{"id":30027,"date":"2023-03-12T07:16:29","date_gmt":"2023-08-26T04:07:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%a9%e6%88%91%e4%bb%ac%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa-ansible-%e5%8a%a8%e6%80%81%e6%b8%85%e5%8d%95%ef%bc%81\/"},"modified":"2025-08-12T17:08:37","modified_gmt":"2025-08-12T09:08:37","slug":"%e8%ae%a9%e6%88%91%e4%bb%ac%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa-ansible-%e5%8a%a8%e6%80%81%e6%b8%85%e5%8d%95%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%a9%e6%88%91%e4%bb%ac%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa-ansible-%e5%8a%a8%e6%80%81%e6%b8%85%e5%8d%95%ef%bc%81\/","title":{"rendered":"\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a Ansible \u52a8\u6001\u6e05\u5355\uff01"},"content":{"rendered":"<h1>\u9996\u5148Ansible\u662f\u4ee5&#8221;\u975e\u5e38\u7b80\u5355&#8221;\u4e3a\u53e3\u53f7\u800c\u5f00\u59cb\u4f7f\u7528\u7684\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30ec\u30b9<\/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\">YAML\u8a18\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u8c4a\u5bcc\u306a\u30e2\u30b8\u30e5\u30fc\u30eb<\/ul>\n<p>\u9664\u4e86\u7b80\u5355\u7684\u4e8b\u60c5\u4e4b\u5916\uff0c\u8fd9\u4e5f\u975e\u5e38\u65b9\u4fbf\u3002<br \/>\n\u4e0d\u8fc7\uff0c\u5728\u5145\u5206\u4f7f\u7528\u4e4b\u540e\uff0c\u60a8\u53ef\u80fd\u5df2\u7ecf\u9047\u5230\u4e86\u4e00\u4e9b\u95ee\u9898\uff0c\u8bf7\u95ee\u662f\u8fd9\u6837\u5417\uff1f<\/p>\n<p>\u662f\u7684\uff0c\u7ba1\u7406\u76ee\u6807\u4e3b\u673a\u548c\u6e05\u5355\u7ba1\u7406\u3002<\/p>\n<p>\u76d8\u70b9\u662f\u4e00\u79cd\u7c7b\u4f3c\u4e8e ini \u683c\u5f0f\u7684\u4e1c\u897f\uff0c\u57fa\u672c\u4e0a\u53ea\u662f\u4e00\u4e2a\u666e\u901a\u7684\u6587\u672c\u6587\u4ef6\u3002<br \/>\n\u5c3d\u7ba1\u53ef\u4ee5\u8fdb\u884c\u5206\u7ec4\u548c\u7236\u5b50\u7ed3\u6784\uff0c\u8fd9\u662f\u65b9\u4fbf\u7684\uff0c\u4f46\u662f\u5728\u63a8\u8fdb\u5e38\u89c4\u5316\u548c\u901a\u7528\u5316\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5206\u7ec4\u53d8\u5f97\u590d\u6742\uff0c\u6587\u672c\u7ba1\u7406\u53d8\u5f97\u56f0\u96be\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u540d\u4e3aDynamic Inventory\u7684\u529f\u80fd\uff0c\u9009\u62e9\u4ece\u9759\u6001\u6587\u4ef6\u7ba1\u7406\u5230\u52a8\u6001\u6570\u636e\u5e93\u7b49\u7ba1\u7406\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u50cfAWS\u3001Azure\u3001OpenStack\u548cCloudStack\u7b49\u8457\u540d\u7684\u4e91\u76f8\u5173\u670d\u52a1\u548c\u4ea7\u54c1\uff0cDynamic Inventory\u5df2\u7ecf\u57fa\u672c\u4e0a\u5c31\u7eea\u4e86\uff0c\u4f46\u5982\u679c\u4e0d\u63a5\u89e6\u8fd9\u4e9b\u4e91\u7684\u6838\u5fc3\u529f\u80fd\uff0c\u53ef\u80fd\u4f1a\u5f88\u96be\u4e0a\u624b\u3002\u5927\u6982\u3002<\/p>\n<p>\u6ca1\u5173\u7cfb\u7684\uff0c\u521b\u5efa\u52a8\u6001\u6e05\u5355\u5176\u5b9e\u5f88\u7b80\u5355\u3002<br \/>\n\u8fd9\u6b21\u6211\u60f3\u8bd5\u7740\u7528\u51e0\u79cd\u65b9\u6cd5\u521b\u5efa\u52a8\u6001\u6e05\u5355\u3002<br \/>\n\uff08\u4ee3\u7801\u8d28\u91cf\u5dee\u662f\u56e0\u4e3a\u6211\u7684\u60c5\u7eea\u4f4e\u843d\uff0c\u8bf7\u89c1\u8c05\u3002\uff09<\/p>\n<p>\u6211\u4f1a\u5728\u4e0b\u8ff0\u73af\u5883\u4e2d\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ ansible --version\r\nansible 2.2.0.0\r\n  config file = \/etc\/ansible\/ansible.cfg\r\n  configured module search path = Default w\/o overrides\r\n<\/code><\/pre>\n<h1>\u52a8\u6001\u5e93\u5b58\u662f\u4ec0\u4e48\uff1f\u6211\u4eec\u6765\u5b66\u4e60\u4e00\u4e0bDynamic Inventory\u8fd9\u4e2a\u529f\u80fd\u662f\u4ec0\u4e48\u3002<\/p>\n<p>\u5728\u52a8\u6001\u5e93\u5b58\u9875\u9762\u4e0a\u5199\u7740\u8bb8\u591a\u5185\u5bb9\uff0c\u4f46\u5e76\u6ca1\u6709\u8be6\u7ec6\u8bf4\u660e\u6280\u672f\u7ec6\u8282\uff0c\u6240\u4ee5\u6211\u4eec\u8d76\u7d27\u53bb\u770b\u770b&#8221;\u5f00\u53d1\u52a8\u6001\u5e93\u5b58\u6765\u6e90&#8221;\u7684\u9875\u9762\u5427\u3002<\/p>\n<blockquote><p>\u5f53\u5916\u90e8\u8282\u70b9\u811a\u672c\u4ee5\u5355\u4e2a\u53c2\u6570&#8211;list\u88ab\u8c03\u7528\u65f6\uff0c\u811a\u672c\u5fc5\u987b\u5c06\u6240\u6709\u5f85\u7ba1\u7406\u7684\u7ec4\u7684JSON\u7f16\u7801\u6563\u5217\/\u5b57\u5178\u8f93\u51fa\u5230stdout\u3002\u6bcf\u4e2a\u7ec4\u7684\u503c\u5e94\u8be5\u662f\u4e00\u4e2a\u5305\u542b\u6bcf\u4e2a\u4e3b\u673a\/IP\u3001\u6f5c\u5728\u5b50\u7ec4\u548c\u6f5c\u5728\u7ec4\u53d8\u91cf\u5217\u8868\u7684\u6563\u5217\/\u5b57\u5178\uff0c\u6216\u8005\u4ec5\u4ec5\u662f\u4e00\u4e2a\u4e3b\u673a\/IP\u5730\u5740\u7684\u5217\u8868\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p><\/blockquote>\n<p>\u770b\u5230\u8fd9\u4e2a\uff0c\u6700\u7ec8Dynamic Inventory\u662f\u6307<\/p>\n<p>&#8211;list \u5f15\u6570\u3092\u53d6\u308c\u308b<\/p>\n<p>JSON\u5f62\u5f0f \u306e\u30c7\u30fc\u30bf\u3092\u6a19\u6e96\u51fa\u529b\u3059\u308b<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8 \u3067\u3042\u308c\u3070\u3088\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2>\u57fa\u672c\u69cb\u9020\u52a8\u6001\u5e93\u5b58\u5e94\u8f93\u51fa\u7684JSON\u7684\u57fa\u672c\u7ed3\u6784\u662f:<\/p>\n<pre class=\"post-pre\"><code>{\r\n    \"databases\"   : {\r\n        \"hosts\"   : [ \"host1.example.com\", \"host2.example.com\" ],\r\n        \"vars\"    : {\r\n            \"a\"   : true\r\n        }\r\n    },\r\n    \"webservers\"  : [ \"host2.example.com\", \"host3.example.com\" ],\r\n    \"atlanta\"     : {\r\n        \"hosts\"   : [ \"host1.example.com\", \"host4.example.com\", \"host5.example.com\" ],\r\n        \"vars\"    : {\r\n            \"b\"   : false\r\n        },\r\n        \"children\": [ \"marietta\", \"5points\" ]\r\n    },\r\n    \"marietta\"    : [ \"host6.example.com\" ],\r\n    \"5points\"     : [ \"host7.example.com\" ]\r\n}\r\n<\/code><\/pre>\n<p>\u5c31\u50cf\u8fd9\u6837\uff0c<\/p>\n<pre class=\"post-pre\"><code>{\r\n    # \u30b7\u30f3\u30d7\u30eb\u306b\u30b0\u30eb\u30fc\u30d7\u30db\u30b9\u30c8\u306e\u307f\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\r\n    \"&lt;\u30b0\u30eb\u30fc\u30d7\u540d1&gt;\" : [ \"&lt;\u30db\u30b9\u30c81&gt;\", \"&lt;\u30db\u30b9\u30c82&gt;\" ],\r\n\r\n    # vars\u3084children\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\r\n    \"&lt;\u30b0\u30eb\u30fc\u30d7\u540d2&gt;\" : {\r\n        \"hosts\"    : [ \"&lt;\u30db\u30b9\u30c81&gt;\", \"&lt;\u30db\u30b9\u30c82&gt;\" ],\r\n        \"vars\"     : {\r\n            \"&lt;\u5909\u6570\u540d1&gt;\" : \"&lt;\u50241&gt;\"\r\n        }\r\n        \"children\" : [ \"&lt;\u5b50\u30b0\u30eb\u30fc\u30d71&gt;\", \"&lt;\u5b50\u30b0\u30eb\u30fc\u30d72&gt;\"]\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<br \/>\n\u4f3c\u4e4e\u53ea\u9700\u8981\u91c7\u53d6\u8fd9\u79cd\u7ed3\u6784\u3002<br \/>\n\u8d77\u521d\uff0c\u52a8\u6001\u6e05\u5355\u4f3c\u4e4e\u53ea\u652f\u6301\u5b9a\u4e49\u7ec4\u4e3b\u673a\uff0c\u4f46\u4ece1.3\u7248\u672c\u5f00\u59cb\uff0c\u4e5f\u53ef\u4ee5\u5b9a\u4e49vars\u548cchildren\u3002<\/p>\n<h2>\u5e94\u7528\uff1ahostvars\u4f5c\u4e3a\u4e00\u4e2a\u5b9e\u9645\u5e94\u7528\u7684\u5199\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528hostvars\u5728\u52a8\u6001\u6e05\u5355\u4e2d\u8868\u793a\u3002hostvars\u6700\u521d\u662f\u901a\u8fc7\u5411\u52a8\u6001\u6e05\u5355\u811a\u672c\u4f20\u9012 &#8211;host &lt;\u4e3b\u673a\u540d&gt; \u53c2\u6570\u6765\u5b9e\u73b0\u7684\uff0c\u4ee5\u5b9e\u73b0\u83b7\u53d6\u4e0e\u6307\u5b9a\u4e3b\u673a\u76f8\u5173\u7684hostvars\u529f\u80fd\u3002<\/p>\n<pre class=\"post-pre\"><code>$ .\/dynamic_inventory --host moocow.example.com\r\n{\r\n    \"asdf\" : 1234\r\n}\r\n\r\n$ .\/dynamic_inventory --host llama.example.com\r\n{\r\n    \"asdf\" : 5678\r\n}\r\n<\/code><\/pre>\n<p>\u3057\u304b\u3057\u3001\u3053\u306e\u4ed5\u69d8\u3067\u306f hostvars \u306e\u5229\u7528\u306b\u95a2\u3057\u3066\u3001<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7528 Dynamic Inventory \u7684 &#8211;list \u67e5\u8be2\u4e3b\u673a\u7ec4<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4ece Ansible \u7684\u6267\u884c\u7ec4\u4e2d\u786e\u5b9a\u8981\u6267\u884c\u7684\u76ee\u6807\u4e3b\u673a<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5bf9\u4e8e\u6bcf\u4e2a\u6267\u884c\u76ee\u6807\u7684\u4e3b\u673a\uff0c\u4f7f\u7528 &#8211;host &lt;\u4e3b\u673a\u540d&gt; \u8fd0\u884c Dynamic Inventory \u5e76\u83b7\u53d6 hostvars<\/ol>\n<p>\u3068\u3044\u3046\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\u5fc5\u8981\u304c\u3042\u308a\u3001 \u5b9f\u884c\u5bfe\u8c61\u30db\u30b9\u30c8\u306e\u6570\u306b\u5fdc\u3058\u3066 Dynamic Inventory \u306e\u8d77\u52d5\u56de\u6570\u304c\u5897\u3048\u3001\u305d\u308c\u3060\u3051 \u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3078\u306e\u554f\u3044\u5408\u308f\u305b \u304c\u591a\u304f\u306a\u308b\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u30b0\u30eb\u30fc\u30d7\u306e\u6307\u5b9a\u65b9\u6cd5\u304c\u62e1\u5f35\u3055\u308c\u305f1.3\u3067 hostvars \u306e\u6307\u5b9a\u65b9\u6cd5\u3082\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b \u30db\u30b9\u30c8\u30b0\u30eb\u30fc\u30d7\u60c5\u5831\u306b &#8220;_meta&#8221; \u3092\u52a0\u3048\u3066\u51fa\u529b\u3055\u305b\u308b \u3053\u3068\u3067\u3001\u554f\u3044\u5408\u308f\u305b\u56de\u6570\u306e\u6700\u5c0f\u5316\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"post-pre\"><code>{\r\n    # \u30db\u30b9\u30c8\u30b0\u30eb\u30fc\u30d7\u306e\u5b9a\u7fa9\r\n    (\u7701\u7565)\r\n\r\n    # hostvars\u306e\u5b9a\u7fa9\r\n    \"_meta\" : {\r\n       \"hostvars\" : {\r\n          \"moocow.example.com\"     : { \"asdf\" : 1234 },\r\n          \"llama.example.com\"      : { \"asdf\" : 5678 },\r\n       }\r\n    }\r\n}\r\n<\/code><\/pre>\n<h1>\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u5408Dynamic Inventory\u3068\u306e\u5bfe\u6bd4\u3092\u898b\u308b\u305f\u3081\u3001\u307e\u305a\u306f\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u306e\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u3092\u4f7f\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cat inventory\r\n[sample-servers]\r\n192.168.100.10 host_var=hoge\r\n192.168.100.20 host_var=fuga\r\n\r\n[sample-servers:vars]\r\ngroup_var=hogefuga\r\n<\/code><\/pre>\n<p>\u8fd9\u65f6\u5019\uff0c\u4f1a\u6709\u8fd9\u6837\u7684\u52a8\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ ansible -i inventory sample-servers -m debug -a \"msg={{ host_var }}\"\r\n192.168.100.20 | SUCCESS =&gt; {\r\n    \"msg\": \"fuga\"\r\n}\r\n192.168.100.10 | SUCCESS =&gt; {\r\n    \"msg\": \"hoge\"\r\n}\r\n\r\n$ ansible -i inventory sample-servers -m debug -a \"msg={{ group_var }}\"\r\n192.168.100.20 | SUCCESS =&gt; {\r\n    \"msg\": \"hogefuga\"\r\n}\r\n192.168.100.10 | SUCCESS =&gt; {\r\n    \"msg\": \"hogefuga\"\r\n}\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u5728\u81ea\u5df1\u521b\u5efa\u7684\u52a8\u6001\u5e93\u5b58\u4e2d\u5b9e\u73b0\u4e0e\u6b64\u76f8\u7b49\u7684\u52a8\u4f5c\u3002<\/p>\n<h2>\u5c06\u5e93\u5b58\u8f6c\u5316\u4e3aJSON\u6839\u636e\u516c\u5f0f\u9875\u9762\u7684\u786e\u8ba4\uff0cDynamic Inventory\u5e76\u4e0d\u6307\u4ee3\u4efb\u4f55\u6570\u636e\u5b58\u50a8\uff0c\u800c\u662f\u4e00\u4e2a\u8f93\u51faJSON\u683c\u5f0f\u4e3b\u673a\u5217\u8868\u7684\u811a\u672c\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9996\u5148\u8981\u5c06\u8be5\u6587\u4ef6\u89c6\u4e3a\u6700\u7ec8\u5f62\u5f0f\u7684JSON\uff0c\u5177\u6709\u76f8\u540c\u7684\u610f\u4e49\u3002\u5728\u8fd9\u91cc\u3002<\/p>\n<pre class=\"post-pre\"><code>{\r\n    \"_meta\": {\r\n        \"hostvars\": {\r\n            \"192.168.100.10\": {\r\n                \"host_var\": \"hoge\"\r\n            },\r\n            \"192.168.100.20\": {\r\n                \"host_var\": \"fuga\"\r\n            }\r\n        }\r\n    },\r\n    \"sample-servers\": {\r\n        \"hosts\": [\r\n            \"192.168.100.10\",\r\n            \"192.168.100.20\"\r\n        ],\r\n        \"vars\": {\r\n            \"group_var\": \"hogefuga\"\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u6362\u8a00\u4e4b\uff0c\u6211\u4eec\u53ea\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u80fd\u591f\u8f93\u51fa\u8fd9\u4e2a JSON \u7684\u52a8\u6001\u6e05\u5355\u811a\u672c\u3002<\/p>\n<h1>\u5c71\u5be8\u52a8\u6001\u5e93\u5b58<br \/>\n\u9996\u5148\uff0c\u4e3a\u4e86\u786e\u8ba4Dynamic Inventory\u7684\u884c\u4e3a\uff0c\u8ba9\u6211\u4eec\u8fdb\u884c\u4e00\u6b21\u9a97\u5c40\uff0c\u6765\u4eb2\u8eab\u4f53\u9a8cDynamic Inventory\u3002<br \/>\n\u662f\u7684\uff0c\u6211\u4eec\u8981\u521b\u5efa\u4e00\u4e2a\u76f4\u63a5\u8f93\u51fa\u90a3\u4e2aJSON\u7684\u811a\u672c\u3002<\/p>\n<p>\u5c06\u521a\u521a\u7684JSON\u4f5c\u4e3a\u6587\u4ef6\u539f\u6837\u5199\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cat ~\/sample_json\r\n(\u3055\u3063\u304d\u306eJSON\u306e\u4e2d\u8eab)\r\n<\/code><\/pre>\n<p>\u90a3\u4e48\u6211\u4eec\u6765\u5236\u4f5c\u4e00\u4e2a\u4ec5\u9002\u7528\u4e8e\u732b\u7684\u811a\u672c\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code>$ vi fake_dynamic_inventory\r\n#!\/bin\/bash\r\n\r\ncat ~\/sample_json\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u7acb\u5373\u5c1d\u8bd5\u4ee5\u8fd9\u4e2a\u6b3a\u8bc8\u6027\u7684Dynamic Inventory\u6765\u8fd0\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ ansible -i .\/fake_dynamic_inventory sample-servers -m debug -a \"msg={{ host_var }}\"\r\nERROR! The file .\/fake_dynamic_inventory looks like it should be an executable inventory script, but is not marked executable. Perhaps you want to correct this with `chmod +x .\/fake_dynamic_inventory`?\r\nThe file .\/fake_dynamic_inventory looks like it should be an executable inventory script, but is not marked executable. Perhaps you want to correct this with `chmod +x .\/fake_dynamic_inventory`?\r\n<\/code><\/pre>\n<p>\u54ce\u5440\uff0c\u6211\u88ab\u6307\u8d23\u6ca1\u6709\u6267\u884c\u6743\u9650\u4e86\u3002<br \/>\n\u662f\u7684\uff0c\u8bf7\u6ce8\u610f\u7ed9Dynamic Inventory\u811a\u672c\u6dfb\u52a0\u6267\u884c\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code>$ chmod +x fake_dynamic_inventory\r\n\r\n$ ansible -i .\/fake_dynamic_inventory sample-servers -m debug -a \"msg={{ host_var }}\"\r\n192.168.100.10 | SUCCESS =&gt; {\r\n    \"msg\": \"hoge\"\r\n}\r\n192.168.100.20 | SUCCESS =&gt; {\r\n    \"msg\": \"fuga\"\r\n}\r\n\r\n$ ansible -i .\/fake_dynamic_inventory sample-servers -m debug -a \"msg={{ group_var }}\"\r\n192.168.100.20 | SUCCESS =&gt; {\r\n    \"msg\": \"hogefuga\"\r\n}\r\n192.168.100.10 | SUCCESS =&gt; {\r\n    \"msg\": \"hogefuga\"\r\n}\r\n<\/code><\/pre>\n<p>\u592a\u5b8c\u7f8e\u4e86\u3002\u9996\u5148\uff0c\u6211\u53d1\u73b0\u53ea\u8981\u5c06\u6307\u5b9a\u683c\u5f0f\u7684JSON\u4ea4\u7ed9Ansible\u5904\u7406\uff0c\u5b83\u5c31\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<h1>\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\uff1a\u9488\u5bf9PostgreSQL\u7684\u60c5\u51b5\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6765\u8c08\u8c08\u6570\u636e\u5b58\u50a8\uff0c\u8bf4\u5230\u6570\u636e\u5b58\u50a8\uff0c\u53ef\u4ee5\u8003\u8651\u4e00\u4e0b\u4ece\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf(RDBMS)\u5230PostgreSQL\u7684\u8f6c\u53d8\u3002<br \/>\n\u8bf7\u4f7f\u7528Docker\u6216\u5176\u4ed6\u65b9\u6cd5\u51c6\u5907\u597dPostgreSQL\u3002\u53e6\u5916\uff0c\u8fd8\u9700\u8981\u5b89\u88c5psql\u6765\u521b\u5efa\u8868\u683c\u3002<br \/>\n\u5c31\u50cf\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code># PostgreSQL\u30a4\u30e1\u30fc\u30b8\u306e\u53d6\u5f97\r\n$ docker pull docker.io\/postgres\r\n\r\n# postgres\u30b3\u30f3\u30c6\u30ca\u306e\u8d77\u52d5\r\n$ docker run --name postgres -e POSTGRES_PASSWORD=password -d postgres\r\n\r\n# psql\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ sudo yum install postgresql\r\n\r\n# PostgreSQL on postgres\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u63a5\u7d9a\r\n$ psql -h $(sudo docker inspect --format \"{{ .NetworkSettings.IPAddress }}\" postgres) -U postgres\r\n\r\npostgres=#\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u8868\u683c\u5e76\u8f93\u5165\u6570\u636e\u5427\u3002<br \/>\n\u6211\u4eec\u5c06\u521b\u5efa\u4ee5\u4e0b\u8868\u683c\u3002<br \/>\n\u5c3d\u7ba1\u8fd9\u4e2a\u8868\u683c\u53ea\u6709\u89c4\u8303\u4e0a\u7684\u7a7a\u6d1e\uff0c\u975e\u5e38\u611a\u8822\uff0c\u4f46\u5b83\u5c31\u50cf\u6982\u5ff5\u6570\u636e\u4e00\u6837\uff0c\u8bf7\u8c05\u89e3\u3002<\/p>\n<ul class=\"post-ul\">groups\u30c6\u30fc\u30d6\u30eb<\/ul>\n<div>\n<div class=\"post-table\">groupnamesample-servers<\/p>\n<ul class=\"post-ul\">groupvars\u30c6\u30fc\u30d6\u30eb<\/ul>\n<div>\n<div class=\"post-table\">groupnamevarnamevarvaluesample-serversgroup_varhogefuga<\/p>\n<ul class=\"post-ul\">hosts\u30c6\u30fc\u30d6\u30eb<\/ul>\n<div>\n<div class=\"post-table\">hostnamegroupname192.168.100.10sample-servers192.168.100.20sample-servers<\/p>\n<ul class=\"post-ul\">hostvars\u30c6\u30fc\u30d6\u30eb<\/ul>\n<div>\n<div class=\"post-table\">hostnamevarnamevarvalue192.168.100.10host_varhoge192.168.100.20host_varfuga<br \/>\n\u8bf7\u901a\u8fc7psql\u8fd0\u884c\u4e0b\u9762\u7684DML\u8bed\u53e5\u548cDDL\u8bed\u53e5\u3002<\/p>\n<pre class=\"post-pre\"><code>CREATE TABLE groups (\r\n    groupname varchar(16) unique\r\n);\r\n\r\nCREATE TABLE groupvars (\r\n    groupname varchar(16) REFERENCES groups ( groupname ),\r\n    varname varchar(16),\r\n    varvalue varchar(16)\r\n);\r\n\r\nCREATE TABLE hosts (\r\n    hostname varchar(16) unique,\r\n    groupname varchar(16) REFERENCES groups ( groupname )\r\n);\r\n\r\nCREATE TABLE hostvars (\r\n    hostname varchar(16) REFERENCES hosts ( hostname ),\r\n    varname varchar(16),\r\n    varvalue varchar(16)\r\n);\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>INSERT INTO groups VALUES ( 'sample-servers' );\r\n\r\nINSERT INTO groupvars VALUES ( 'sample-servers', 'group_var', 'hogefuga' );\r\n\r\nINSERT INTO hosts VALUES ( '192.168.100.10', 'sample-servers' );\r\nINSERT INTO hosts VALUES ( '192.168.100.20', 'sample-servers' );\r\n\r\nINSERT INTO hostvars VALUES ( '192.168.100.10', 'host_var', 'hoge' );\r\nINSERT INTO hostvars VALUES ( '192.168.100.20', 'host_var', 'fuga' );\r\n<\/code><\/pre>\n<p>\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u3053\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u3001\u3042\u306eJSON\u51fa\u529b\u3092\u5f97\u308b\u3053\u3068\u3092\u8003\u3048\u307e\u3059\u3002<br \/>\n\u4f55\u304b\u3057\u3089\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u4f7f\u3046\u3068\u3088\u3044\u3068\u601d\u3046\u306e\u3067\u3001\u4eca\u56de\u306fPython\u306b\u3057\u307e\u3059\u3002<br \/>\nPython\u304b\u3089PostgreSQL\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u306b\u95a2\u3057\u3066\u306f\u3001 psycopg2 \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo yum install python-psycopg2\r\n<\/code><\/pre>\n<p>\u3067\u306f\u4e0b\u8a18Python\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\nPostgresSQL\u306e\u63a5\u7d9a\u5148\u306f docker inspect \u3067\u52dd\u624b\u306b\u53d6\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u304c\u3001Docker\u4ee5\u5916\u3067\u3084\u3063\u3066\u3044\u308b\u5834\u5408\u306fIP\u3092\u76f4\u63a5\u66f8\u304f\u306a\u3069\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">#!\/usr\/bin\/python\r\n# -*- coding:utf-8 -*-\r\n<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">commands<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">psycopg2<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">json<\/span>\r\n\r\n<span class=\"n\">output_dict<\/span><span class=\"o\">=<\/span><span class=\"p\">{}<\/span>\r\n\r\n<span class=\"c1\"># DB\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9\r\n<\/span><span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"n\">psycopg2<\/span><span class=\"p\">.<\/span><span class=\"n\">connect<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"n\">host<\/span> <span class=\"o\">=<\/span> <span class=\"n\">commands<\/span><span class=\"p\">.<\/span><span class=\"n\">getoutput<\/span><span class=\"p\">(<\/span><span class=\"s\">'sudo docker inspect --format \"{{ .NetworkSettings.IPAddress }}\" postgres'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">port<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">5432<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">database<\/span><span class=\"o\">=<\/span><span class=\"s\">\"postgres\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">user<\/span><span class=\"o\">=<\/span><span class=\"s\">\"postgres\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">password<\/span><span class=\"o\">=<\/span><span class=\"s\">\"password\"<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">cur_group<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">cur_group<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"\"SELECT groupname FROM groups\"\"\"<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># \u30b0\u30eb\u30fc\u30d7\u3054\u3068\u306b\u8f9e\u66f8\u3092\u4f5c\u6210\u3057\u3066\u8ffd\u52a0\u3059\u308b\r\n<\/span><span class=\"k\">for<\/span> <span class=\"n\">row_group<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">cur_group<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">group_dict<\/span><span class=\"o\">=<\/span><span class=\"p\">{}<\/span>\r\n    <span class=\"n\">grouphosts<\/span><span class=\"o\">=<\/span><span class=\"p\">[]<\/span>\r\n    <span class=\"n\">groupvars<\/span><span class=\"o\">=<\/span><span class=\"p\">{}<\/span>\r\n\r\n    <span class=\"n\">cur_hosts<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">cur_hosts<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"\"SELECT hostname FROM hosts WHERE groupname = %s\"\"\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">row_group<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">],))<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">row_host<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">cur_hosts<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">grouphosts<\/span><span class=\"p\">.<\/span><span class=\"n\">append<\/span><span class=\"p\">(<\/span><span class=\"n\">row_host<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">])<\/span>\r\n\r\n    <span class=\"n\">cur_groupvars<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">cur_groupvars<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"\"SELECT varname, varvalue FROM groupvars WHERE groupname = %s\"\"\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">row_group<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">],))<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">row_groupvar<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">cur_groupvars<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">groupvars<\/span><span class=\"p\">[<\/span><span class=\"n\">row_groupvar<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]]<\/span><span class=\"o\">=<\/span><span class=\"n\">row_groupvar<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span>\r\n\r\n    <span class=\"n\">group_dict<\/span><span class=\"p\">[<\/span><span class=\"s\">\"hosts\"<\/span><span class=\"p\">]<\/span><span class=\"o\">=<\/span><span class=\"n\">grouphosts<\/span>\r\n    <span class=\"n\">group_dict<\/span><span class=\"p\">[<\/span><span class=\"s\">\"vars\"<\/span><span class=\"p\">]<\/span><span class=\"o\">=<\/span><span class=\"n\">groupvars<\/span>\r\n    <span class=\"n\">output_dict<\/span><span class=\"p\">[<\/span><span class=\"n\">row_group<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]]<\/span><span class=\"o\">=<\/span><span class=\"n\">group_dict<\/span>\r\n\r\n<span class=\"n\">cur_hosts<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">cur_hosts<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"\"SELECT DISTINCT hostname FROM hosts\"\"\"<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">meta_dict<\/span><span class=\"o\">=<\/span><span class=\"p\">{}<\/span>\r\n<span class=\"n\">hostvars<\/span><span class=\"o\">=<\/span><span class=\"p\">{}<\/span>\r\n\r\n<span class=\"c1\"># \u30db\u30b9\u30c8\u3054\u3068\u306b\u8f9e\u66f8\u3092\u4f5c\u6210\u3057\u3066\u8ffd\u52a0\u3059\u308b\r\n<\/span><span class=\"k\">for<\/span> <span class=\"n\">row_host<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">cur_hosts<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">hostvar<\/span><span class=\"o\">=<\/span><span class=\"p\">{}<\/span>\r\n\r\n    <span class=\"n\">cur_hostvars<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">cur_hostvars<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"\"SELECT varname,varvalue FROM hostvars WHERE hostname = %s\"\"\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">row_host<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">],))<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">row_hostvar<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">cur_hostvars<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">hostvar<\/span><span class=\"p\">[<\/span><span class=\"n\">row_hostvar<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]]<\/span><span class=\"o\">=<\/span><span class=\"n\">row_hostvar<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span>\r\n\r\n    <span class=\"n\">hostvars<\/span><span class=\"p\">[<\/span><span class=\"n\">row_host<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]]<\/span><span class=\"o\">=<\/span><span class=\"n\">hostvar<\/span>\r\n\r\n<span class=\"n\">meta_dict<\/span><span class=\"p\">[<\/span><span class=\"s\">\"hostvars\"<\/span><span class=\"p\">]<\/span><span class=\"o\">=<\/span><span class=\"n\">hostvars<\/span>\r\n<span class=\"n\">output_dict<\/span><span class=\"p\">[<\/span><span class=\"s\">\"_meta\"<\/span><span class=\"p\">]<\/span><span class=\"o\">=<\/span><span class=\"n\">meta_dict<\/span>\r\n\r\n<span class=\"c1\"># \u8f9e\u66f8\u3092JSON\u5f62\u5f0f\u3057\u3066\u6a19\u6e96\u51fa\u529b\u3059\u308b\r\n<\/span><span class=\"k\">print<\/span> <span class=\"n\">json<\/span><span class=\"p\">.<\/span><span class=\"n\">dumps<\/span><span class=\"p\">(<\/span><span class=\"n\">output_dict<\/span><span class=\"p\">,<\/span> <span class=\"n\">indent<\/span><span class=\"o\">=<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u7279\u306b\u4f55\u306e\u3072\u306d\u308a\u3082\u306a\u304ffor\u6587\u3092\u307e\u308f\u3057\u3066dict\u3092\u4f5c\u3063\u3066json\u5f62\u5f0f\u3067\u5410\u304d\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3082\u3063\u3068\u3046\u307e\u3044\u65b9\u6cd5\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u666e\u901a\u306b\u3084\u308b\u5834\u5408\u306fRDBMS\u3067\u3042\u308b\u4ee5\u4e0a\u3001\u30cd\u30b9\u30c8\u69cb\u9020\u306e\u90e8\u5206\u306bfor\u6587\u3092\u3042\u3066\u3066\u3044\u304f\u3053\u3068\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nRDBMS\u3068\u3044\u3046\u3053\u3068\u3067\u30c6\u30fc\u30d6\u30eb\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u3064\u304d\u3084\u3059\u3044\u3067\u3059\u304c\u3001\u305d\u308c\u3092JSON\u306b\u307e\u3068\u3081\u3066\u51fa\u529b\u3059\u308b\u306e\u306f\u5c11\u3057\u5927\u5909\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u5c3d\u7ba1\u5982\u6b64\uff0c\u7531\u4e8e\u7b26\u5408\u5c06\u5176\u8f93\u51fa\u4e3aJSON\u7684Dynamic Inventory\u89c4\u5219\uff0c<\/p>\n<pre class=\"post-pre\"><code>$ chmod +x postgresql_dynamic_inventory.py\r\n\r\n$ ansible -i .\/postgresql_dynamic_inventory.py sample-servers -m debug -a \"msg={{ host_var }}\"\r\n192.168.100.20 | SUCCESS =&gt; {\r\n    \"msg\": \"fuga\"\r\n}\r\n192.168.100.10 | SUCCESS =&gt; {\r\n    \"msg\": \"hoge\"\r\n}\r\n<\/code><\/pre>\n<p>\u6839\u636e\u6211\u7684\u7406\u89e3\uff0cDynamic Inventory\u529f\u80fd\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002<\/p>\n<h2>\u5982\u679c\u518d\u52a0\u628a\u52b2\u4e00\u70b9<br \/>\n\u9019\u6b21\u6211\u5011\u70ba\u4e86\u78ba\u8a8d\u6982\u5ff5\u65b9\u9762\uff0c\u800c\u4e0d\u9032\u884c\u5be6\u4f5c\u6216\u8a2d\u8a08\u4e0a\u7684\u5de7\u5999\u8655\u7406\uff0c\u5927\u5e45\u7701\u7565\u4e86\u7e41\u7463\u7684\u6b65\u9a5f\u3002\u4f8b\u5982\uff0c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b0\u30eb\u30fc\u30d7\u306e\u89aa\u5b50\u95a2\u4fc2(children)\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u3044<\/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\">groupvars\u3067\u5358\u7d14\u306akey:value\u306e\u5909\u6570\u3057\u304b\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">hostvars\u3067\u5358\u7d14\u306akey:value\u306e\u5909\u6570\u3057\u304b\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u3044<\/ul>\n<p>\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u89aa\u5b50\u95a2\u4fc2\u306f\u304a\u305d\u3089\u304fgroups\u30c6\u30fc\u30d6\u30eb\u306b\u89aa\u30b0\u30eb\u30fc\u30d7\u306e\u60c5\u5831\u3092\u4ed8\u52a0\u3059\u308c\u3070\u3042\u308b\u7a0b\u5ea6\u3044\u3051\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001vars\u3067key:value\u3060\u3051\u3067\u306a\u304f\u8f9e\u66f8\u5f62\u5f0f\u306e\u5909\u6570\u3092\u5c0e\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u3044\u308f\u3086\u308b\u7b2c\u4e00\u6b63\u898f\u5316\u306e\u554f\u984c\u306b\u3042\u305f\u308a\u3001\u3061\u3087\u3044\u3068\u9762\u5012\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305f\u3060\u3001\u6700\u8fd1\u306ePostgreSQL\u3084MySQL\u306a\u3069\u306f\u30c7\u30fc\u30bf\u578b\u3068\u3057\u3066 JSON\u578b \u306a\u3069\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u3053\u308c\u3089\u3092\u6d3b\u7528\u3059\u308b\u30681\u884c1\u30ab\u30e9\u30e0\u306e\u4e2d\u3067\u3082\u5b9f\u8cea\u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\n\u305f\u3060\u3001RDBMS\u3067JSON\u3092\u4f7f\u3046\u3068\u3044\u3046\u306e\u306f\u307e\u3060\u307e\u3060\u767a\u5c55\u9014\u4e0a\u306a\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3057\u3001\u4ed6\u306e\u7528\u9014\u304c\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u5f8c\u8ff0\u3059\u308b\u3088\u3046\u306a\u5143\u3005JSON\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3067\u304d\u308b\u5225\u306eNoSQL\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u9078\u629e\u3059\u308b\u307b\u3046\u304c\u3044\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h1>NoSQL\uff1a\u5982\u679c\u9009\u62e9MongoDB\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u8bd5\u8bd5\u5728MongoDB\u4e2d\u505a\u540c\u6837\u7684\u4e8b\u60c5\u3002<br \/>\nMongoDB\u662fNoSQL\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u79cd\uff0c\u88ab\u5f52\u7c7b\u4e3a\u6587\u6863\u578b\u6570\u636e\u5e93\uff0c\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u65e0\u6a21\u5f0f\u4e14\u53ef\u4ee5\u76f4\u63a5\u5b58\u50a8\u7c7b\u4f3cJSON\u683c\u5f0f\u7684\u6570\u636e\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u8bd5\u8bd5\u770b\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo docker pull docker.io\/tutum\/mongodb\r\n\r\n$ sudo docker run -d -p 27017:27017 -p 28017:28017 -e MONGODB_USER=\"mongo\" -e MONGODB_DATABASE=\"mongo\" -e MONGODB_PASS=\"password\" tutum\/mongodb\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u9700\u8981\u5b89\u88c5MongoDB\u5ba2\u6237\u7aef\u6765\u8bbf\u95eeMongoDB\u6570\u636e\u5e93\u3002\u56e0\u4e3a\u6807\u51c6\u4ed3\u5e93\u4e2d\u6ca1\u6709MongoDB\u5ba2\u6237\u7aef\uff0c\u53ea\u6709\u4e0eMongoDB\u672c\u4f53\u4e00\u8d77\u5b89\u88c5\u7684\u7248\u672c\uff0c\u8fd9\u611f\u89c9\u6709\u4e9b\u7e41\u7410\u3002\u6211\u4eec\u9700\u8981\u989d\u5916\u6dfb\u52a0\u5b98\u65b9\u4ed3\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code>[mongodb-org-3.2]\r\nname=MongoDB Repository\r\nbaseurl=https:\/\/repo.mongodb.org\/yum\/redhat\/$releasever\/mongodb-org\/3.2\/x86_64\/\r\ngpgcheck=1\r\nenabled=1\r\ngpgkey=https:\/\/www.mongodb.org\/static\/pgp\/server-3.2.asc\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5b89\u88c5Mongo\u5ba2\u6237\u7aef\uff0c\u5e76\u5c06\u6570\u636e\u5b58\u5165MongoDB\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code># mongo\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ sudo yum install mongodb-org-shell\r\n\r\n# MongoDB\u3078\u306e\u63a5\u7d9a\r\n$ mongo mongo -u mongo -p password\r\n\r\n# \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\r\n&gt; db.inventory.insert({\"_meta\":{\"hostvars\":{\"192\\uff0E168\\uff0E100\\uff0E10\":{\"host_var\":\"hoge\"},\"192\\uff0E168\\uff0E100\\uff0E20\":{\"host_var\":\"fuga\"}}},\"sample-servers\":{\"hosts\":[\"192\\uff0E168\\uff0E100\\uff0E10\",\"192\\uff0E168\\uff0E100\\uff0E20\"],\"vars\":{\"group_var\":\"hogefuga\"}}})\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\u5fae\u5999\u4e4b\u5904\u5728\u4e8eMongoDB\u5728\u89c4\u8303\u4e0a\u4e0d\u80fd\u5c06\u53e5\u70b9\u4f5c\u4e3a\u952e\u540d\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u4ed4\u7ec6\u89c2\u5bdf\u6d4b\u8bd5\u6570\u636e\uff0c\u4f60\u4f1a\u53d1\u73b0IP\u5730\u5740\u4e2d\u7684\u53e5\u70b9\u90e8\u5206\u88ab\u66ff\u6362\u4e3a\\uff0E\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">#!\/usr\/bin\/python\r\n# -*- coding:utf-8 -*-\r\n<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">pymongo<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">json<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">bson.json_util<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">dumps<\/span>\r\n\r\n<span class=\"c1\"># DB\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9\r\n<\/span><span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pymongo<\/span><span class=\"p\">.<\/span><span class=\"n\">MongoClient<\/span><span class=\"p\">(<\/span><span class=\"s\">'127.0.0.1'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">27017<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">db<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">mongo<\/span>\r\n<span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">authenticate<\/span><span class=\"p\">(<\/span><span class=\"s\">\"mongo\"<\/span><span class=\"p\">,<\/span><span class=\"s\">\"password\"<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">inventory<\/span> <span class=\"o\">=<\/span> <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">inventory<\/span>\r\n<span class=\"n\">output_dict<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{}<\/span>\r\n\r\n<span class=\"c1\"># inventory\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u53d6\u5f97\r\n<\/span><span class=\"n\">output_dict<\/span><span class=\"p\">.<\/span><span class=\"n\">update<\/span><span class=\"p\">(<\/span><span class=\"n\">inventory<\/span><span class=\"p\">.<\/span><span class=\"n\">find<\/span><span class=\"p\">()[<\/span><span class=\"mi\">0<\/span><span class=\"p\">])<\/span>\r\n\r\n<span class=\"c1\"># \u30aa\u30d6\u30b8\u30a7\u30af\u30c8ID\u306e\u9664\u53bb\r\n<\/span><span class=\"k\">del<\/span> <span class=\"n\">output_dict<\/span><span class=\"p\">[<\/span><span class=\"s\">\"_id\"<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\"># \u8f9e\u66f8\u3092JSON\u5f62\u5f0f\u3057\u3066\u6a19\u6e96\u51fa\u529b\u3059\u308b\r\n<\/span><span class=\"k\">print<\/span> <span class=\"n\">json<\/span><span class=\"p\">.<\/span><span class=\"n\">dumps<\/span><span class=\"p\">(<\/span><span class=\"n\">output_dict<\/span><span class=\"p\">,<\/span> <span class=\"n\">indent<\/span><span class=\"o\">=<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u5f53\u7136\u7684\u4e8b\u60c5\uff0c\u4f46\u5728MongoDB\u4e2d\uff0c\u6211\u4eec\u53ea\u662f\u5c06\u76ee\u6807JSON\u6570\u636e\u63d2\u5165\u5176\u4e2d\uff0c\u7a0b\u5e8f\u7aef\u6ca1\u6709\u7279\u522b\u9700\u8981\u505a\u7684\u4e8b\u60c5\u3002<br \/>\n\u5982\u679c\u8981\u8bf4\u7684\u8bdd\uff0c\u4e5f\u5c31\u662f\u9664\u53bb\u4e86MongoDB\u81ea\u52a8\u8d4b\u4e88\u7684\u5bf9\u8c61ID\u3002<\/p>\n<p>\u5373\u4f7f\u89c2\u5bdf\u5230\u5b9e\u9645\u884c\u52a8\uff0c<\/p>\n<pre class=\"post-pre\"><code>$ chmod +x mongodb_dynamic_inventory.py\r\n\r\n$ ansible -i .\/mongodb_dynamic_inventory.py sample-servers -m debug -a \"msg={{ host_var }}\"\r\n192\uff0e168\uff0e100\uff0e20 | SUCCESS =&gt; {\r\n    \"msg\": \"fuga\"\r\n}\r\n192\uff0e168\uff0e100\uff0e10 | SUCCESS =&gt; {\r\n    \"msg\": \"hoge\"\r\n}\r\n<\/code><\/pre>\n<p>\u770b\u8d77\u6765\u6ca1\u6709\u4ec0\u4e48\u7279\u522b\u7684\u95ee\u9898\u3002<\/p>\n<h2>\u53e5\u53f7\u7684\u4f7f\u7528\u65b9\u5f0f<br \/>\n\u6b63\u3057\u304f\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u8abf\u6574\u3057\u3066\u3001\u30d4\u30ea\u30aa\u30c9\u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6b63\u3057\u304f\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u3001MongoDB\u306b\u683c\u7d0d\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>$ .\/mongodb_dynamic_inventory.py\r\n{\r\n    \"_meta\": {\r\n        \"hostvars\": {\r\n            \"192\\uff0e168\\uff0e100\\uff0e10\": {\r\n                \"host_var\": \"hoge\"\r\n            },\r\n            \"192\\uff0e168\\uff0e100\\uff0e20\": {\r\n                \"host_var\": \"fuga\"\r\n            }\r\n        }\r\n    },\r\n    \"sample-servers\": {\r\n        \"hosts\": [\r\n            \"192\\uff0e168\\uff0e100\\uff0e10\",\r\n            \"192\\uff0e168\\uff0e100\\uff0e20\"\r\n        ],\r\n        \"vars\": {\r\n            \"group_var\": \"hogefuga\"\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4f5c\u4e3aDynamic Inventory\u7684\u8f93\u51fa\uff0c\u7f16\u7801\u4ecd\u7136\u4fdd\u6301\u4e0d\u53d8\u3002<br \/>\n\u6211\u77e5\u9053\u53ef\u4ee5\u901a\u8fc7\u5bf9\u6240\u6709\u952e\u8fdb\u884c\u626b\u63cf\u548c\u66ff\u6362\u7b49\u65b9\u6cd5\uff0c\u4f46\u73b0\u5728\u5b83\u4ecd\u7136\u53ef\u4ee5\u5de5\u4f5c\uff0c\u5e76\u4e14\u56e0\u4e3a\u9ebb\u70e6\u6240\u4ee5\u6211\u6ca1\u6709\u53bb\u505a\u3002<br \/>\n\u5982\u679c\u80fd\u591f\u5728\u5c06\u6570\u636e\u6295\u5165MongoDB\u540e\u7528Python\u8fdb\u884c\u63d0\u53d6\u7684\u6d41\u7a0b\u4e2d\u6539\u8fdb\u4e00\u4e0b\u5c31\u66f4\u597d\u4e86&#8230;\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u6216\u8bb8\u6709\u4e9b\u4eba\u5df2\u7ecf\u6ce8\u610f\u5230\u4e86\uff0c\u7531\u4e8e\u8fd9\u4e2a\u5f71\u54cd\uff0cAnsible\u8f93\u51fa\u7684\u4e3b\u673a\u540d\u53d8\u5f97\u6709\u70b9\u5947\u602a\u3002<\/p>\n<pre class=\"post-pre\"><code>[\u666e\u901a]\r\n192.168.100.10 | SUCCESS =&gt; {\r\n    \"msg\": \"hoge\"\r\n}\r\n\r\n[\u4eca\u56de]\r\n192\uff0e168\uff0e100\uff0e10 | SUCCESS =&gt; {\r\n    \"msg\": \"hoge\"\r\n}\r\n<\/code><\/pre>\n<p>\u53e5\u53f7\u662f\u5168\u89d2\u7684\u3002\u867d\u7136\u6709\u70b9\u8ba8\u538c\uff0c\u4f46\u662f\u5fcd\u8010\u4e00\u4e0b\u5427\u3002<\/p>\n<h1>\u7ed3\u675f\u65f6\u4f60\u89c9\u5f97\u600e\u4e48\u6837\u5462\uff1f<br \/>\n\u542c\u8d77\u6765Dynamic Inventory\u4f3c\u4e4e\u662f\u4e00\u4e2a\u590d\u6742\u7684\u673a\u5236\uff0c\u4f46\u4e8b\u5b9e\u4e0a\u5b83\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684JSON\u3002<br \/>\n\u5982\u679c\u4f60\u6b63\u5728\u8d39\u529b\u5730\u4f7f\u7528\u9759\u6001\u6587\u4ef6\u6765\u7ba1\u7406\u5927\u91cf\u7684\u4e3b\u673a\uff0c\u4e5f\u8bb8\u5c06\u5176\u8f6c\u5316\u4e3aDynamic Inventory\u662f\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<br \/>\n\u8fd9\u6b21\u6211\u4eec\u4f7f\u7528\u4e86PostgreSQL\u548cMongoDB\u4f5c\u4e3a\u540e\u7aef\uff0c\u4f46\u6839\u636e\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u53ef\u80fd\u8fd8\u53ef\u4ee5\u66f4\u52a0\u7b80\u5355\u548c\u7b80\u6d01\u5730\u8fd0\u884c\u3002<\/p>\n<p>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<br \/>\n\uff08\u53ef\u4ee5\u770b\u5230Ansible 2.4\u7684\u8def\u7ebf\u56fe\u4e2d\u6709&#8221;Inventory Overhaul(\u6e05\u70b9\u6e05\u5355)&#8221;\u8fd9\u4e00\u8bcd\uff0c\u4f46\u5728\u4e86\u89e3\u8be6\u7ec6\u60c5\u51b5\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u9759\u5f85\u6d88\u606f\u3002\u3002\u3002\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148Ansible\u662f\u4ee5&#8221;\u975e\u5e38\u7b80\u5355&#8221;\u4e3a\u53e3\u53f7\u800c\u5f00\u59cb\u4f7f\u7528\u7684\u3002 \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30ec\u30b9 &nbsp; [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30027","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a Ansible \u52a8\u6001\u6e05\u5355\uff01 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a Ansible \u52a8\u6001\u6e05\u5355\uff01\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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