8b\u5982\u53d8\u91cf\u3001\u903b\u8f91\u63a7\u5236\u3001\u8fc7\u6ee4\u5668\u7b49\uff0c\u6765\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\u3002Jinja \u6a21\u677f\u4f7f\u7528\u53cc\u5927\u62ec\u53f7 <code>{{ }}<\/code> \u6765\u6807\u8bc6\u6a21\u677f\u53d8\u91cf\uff0c\u4f7f\u7528 <code>{% %}<\/code> \u6765\u6807\u8bc6\u903b\u8f91\u63a7\u5236\u8bed\u53e5\uff0c\u4f7f\u7528 <code>{{ var.json.* }}<\/code> \u6765\u8bbf\u95ee Airflow \u4e2d\u7684 JSON \u7c7b\u578b\u53d8\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684 Jinja \u6a21\u677f\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a21\u677f\u53d8\u91cf\uff1a\u4f7f\u7528 <code>{{ variable }}<\/code> \u6807\u8bc6\u4e00\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u6267\u884c\u65f6\u52a8\u6001\u66ff\u6362\u4e3a\u53d8\u91cf\u7684\u503c\u3002\u4f8b\u5982\uff1apythonCopy code<code>from airflow import DAG from airflow.operators.bash_operator import BashOperator from datetime import datetime dag = DAG( 'my_dag', schedule_interval='0 0 * * *', start_date=datetime(2023, 1, 1), catchup=False ) my_var = 'Airflow' t1 = BashOperator( task_id='task_1', bash_command='echo \"Hello, {{ my_var }}!\"', dag=dag, ) <\/code>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u53d8\u91cf <code>my_var<\/code> \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32 <code>'Airflow'<\/code>\uff0c\u7136\u540e\u5728\u4efb\u52a1 <code>t1<\/code> \u7684 Bash \u547d\u4ee4\u4e2d\u4f7f\u7528\u4e86\u6a21\u677f\u53d8\u91cf <code>{{ my_var }}<\/code>\u3002\u5728\u4efb\u52a1\u6267\u884c\u65f6\uff0cJinja \u6a21\u677f\u5f15\u64ce\u4f1a\u5c06\u6a21\u677f\u53d8\u91cf <code>{{ my_var }}<\/code> \u66ff\u6362\u4e3a\u5b57\u7b26\u4e32 <code>'Airflow'<\/code>\uff0c\u751f\u6210\u6700\u7ec8\u7684 Bash \u547d\u4ee4 <code>\"echo \"Hello, Airflow!\"<\/code>\u3002<\/li>\n\n\n\n<li>\u903b\u8f91\u63a7\u5236\u8bed\u53e5\uff1a\u4f7f\u7528 <code>{% if condition %}<\/code> \u548c <code>{% endif %}<\/code> \u6765\u6807\u8bc6\u4e00\u4e2a\u6761\u4ef6\u8bed\u53e5\uff0c\u53ef\u4ee5\u6839\u636e\u6761\u4ef6\u5224\u65ad\u662f\u5426\u751f\u6210\u4efb\u52a1\u53c2\u6570\u3002\u4f8b\u5982\uff1apythonCopy code<code>from airflow import DAG from airflow.operators.bash_operator import BashOperator from datetime import datetime dag = DAG( 'my_dag', schedule_interval='0 0 * * *', start_date=datetime(2023, 1, 1), catchup=False ) my_var = 'Airflow' my_condition = True t1 = BashOperator( task_id='task_1', bash_command='{% if my_condition %}echo \"Hello, {{ my_var }}!\"{% endif %}', dag=dag, ) <\/code>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u53d8\u91cf <code>my_var<\/code> \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32 <code>'Airflow'<\/code>\uff0c\u4f7f\u7528\u53d8\u91cf <code>my_condition<\/code> \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5e03\u5c14\u578b\u53d8\u91cf <code>True<\/code>\u3002\u7136\u540e\uff0c\u5728\u4efb\u52a1 <code>t1<\/code> \u7684 Bash \u547d\u4ee4\u4e2d\u4f7f\u7528\u4e86\u6761\u4ef6\u8bed\u53e5 <code>{% if my_condition %}<\/code> \u548c <code>{% endif %}<\/code>\uff0c\u5224\u65ad\u53d8\u91cf <code>my_condition<\/code> \u662f\u5426\u4e3a\u771f\u3002\u5982\u679c\u53d8\u91cf <code>my_condition<\/code> \u4e3a\u771f\uff0c\u5219\u4f7f\u7528\u6a21\u677f\u53d8\u91cf <code>{{ my_var }}<\/code> \u751f\u6210 Bash<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u547d\u4ee4 <code>\"echo \"Hello, Airflow!\"<\/code>\uff0c\u5426\u5219\u4e0d\u751f\u6210\u4efb\u4f55\u547d\u4ee4\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fc7\u6ee4\u5668\uff1a\u4f7f\u7528 <code>{{ variable | filter }}<\/code> \u683c\u5f0f\u6765\u5bf9\u53d8\u91cf\u8fdb\u884c\u8fc7\u6ee4\u64cd\u4f5c\uff0c\u4f8b\u5982\u8f6c\u6362\u5927\u5c0f\u5199\u3001\u683c\u5f0f\u5316\u65e5\u671f\u7b49\u3002\u4f8b\u5982\uff1apythonCopy code<code>from airflow import DAG from airflow.operators.bash_operator import BashOperator from datetime import datetime dag = DAG( 'my_dag', schedule_interval='0 0 * * *', start_date=datetime(2023, 1, 1), catchup=False ) my_var = 'Airflow' t1 = BashOperator( task_id='task_1', bash_command='echo \"Hello, {{ my_var|upper }}!\"', dag=dag, ) <\/code>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u53d8\u91cf <code>my_var<\/code> \u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32 <code>'Airflow'<\/code>\uff0c\u7136\u540e\u5728\u4efb\u52a1 <code>t1<\/code> \u7684 Bash \u547d\u4ee4\u4e2d\u4f7f\u7528\u4e86\u8fc7\u6ee4\u5668 <code>|upper<\/code>\uff0c\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd\u3002\u5728\u4efb\u52a1\u6267\u884c\u65f6\uff0cJinja \u6a21\u677f\u5f15\u64ce\u4f1a\u5c06\u6a21\u677f\u53d8\u91cf <code>{{ my_var|upper }}<\/code> \u66ff\u6362\u4e3a\u5b57\u7b26\u4e32 <code>'AIRFLOW'<\/code>\uff0c\u751f\u6210\u6700\u7ec8\u7684 Bash \u547d\u4ee4 <code>\"echo \"Hello, AIRFLOW!\"<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u4f7f\u7528 Jinja \u6a21\u677f\u53ef\u4ee5\u65b9\u4fbf\u5730\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\uff0c\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u7f16\u6392\u3002\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u53d8\u91cf\u3001\u903b\u8f91\u63a7\u5236\u8bed\u53e5\u548c\u8fc7\u6ee4\u5668\u7b49\u529f\u80fd\uff0c\u6839\u636e\u4efb\u52a1\u9700\u6c42\u81ea\u7531\u7ec4\u5408\uff0c\u751f\u6210\u5404\u79cd\u4efb\u52a1\u53c2\u6570\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6a21\u677f\u548cJinja\u6a21\u677f\u5f15\u64ceAirflow\u5b8f\u548c\u51fd\u6570<\/p>\n\n\n\n<p>\u9664\u4e86\u4f7f\u7528 Jinja \u6a21\u677f\u5916\uff0cAirflow \u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u5185\u7f6e\u7684\u5b8f\u548c\u51fd\u6570\uff0c\u7528\u4e8e\u5728 DAG \u4e2d\u751f\u6210\u52a8\u6001\u7684\u4efb\u52a1\u53c2\u6570\u3002\u5b8f\u548c\u51fd\u6570\u53ef\u4ee5\u5927\u5927\u7b80\u5316 DAG \u7f16\u5199\u7684\u8fc7\u7a0b\uff0c\u63d0\u9ad8\u7f16\u7801\u6548\u7387\u3002<\/p>\n\n\n\n<p>Airflow \u5185\u7f6e\u7684\u5b8f\u548c\u51fd\u6570\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65f6\u95f4\u5b8f\uff1a\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u65f6\u95f4\u683c\u5f0f\u548c\u65f6\u95f4\u8ba1\u7b97\u529f\u80fd\u3002\u4f8b\u5982\uff0c<code>ds<\/code> \u8868\u793a\u5f53\u524d\u4efb\u52a1\u6267\u884c\u7684\u65e5\u671f\uff0c<code>ds_nodash<\/code> \u8868\u793a\u5f53\u524d\u4efb\u52a1\u6267\u884c\u7684\u65e5\u671f\uff0c\u53bb\u6389\u4e2d\u95f4\u7684\u5206\u9694\u7b26\uff0c<code>execution_date<\/code> \u8868\u793a\u5f53\u524d\u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4\uff0c<code>prev_ds<\/code> \u8868\u793a\u4e0a\u4e00\u4e2a\u4efb\u52a1\u6267\u884c\u7684\u65e5\u671f\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u65f6\u95f4\u5b8f\u6765\u751f\u6210\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u52a8\u6001\u751f\u6210\u6587\u4ef6\u540d\u3001\u76ee\u5f55\u540d\u3001SQL \u67e5\u8be2\u8bed\u53e5\u7b49\u3002<\/li>\n\n\n\n<li>\u6587\u4ef6\u8def\u5f84\u5b8f\uff1a\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u6587\u4ef6\u8def\u5f84\u683c\u5f0f\uff0c\u4f8b\u5982 <code>airflow_home<\/code> \u8868\u793a Airflow \u5b89\u88c5\u76ee\u5f55\uff0c<code>macros<\/code> \u8868\u793a\u5b8f\u7684\u5b58\u50a8\u8def\u5f84\uff0c<code>tmp<\/code> \u8868\u793a\u4e34\u65f6\u6587\u4ef6\u8def\u5f84\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u8def\u5f84\u5b8f\u6765\u751f\u6210\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u52a8\u6001\u751f\u6210\u6587\u4ef6\u8def\u5f84\u3001\u76ee\u5f55\u8def\u5f84\u7b49\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5e93\u8fde\u63a5\u5b8f\uff1a\u63d0\u4f9b\u4e86\u4e00\u4e9b\u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\u683c\u5f0f\uff0c\u4f8b\u5982 <code>postgres_conn_id<\/code> \u8868\u793a PostgreSQL \u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c<code>mysql_conn_id<\/code> \u8868\u793a MySQL \u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6570\u636e\u5e93\u8fde\u63a5\u5b8f\u6765\u751f\u6210\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u52a8\u6001\u8fde\u63a5\u6570\u636e\u5e93\u3001\u8bfb\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7b49\u3002<\/li>\n\n\n\n<li>\u8f6c\u6362\u51fd\u6570\uff1a\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\uff0c\u4f8b\u5982 <code>json.loads<\/code> \u8868\u793a\u5c06 JSON \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a Python \u5bf9\u8c61\uff0c<code>datetime.strptime<\/code> \u8868\u793a\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u8f6c\u6362\u51fd\u6570\u6765\u5904\u7406\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u5c06\u5b57\u7b26\u4e32\u7c7b\u578b\u8f6c\u6362\u4e3a\u6570\u503c\u7c7b\u578b\u3001\u65e5\u671f\u65f6\u95f4\u7c7b\u578b\u7b49\u3002<\/li>\n\n\n\n<li>\u8fd0\u7b97\u51fd\u6570\uff1a\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u6570\u5b66\u8fd0\u7b97\u548c\u903b\u8f91\u8fd0\u7b97\u51fd\u6570\uff0c\u4f8b\u5982 <code>math.ceil<\/code> \u8868\u793a\u5411\u4e0a\u53d6\u6574\u51fd\u6570\uff0c<code>datetime.timedelta<\/code> \u8868\u793a\u65f6\u95f4\u5dee\u51fd\u6570\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u8fd0\u7b97\u51fd\u6570\u6765\u5904\u7406\u4efb\u52a1\u53c2\u6570\uff0c\u4f8b\u5982\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u65f6\u95f4\u4e4b\u95f4\u7684\u65f6\u95f4\u5dee\u3001\u8ba1\u7b97\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5b8f\u548c\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from airflow import DAG\nfrom airflow.operators.bash_operator import BashOperator\nfrom airflow.operators.postgres_operator import PostgresOperator\nfrom datetime import datetime, timedelta\n\ndefault_args = {\n    'owner': 'airflow',\n    'start_date': datetime(2023, 1, 1),\n    'retries': 1,\n    'retry_delay': timedelta(minutes=5)\n}\n\ndag = DAG(\n    'my_dag',\n    default_args=default_args,\n    schedule_interval='@daily',\n    catchup=False\n)\n\nt1 = BashOperator(\n    task_id='task_1',\n    bash_command='echo \"{{ ds }} {{ ds_nodash }} {{ ts }} {{ ts_nodash }}\"',\n    dag=dag,\n)\n\nt2 = PostgresOperator(\n    task_id='task_2',\n    postgres_conn_id='my_postgres',\n    sql='SELECT * FROM my_table WHERE date = \\'{{ ds }}\\'',\n    dag=dag,\n)\n\nt3 = BashOperator(\n    task_id='task_3',\n   \n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">makefileCopy code<code>bash_command='echo \"{{ var.value.my_var | int + 1 }}\"',\ndag=dag,\n<\/code><\/pre>\n\n\n\n<p>)<\/p>\n\n\n\n<p>\u5728\u4e0a\u8ff0 DAG \u4e2d\uff0c<code>{{ ds }}<\/code> \u548c <code>{{ ds_nodash }}<\/code> \u5206\u522b\u8868\u793a\u5f53\u524d\u4efb\u52a1\u6267\u884c\u7684\u65e5\u671f\uff0c\u5e26\u6709\u4e2d\u95f4\u7684\u5206\u9694\u7b26\u548c\u4e0d\u5e26\u4e2d\u95f4\u7684\u5206\u9694\u7b26\u3002<code>{{ ts }}<\/code> \u548c <code>{{ ts_nodash }}<\/code> \u5206\u522b\u8868\u793a\u5f53\u524d\u4efb\u52a1\u6267\u884c\u7684\u65f6\u95f4\u6233\uff0c\u5e26\u6709\u4e2d\u95f4\u7684\u5206\u9694\u7b26\u548c\u4e0d\u5e26\u4e2d\u95f4\u7684\u5206\u9694\u7b26\u3002<code>{{ var.value.my_var | int + 1 }}<\/code> \u8868\u793a\u5c06 Airflow \u53d8\u91cf <code>my_var<\/code> \u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u7136\u540e\u52a0\u4e0a 1\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u5185\u7f6e\u7684\u5b8f\u548c\u51fd\u6570\uff0cAirflow \u8fd8\u652f\u6301\u81ea\u5b9a\u4e49\u5b8f\u548c\u51fd\u6570\u3002\u53ef\u4ee5\u5728 Airflow \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff0c\u6307\u5b9a\u81ea\u5b9a\u4e49\u7684\u5b8f\u548c\u51fd\u6570\u6a21\u5757\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">iniCopy code<code>[core]\nuser_defined_macros = my_macros\nuser_defined_filters = my_filters\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d <code>my_macros<\/code> \u548c <code>my_filters<\/code> \u5206\u522b\u4e3a\u81ea\u5b9a\u4e49\u5b8f\u548c\u8fc7\u6ee4\u5668\u6240\u5728\u7684 Python \u6a21\u5757\u3002\u81ea\u5b9a\u4e49\u5b8f\u548c\u8fc7\u6ee4\u5668\u9700\u8981\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u8303\u7f16\u5199\uff0c\u5177\u4f53\u53ef\u4ee5\u53c2\u8003\u5b98\u65b9\u6587\u6863\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u4f7f\u7528\u5b8f\u548c\u51fd\u6570\u53ef\u4ee5\u5927\u5927\u7b80\u5316 DAG \u7684\u7f16\u5199\u8fc7\u7a0b\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u5b8f\u548c\u51fd\u6570\u6765\u5904\u7406\u4efb\u52a1\u53c2\u6570\uff0c\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u7f16\u6392\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u76d1\u63a7\u4e0e\u65e5\u5fd7\u4f7f\u7528Airflow Web\u754c\u9762\u8fdb\u884c\u76d1\u63a7<\/p>\n\n\n\n<p>Airflow \u63d0\u4f9b\u4e86 Web \u754c\u9762\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5bf9 DAG\u3001\u4efb\u52a1\u3001\u8c03\u5ea6\u5668\u7b49\u8fdb\u884c\u76d1\u63a7\u548c\u7ba1\u7406\u3002\u5728 Web \u754c\u9762\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b\u4efb\u52a1\u7684\u8fd0\u884c\u72b6\u6001\u3001\u65e5\u5fd7\u8f93\u51fa\u3001\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u7b49\u8be6\u7ec6\u4fe1\u606f\uff0c\u65b9\u4fbf\u7528\u6237\u8fdb\u884c\u6545\u969c\u6392\u67e5\u548c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n\n\n\n<p>Airflow Web \u754c\u9762\u4e2d\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DAG \u5217\u8868\u9875\uff1a\u5c55\u793a\u6240\u6709\u7684 DAG\uff0c\u5305\u62ec DAG \u540d\u79f0\u3001\u72b6\u6001\u3001\u4e0a\u6b21\u8fd0\u884c\u65f6\u95f4\u7b49\u4fe1\u606f\u3002\u53ef\u4ee5\u5728\u5217\u8868\u9875\u4e2d\u542f\u52a8\u3001\u6682\u505c\u3001\u8c03\u5ea6\u3001\u7f16\u8f91\u3001\u5220\u9664 DAG\u3002<\/li>\n\n\n\n<li>DAG \u8be6\u60c5\u9875\uff1a\u5c55\u793a\u6307\u5b9a DAG \u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5305\u62ec DAG \u7684\u4efb\u52a1\u5217\u8868\u3001\u4efb\u52a1\u72b6\u6001\u3001\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u3001\u4efb\u52a1\u65e5\u5fd7\u8f93\u51fa\u7b49\u4fe1\u606f\u3002\u53ef\u4ee5\u5728\u8be6\u60c5\u9875\u4e2d\u542f\u52a8\u3001\u6682\u505c\u3001\u8c03\u5ea6\u3001\u7f16\u8f91\u3001\u5220\u9664\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u65e5\u5fd7\u9875\uff1a\u5c55\u793a\u6307\u5b9a\u4efb\u52a1\u7684\u65e5\u5fd7\u8f93\u51fa\uff0c\u53ef\u4ee5\u6309\u7167\u65f6\u95f4\u3001\u7ea7\u522b\u3001\u4efb\u52a1 ID \u7b49\u6761\u4ef6\u8fdb\u884c\u8fc7\u6ee4\u3002\u53ef\u4ee5\u5728\u65e5\u5fd7\u9875\u4e2d\u4e0b\u8f7d\u4efb\u52a1\u65e5\u5fd7\u3001\u6e05\u7a7a\u4efb\u52a1\u65e5\u5fd7\u3001\u91cd\u65b0\u8fd0\u884c\u4efb\u52a1\u7b49\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u5b9e\u4f8b\u9875\uff1a\u5c55\u793a\u6307\u5b9a\u4efb\u52a1\u7684\u8fd0\u884c\u72b6\u6001\u548c\u8fd0\u884c\u65f6\u95f4\uff0c\u5305\u62ec\u4efb\u52a1\u5f00\u59cb\u65f6\u95f4\u3001\u7ed3\u675f\u65f6\u95f4\u3001\u8fd0\u884c\u65f6\u957f\u7b49\u4fe1\u606f\u3002\u53ef\u4ee5\u5728\u4efb\u52a1\u5b9e\u4f8b\u9875\u4e2d\u91cd\u65b0\u8fd0\u884c\u4efb\u52a1\u3001\u6e05\u9664\u4efb\u52a1\u72b6\u6001\u7b49\u3002<\/li>\n\n\n\n<li>\u7edf\u8ba1\u9875\uff1a\u5c55\u793a Airflow \u7684\u6574\u4f53\u7edf\u8ba1\u4fe1\u606f\uff0c\u5305\u62ec DAG \u6570\u91cf\u3001\u4efb\u52a1\u6570\u91cf\u3001\u4efb\u52a1\u6210\u529f\u7387\u7b49\u4fe1\u606f\u3002\u53ef\u4ee5\u5728\u7edf\u8ba1\u9875\u4e2d\u67e5\u770b\u548c\u5bfc\u51fa\u5404\u79cd\u4efb\u52a1\u8fd0\u884c\u72b6\u6001\u548c\u7edf\u8ba1\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9664\u4e86 Web \u754c\u9762\u5916\uff0cAirflow \u8fd8\u63d0\u4f9b\u4e86\u591a\u79cd\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u65e5\u5fd7\u7ba1\u7406\u548c\u5206\u6790\u3002\u53ef\u4ee5\u5c06\u4efb\u52a1\u65e5\u5fd7\u8f93\u51fa\u5230\u6587\u4ef6\u3001\u6570\u636e\u5e93\u3001\u65e5\u5fd7\u670d\u52a1\u5668\u7b49\u4e0d\u540c\u7684\u76ee\u6807\u4e2d\uff0c\u4ee5\u4fbf\u4e8e\u7528\u6237\u8fdb\u884c\u96c6\u4e2d\u7ba1\u7406\u548c\u76d1\u63a7\u3002\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u4ee3\u7801\u8bbe\u7f6e\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\u548c\u7ea7\u522b\uff0c\u6ee1\u8db3\u4e0d\u540c\u7684\u65e5\u5fd7\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u4f7f\u7528 Web \u754c\u9762\u548c\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\u53ef\u4ee5\u65b9\u4fbf\u5730\u5bf9\u4efb\u52a1\u8fdb\u884c\u76d1\u63a7\u548c\u7ba1\u7406\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u76d1\u63a7\u548c\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\uff0c\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u8fd0\u7ef4\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u76d1\u63a7\u4e0e\u65e5\u5fd7\u67e5\u770b\u4efb\u52a1\u65e5\u5fd7<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u67e5\u770b\u4efb\u52a1\u65e5\u5fd7\uff0c\u5305\u62ec Web \u754c\u9762\u3001\u547d\u4ee4\u884c\u5de5\u5177\u548c\u65e5\u5fd7\u8f93\u51fa\u76ee\u6807\u7b49\u3002\u5728 Web \u754c\u9762\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u67e5\u770b\u4efb\u52a1\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728 DAG \u5217\u8868\u9875\u4e2d\uff0c\u9009\u62e9\u6307\u5b9a\u7684 DAG\uff0c\u8fdb\u5165 DAG \u8be6\u60c5\u9875\u3002<\/li>\n\n\n\n<li>\u5728 DAG \u8be6\u60c5\u9875\u4e2d\uff0c\u9009\u62e9\u6307\u5b9a\u7684\u4efb\u52a1\uff0c\u8fdb\u5165\u4efb\u52a1\u5b9e\u4f8b\u9875\u3002<\/li>\n\n\n\n<li>\u5728\u4efb\u52a1\u5b9e\u4f8b\u9875\u4e2d\uff0c\u70b9\u51fb\u65e5\u5fd7\u6309\u94ae\uff0c\u8fdb\u5165\u4efb\u52a1\u65e5\u5fd7\u9875\u3002<\/li>\n\n\n\n<li>\u5728\u4efb\u52a1\u65e5\u5fd7\u9875\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b\u4efb\u52a1\u7684\u8be6\u7ec6\u65e5\u5fd7\u8f93\u51fa\uff0c\u53ef\u4ee5\u6309\u7167\u65f6\u95f4\u3001\u7ea7\u522b\u3001\u4efb\u52a1 ID \u7b49\u6761\u4ef6\u8fdb\u884c\u8fc7\u6ee4\u3002\u540c\u65f6\uff0c\u4e5f\u53ef\u4ee5\u5728\u4efb\u52a1\u65e5\u5fd7\u9875\u4e2d\u4e0b\u8f7d\u4efb\u52a1\u65e5\u5fd7\u3001\u6e05\u7a7a\u4efb\u52a1\u65e5\u5fd7\u3001\u91cd\u65b0\u8fd0\u884c\u4efb\u52a1\u7b49\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u9664\u4e86 Web \u754c\u9762\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177 <code>airflow logs<\/code> \u67e5\u770b\u4efb\u52a1\u65e5\u5fd7\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6307\u5b9a\u4efb\u52a1\u7684\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>airflow logs &lt;dag_id&gt; &lt;task_id&gt; --execution-date &lt;date&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c<code>&lt;dag_id&gt;<\/code> \u8868\u793a DAG \u7684\u540d\u79f0\uff0c<code>&lt;task_id&gt;<\/code> \u8868\u793a\u4efb\u52a1\u7684\u540d\u79f0\uff0c<code>&lt;date&gt;<\/code> \u8868\u793a\u4efb\u52a1\u6267\u884c\u7684\u65e5\u671f\u3002\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u547d\u4ee4\u67e5\u770b\u4efb\u52a1\u7684\u8be6\u7ec6\u65e5\u5fd7\u8f93\u51fa\uff0c\u53ef\u4ee5\u6309\u7167\u65f6\u95f4\u3001\u7ea7\u522b\u7b49\u6761\u4ef6\u8fdb\u884c\u8fc7\u6ee4\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4e0a\u8ff0\u65b9\u5f0f\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u4ee3\u7801\u8bbe\u7f6e\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\u548c\u7ea7\u522b\u3002\u53ef\u4ee5\u5c06\u4efb\u52a1\u65e5\u5fd7\u8f93\u51fa\u5230\u6587\u4ef6\u3001\u6570\u636e\u5e93\u3001\u65e5\u5fd7\u670d\u52a1\u5668\u7b49\u4e0d\u540c\u7684\u76ee\u6807\u4e2d\uff0c\u4ee5\u4fbf\u4e8e\u7528\u6237\u8fdb\u884c\u96c6\u4e2d\u7ba1\u7406\u548c\u76d1\u63a7\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\u548c\u7ea7\u522b\uff0c\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u8fd0\u7ef4\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u67e5\u770b\u4efb\u52a1\u65e5\u5fd7\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u65e5\u5fd7\u8f93\u51fa\u65b9\u5f0f\u548c\u7ea7\u522b\uff0c\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u76d1\u63a7\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u76d1\u63a7\u4e0e\u65e5\u5fd7\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001\u548cSLA<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4efb\u52a1\u72b6\u6001\u548c SLA\uff08Service Level Agreement\uff09\u673a\u5236\u6765\u76d1\u63a7\u548c\u7ba1\u7406\u4efb\u52a1\u7684\u6267\u884c\u60c5\u51b5\u3002\u4efb\u52a1\u72b6\u6001\u53cd\u6620\u4e86\u4efb\u52a1\u5f53\u524d\u7684\u72b6\u6001\uff0c\u5305\u62ec\u5df2\u5b8c\u6210\u3001\u8fd0\u884c\u4e2d\u3001\u7b49\u5f85\u4e2d\u3001\u5931\u8d25\u7b49\u4e0d\u540c\u72b6\u6001\u3002SLA \u662f\u6307\u4efb\u52a1\u5e94\u8be5\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u5b8c\u6210\u7684\u7ea6\u5b9a\uff0c\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u4efb\u52a1\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>Airflow \u4e2d\u7684\u4efb\u52a1\u72b6\u6001\u548c SLA \u673a\u5236\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8bbe\u7f6e\u548c\u76d1\u63a7\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001<\/li>\n<\/ol>\n\n\n\n<p>\u4efb\u52a1\u72b6\u6001\u53ef\u4ee5\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4efb\u52a1\u7ed3\u675f\u65f6\uff0c\u4f7f\u7528 PythonOperator \u548c xcom_push \u65b9\u6cd5\u5c06\u4efb\u52a1\u72b6\u6001\u5199\u5165 XComs\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>def my_task(**context):\n    # \u6267\u884c\u4efb\u52a1\u903b\u8f91\n    task_status = 'success' # or 'failed'\n    context['ti'].xcom_push(key='task_status', value=task_status)\n\nmy_task_operator = PythonOperator(\n    task_id='my_task',\n    python_callable=my_task,\n    provide_context=True,\n    dag=dag,\n)\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4efb\u52a1\u7ed3\u675f\u65f6\uff0c\u4f7f\u7528 BashOperator \u548c airflow CLI \u547d\u4ee4\u5c06\u4efb\u52a1\u72b6\u6001\u5199\u5165\u4efb\u52a1\u72b6\u6001\u6587\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>my_task_operator = BashOperator(\n    task_id='my_task',\n    bash_command='echo \"success\" &gt; \/tmp\/my_task_status',\n    dag=dag,\n)\n\nmy_task_operator.set_downstream(set_task_state_op)\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c<code>set_task_state_op<\/code> \u8868\u793a\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001\u7684 Operator\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u9009\u62e9\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u76d1\u63a7\u4efb\u52a1\u72b6\u6001\u548c SLA<\/li>\n<\/ol>\n\n\n\n<p>\u4efb\u52a1\u72b6\u6001\u548c SLA \u53ef\u4ee5\u5728 Airflow Web \u754c\u9762\u4e2d\u8fdb\u884c\u76d1\u63a7\u3002\u5728 DAG \u8be6\u60c5\u9875\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b\u4efb\u52a1\u7684\u72b6\u6001\u548c SLA \u662f\u5426\u7b26\u5408\u8981\u6c42\u3002\u540c\u65f6\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u90ae\u4ef6\u3001Slack \u7b49\u65b9\u5f0f\u8fdb\u884c\u544a\u8b66\u548c\u901a\u77e5\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4efb\u52a1\u72b6\u6001\u548c SLA \u673a\u5236\u5916\uff0cAirflow \u8fd8\u63d0\u4f9b\u4e86\u591a\u79cd\u76d1\u63a7\u548c\u544a\u8b66\u673a\u5236\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u4efb\u52a1\u76d1\u63a7\u548c\u7ba1\u7406\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u76d1\u63a7\u548c\u544a\u8b66\u65b9\u5f0f\uff0c\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u8fd0\u7ef4\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001\u548c SLA\uff0c\u63d0\u9ad8\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u76d1\u63a7\u548c\u544a\u8b66\u673a\u5236\uff0c\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u8fd0\u7ef4\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u90e8\u7f72\u4e0e\u5b89\u5168\u6027\u4f7f\u7528Docker\u90e8\u7f72Airflow<\/p>\n\n\n\n<p>\u4f7f\u7528 Docker \u90e8\u7f72 Airflow \u53ef\u4ee5\u7b80\u5316\u90e8\u7f72\u548c\u7ba1\u7406\u8fc7\u7a0b\uff0c\u63d0\u9ad8\u90e8\u7f72\u6548\u7387\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4e0b\u9762\u662f\u4f7f\u7528 Docker \u90e8\u7f72 Airflow \u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u88c5 Docker \u548c Docker Compose\u3002<\/li>\n\n\n\n<li>\u7f16\u5199 <code>docker-compose.yml<\/code> \u6587\u4ef6\uff0c\u914d\u7f6e Airflow \u5bb9\u5668\u548c\u76f8\u5173\u4f9d\u8d56\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">yamlCopy code<code>version: '3'\n\nservices:\n  postgres:\n    image: postgres:13\n    environment:\n      POSTGRES_USER: postgres\n      POSTGRES_PASSWORD: postgres\n      POSTGRES_DB: airflow\n\n  redis:\n    image: redis:latest\n\n  webserver:\n    build:\n      context: .\n      dockerfile: Dockerfile\n    depends_on:\n      - postgres\n      - redis\n    environment:\n      - POSTGRES_USER=postgres\n      - POSTGRES_PASSWORD=postgres\n      - POSTGRES_DB=airflow\n      - REDIS_HOST=redis\n      - EXECUTOR=CeleryExecutor\n      - FERNET_KEY=${FERNET_KEY}\n    ports:\n      - \"8080:8080\"\n    volumes:\n      - .\/dags:\/usr\/local\/airflow\/dags\n      - .\/logs:\/usr\/local\/airflow\/logs\n      - .\/plugins:\/usr\/local\/airflow\/plugins\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c<code>webserver<\/code> \u8868\u793a Airflow Web \u670d\u52a1\u5668\uff0c<code>postgres<\/code> \u8868\u793a Airflow \u4f7f\u7528\u7684 PostgreSQL \u6570\u636e\u5e93\uff0c<code>redis<\/code> \u8868\u793a Airflow \u4f7f\u7528\u7684 Redis \u670d\u52a1\u5668\u3002<code>volumes<\/code> \u5c5e\u6027\u8868\u793a\u5bb9\u5668\u4e0e\u5bbf\u4e3b\u673a\u4e4b\u95f4\u7684\u6570\u636e\u6302\u8f7d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u7f16\u5199 <code>Dockerfile<\/code> \u6587\u4ef6\uff0c\u914d\u7f6e Airflow \u5bb9\u5668\u955c\u50cf\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">dockerfileCopy code<code>FROM apache\/airflow:2.2.0\nRUN pip install --no-cache-dir redis\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c<code>apache\/airflow:2.2.0<\/code> \u8868\u793a Airflow \u5bb9\u5668\u955c\u50cf\u7248\u672c\uff0c<code>RUN<\/code> \u547d\u4ee4\u8868\u793a\u5b89\u88c5 Redis \u5ba2\u6237\u7aef\u5e93\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u6267\u884c <code>docker-compose up<\/code> \u547d\u4ee4\uff0c\u542f\u52a8 Airflow \u5bb9\u5668\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5728 Airflow \u5bb9\u5668\u90e8\u7f72\u5b8c\u6210\u540e\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff0c\u5305\u62ec\u4ee5\u4e0b\u65b9\u9762\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528 HTTPS \u534f\u8bae\u4fdd\u62a4 Web \u754c\u9762\u548c API \u63a5\u53e3\uff0c\u9632\u6b62\u6570\u636e\u88ab\u52ab\u6301\u6216\u7a83\u53d6\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5bc6\u7801\u6216\u5bc6\u94a5\u7b49\u8ba4\u8bc1\u673a\u5236\uff0c\u4fdd\u62a4\u654f\u611f\u6570\u636e\u548c\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u5bf9\u5bb9\u5668\u8fdb\u884c\u5b9a\u671f\u66f4\u65b0\u548c\u76d1\u63a7\uff0c\u4fdd\u6301\u5bb9\u5668\u5b89\u5168\u548c\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u548c\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\uff0c\u63d0\u9ad8\u5bb9\u5668\u7684\u81ea\u52a8\u5316\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528 Docker \u90e8\u7f72 Airflow \u53ef\u4ee5\u63d0\u9ad8\u90e8\u7f72\u6548\u7387\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u540c\u65f6\u4e5f\u9700\u8981\u52a0\u5f3a\u5bb9\u5668\u7684\u5b89\u5168\u6027\u548c\u76d1\u63a7\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u5bb9\u5668\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u90e8\u7f72\u4e0e\u5b89\u5168\u6027Airflow\u96c6\u7fa4\u90e8\u7f72<\/p>\n\n\n\n<p>Airflow \u96c6\u7fa4\u90e8\u7f72\u662f\u6307\u5c06 Airflow \u7ec4\u4ef6\u90e8\u7f72\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\u548c\u6269\u5c55\u6027\u3002Airflow \u96c6\u7fa4\u90e8\u7f72\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u90e8\u7f72\u67b6\u6784<\/li>\n<\/ol>\n\n\n\n<p>Airflow \u96c6\u7fa4\u90e8\u7f72\u67b6\u6784\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u5f62\u5f0f\uff0c\u5982\u4e3b\u4ece\u6a21\u5f0f\u3001\u5206\u5e03\u5f0f\u6a21\u5f0f\u3001\u6df7\u5408\u6a21\u5f0f\u7b49\u3002\u4e3b\u4ece\u6a21\u5f0f\u662f\u6307\u5c06 Airflow \u7ec4\u4ef6\u90e8\u7f72\u5230\u4e24\u4e2a\u8282\u70b9\u4e0a\uff0c\u5176\u4e2d\u4e00\u4e2a\u8282\u70b9\u4f5c\u4e3a\u4e3b\u8282\u70b9\uff0c\u8d1f\u8d23\u4efb\u52a1\u8c03\u5ea6\u548c\u7ba1\u7406\uff0c\u53e6\u4e00\u4e2a\u8282\u70b9\u4f5c\u4e3a\u4ece\u8282\u70b9\uff0c\u8d1f\u8d23\u4efb\u52a1\u6267\u884c\u3002\u5206\u5e03\u5f0f\u6a21\u5f0f\u662f\u6307\u5c06 Airflow \u7ec4\u4ef6\u90e8\u7f72\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u53ef\u4ee5\u6309\u7167\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u8d44\u6e90\u914d\u7f6e\u6765\u9009\u62e9\u8282\u70b9\u6570\u91cf\u548c\u914d\u7f6e\u65b9\u5f0f\u3002\u6df7\u5408\u6a21\u5f0f\u662f\u6307\u5c06 Airflow \u7ec4\u4ef6\u90e8\u7f72\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u540c\u65f6\u4f7f\u7528\u4e3b\u4ece\u548c\u5206\u5e03\u5f0f\u6a21\u5f0f\uff0c\u4ee5\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u9760\u7684\u90e8\u7f72\u65b9\u6848\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5b89\u5168\u673a\u5236<\/li>\n<\/ol>\n\n\n\n<p>Airflow \u96c6\u7fa4\u90e8\u7f72\u9700\u8981\u52a0\u5f3a\u5b89\u5168\u673a\u5236\uff0c\u5305\u62ec\u4ee5\u4e0b\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 HTTPS \u534f\u8bae\u4fdd\u62a4 Web \u754c\u9762\u548c API \u63a5\u53e3\uff0c\u9632\u6b62\u6570\u636e\u88ab\u52ab\u6301\u6216\u7a83\u53d6\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5bc6\u7801\u6216\u5bc6\u94a5\u7b49\u8ba4\u8bc1\u673a\u5236\uff0c\u4fdd\u62a4\u654f\u611f\u6570\u636e\u548c\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u5bf9\u5bb9\u5668\u8fdb\u884c\u5b9a\u671f\u66f4\u65b0\u548c\u76d1\u63a7\uff0c\u4fdd\u6301\u5bb9\u5668\u5b89\u5168\u548c\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u548c\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\uff0c\u63d0\u9ad8\u5bb9\u5668\u7684\u81ea\u52a8\u5316\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u9632\u706b\u5899\u548c\u7f51\u7edc\u9694\u79bb\u673a\u5236\uff0c\u9632\u6b62\u5916\u90e8\u653b\u51fb\u548c\u5185\u90e8\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u9ad8\u53ef\u7528\u6027<\/li>\n<\/ol>\n\n\n\n<p>Airflow \u96c6\u7fa4\u90e8\u7f72\u9700\u8981\u4fdd\u8bc1\u9ad8\u53ef\u7528\u6027\uff0c\u4ee5\u9632\u6b62\u5355\u70b9\u6545\u969c\u5bfc\u81f4\u4efb\u52a1\u6267\u884c\u5931\u8d25\u3002\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u5f0f\u63d0\u9ad8\u9ad8\u53ef\u7528\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5c06\u4efb\u52a1\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u4e3b\u4ece\u6a21\u5f0f\uff0c\u786e\u4fdd\u4e3b\u8282\u70b9\u6545\u969c\u65f6\u53ef\u4ee5\u81ea\u52a8\u5207\u6362\u5230\u4ece\u8282\u70b9\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u6570\u636e\u5907\u4efd\u548c\u6062\u590d\u673a\u5236\uff0c\u4fdd\u8bc1\u4efb\u52a1\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u548c\u5bb9\u5668\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\uff0c\u63d0\u9ad8\u5bb9\u5668\u7684\u5f39\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u96c6\u7fa4\u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u8d44\u6e90\u914d\u7f6e\uff0c\u9009\u62e9\u5408\u9002\u7684\u90e8\u7f72\u67b6\u6784\u548c\u5b89\u5168\u673a\u5236\uff0c\u540c\u65f6\u4e5f\u9700\u8981\u4fdd\u8bc1\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u4ee5\u786e\u4fdd\u4efb\u52a1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u90e8\u7f72\u4e0e\u5b89\u5168\u6027\u914d\u7f6eAirflow\u8ba4\u8bc1\u548c\u6388\u6743<\/p>\n\n\n\n<p>Airflow \u8ba4\u8bc1\u548c\u6388\u6743\u662f\u4fdd\u62a4 Airflow \u5b89\u5168\u6027\u7684\u91cd\u8981\u624b\u6bb5\uff0c\u53ef\u4ee5\u9650\u5236\u7528\u6237\u8bbf\u95ee\u548c\u64cd\u4f5c Airflow Web \u754c\u9762\u548c API \u63a5\u53e3\u7684\u6743\u9650\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u8ba4\u8bc1\u548c\u6388\u6743\u65b9\u5f0f\uff0c\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Basic \u8ba4\u8bc1<\/li>\n<\/ol>\n\n\n\n<p>Basic \u8ba4\u8bc1\u662f\u6700\u7b80\u5355\u7684\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u901a\u8fc7\u7528\u6237\u540d\u548c\u5bc6\u7801\u5bf9\u7528\u6237\u8fdb\u884c\u8ba4\u8bc1\u3002\u53ef\u4ee5\u4f7f\u7528 Apache \u6216 Nginx \u7b49 Web \u670d\u52a1\u5668\u63d0\u4f9b\u7684 Basic \u8ba4\u8bc1\u6a21\u5757\uff0c\u5bf9 Airflow Web \u754c\u9762\u8fdb\u884c\u8ba4\u8bc1\u3002\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e <code>webserver_authenticate<\/code> \u548c <code>webserver_user<\/code> \u53c2\u6570\u6765\u542f\u7528 Basic \u8ba4\u8bc1\uff0c\u5e76\u8bbe\u7f6e\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>LDAP \u8ba4\u8bc1<\/li>\n<\/ol>\n\n\n\n<p>LDAP \u8ba4\u8bc1\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4f01\u4e1a\u7ea7\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u73b0\u6709\u7684 LDAP \u76ee\u5f55\u670d\u52a1\u5bf9\u7528\u6237\u8fdb\u884c\u8ba4\u8bc1\u3002\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e <code>authenticate<\/code> \u548c <code>auth_backend<\/code> \u53c2\u6570\u6765\u542f\u7528 LDAP \u8ba4\u8bc1\uff0c\u5e76\u8bbe\u7f6e LDAP \u670d\u52a1\u5668\u548c\u7528\u6237\u4fe1\u606f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>OAuth2 \u8ba4\u8bc1<\/li>\n<\/ol>\n\n\n\n<p>OAuth2 \u8ba4\u8bc1\u662f\u4e00\u79cd\u57fa\u4e8e\u4ee4\u724c\u7684\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5355\u70b9\u767b\u5f55\u548c\u5b89\u5168\u6388\u6743\u7b49\u529f\u80fd\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Flask-AppBuilder \u63d0\u4f9b\u7684 OAuth2 \u8ba4\u8bc1\u6a21\u5757\uff0c\u5bf9 Airflow Web \u754c\u9762\u8fdb\u884c\u8ba4\u8bc1\u3002\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e <code>rbac<\/code> \u548c <code>auth_type<\/code> \u53c2\u6570\u6765\u542f\u7528 OAuth2 \u8ba4\u8bc1\uff0c\u5e76\u8bbe\u7f6e OAuth2 \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4fe1\u606f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>RBAC \u6388\u6743<\/li>\n<\/ol>\n\n\n\n<p>RBAC \u6388\u6743\u662f\u4e00\u79cd\u57fa\u4e8e\u89d2\u8272\u7684\u6388\u6743\u65b9\u5f0f\uff0c\u53ef\u4ee5\u63a7\u5236\u7528\u6237\u8bbf\u95ee\u548c\u64cd\u4f5c Airflow Web \u754c\u9762\u548c API \u63a5\u53e3\u7684\u6743\u9650\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Flask-AppBuilder \u63d0\u4f9b\u7684 RBAC \u6388\u6743\u6a21\u5757\uff0c\u5bf9 Airflow Web \u754c\u9762\u8fdb\u884c\u6388\u6743\u3002\u5728 Airflow \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e <code>rbac<\/code> \u53c2\u6570\u6765\u542f\u7528 RBAC \u6388\u6743\uff0c\u5e76\u8bbe\u7f6e\u7528\u6237\u89d2\u8272\u548c\u6743\u9650\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728 Airflow \u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u5b89\u5168\u8981\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u8ba4\u8bc1\u548c\u6388\u6743\u65b9\u5f0f\uff0c\u5e76\u4e25\u683c\u9650\u5236\u7528\u6237\u6743\u9650\uff0c\u4ee5\u786e\u4fdd Airflow \u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u81ea\u5b9a\u4e49\u63d2\u4ef6\u548cOperator\u63d2\u4ef6\u7cfb\u7edf\u4ecb\u7ecd<\/p>\n\n\n\n<p>Airflow \u81ea\u5b9a\u4e49\u63d2\u4ef6\u548c Operator \u63d2\u4ef6\u662f\u6269\u5c55 Airflow \u529f\u80fd\u7684\u91cd\u8981\u624b\u6bb5\uff0c\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u548c\u8d44\u6e90\u914d\u7f6e\uff0c\u81ea\u5b9a\u4e49\u5b9e\u73b0\u4e00\u4e9b\u65b0\u7684 Operator \u548c\u63d2\u4ef6\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u652f\u6301\u4efb\u52a1\u6d41\u7a0b\u7684\u7ba1\u7406\u548c\u6267\u884c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Operator \u63d2\u4ef6\u7cfb\u7edf\u4ecb\u7ecd<\/li>\n<\/ol>\n\n\n\n<p>Operator \u63d2\u4ef6\u7cfb\u7edf\u662f Airflow \u63d0\u4f9b\u7684\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u6269\u5c55\u73b0\u6709\u7684 Operator \u529f\u80fd\u6216\u81ea\u5b9a\u4e49\u65b0\u7684 Operator \u7c7b\u578b\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 Operator \u63d2\u4ef6\u7cfb\u7edf\u6765\u6dfb\u52a0\u65b0\u7684 Operator \u7c7b\u578b\u6216\u81ea\u5b9a\u4e49\u73b0\u6709\u7684 Operator \u7c7b\u578b\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u4e1a\u52a1\u9700\u6c42\u3002Operator \u63d2\u4ef6\u7cfb\u7edf\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a Python \u6a21\u5757\uff0c\u5176\u4e2d\u5305\u542b Operator \u7c7b\u548c\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\uff0c\u5982\u6a21\u677f\u3001\u53c2\u6570\u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Airflow \u81ea\u5b9a\u4e49\u63d2\u4ef6<\/li>\n<\/ol>\n\n\n\n<p>Airflow \u81ea\u5b9a\u4e49\u63d2\u4ef6\u662f\u4e00\u79cd\u901a\u7528\u7684\u63d2\u4ef6\u673a\u5236\uff0c\u7528\u4e8e\u6269\u5c55 Airflow \u7684\u529f\u80fd\uff0c\u5305\u62ec Hook\u3001Sensor\u3001Macro\u3001Executor\u3001Web UI \u7b49\u65b9\u9762\u3002\u5728 Airflow \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u63d2\u4ef6\u6765\u5b9e\u73b0\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\uff0c\u5982\u81ea\u5b9a\u4e49 Hook \u6216 Sensor\u3001\u6269\u5c55 Executor\u3001\u6dfb\u52a0\u81ea\u5b9a\u4e49 Web UI \u9875\u9762\u7b49\u3002\u81ea\u5b9a\u4e49\u63d2\u4ef6\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a Python \u6a21\u5757\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e9b\u7279\u5b9a\u7684\u51fd\u6570\u548c\u7c7b\uff0c\u5982 <code>defaul_plugin<\/code> \u51fd\u6570\u3001<code>hooks<\/code> \u7c7b\u3001<code>operators<\/code> \u7c7b\u7b49\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cAirflow \u81ea\u5b9a\u4e49\u63d2\u4ef6\u548c Operator \u63d2\u4ef6\u662f\u6269\u5c55 Airflow \u529f\u80fd\u7684\u91cd\u8981\u673a\u5236\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u8d44\u6e90\u914d\u7f6e\uff0c\u81ea\u5b9a\u4e49\u5b9e\u73b0\u4e00\u4e9b\u65b0\u7684 Operator \u548c\u63d2\u4ef6\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u652f\u6301\u4efb\u52a1\u6d41\u7a0b\u7684\u7ba1\u7406\u548c\u6267\u884c\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u6269\u5c55\u673a\u5236\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8 Airflow \u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u597d\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u7ba1\u7406\u4f53\u9a8c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u81ea\u5b9a\u4e49\u63d2\u4ef6\u548cOperator\u7f16\u5199\u81ea\u5b9a\u4e49Operator<\/p>\n\n\n\n<p>Airflow \u81ea\u5b9a\u4e49 Operator \u662f\u901a\u8fc7\u7ee7\u627f <code>BaseOperator<\/code> \u7c7b\u5e76\u5b9e\u73b0 <code>execute()<\/code> \u65b9\u6cd5\u6765\u521b\u5efa\u7684\u3002\u901a\u8fc7\u7f16\u5199\u81ea\u5b9a\u4e49 Operator\uff0c\u53ef\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u6bd4\u5982\u4e0e\u7279\u5b9a\u7684\u6570\u636e\u6e90\u96c6\u6210\u3001\u6267\u884c\u81ea\u5b9a\u4e49\u7b97\u6cd5\u7b49\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u7f16\u5199\u81ea\u5b9a\u4e49 Operator \u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa Python \u6a21\u5757<\/li>\n<\/ol>\n\n\n\n<p>\u9996\u5148\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a Python \u6a21\u5757\uff0c\u7528\u4e8e\u5b58\u653e\u81ea\u5b9a\u4e49 Operator \u7684\u4ee3\u7801\u3002\u53ef\u4ee5\u5728 Airflow \u5b89\u88c5\u76ee\u5f55\u4e0b\u7684 <code>dags<\/code> \u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Python \u6587\u4ef6\uff0c\u6bd4\u5982 <code>my_operator.py<\/code>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5bfc\u5165\u4f9d\u8d56\u5305<\/li>\n<\/ol>\n\n\n\n<p>\u5728 Python \u6a21\u5757\u4e2d\uff0c\u9700\u8981\u5bfc\u5165 <code>BaseOperator<\/code> \u7c7b\u548c\u5176\u4ed6\u5fc5\u8981\u7684\u4f9d\u8d56\u5305\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>from airflow.models.baseoperator import BaseOperator\nfrom airflow.utils.decorators import apply_defaults\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u521b\u5efa\u81ea\u5b9a\u4e49 Operator \u7c7b<\/li>\n<\/ol>\n\n\n\n<p>\u901a\u8fc7\u7ee7\u627f <code>BaseOperator<\/code> \u7c7b\uff0c\u5e76\u5b9e\u73b0 <code>execute()<\/code> \u65b9\u6cd5\u6765\u521b\u5efa\u81ea\u5b9a\u4e49 Operator \u7c7b\u3002\u5728\u81ea\u5b9a\u4e49 Operator \u7c7b\u4e2d\uff0c\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e9b\u989d\u5916\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4ee5\u5b9e\u73b0\u7279\u5b9a\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">rubyCopy code<code>class MyOperator(BaseOperator):\n    @apply_defaults\n    def __init__(self, my_arg, *args, **kwargs):\n        super(MyOperator, self).__init__(*args, **kwargs)\n        self.my_arg = my_arg\n\n    def execute(self, context):\n        # \u81ea\u5b9a\u4e49\u903b\u8f91\n        pass\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>MyOperator<\/code> \u7c7b\u7ee7\u627f\u81ea <code>BaseOperator<\/code> \u7c7b\uff0c\u5e76\u5728 <code>__init__()<\/code> \u65b9\u6cd5\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e2a\u989d\u5916\u7684\u53c2\u6570 <code>my_arg<\/code>\uff0c\u540c\u65f6\u901a\u8fc7 <code>@apply_defaults<\/code> \u88c5\u9970\u5668\u6307\u5b9a\u4e86\u9ed8\u8ba4\u53c2\u6570\u3002\u5728 <code>execute()<\/code> \u65b9\u6cd5\u4e2d\uff0c\u53ef\u4ee5\u6dfb\u52a0\u81ea\u5b9a\u4e49\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u914d\u7f6e DAG \u6587\u4ef6<\/li>\n<\/ol>\n\n\n\n<p>\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>PythonOperator<\/code> \u7c7b\u6765\u5f15\u7528\u81ea\u5b9a\u4e49 Operator\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javaCopy code<code>from my_operator import MyOperator\n\nmy_task = MyOperator(\n    task_id='my_task',\n    my_arg='my_value',\n    dag=dag\n)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7 <code>MyOperator<\/code> \u7c7b\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a <code>my_task<\/code> \u7684\u4efb\u52a1\uff0c\u5e76\u4f20\u9012\u4e86\u989d\u5916\u7684\u53c2\u6570 <code>my_arg<\/code>\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u50cf\u4f7f\u7528\u5176\u4ed6 Operator \u4e00\u6837\uff0c\u5bf9\u8be5\u4efb\u52a1\u8bbe\u7f6e\u4f9d\u8d56\u5173\u7cfb\u548c\u5176\u4ed6\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u901a\u8fc7\u7f16\u5199\u81ea\u5b9a\u4e49 Operator\uff0c\u53ef\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u589e\u5f3a Airflow \u7684\u529f\u80fd\u548c\u6269\u5c55\u6027\u3002\u5728\u7f16\u5199\u81ea\u5b9a\u4e49 Operator \u65f6\uff0c\u9700\u8981\u6ce8\u610f\u9075\u5faa Airflow \u7684\u7f16\u7a0b\u6a21\u5f0f\u548c\u89c4\u8303\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u81ea\u5b9a\u4e49\u63d2\u4ef6\u548cOperator\u5c06\u81ea\u5b9a\u4e49Operator\u6dfb\u52a0\u5230Airflow\u4e2d<\/p>\n\n\n\n<p>\u5c06\u81ea\u5b9a\u4e49 Operator \u6dfb\u52a0\u5230 Airflow \u4e2d\u9700\u8981\u8fdb\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa\u63d2\u4ef6<\/li>\n<\/ol>\n\n\n\n<p>\u9996\u5148\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u63d2\u4ef6\u6765\u5b58\u653e\u81ea\u5b9a\u4e49 Operator \u7684\u4ee3\u7801\u3002\u63d2\u4ef6\u662f Airflow \u4e2d\u4e00\u7ec4\u76f8\u5173\u7684 Operator\u3001Sensor\u3001Hook\u3001Macro \u7b49\u7684\u96c6\u5408\u3002\u53ef\u4ee5\u5728 Airflow \u5b89\u88c5\u76ee\u5f55\u4e0b\u7684 <code>plugins<\/code> \u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Python \u6a21\u5757\uff0c\u6bd4\u5982 <code>my_plugin.py<\/code>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u7f16\u5199\u81ea\u5b9a\u4e49 Operator<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u63d2\u4ef6\u4e2d\u7f16\u5199\u81ea\u5b9a\u4e49 Operator\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u524d\u9762\u7684\u56de\u7b54\u6240\u8ff0\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u6ce8\u518c Operator<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u63d2\u4ef6\u4e2d\u6ce8\u518c\u81ea\u5b9a\u4e49 Operator\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>AirflowPlugin<\/code> \u7c7b\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>from airflow.plugins_manager import AirflowPlugin\n\nclass MyPlugin(AirflowPlugin):\n    name = 'my_plugin'\n    operators = [MyOperator]\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7 <code>MyPlugin<\/code> \u7c7b\u6ce8\u518c\u4e86\u540d\u4e3a <code>my_plugin<\/code> \u7684\u63d2\u4ef6\uff0c\u5e76\u5c06\u81ea\u5b9a\u4e49 Operator <code>MyOperator<\/code> \u6dfb\u52a0\u5230\u63d2\u4ef6\u7684 Operator \u5217\u8868\u4e2d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u542f\u7528\u63d2\u4ef6<\/li>\n<\/ol>\n\n\n\n<p>\u6700\u540e\uff0c\u9700\u8981\u5728 Airflow \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u542f\u7528\u63d2\u4ef6\u3002\u53ef\u4ee5\u5728 <code>airflow.cfg<\/code> \u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>[core]<\/code> \u6bb5\u843d\u4e2d\uff0c\u5c06\u63d2\u4ef6\u5217\u8868\u6dfb\u52a0\u5230 <code>plugins_folder<\/code> \u914d\u7f6e\u9879\u4e2d\uff0c\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>plugins_folder = \/path\/to\/plugins_folder, \/path\/to\/my_plugin\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>\/path\/to\/my_plugin<\/code> \u662f\u5305\u542b\u81ea\u5b9a\u4e49\u63d2\u4ef6\u7684\u76ee\u5f55\u8def\u5f84\u3002<\/p>\n\n\n\n<p>\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0c\u53ef\u4ee5\u5728 Airflow \u4e2d\u4f7f\u7528\u81ea\u5b9a\u4e49 Operator\uff0c\u5c31\u50cf\u4f7f\u7528\u5176\u4ed6 Operator \u4e00\u6837\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5c06\u81ea\u5b9a\u4e49 Operator \u6dfb\u52a0\u5230 Airflow \u4e2d\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u63d2\u4ef6\u3001\u7f16\u5199\u81ea\u5b9a\u4e49 Operator\u3001\u6ce8\u518c Operator \u5e76\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u542f\u7528\u63d2\u4ef6\u3002\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5c06\u81ea\u5b9a\u4e49 Operator \u6dfb\u52a0\u5230 Airflow \u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u7279\u5b9a\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6700\u4f73\u5b9e\u8df5\u4ee3\u7801\u7ec4\u7ec7\u4e0e\u6a21\u5757\u5316<\/p>\n\n\n\n<p>Airflow \u6700\u4f73\u5b9e\u8df5\u4e2d\uff0c\u4ee3\u7801\u7ec4\u7ec7\u548c\u6a21\u5757\u5316\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u65b9\u9762\u3002\u901a\u8fc7\u826f\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u548c\u6a21\u5757\u5316\uff0c\u53ef\u4ee5\u4f7f Airflow DAG \u6587\u4ef6\u66f4\u6613\u4e8e\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u7528\u4e8e\u7ec4\u7ec7\u548c\u6a21\u5757\u5316 Airflow DAG \u6587\u4ef6\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u4efb\u52a1\u62c6\u5206\u4e3a\u6a21\u5757<\/li>\n<\/ol>\n\n\n\n<p>\u5c06\u4efb\u52a1\u62c6\u5206\u4e3a\u6a21\u5757\uff0c\u53ef\u4ee5\u4f7f DAG \u6587\u4ef6\u66f4\u6613\u4e8e\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>tasks<\/code> \u7684\u76ee\u5f55\uff0c\u7528\u4e8e\u5b58\u653e\u5404\u4e2a\u4efb\u52a1\u7684\u4ee3\u7801\u3002\u5728 <code>tasks<\/code> \u76ee\u5f55\u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a Python \u6a21\u5757\uff0c\u6bcf\u4e2a\u6a21\u5757\u5bf9\u5e94\u4e00\u4e2a\u4efb\u52a1\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6<\/li>\n<\/ol>\n\n\n\n<p>\u53ef\u4ee5\u5c06 DAG \u4e2d\u7684\u5e38\u91cf\u548c\u914d\u7f6e\u653e\u5165\u5355\u72ec\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4ee5\u907f\u514d\u786c\u7f16\u7801\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>config.py<\/code> \u7684 Python \u6a21\u5757\uff0c\u7528\u4e8e\u5b58\u653e\u5404\u4e2a\u4efb\u52a1\u7684\u914d\u7f6e\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>import<\/code> \u8bed\u53e5\u6765\u4f7f\u7528\u914d\u7f6e\u9879\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u4f7f\u7528\u6a21\u677f\u548c\u53d8\u91cf<\/li>\n<\/ol>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u548c\u53d8\u91cf\u6765\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\u4f7f\u7528 Jinja \u6a21\u677f\u6765\u751f\u6210 SQL \u8bed\u53e5\uff0c\u4ee5\u907f\u514d\u786c\u7f16\u7801\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 Airflow \u53d8\u91cf\u6765\u7ba1\u7406\u6a21\u677f\u548c\u53d8\u91cf\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u62bd\u8c61\u5171\u4eab\u4ee3\u7801<\/li>\n<\/ol>\n\n\n\n<p>\u53ef\u4ee5\u5c06 DAG \u4e2d\u7684\u5171\u4eab\u4ee3\u7801\u62bd\u8c61\u5230\u5355\u72ec\u7684 Python \u6a21\u5757\u4e2d\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>utils.py<\/code> \u7684\u6a21\u5757\uff0c\u7528\u4e8e\u5b58\u653e\u5171\u4eab\u4ee3\u7801\uff0c\u6bd4\u5982\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6570\u636e\u5904\u7406\u51fd\u6570\u7b49\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>import<\/code> \u8bed\u53e5\u6765\u4f7f\u7528\u5171\u4eab\u4ee3\u7801\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u4f7f\u7528\u5b8f\u548c\u51fd\u6570<\/li>\n<\/ol>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u5b8f\u548c\u51fd\u6570\u6765\u7b80\u5316 DAG \u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u5728 DAG \u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e00\u4e9b\u5e38\u7528\u7684\u5b8f\u548c\u51fd\u6570\uff0c\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u91cf\u5e76\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u4f7f\u7528\u6ce8\u91ca<\/li>\n<\/ol>\n\n\n\n<p>\u5728 DAG \u6587\u4ef6\u4e2d\u6dfb\u52a0\u6ce8\u91ca\u53ef\u4ee5\u5e2e\u52a9\u9610\u660e\u4ee3\u7801\u610f\u56fe\u548c\u4efb\u52a1\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5728\u6ce8\u91ca\u4e2d\u53ef\u4ee5\u5305\u542b\u4efb\u52a1\u63cf\u8ff0\u3001\u4f9d\u8d56\u5173\u7cfb\u3001\u53d8\u91cf\u548c\u914d\u7f6e\u4fe1\u606f\u7b49\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u901a\u8fc7\u826f\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u548c\u6a21\u5757\u5316\uff0c\u53ef\u4ee5\u4f7f Airflow DAG \u6587\u4ef6\u66f4\u6613\u4e8e\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u6269\u5c55\u3002\u5728\u7ec4\u7ec7\u548c\u6a21\u5757\u5316 DAG \u6587\u4ef6\u65f6\uff0c\u9700\u8981\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u6bd4\u5982\u5c06\u4efb\u52a1\u62c6\u5206\u4e3a\u6a21\u5757\u3001\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u3001\u4f7f\u7528\u6a21\u677f\u548c\u53d8\u91cf\u3001\u62bd\u8c61\u5171\u4eab\u4ee3\u7801\u3001\u4f7f\u7528\u5b8f\u548c\u51fd\u6570\u4ee5\u53ca\u4f7f\u7528\u6ce8\u91ca\u7b49\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6700\u4f73\u5b9e\u8df5\u4ee3\u4f7f\u7528\u52a8\u6001\u751f\u6210\u7684DAG<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u52a8\u6001\u751f\u6210\u7684 DAG \u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u548c\u7075\u6d3b\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u751f\u6210\u548c\u7ba1\u7406\u4efb\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u7528\u4e8e\u4f7f\u7528\u52a8\u6001\u751f\u6210\u7684 DAG\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce<\/li>\n<\/ol>\n\n\n\n<p>Jinja \u6a21\u677f\u5f15\u64ce\u662f Airflow \u52a8\u6001\u751f\u6210 DAG \u7684\u4e3b\u8981\u65b9\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u6765\u751f\u6210 DAG \u7684\u540d\u79f0\u3001\u63cf\u8ff0\u3001\u4efb\u52a1\u3001\u4f9d\u8d56\u5173\u7cfb\u3001\u9ed8\u8ba4\u53c2\u6570\u7b49\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>{% ... %}<\/code> \u6765\u63d2\u5165 Jinja \u6a21\u677f\u4ee3\u7801\uff0c\u4f8b\u5982 <code>{% for i in range(10) %}<\/code>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u4f7f\u7528\u53c2\u6570\u5316 DAG<\/li>\n<\/ol>\n\n\n\n<p>\u53c2\u6570\u5316 DAG \u53ef\u4ee5\u4f7f DAG \u7684\u751f\u6210\u66f4\u52a0\u7075\u6d3b\u3002\u53ef\u4ee5\u4f7f\u7528 Airflow \u53d8\u91cf\u6765\u5b58\u50a8 DAG \u7684\u53c2\u6570\uff0c\u4f8b\u5982\u65e5\u671f\u8303\u56f4\u3001\u6570\u636e\u6e90\u540d\u79f0\u3001\u8868\u540d\u7b49\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 Jinja \u6a21\u677f\u5f15\u64ce\u548c Airflow \u53d8\u91cf\u6765\u52a8\u6001\u751f\u6210 DAG\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u907f\u514d\u91cd\u590d\u4ee3\u7801<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u52a8\u6001\u751f\u6210 DAG \u65f6\uff0c\u9700\u8981\u6ce8\u610f\u907f\u514d\u91cd\u590d\u4ee3\u7801\u3002\u53ef\u4ee5\u5c06\u5171\u4eab\u4ee3\u7801\u63d0\u53d6\u5230\u5355\u72ec\u7684\u51fd\u6570\u6216\u7c7b\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u7684\u5730\u65b9\u8fdb\u884c\u8c03\u7528\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u91cd\u590d\uff0c\u4f7f DAG \u7684\u751f\u6210\u66f4\u52a0\u7b80\u5355\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u52a8\u6001\u751f\u6210 DAG \u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u8bed\u6cd5\u9519\u8bef\u3001\u53c2\u6570\u9519\u8bef\u6216\u903b\u8f91\u9519\u8bef\u7b49\u95ee\u9898\u3002\u53ef\u4ee5\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u6765\u5e2e\u52a9\u8c03\u8bd5 DAG\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>airflow test<\/code> \u547d\u4ee4\u6765\u5355\u72ec\u6d4b\u8bd5 DAG \u4e2d\u7684\u4efb\u52a1\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u68c0\u67e5 DAG \u7684\u53ef\u89c6\u5316\u56fe<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u52a8\u6001\u751f\u6210 DAG \u540e\uff0c\u53ef\u4ee5\u68c0\u67e5 DAG \u7684\u53ef\u89c6\u5316\u56fe\uff0c\u4ee5\u786e\u4fdd DAG \u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u4efb\u52a1\u8bbe\u7f6e\u6b63\u786e\u3002\u53ef\u4ee5\u4f7f\u7528 Airflow Web \u754c\u9762\u6765\u67e5\u770b DAG \u7684\u53ef\u89c6\u5316\u56fe\uff0c\u5e76\u68c0\u67e5\u4efb\u52a1\u7684\u72b6\u6001\u548c\u6267\u884c\u65f6\u95f4\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728\u4f7f\u7528\u52a8\u6001\u751f\u6210 DAG \u65f6\uff0c\u9700\u8981\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u4f7f\u7528 Jinja \u6a21\u677f\u5f15\u64ce\u3001\u4f7f\u7528\u53c2\u6570\u5316 DAG\u3001\u907f\u514d\u91cd\u590d\u4ee3\u7801\u3001\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u548c\u68c0\u67e5 DAG \u7684\u53ef\u89c6\u5316\u56fe\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u4ee5\u4f7f\u52a8\u6001\u751f\u6210 DAG \u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u7ef4\u62a4\u548c\u53ef\u6269\u5c55\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6700\u4f73\u5b9e\u8df5\u4ee3\u4efb\u52a1\u91cd\u8bd5\u7b56\u7565<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u4efb\u52a1\u91cd\u8bd5\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5904\u7406\u4efb\u52a1\u5931\u8d25\u548c\u5f02\u5e38\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u7528\u4e8e\u4efb\u52a1\u91cd\u8bd5\u7b56\u7565\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u542f\u7528\u4efb\u52a1\u91cd\u8bd5<\/li>\n<\/ol>\n\n\n\n<p>\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u5e94\u8be5\u542f\u7528\u4efb\u52a1\u91cd\u8bd5\u673a\u5236\uff0c\u5e76\u8bbe\u7f6e\u91cd\u8bd5\u6b21\u6570\u548c\u91cd\u8bd5\u95f4\u9694\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cAirflow \u4f1a\u5728\u4efb\u52a1\u5931\u8d25\u65f6\u5c1d\u8bd5 3 \u6b21\u91cd\u8bd5\uff0c\u6bcf\u6b21\u91cd\u8bd5\u4e4b\u95f4\u95f4\u9694 5 \u5206\u949f\u3002\u53ef\u4ee5\u901a\u8fc7 DAG \u4e2d\u7684 <code>retries<\/code> \u548c <code>retry_delay<\/code> \u53c2\u6570\u6765\u8bbe\u7f6e\u91cd\u8bd5\u6b21\u6570\u548c\u91cd\u8bd5\u95f4\u9694\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u4f7f\u7528 backoff \u7b56\u7565<\/li>\n<\/ol>\n\n\n\n<p>backoff \u7b56\u7565\u53ef\u4ee5\u4f7f\u4efb\u52a1\u91cd\u8bd5\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u3002\u5728 backoff \u7b56\u7565\u4e2d\uff0c\u4efb\u52a1\u91cd\u8bd5\u7684\u65f6\u95f4\u95f4\u9694\u4f1a\u968f\u7740\u91cd\u8bd5\u6b21\u6570\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5728\u7b2c\u4e00\u6b21\u91cd\u8bd5\u65f6\u7b49\u5f85 1 \u5206\u949f\uff0c\u7b2c\u4e8c\u6b21\u91cd\u8bd5\u65f6\u7b49\u5f85 2 \u5206\u949f\uff0c\u7b2c\u4e09\u6b21\u91cd\u8bd5\u65f6\u7b49\u5f85 4 \u5206\u949f\u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u907f\u514d\u65e0\u9650\u91cd\u8bd5<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u4efb\u52a1\u5931\u8d25\u65f6\uff0c\u5e94\u8be5\u907f\u514d\u65e0\u9650\u91cd\u8bd5\u3002\u53ef\u4ee5\u8bbe\u7f6e\u6700\u5927\u91cd\u8bd5\u6b21\u6570\u548c\u6700\u5927\u91cd\u8bd5\u65f6\u95f4\uff0c\u4ee5\u9632\u6b62\u4efb\u52a1\u65e0\u9650\u91cd\u8bd5\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>max_retry<\/code> \u548c <code>retry_exponential_backoff<\/code> \u53c2\u6570\u6765\u63a7\u5236\u4efb\u52a1\u91cd\u8bd5\u7684\u6700\u5927\u6b21\u6570\u548c\u65f6\u95f4\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u8bbe\u7f6e\u4efb\u52a1\u5931\u8d25\u7684\u9608\u503c<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u4efb\u52a1\u5931\u8d25\u65f6\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u9608\u503c\u6765\u89e6\u53d1\u544a\u8b66\u6216\u901a\u77e5\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5f53\u4efb\u52a1\u91cd\u8bd5\u6b21\u6570\u8d85\u8fc7 3 \u6b21\u65f6\u89e6\u53d1\u544a\u8b66\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u4efb\u52a1\u95ee\u9898\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u4f7f\u7528\u8865\u507f\u673a\u5236<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u4efb\u52a1\u5931\u8d25\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8865\u507f\u673a\u5236\u6765\u6062\u590d\u4efb\u52a1\u6267\u884c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528\u8865\u507f\u51fd\u6570\u6765\u56de\u6eda\u4efb\u52a1\u5e76\u6e05\u7406\u4e2d\u95f4\u72b6\u6001\u3002\u5728 DAG \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>on_failure_callback<\/code> \u53c2\u6570\u6765\u8bbe\u7f6e\u4efb\u52a1\u5931\u8d25\u65f6\u7684\u56de\u8c03\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728\u4efb\u52a1\u91cd\u8bd5\u7b56\u7565\u4e2d\uff0c\u9700\u8981\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u542f\u7528\u4efb\u52a1\u91cd\u8bd5\u3001\u4f7f\u7528 backoff \u7b56\u7565\u3001\u907f\u514d\u65e0\u9650\u91cd\u8bd5\u3001\u8bbe\u7f6e\u4efb\u52a1\u5931\u8d25\u7684\u9608\u503c\u548c\u4f7f\u7528\u8865\u507f\u673a\u5236\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u4ee5\u4f7f\u4efb\u52a1\u91cd\u8bd5\u66f4\u52a0\u667a\u80fd\u3001\u9ad8\u6548\u548c\u53ef\u9760\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caAirflow\u6700\u4f73\u5b9e\u8df5\u9ad8\u53ef\u7528\u6027\u4e0e\u6545\u969c\u8f6c\u79fb<\/p>\n\n\n\n<p>\u5728 Airflow \u4e2d\uff0c\u9ad8\u53ef\u7528\u6027\u548c\u6545\u969c\u8f6c\u79fb\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4fdd\u6301 Airflow \u670d\u52a1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u7528\u4e8e\u9ad8\u53ef\u7528\u6027\u548c\u6545\u969c\u8f6c\u79fb\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528 Airflow \u96c6\u7fa4<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5e94\u8be5\u4f7f\u7528 Airflow \u96c6\u7fa4\u6765\u63d0\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u9519\u6027\u3002\u5728 Airflow \u96c6\u7fa4\u4e2d\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a Airflow \u8282\u70b9\u8fd0\u884c\u540c\u4e00\u4e2a DAG\uff0c\u5e76\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u5668\u6765\u5747\u8861\u8d1f\u8f7d\u548c\u6545\u969c\u8f6c\u79fb\u3002\u5982\u679c\u4e00\u4e2a\u8282\u70b9\u51fa\u73b0\u6545\u969c\uff0c\u8d1f\u8f7d\u5747\u8861\u5668\u4f1a\u81ea\u52a8\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u5176\u4ed6\u8282\u70b9\u4e0a\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5907\u4efd\u548c\u6062\u590d\u5143\u6570\u636e\u5e93<\/li>\n<\/ol>\n\n\n\n<p>\u5143\u6570\u636e\u5e93\u662f Airflow \u4e2d\u4fdd\u5b58\u4efb\u52a1\u548c DAG \u5143\u6570\u636e\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5e94\u8be5\u5b9a\u671f\u5907\u4efd\u5143\u6570\u636e\u5e93\uff0c\u5e76\u4fdd\u7559\u591a\u4e2a\u5907\u4efd\u3002\u5982\u679c\u53d1\u751f\u6545\u969c\u6216\u6570\u636e\u635f\u574f\uff0c\u53ef\u4ee5\u901a\u8fc7\u6062\u590d\u5907\u4efd\u6765\u6062\u590d\u5143\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u4f7f\u7528\u5f02\u5730\u5907\u4efd<\/li>\n<\/ol>\n\n\n\n<p>\u5728 Airflow \u96c6\u7fa4\u4e2d\uff0c\u5e94\u8be5\u5c06\u5907\u4efd\u6570\u636e\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u5730\u7406\u4f4d\u7f6e\uff0c\u4ee5\u4fbf\u5728\u53d1\u751f\u81ea\u7136\u707e\u5bb3\u6216\u533a\u57df\u6027\u6545\u969c\u65f6\u8fdb\u884c\u6062\u590d\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u5907\u4efd\u6570\u636e\u5b58\u50a8\u5728\u4e91\u5b58\u50a8\u670d\u52a1\u4e2d\uff0c\u5e76\u8bbe\u7f6e\u591a\u4e2a\u5907\u4efd\u4f4d\u7f6e\u548c\u591a\u4e2a\u8d26\u6237\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u76d1\u63a7\u548c\u544a\u8b66<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5e94\u8be5\u5b9e\u65f6\u76d1\u63a7 Airflow \u670d\u52a1\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u5e76\u8bbe\u7f6e\u544a\u8b66\u673a\u5236\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Prometheus \u548c Grafana \u7b49\u76d1\u63a7\u5de5\u5177\u6765\u76d1\u63a7 Airflow \u7684\u8fd0\u884c\u72b6\u6001\uff0c\u5e76\u8bbe\u7f6e\u544a\u8b66\u89c4\u5219\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u4f7f\u7528\u5bb9\u5668\u5316\u90e8\u7f72<\/li>\n<\/ol>\n\n\n\n<p>\u5bb9\u5668\u5316\u90e8\u7f72\u53ef\u4ee5\u4f7f Airflow \u90e8\u7f72\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u9760\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Docker \u6216 Kubernetes \u7b49\u5bb9\u5668\u5316\u6280\u672f\u6765\u90e8\u7f72 Airflow\uff0c\u5e76\u5b9e\u73b0\u5feb\u901f\u6269\u7f29\u5bb9\u548c\u6545\u969c\u8f6c\u79fb\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728\u9ad8\u53ef\u7528\u6027\u548c\u6545\u969c\u8f6c\u79fb\u65b9\u9762\uff0c\u9700\u8981\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u4f7f\u7528 Airflow \u96c6\u7fa4\u3001\u5907\u4efd\u548c\u6062\u590d\u5143\u6570\u636e\u5e93\u3001\u4f7f\u7528\u5f02\u5730\u5907\u4efd\u3001\u76d1\u63a7\u548c\u544a\u8b66\u4ee5\u53ca\u4f7f\u7528\u5bb9\u5668\u5316\u90e8\u7f72\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u4ee5\u4f7f Airflow \u670d\u52a1\u66f4\u52a0\u53ef\u9760\u548c\u7a33\u5b9a\uff0c\u5e76\u63d0\u9ad8\u6545\u969c\u8f6c\u79fb\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u56de\u987e\u8bfe\u7a0b\u5185\u5bb9<\/p>\n\n\n\n<p>\u672c\u6b21\u8bfe\u7a0b\u4e3b\u8981\u6db5\u76d6\u4e86 Airflow \u7684\u57fa\u7840\u77e5\u8bc6\u3001\u5e38\u7528\u7ec4\u4ef6\u548c\u6700\u4f73\u5b9e\u8df5\u7b49\u65b9\u9762\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u672c\u6b21\u8bfe\u7a0b\u7684\u4e3b\u8981\u5185\u5bb9\u56de\u987e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Airflow \u7b80\u4ecb\uff1a\u4ecb\u7ecd\u4e86 Airflow \u7684\u57fa\u672c\u6982\u5ff5\u3001\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\u7b49\uff0c\u4ee5\u53ca\u5982\u4f55\u5b89\u88c5\u548c\u914d\u7f6e Airflow\u3002<\/li>\n\n\n\n<li>DAG\u3001Task\u3001Operator \u548c TaskInstance \u7b49\u57fa\u672c\u6982\u5ff5\uff1a\u8be6\u7ec6\u8bb2\u89e3\u4e86\u8fd9\u4e9b\u6982\u5ff5\u7684\u542b\u4e49\u3001\u4f5c\u7528\u548c\u4f7f\u7528\u65b9\u6cd5\u7b49\u3002<\/li>\n\n\n\n<li>Executor \u548c\u8c03\u5ea6\u5668\uff1a\u4ecb\u7ecd\u4e86 Airflow \u4e2d\u7684\u6267\u884c\u5668\u548c\u8c03\u5ea6\u5668\u7684\u4f5c\u7528\u548c\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528 LocalExecutor \u548c CeleryExecutor \u7b49\u6267\u884c\u5668\u3002<\/li>\n\n\n\n<li>\u4efb\u52a1\u4f9d\u8d56\u548c\u89e6\u53d1\u5668\uff1a\u8bb2\u89e3\u4e86\u5982\u4f55\u8bbe\u7f6e\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u89e6\u53d1\u5668\u89c4\u5219\u548c\u5916\u90e8\u4efb\u52a1\u4f20\u611f\u5668\u7b49\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u53d8\u91cf\u548c\u8fde\u63a5\u7ba1\u7406\uff1a\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528 Airflow \u53d8\u91cf\u548c\u8fde\u63a5\u6765\u7ba1\u7406\u914d\u7f6e\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>XComs\uff08\u8de8\u4efb\u52a1\u901a\u4fe1\uff09\uff1a\u8be6\u7ec6\u8bb2\u89e3\u4e86 XCom \u5728 Airflow \u4e2d\u7684\u4f5c\u7528\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u6a21\u677f\u548c Jinja \u6a21\u677f\u5f15\u64ce\uff1a\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528\u6a21\u677f\u52a8\u6001\u751f\u6210\u4efb\u52a1\u53c2\u6570\uff0c\u5e76\u5728\u4efb\u52a1\u5b9a\u4e49\u4e2d\u4f7f\u7528 Jinja \u6a21\u677f\u3002<\/li>\n\n\n\n<li>\u76d1\u63a7\u548c\u65e5\u5fd7\uff1a\u8bb2\u89e3\u4e86\u5982\u4f55\u4f7f\u7528 Airflow Web \u754c\u9762\u6765\u76d1\u63a7\u4efb\u52a1\u72b6\u6001\u548c\u67e5\u770b\u4efb\u52a1\u65e5\u5fd7\u3002<\/li>\n\n\n\n<li>\u9ad8\u53ef\u7528\u6027\u548c\u6545\u969c\u8f6c\u79fb\uff1a\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528 Airflow \u96c6\u7fa4\u3001\u5907\u4efd\u548c\u6062\u590d\u5143\u6570\u636e\u5e93\u3001\u4f7f\u7528\u5bb9\u5668\u5316\u90e8\u7f72\u7b49\u6700\u4f73\u5b9e\u8df5\u6765\u63d0\u9ad8 Airflow \u7684\u53ef\u7528\u6027\u548c\u5bb9\u9519\u6027\u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49\u63d2\u4ef6\u548c Operator\uff1a\u8bb2\u89e3\u4e86\u5982\u4f55\u7f16\u5199\u81ea\u5b9a\u4e49 Operator \u548c\u63d2\u4ef6\uff0c\u5e76\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230 Airflow \u4e2d\u3002<\/li>\n\n\n\n<li>\u6700\u4f73\u5b9e\u8df5\uff1a\u8bb2\u89e3\u4e86 Airflow \u4e2d\u7684\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u4efb\u52a1\u91cd\u8bd5\u7b56\u7565\u3001\u52a8\u6001\u751f\u6210\u7684 DAG\u3001\u4efb\u52a1\u91cd\u8bd5\u548c\u6545\u969c\u8f6c\u79fb\u7b49\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u672c\u6b21\u8bfe\u7a0b\u7684\u5185\u5bb9\u8986\u76d6\u4e86 Airflow \u7684\u57fa\u7840\u77e5\u8bc6\u548c\u9ad8\u7ea7\u5e94\u7528\uff0c\u6db5\u76d6\u4e86\u4ece\u5b89\u88c5\u548c\u914d\u7f6e\u5230\u90e8\u7f72\u548c\u6700\u4f73\u5b9e\u8df5\u7684\u65b9\u65b9\u9762\u9762\u3002\u901a\u8fc7\u672c\u6b21\u8bfe\u7a0b\u7684\u5b66\u4e60\uff0c\u4f60\u5e94\u8be5\u5bf9 Airflow \u7684\u57fa\u672c\u6982\u5ff5\u3001\u4f7f\u7528\u65b9\u6cd5\u548c\u6700\u4f73\u5b9e\u8df5\u6709\u4e86\u5168\u9762\u7684\u4e86\u89e3\u548c\u638c\u63e1\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u63a2\u8ba8Airflow\u7684\u672a\u6765\u53d1\u5c55<\/p>\n\n\n\n<p>Airflow \u662f\u76ee\u524d\u6700\u53d7\u6b22\u8fce\u7684\u5f00\u6e90\u4efb\u52a1\u8c03\u5ea6\u548c\u5de5\u4f5c\u6d41\u7f16\u6392\u5de5\u5177\u4e4b\u4e00\uff0c\u5df2\u7ecf\u5728\u591a\u4e2a\u4f01\u4e1a\u7ea7\u5e94\u7528\u573a\u666f\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002Airflow \u793e\u533a\u4e5f\u5728\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8e Airflow \u672a\u6765\u53d1\u5c55\u7684\u8d8b\u52bf\u548c\u9884\u6d4b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u66f4\u52a0\u667a\u80fd\u5316\u548c\u81ea\u52a8\u5316\uff1aAirflow \u7684\u672a\u6765\u53d1\u5c55\u65b9\u5411\u662f\u66f4\u52a0\u667a\u80fd\u5316\u548c\u81ea\u52a8\u5316\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\u7b49\u6280\u672f\uff0c\u53ef\u4ee5\u8ba9 Airflow \u66f4\u52a0\u81ea\u52a8\u5316\u5730\u751f\u6210 DAG\u3001\u4f18\u5316\u4efb\u52a1\u8c03\u5ea6\u548c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u7b49\u65b9\u9762\u3002<\/li>\n\n\n\n<li>\u66f4\u52a0\u5206\u5e03\u5f0f\u548c\u9ad8\u53ef\u7528\u6027\uff1a\u672a\u6765\u7684 Airflow \u5c06\u66f4\u52a0\u5206\u5e03\u5f0f\u548c\u9ad8\u53ef\u7528\uff0c\u4ee5\u6ee1\u8db3\u5927\u89c4\u6a21\u5e94\u7528\u573a\u666f\u4e0b\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0cAirflow \u53ef\u4ee5\u652f\u6301\u66f4\u591a\u7684\u6267\u884c\u5668\u548c\u8c03\u5ea6\u5668\u9009\u9879\uff0c\u4ee5\u53ca\u66f4\u52a0\u53ef\u9760\u7684\u6545\u969c\u8f6c\u79fb\u548c\u5bb9\u9519\u673a\u5236\u3002<\/li>\n\n\n\n<li>\u66f4\u52a0\u5f00\u653e\u548c\u6269\u5c55\uff1aAirflow \u7684\u672a\u6765\u5c06\u66f4\u52a0\u5f00\u653e\u548c\u6269\u5c55\uff0c\u4ee5\u4fbf\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u6e90\u3001\u5de5\u5177\u548c\u5e73\u53f0\u3002\u4f8b\u5982\uff0cAirflow \u53ef\u4ee5\u901a\u8fc7\u66f4\u591a\u7684\u63d2\u4ef6\u548c\u96c6\u6210\u6765\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u6e90\u548c\u5de5\u5177\uff0c\u4f8b\u5982 Hadoop\u3001Spark\u3001Kubernetes \u7b49\u3002<\/li>\n\n\n\n<li>\u66f4\u52a0\u6613\u7528\u548c\u53ef\u89c6\u5316\uff1aAirflow \u7684\u672a\u6765\u4e5f\u5c06\u66f4\u52a0\u6613\u7528\u548c\u53ef\u89c6\u5316\uff0c\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u5feb\u901f\u3001\u66f4\u65b9\u4fbf\u5730\u521b\u5efa\u548c\u7ba1\u7406\u4efb\u52a1\u548c\u5de5\u4f5c\u6d41\u3002\u4f8b\u5982\uff0cAirflow \u53ef\u4ee5\u901a\u8fc7\u66f4\u52a0\u76f4\u89c2\u548c\u6613\u7528\u7684\u754c\u9762\u6765\u5e2e\u52a9\u7528\u6237\u66f4\u597d\u5730\u7406\u89e3\u548c\u7ba1\u7406\u4efb\u52a1\u8c03\u5ea6\u548c\u6267\u884c\u72b6\u6001\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u672a\u6765\u7684 Airflow \u5c06\u7ee7\u7eed\u81f4\u529b\u4e8e\u63d0\u4f9b\u66f4\u52a0\u667a\u80fd\u5316\u3001\u5206\u5e03\u5f0f\u3001\u5f00\u653e\u548c\u6613\u7528\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u5de5\u4f5c\u6d41\u7f16\u6392\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u65ad\u53d8\u5316\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528\u9700\u6c42\u3002\u540c\u65f6\uff0cAirflow \u793e\u533a\u4e5f\u5c06\u7ee7\u7eed\u53d1\u5c55\u548c\u58ee\u5927\uff0c\u4ee5\u63a8\u52a8 Airflow \u7684\u53d1\u5c55\u548c\u521b\u65b0\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u63d0\u4f9b\u76f8\u5173\u5b66\u4e60\u8d44\u6e90\u548c\u8fdb\u9636\u6559\u7a0b\u63a8\u8350<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b66\u4e60 Airflow \u7684\u76f8\u5173\u8d44\u6e90\u548c\u8fdb\u9636\u6559\u7a0b\u63a8\u8350\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Airflow \u5b98\u65b9\u6587\u6863\uff1aAirflow \u5b98\u65b9\u6587\u6863\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u4ecb\u7ecd\u548c\u4f7f\u7528\u6307\u5357\uff0c\u5305\u62ec\u5b89\u88c5\u3001\u914d\u7f6e\u3001\u4f7f\u7528\u548c\u6269\u5c55\u7b49\u65b9\u9762\u7684\u5185\u5bb9\u3002\u53ef\u4ee5\u8bbf\u95ee\u5b98\u7f51\uff1a<a href=\"https:\/\/airflow.apache.org\/docs%E3%80%82\">https:\/\/airflow.apache.org\/docs\u3002<\/a><\/li>\n\n\n\n<li>Airflow 101 \u89c6\u9891\u6559\u7a0b\uff1a\u8fd9\u662f\u4e00\u5957\u6765\u81ea\u5b98\u65b9\u7684\u89c6\u9891\u6559\u7a0b\uff0c\u4ecb\u7ecd\u4e86 Airflow \u7684\u57fa\u7840\u77e5\u8bc6\u548c\u4f7f\u7528\u65b9\u6cd5\u3002\u53ef\u4ee5\u8bbf\u95ee\uff1a<a href=\"https:\/\/www.youtube.com\/playlist?list=PLF3s2WICJlqOiymMaTLjwwHz-MSVbtJPQ%E3%80%82\">https:\/\/www.youtube.com\/playlist?list=PLF3s2WICJlqOiymMaTLjwwHz-MSVbtJPQ\u3002<\/a><\/li>\n\n\n\n<li>Airflow \u6559\u7a0b\u7cfb\u5217\u535a\u5ba2\uff1a\u8fd9\u662f\u4e00\u7cfb\u5217\u5173\u4e8e Airflow \u7684\u535a\u5ba2\u6587\u7ae0\uff0c\u4f5c\u8005\u662f\u6765\u81ea Astronomer \u516c\u53f8\u7684 Derek Chen-Becker\u3002\u535a\u5ba2\u8986\u76d6\u4e86 Airflow \u7684\u5404\u4e2a\u65b9\u9762\uff0c\u5305\u62ec\u57fa\u7840\u77e5\u8bc6\u3001\u9ad8\u7ea7\u5e94\u7528\u548c\u6700\u4f73\u5b9e\u8df5\u7b49\u3002\u53ef\u4ee5\u8bbf\u95ee\uff1a<a href=\"https:\/\/www.astronomer.io\/guides\/%E3%80%82\">https:\/\/www.astronomer.io\/guides\/\u3002<\/a><\/li>\n\n\n\n<li>Airflow Summit \u89c6\u9891\uff1aAirflow Summit \u662f Airflow \u793e\u533a\u7684\u5e74\u5ea6\u4f1a\u8bae\uff0c\u4f1a\u8bae\u4e0a\u4f1a\u5206\u4eab\u6700\u65b0\u7684 Airflow \u6280\u672f\u548c\u5e94\u7528\u6848\u4f8b\u7b49\u5185\u5bb9\u3002\u53ef\u4ee5\u5728 YouTube \u4e0a\u89c2\u770b\u4ee5\u524d\u7684\u4f1a\u8bae\u89c6\u9891\uff0c\u83b7\u53d6\u66f4\u591a\u7684\u5b66\u4e60\u8d44\u6e90\u548c\u7075\u611f\u3002\u53ef\u4ee5\u8bbf\u95ee\uff1a<a href=\"https:\/\/www.youtube.com\/channel\/UCJ0W6UdQv-9De6UioL6XZpA%E3%80%82\">https:\/\/www.youtube.com\/channel\/UCJ0W6UdQv-9De6UioL6XZpA\u3002<\/a><\/li>\n\n\n\n<li>Airflow \u793e\u533a\uff1aAirflow \u793e\u533a\u662f Airflow \u5f00\u53d1\u548c\u4f7f\u7528\u8005\u7684\u4ea4\u6d41\u5e73\u53f0\uff0c\u53ef\u4ee5\u5728\u4e0a\u9762\u627e\u5230\u5404\u79cd\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u3001\u5206\u4eab\u7ecf\u9a8c\u548c\u83b7\u53d6\u5e2e\u52a9\u3002\u53ef\u4ee5\u8bbf\u95ee\uff1a<a href=\"https:\/\/github.com\/apache\/airflow%E3%80%82\">https:\/\/github.com\/apache\/airflow\u3002<\/a><\/li>\n\n\n\n<li>Airflow \u9ad8\u7ea7\u6559\u7a0b\u548c\u6848\u4f8b\u5206\u6790\uff1a\u4e00\u4e9b\u516c\u53f8\u3001\u7ec4\u7ec7\u548c\u4e2a\u4eba\u90fd\u4f1a\u5206\u4eab\u81ea\u5df1\u5728 Airflow \u4e0a\u7684\u5e94\u7528\u6848\u4f8b\u548c\u4f7f\u7528\u7ecf\u9a8c\uff0c\u53ef\u4ee5\u901a\u8fc7\u641c\u7d22\u5f15\u64ce\u6216\u793e\u4ea4\u5a92\u4f53\u7b49\u9014\u5f84\u627e\u5230\u76f8\u5173\u8d44\u6e90\u3002\u4f8b\u5982\uff0c\u6765\u81ea Lyft \u516c\u53f8\u7684 Airflow \u9ad8\u7ea7\u6559\u7a0b\uff1a<a href=\"https:\/\/eng.lyft.com\/airflow-at-lyft-3c67d28b8d79%E3%80%82\">https:\/\/eng.lyft.com\/airflow-at-lyft-3c67d28b8d79\u3002<\/a><\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0a\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5b66\u4e60 Airflow \u7684\u8d44\u6e90\u548c\u8fdb\u9636\u6559\u7a0b\u63a8\u8350\uff0c\u53ef\u4ee5\u5e2e\u52a9\u521d\u5b66\u8005\u5feb\u901f\u638c\u63e1 Airflow \u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684 &hellip; 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