{"id":50502,"date":"2023-08-28T10:54:24","date_gmt":"2024-01-13T09:36:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%bd%bf%e7%94%a8docker-compose%e5%ae%9e%e7%8e%b0airflow%e6%97%b6%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a1%b9\/"},"modified":"2024-04-30T20:26:01","modified_gmt":"2024-04-30T12:26:01","slug":"%e5%9c%a8%e4%bd%bf%e7%94%a8docker-compose%e5%ae%9e%e7%8e%b0airflow%e6%97%b6%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%bd%bf%e7%94%a8docker-compose%e5%ae%9e%e7%8e%b0airflow%e6%97%b6%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a1%b9\/","title":{"rendered":"\u5728\u4f7f\u7528docker-compose\u5b9e\u73b0Airflow\u65f6\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879"},"content":{"rendered":"<p>\u56e0\u4e3a\u4e2a\u4eba\u5b66\u4e60\u7684\u9700\u8981\uff0c\u6211\u5b9e\u65bd\u4e86Airflow\uff0c\u8fd9\u91cc\u8bb0\u5f55\u4e86\u6211\u5f53\u65f6\u7684\u4f53\u4f1a\u3002\u5e0c\u671b\u8fd9\u80fd\u5e2e\u5230\u9047\u5230\u540c\u6837\u95ee\u9898\u7684\u4eba\u4eec\u3002<\/p>\n<h1>\u524d\u63d0 (Qiant\u00ed)<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">LocalExecutor\u3092\u4f7f\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MySQL\u30b3\u30f3\u30c6\u30ca\u30fc\u3068Airflow\u30b3\u30f3\u30c6\u30ca\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Airflow\u304b\u3089Redshift\u306b\u30a2\u30af\u30bb\u30b9<\/ul>\n<h1>Docker\u955c\u50cf (Docker Image)<\/h1>\n<h2>\u4f7f\u7528Python 3.7.7\u4f5c\u4e3a\u57fa\u7840\uff0c\u5728\u5176\u4e2d\u5b89\u88c5Airflow\u7248\u672c1.10.10\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Dockerfile\u3092\u81ea\u5206\u3067\u66f8\u3044\u3066\u307f\u308b\u305f\u3081<\/ul>\n<\/li>\n<\/ul>\n<p>\u3064\u3044\u3067\u306bentrypoint.sh\u3082<\/p>\n<p>\u5b66\u7fd2\u76ee\u7684\u306a\u306e\u3067\u3001puckel\/docker-airflow\u306f\u9060\u616e\u3057\u305f\u3044<\/p>\n<p>\u3081\u3061\u3083\u304f\u3061\u3083\u53c2\u8003\u306b\u306f\u3059\u308b<\/p>\n<p>\u516c\u5f0fDocker\u30a4\u30e1\u30fc\u30b8\u306emaster\u3084latest\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u304c2.0\u3067\u958b\u767a\u72482<\/p>\n<h2>\u7a7a\u6c14\u6d41\u52a8\u589e\u5f3a\u7248<\/h2>\n<p>\u5728\u6269\u5c55Airflow\u7684\u63d2\u4ef6\u4e2d\uff0c\u5305\u62ec\u4e86\u4eceMySQL\u7b49\u6570\u636e\u5e93\u7cfb\u5230GCP\u7684\u8bbf\u95ee\u7b49\u529f\u80fd\u3002<br \/>\n\u6839\u636e\u5b98\u65b9\u7684Dockerfile\uff0c\u5982\u4e0b\u6240\u793a\uff0c<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">ARG<\/span><span class=\"s\"> AIRFLOW_EXTRAS=\"async,aws,azure,celery,dask,elasticsearch,gcp,kubernetes,mysql,postgres,redis,slack,ssh,statsd,virtualenv\"<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u751f\u6210 FERNET_KEY\uff0c\u56e0\u6b64 crypto\u5728\u6280\u672f\u4e0a\u662f\u5fc5\u9700\u7684\u3002<\/p>\n<p>\u7531\u4e8e\u540e\u7aef\u6570\u636e\u5e93\u4f7f\u7528MySQL\u548cRedshift\u8fdb\u884c\u8fde\u63a5\uff0c\u6240\u4ee5\u8fd8\u9700\u8981\u76f8\u5173\u7684psycopg2\u3002<\/p>\n<h2>\u5165\u53e3\u70b9.sh<\/h2>\n<p>\u5728\u8fd9\u91cc\uff0c\u50cf\u6587\u6863\u548cpuckel\u4e00\u6837\uff0c\u6211\u4eec\u751f\u6210FERNET_KEY\uff0c\u5e76\u901a\u8fc7\u52a0\u5bc6\u6765\u4fdd\u62a4\u8fde\u63a5\uff0c\u8fd9\u6837\u6bd4\u5728airflow.cfg\u4e2d\u76f4\u63a5\u5199\u5165\u66f4\u5b89\u5168\u3002<\/p>\n<p>&#8220;${AIRFLOW__CORE__FERNET_KEY:=${FERNET_KEY:=$(python -c &#8220;from cryptography.fernet import Fernet; FERNET_KEY = Fernet.generate_key().decode(); print(FERNET_KEY)&#8221;)}}&#8221;<\/p>\n<p>&#8220;${AIRFLOW__CORE__FERNET_KEY:=${FERNET_KEY:=$(python -c &#8220;import cryptography.fernet as f; fernet_key = f.Fernet.generate_key().decode(); print(fernet_key)&#8221;)}}&#8221;<\/p>\n<p>&#8220;${AIRFLOW__CORE__FERNET_KEY:=${FERNET_KEY:=$(python -c &#8220;import cryptography.fernet as f; key = f.Fernet.generate_key().decode(); print(key)&#8221;)}}&#8221;<\/p>\n<h2>\u4f7f\u7528nc (netcat) \u547d\u4ee4\u6765\u786e\u8ba4\u6570\u636e\u5e93\u662f\u5426\u5df2\u542f\u52a8\u3002<\/h2>\n<p>\u5728docker-compose.yml\u4e2d\u6307\u5b9adepends_on: mysql\uff0c\u4ec5\u662f\u7b49\u5f85\u5bb9\u5668\u542f\u52a8\uff0c\u4e0d\u80fd\u786e\u4fdd\u6570\u636e\u5e93\u5df2\u7ecf\u542f\u52a8\u3002puckel\u5728entrypoint.sh\u811a\u672c\u4e2d\u4f7f\u7528nc\u547d\u4ee4\u6765\u68c0\u67e5\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u662f\u5426\u5efa\u7acb\uff0c\u8fd9\u5bf9\u6211\u6765\u8bf4\u975e\u5e38\u6709\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>wait_for_port<span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"nb\">local <\/span><span class=\"nv\">name<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"nv\">$1<\/span><span class=\"s2\">\"<\/span> <span class=\"nv\">host<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"nv\">$2<\/span><span class=\"s2\">\"<\/span> <span class=\"nv\">port<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"nv\">$3<\/span><span class=\"s2\">\"<\/span>\r\n  <span class=\"nb\">local <\/span><span class=\"nv\">j<\/span><span class=\"o\">=<\/span>0\r\n  <span class=\"k\">while<\/span> <span class=\"o\">!<\/span> nc <span class=\"nt\">-z<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$host<\/span><span class=\"s2\">\"<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$port<\/span><span class=\"s2\">\"<\/span> <span class=\"o\">&gt;<\/span>\/dev\/null 2&gt;&amp;1 &lt; \/dev\/null<span class=\"p\">;<\/span> <span class=\"k\">do\r\n    <\/span><span class=\"nv\">j<\/span><span class=\"o\">=<\/span><span class=\"k\">$((<\/span>j+1<span class=\"k\">))<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"o\">[<\/span> <span class=\"nv\">$j<\/span> <span class=\"nt\">-ge<\/span> <span class=\"nv\">$TRY_LOOP<\/span> <span class=\"o\">]<\/span><span class=\"p\">;<\/span> <span class=\"k\">then\r\n      <\/span><span class=\"nb\">echo<\/span> <span class=\"o\">&gt;<\/span>&amp;2 <span class=\"s2\">\"<\/span><span class=\"si\">$(<\/span><span class=\"nb\">date<\/span><span class=\"si\">)<\/span><span class=\"s2\"> - <\/span><span class=\"nv\">$host<\/span><span class=\"s2\">:<\/span><span class=\"nv\">$port<\/span><span class=\"s2\"> still not reachable, giving up\"<\/span>\r\n      <span class=\"nb\">exit <\/span>1\r\n    <span class=\"k\">fi\r\n    <\/span><span class=\"nb\">echo<\/span> <span class=\"s2\">\"<\/span><span class=\"si\">$(<\/span><span class=\"nb\">date<\/span><span class=\"si\">)<\/span><span class=\"s2\"> - waiting for <\/span><span class=\"nv\">$name<\/span><span class=\"s2\">... <\/span><span class=\"nv\">$j<\/span><span class=\"s2\">\/<\/span><span class=\"nv\">$TRY_LOOP<\/span><span class=\"s2\">\"<\/span>\r\n    <span class=\"nb\">sleep <\/span>5\r\n  <span class=\"k\">done<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u6570\u636e\u5e93\u7684\u914d\u7f6e<\/h1>\n<h2>MySQL\u7684\u73af\u5883\u914d\u7f6e<\/h2>\n<p>\u8bbe\u7f6e\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\uff08\u53c2\u8003\uff09\u3002\u8fd9\u4e9b\u662f\u6570\u636e\u5e93\u7aef\u7684\u8bbe\u7f6e\uff0c\u4f46\u5c06\u4f7f\u7528\u76f8\u540c\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u4eceAirflow\u8bbf\u95ee\u3002<br \/>\n&#8211; MYSQL_ROOT_PASSWORD<br \/>\n&#8211; MYSQL_DATABASE<br \/>\n&#8211; MYSQL_USER<br \/>\n&#8211; MYSQL_PASSWORD<\/p>\n<h2>\u6211\u7684.cnf\u6587\u4ef6<\/h2>\n<p>\u5982Airflow\u6570\u636e\u5e93\u540e\u7aef\u7684\u8bf4\u660e\u6240\u8ff0\uff0c\u5982\u679c\u4f7f\u7528MySQL\uff0c\u5219\u9700\u8981\u8bbe\u7f6eexplicit_defaults_for_timestamp=1\u3002<br \/>\n\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u6dfb\u52a0\u5904\u7406\u591a\u5b57\u8282\u5b57\u7b26\u7684\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code>[mysqld]\r\ncharacter-set-server=utf8mb4\r\nexplicit_defaults_for_timestamp=1\r\n\r\n[client]\r\ndefault-character-set=utf8mb4\r\n<\/code><\/pre>\n<h1>\u8bbf\u95ee\u6570\u636e\u5e93<\/h1>\n<h2>AIRFLOW__CORE__SQL_ALCHEMY_CONN\u7684\u4e2d\u6587\u7ffb\u8bd1\u53ef\u4ee5\u662f\uff1a\u7a7a\u6c14\u6d41\u52a8__\u6838\u5fc3__SQL_ALCHEMY_CONN<\/h2>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f7f\u7528sqlite\uff0c\u4f46\u53ef\u4ee5\u6839\u636e\u6570\u636e\u5e93\u548c\u9a71\u52a8\u7a0b\u5e8f\u8fdb\u884c\u66f4\u6539\u3002\u4f7f\u7528SqlAlchemy\u6587\u6863\u7684\u5199\u6cd5\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MySQL + mysqlclient<\/ul>\n<\/li>\n<\/ul>\n<p>mysql+mysqldb:\/\/user:password@host:port\/db<\/p>\n<p>PostgreSQL + psycopg2<\/p>\n<p>postgresql+psycopg2:\/\/user:password@host:port\/db<\/p>\n<p>\u4e3b\u673a\u662f\u5728docker-compose.yml\u6587\u4ef6\u4e2d\u6307\u5b9a\u7684container_name\uff0c\u7aef\u53e3\u901a\u5e38\u4e3a3306\uff08MySQL\uff09\u62165432\uff08PostgreSQL\uff09\u3002\u7528\u6237\u540d\u548c\u6570\u636e\u5e93\u540d\u79f0\u662f\u4e0a\u9762\u8bbe\u7f6e\u7684\u5185\u5bb9\u3002<\/p>\n<h1>\u4f7f\u7528\u73af\u5883\u53d8\u91cf<\/h1>\n<h2>\u5728\u54ea\u91cc\u7f16\u5199Airflow\u7684\u5404\u79cd\u914d\u7f6e\u8bbe\u7f6e\uff1f<\/h2>\n<p>\u6b63\u5982\u6587\u6863\u4e2d\u6240\u8ff0\uff0c\u53ef\u4ee5\u5728\u591a\u4e2a\u5730\u65b9\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5e76\u4e14\u73af\u5883\u53d8\u91cf\u5177\u6709\u4f18\u5148\u6743\u3002\u4f8b\u5982\uff0cAWS\u7684\u8ba4\u8bc1\u53ef\u4ee5\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u3002\u5bf9\u4e8e\u9700\u8981\u9759\u6001\u7684\u8bbf\u95ee\u6570\u636e\u5e93\u7b49\u5185\u5bb9\uff0c\u53ef\u80fd\u9002\u5408\u5728airflow.cfg\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u3002\u5bf9\u4e8e\u751f\u4ea7\u73af\u5883\uff0c\u5e94\u8be5\u4e0e\u56e2\u961f\u6210\u5458\u5236\u5b9a\u89c4\u5219\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8bbe\u4e3a\u73af\u5883\u53d8\u91cf<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8bbe\u4e3a\u547d\u4ee4\u884c\u73af\u5883\u53d8\u91cf<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728airflow.cfg\u4e2d\u8bbe\u7f6e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728airflow.cfg\u4e2d\u7684\u547d\u4ee4<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>Airflow\u7684\u5185\u7f6e\u9ed8\u8ba4\u503c<\/ol>\n<p>\u8d8a\u9760\u4e0a\u7684\u4e8b\u7269\u8d8a\u512a\u5148\u8003\u616e\u3002<\/p>\n<h2>\u5728\u54ea\u91cc\u5b9a\u4e49\u73af\u5883\u53d8\u91cf\u3002<\/h2>\n<p>\u8fd9\u4e5f\u6709\u5f88\u591a\u79cd\u9009\u62e9\u3002\u8fd9\u8fb9\u5e94\u8be5\u66f4\u503e\u5411\u4e8e\u4e0b\u9762\u7684\u90a3\u4e2a\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Dockerfile\uff1a\u5bf9\u4e8e\u53d8\u5316\u8f83\u5c11\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528\u9ed8\u8ba4\u8bbe\u7f6e\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>entrypoint.sh\uff1a\u540c\u4e0a\u3002<\/p>\n<p>docker-compose.yml\uff1a\u53ef\u4ee5\u6839\u636e\u5176\u4ed6\u5bb9\u5668\u8fdb\u884c\u66f4\u6539\uff0c\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n<p>.env\u6587\u4ef6\uff1a\u5728docker-compose.yml\u4e2d\u6307\u5b9a\u4e3aenv_file\u65f6\uff0c\u5c06\u5728\u5bb9\u5668\u542f\u52a8\u65f6\u88ab\u8bfb\u53d6\u3002\u4e0d\u5e0c\u671b\u5728Git\u4e2d\u4fdd\u7559\u7684\u8ba4\u8bc1\u4fe1\u606f\u53ef\u4ee5\u5199\u5728\u8fd9\u91cc\u3002<\/p>\n<h2>DB\u7684\u914d\u7f6e\u548cSqlAlchemy\u7684\u914d\u7f6e\u5728docker-compose.yml\u6587\u4ef6\u4e2d\u8fdb\u884c\u3002<\/h2>\n<p>\u8003\u8651\u5230\u4f7f\u7528\u76f8\u540c\u7684\u8bbe\u7f6e\uff0c\u540c\u6837\u7684\u63cf\u8ff0\u4f4d\u7f6e\u53ef\u4ee5\u4f7f\u7ba1\u7406\u548c\u7ef4\u62a4\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">version<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">3.7\"<\/span>\r\n<span class=\"na\">services<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">mysql<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql:5.7<\/span>\r\n        <span class=\"na\">container_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n        <span class=\"na\">environment<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">MYSQL_ROOT_PASSWORD=password<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">MYSQL_USER=airflow<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">MYSQL_PASSWORD=airflow<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">MYSQL_DATABASE=airflow<\/span>\r\n        <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">.\/mysql.cnf:\/etc\/mysql\/conf.d\/mysql.cnf:ro<\/span>\r\n        <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">3306:3306\"<\/span>\r\n    <span class=\"na\">airflow<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">build<\/span><span class=\"pi\">:<\/span> <span class=\"s\">.<\/span>\r\n        <span class=\"na\">container_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">airflow<\/span>\r\n        <span class=\"na\">depends_on<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">mysql<\/span>\r\n        <span class=\"na\">environment<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">AIRFLOW_HOME=\/opt\/airflow<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">AIRFLOW__CORE__LOAD_EXAMPLES=False<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">AIRFLOW__CORE__EXECUTOR=LocalExecutor<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">AIRFLOW__CORE__SQL_ALCHEMY_CONN=mysql+mysqldb:\/\/airflow:airflow@mysql:3306\/airflow<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">MYSQL_PORT=3306<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">MYSQL_HOST=mysql<\/span>\r\n<span class=\"c1\"># \u7565<\/span>\r\n<\/code><\/pre>\n<h2>\u5728\u4e2d\u56fd\uff0cAWS\u548cRedshift\u7684\u8fde\u63a5\u901a\u8fc7.env\u6587\u4ef6\u6765\u5b9e\u73b0\u3002<\/h2>\n<p>AWS\u7684\u8bbf\u95ee\u5bc6\u94a5\u548c\u79d8\u5bc6\u5bc6\u94a5\u5177\u6709\u5f88\u9ad8\u7684\u673a\u5bc6\u6027\uff0c\u56e0\u6b64\u4e0d\u60f3\u5c06\u5b83\u4eec\u5199\u5165docker-compose.yml\u6216entrypoint.sh\u3002\u53ef\u80fd\u53ef\u4ee5\u8003\u8651\u5c06\u5176\u5199\u5165airflow.cfg\uff0c\u4f46\u5b9e\u9645\u4e0a\u53ef\u80fd\u9700\u8981\u4e0e\u5f00\u53d1\u56e2\u961f\u5546\u8ba8\u3002<\/p>\n<p>\u6682\u4e14\u4e0d\u7ba1\uff0c\u901a\u8fc7GUI\u70b9\u70b9\u8f93\u5165\u5e76\u4e0d\u73b0\u4ee3\u5316\u3002<\/p>\n<p>\u5728\u5199\u4f5c\u65f6\uff0c\u53c2\u8003\u6587\u732e\u5e76\u6309\u7167\u4ee5\u4e0b\u7684\u65b9\u5f0f\u5199\u4f5c\u3002<\/p>\n<div>\n<div class=\"post-table\">Conn IdConn TypeLoginPasswordHostPortSchemaEnvironment Variableredshift_conn_idpostgresawsuserpasswordyour-cluster-host5439devAIRFLOW_CONN_REDSHIFT_CONN_ID=postgres:\/\/awsuser:password@your-cluster-host:5439\/devaws_conn_idawsyour-access-keyyour-secret-key<\/p>\n<p>AIRFLOW_CONN_AWS_CONN_ID=aws:\/\/your-access-key:your-secret-key@<\/p><\/div>\n<\/div>\n<p>\u5373\u4f7fID\u662f\u5c0f\u5199\u5b57\u6bcd\uff0c\u4f46\u5728\u73af\u5883\u53d8\u91cf\u540d\u79f0\u4e2d\u4f1a\u53d8\u6210\u5927\u5199\u5b57\u6bcd\u3002<\/p>\n<p>\u5728AWS\u5bc6\u94a5\u4e2d\uff0c\u5373\u4f7f\u6ca1\u6709\u4e3b\u673a\u4e5f\u9700\u8981\u5728\u672b\u5c3e\u6dfb\u52a0@\u3002\u5982\u679c\u6ca1\u6709@\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002\u53e6\u5916\uff0c\u5982\u679c\u5bc6\u94a5\u4e2d\u5305\u542b\u5192\u53f7\u6216\u659c\u6760\uff0c\u5219\u65e0\u6cd5\u6b63\u786e\u89e3\u6790\uff0c\u5efa\u8bae\u91cd\u65b0\u751f\u6210\u5bc6\u94a5\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u77e5\u9053\u4ee5GUI\u8f93\u5165\u7684\u8fde\u63a5URI\u7684\u683c\u5f0f\uff0c\u53ea\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8f93\u51fa\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">airflow.hooks.base_hook<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">BaseHook<\/span>\r\n\r\n<span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"n\">BaseHook<\/span><span class=\"p\">.<\/span><span class=\"n\">get_connection<\/span><span class=\"p\">(<\/span><span class=\"s\">'postgres_conn_id'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"sa\">f<\/span><span class=\"s\">\"AIRFLOW_CONN_<\/span><span class=\"si\">{<\/span><span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">conn_id<\/span><span class=\"p\">.<\/span><span class=\"n\">upper<\/span><span class=\"p\">()<\/span><span class=\"si\">}<\/span><span class=\"s\">='<\/span><span class=\"si\">{<\/span><span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">get_uri<\/span><span class=\"p\">()<\/span><span class=\"si\">}<\/span><span class=\"s\">'\"<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u8bbe\u7f6eAirflow\u7684Key-Value\u3002<\/h2>\n<p>\u4e0e\u8fde\u63a5\u4e00\u6837\uff0c\u8fd8\u53ef\u4ee5\u8bbe\u7f6e\u952e\u503c\u5bf9\u3002\u8bbe\u7f6e\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08GUI\uff09\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728.py\u4ee3\u7801\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u8fdb\u884c\u8bbe\u7f6e\u3002<\/ol>\n<p>\u5982\u679c\u662f\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">airflow.models<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Variable<\/span>\r\n<span class=\"n\">Variable<\/span><span class=\"p\">.<\/span><span class=\"nb\">set<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"o\">=<\/span><span class=\"s\">\"foo\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">=<\/span><span class=\"s\">\"bar\"<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u662f\u73af\u5883\u53d8\u91cf\u7684\u60c5\u51b5<\/p>\n<div>\n<div class=\"post-table\">KeyValueEnvironment VariablefoobarAIRFLOW_VAR_FOO=bar<\/div>\n<\/div>\n<p>\u65e0\u8bba\u952e\u662f\u5426\u4e3a\u5c0f\u5199\uff0c\u73af\u5883\u53d8\u91cf\u7684\u540d\u79f0\u90fd\u4f1a\u53d8\u4e3a\u5927\u5199\u3002<\/p>\n<h1>\u7ed3\u675f<\/h1>\n<p>\u6211\u5148\u7ed9\u4f60\u4ecb\u7ecd\u4e00\u4e0b\u4ee3\u7801\u5e93\u3002<\/p>\n<div>\n<p>\u6211\u76ee\u524d\u662fUdacity\u7684\u6570\u636e\u5de5\u7a0b\u5e08\u3002\u6211\u63a5\u89e6\u8fc7Cassandra\uff0cRedshift\uff0cSpark\u548cAirflow\u3002\u867d\u7136\u88ab\u544a\u77e5\u9700\u8981\u82b1\u8d395\u4e2a\u6708\u7684\u65f6\u95f4\uff0c\u4f46\u6211\u53ea\u7528\u4e863\u4e2a\u6708\u5c31\u5b8c\u6210\u4e86\uff0c\u6240\u4ee5\u53ef\u80fd\u66f4\u597d\u9009\u62e9\u6309\u6708\u4ed8\u8d39\u3002\u6b64\u5916\uff0c\u5b83\u4f1a\u5b9a\u671f\u6253\u629850%\uff0c\u5efa\u8bae\u60a8\u5728\u90a3\u65f6\u6ce8\u518c\u3002\u5426\u5219\u5c31\u592a\u8d35\u4e86\u3002<\/p>\n<p>\u5728\u6211\u64b0\u5199\u6587\u7ae0\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u5c1d\u8bd5\u4e86apache\/airflow\uff1a1.10.10\u3002\u4f7f\u7528docker run -it &#8211;name test -p 8080 -d apache\/airflow:1.10.10 &#8220;&#8221;\u547d\u4ee4\uff0c\u53ef\u4ee5\u542f\u52a8\u4e00\u4e2a\u6253\u5f00bash\u7684\u5bb9\u5668\uff0c\u56e0\u6b64\u53ef\u4ee5\u7075\u6d3b\u5730\u64cd\u4f5c\uff0c\u5982docker exec test airflow initdb\u7b49\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u56e0\u4e3a\u4e2a\u4eba\u5b66\u4e60\u7684\u9700\u8981\uff0c\u6211\u5b9e\u65bd\u4e86Airflow\uff0c\u8fd9\u91cc\u8bb0\u5f55\u4e86\u6211\u5f53\u65f6\u7684\u4f53\u4f1a\u3002\u5e0c\u671b\u8fd9\u80fd\u5e2e\u5230\u9047\u5230\u540c\u6837\u95ee\u9898\u7684\u4eba\u4eec\u3002 \u524d\u63d0 ( [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50502","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with 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