{"id":49085,"date":"2023-09-21T22:44:19","date_gmt":"2024-02-09T02:46:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-terraform%e3%80%81ansible-%e5%92%8c-chef%ef%bc%8c%e4%bb%8e%e9%98%b5%e5%88%97%e4%b8%ad%e6%8f%90%e5%8f%96%e4%b8%80%e4%b8%aa%e5%85%b7%e6%9c%89%e7%89%b9%e5%ae%9a%e5%80%bc%e7%9a%84\/"},"modified":"2024-05-04T00:56:37","modified_gmt":"2024-05-03T16:56:37","slug":"%e4%bd%bf%e7%94%a8-terraform%e3%80%81ansible-%e5%92%8c-chef%ef%bc%8c%e4%bb%8e%e9%98%b5%e5%88%97%e4%b8%ad%e6%8f%90%e5%8f%96%e4%b8%80%e4%b8%aa%e5%85%b7%e6%9c%89%e7%89%b9%e5%ae%9a%e5%80%bc%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-terraform%e3%80%81ansible-%e5%92%8c-chef%ef%bc%8c%e4%bb%8e%e9%98%b5%e5%88%97%e4%b8%ad%e6%8f%90%e5%8f%96%e4%b8%80%e4%b8%aa%e5%85%b7%e6%9c%89%e7%89%b9%e5%ae%9a%e5%80%bc%e7%9a%84\/","title":{"rendered":"\u4f7f\u7528 Terraform\u3001Ansible \u548c Chef\uff0c\u4ece\u9635\u5217\u4e2d\u63d0\u53d6\u4e00\u4e2a\u5177\u6709\u7279\u5b9a\u503c\u7684\u54c8\u5e0c"},"content":{"rendered":"<p>\u5907\u5fd8\u5f55<\/p>\n<h1>\u6211\u60f3\u505a\u7684\u4e8b\u60c5<\/h1>\n<p>\u5728terraform\u4e2d\uff0c\u4ece\u4ee5\u4e0b\u7c7b\u4f3c\u54c8\u5e0c\uff08\u6620\u5c04\uff09\u6570\u7ec4\u5217\u8868\u4e2d\u63d0\u53d6name\u4e3an2\u7684attr\u3002\u786e\u4fdd\u952e\u662f\u552f\u4e00\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"na\">array_01<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n1<\/span>\r\n    <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr1<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n2<\/span>\r\n    <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr2<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n3<\/span>\r\n    <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr3<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u4f7f\u7528Ansible\uff0c\u53ef\u4ee5\u4f7f\u7528selectattr\u8fc7\u6ee4\u5668\uff0c\u800c\u5982\u679c\u4f7f\u7528chef|ruby\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528select\u65b9\u6cd5\u3002<\/p>\n<h1>\u65b9\u6cd52\uff1a\u4f7f\u7528 for \u5faa\u73af\u8fdb\u884c\u8865\u5145\uff082023\/02\uff09<\/h1>\n<p>\u5bf9\u4e8eterraform\u6765\u8bf4\uff0c\u5373\u4fbf\u7528for\u5faa\u73af\u4e5f\u662f\u53ef\u80fd\u7684\u3002<br \/>\n\u4f8b\u5982\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">locals<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">array_01<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nx\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"n1\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nx\">attr<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"attr1\"<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nx\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"n2\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nx\">attr<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"attr2\"<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nx\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"n3\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nx\">attr<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"attr3\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">output<\/span> <span class=\"s2\">\"out1\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">value<\/span> <span class=\"p\">=<\/span> <span class=\"kd\">local<\/span><span class=\"p\">.<\/span><span class=\"nx\">array_01<\/span><span class=\"p\">[<\/span><span class=\"nx\">index<\/span><span class=\"p\">(<\/span><span class=\"kd\">local<\/span><span class=\"p\">.<\/span><span class=\"nx\">array_01<\/span><span class=\"p\">.*.<\/span><span class=\"nx\">name<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"n2\"<\/span><span class=\"p\">)].<\/span><span class=\"nx\">attr<\/span>  <span class=\"c1\"># \u65b9\u6cd51<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">output<\/span> <span class=\"s2\">\"out2\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">value<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"nx\">for<\/span> <span class=\"nx\">x<\/span> <span class=\"nx\">in<\/span> <span class=\"kd\">local<\/span><span class=\"p\">.<\/span><span class=\"nx\">array_01<\/span> <span class=\"err\">:<\/span> <span class=\"nx\">x<\/span><span class=\"p\">.<\/span><span class=\"nx\">attr<\/span> <span class=\"nx\">if<\/span> <span class=\"nx\">x<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span> <span class=\"err\">==<\/span> <span class=\"s2\">\"n2\"<\/span><span class=\"p\">][<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span>  <span class=\"c1\"># \u65b9\u6cd52<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ terraform apply --auto-approve\r\n\r\nNo changes. Your infrastructure matches the configuration.\r\n\r\nTerraform has compared your real infrastructure against your configuration and found no differences, so no changes are needed.\r\n\r\nApply complete! Resources: 0 added, 0 changed, 0 destroyed.\r\n\r\nOutputs:\r\n\r\nout1 = \"attr2\"\r\nout2 = \"attr2\"\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u65b9\u6cd51\uff1a<\/p>\n<p>\u65b9\u6cd52\u662f\u901a\u8fc7\u8ffd\u52a0\u7684\u65b9\u5f0f\uff0c\u5728for\u5faa\u73af\u4e2d\u4f7f\u7528if\u8bed\u53e5\u9009\u62e9\u5143\u7d20\u3002\u7531\u4e8e\u7ed3\u679c\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u56e0\u6b64\u4f7f\u7528[0]\u6765\u63d0\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u6216\u8bb8\u65b9\u6cd52\u7a0d\u5fae\u66f4\u6613\u8bfb\u4e00\u4e9b\u3002<\/p>\n<h1>\u9009\u98791\uff1a\u4f7f\u7528\u901a\u914d\u7b26\u6307\u5b9a\u7d22\u5f15\u3002<\/h1>\n<h4>\u793a\uff1a<\/h4>\n<p>\u8bf7\u63d0\u4f9b\u4ee5\u4e0b\u4fe1\u606f\u7684\u4e2d\u6587\u7ffb\u8bd1\u3002<\/p>\n<p>\u8bf7\u4f7f\u7528\u4e00\u79cd\u9009\u62e9\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u4f7f\u7528.tf.json\u800c\u4e0d\u662f.ft\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"locals\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"array_01\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"n1\"<\/span><span class=\"p\">,<\/span> <span class=\"nl\">\"attr\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"attr1\"<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"n2\"<\/span><span class=\"p\">,<\/span> <span class=\"nl\">\"attr\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"attr2\"<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"n3\"<\/span><span class=\"p\">,<\/span> <span class=\"nl\">\"attr\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"attr3\"<\/span> <span class=\"p\">}<\/span>\r\n    <span class=\"p\">]<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"output\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"array_01_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"${ local.array_01.*.name }\"<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"nl\">\"n2_attr\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"${ local.array_01[ index( local.array_01.*.name, <\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">n2<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\"> ) ].attr }\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u8ba9\u5185\u5bb9\u66f4\u6613\u8bfb\uff0c\u4f7f\u7528yq\u5de5\u5177\u5c06\u5176\u683c\u5f0f\u5316\u4e3ayaml\uff0c\u5e76\u9644\u4e0a\u76f8\u5e94\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"s\">$ yq -y . main.tf.json<\/span>\r\n<span class=\"na\">locals<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">array_01<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n1<\/span>\r\n      <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr1<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n2<\/span>\r\n      <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr2<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n3<\/span>\r\n      <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr3<\/span>\r\n<span class=\"na\">output<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">array_01_name<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">${ local.array_01.*.name }<\/span>\r\n  <span class=\"na\">n2_attr<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">${ local.array_01[ index( local.array_01.*.name, \"n2\" ) ].attr }<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0clocal.array_01.*.name \u8868\u793a local.array_01 \u4e2d\u952e\u4e3a name: \u7684\u503c\u7684\u6570\u7ec4\uff08\u5217\u8868\uff09\u7684\u5143\u7d20\uff0c index( local.array_01.*.name, &#8220;n2&#8221; ) \u8868\u793a\u540d\u5b57\u4e3a n2 \u7684\u5143\u7d20\u7684\u7d22\u5f15\u53f7\uff08\u4ece0\u5f00\u59cb\uff09\u4e3a1\u3002\u4e5f\u53ef\u4f7f\u7528 local.array_01[*].name \u6765\u8868\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>$ terraform apply --auto-approve \r\n\r\nApply complete! Resources: 0 added, 0 changed, 0 destroyed.\r\n\r\nOutputs:\r\n\r\narray_01_name = [\r\n  \"n1\",\r\n  \"n2\",\r\n  \"n3\",\r\n]\r\nn2_attr = attr2\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u53ea\u6709local\u548coutput\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u8fdb\u884cterraform init\uff0c\u5373\u4f7f\u8fdb\u884c\u4e86terraform init\uff0c.terraform\u76ee\u5f55\u4e5f\u4e0d\u4f1a\u88ab\u521b\u5efa\u3002<\/p>\n<h3>\u8865\u5145\u8bf4\u660e<\/h3>\n<p>\u6b64\u5916\uff0c\u5728\u4ece\u8d44\u6e90\u83b7\u53d6\u57fa\u4e8e\u901a\u914d\u7b26\u7684\u6761\u4ef6\u65f6\uff0c\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u5143\u7d20\u7c7b\u578b\u4e0d\u5339\u914d\uff0c\u4f1a\u5bfc\u81f4\u7d22\u5f15\u9519\u8bef\u3002\u8fd9\u662fterraform\u6216provider\u7684bug\u5417\uff1f<br \/>\n\u901a\u8fc7\u4f7f\u7528for\u5faa\u73af\u521b\u5efa\u7684\u5217\u8868\u7ed9\u4e88\u7d22\u5f15\uff0c\u53ef\u4ee5\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h4>\u7528for\u5faa\u73af\u5c06\u5217\u8868\u4f20\u9012\u7ed9index\u4ee5\u907f\u514d\u7684\u793a\u4f8b\u3002<\/h4>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"locals\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"array_01\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n      <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"n1\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"attr\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"attr1\"<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"n2\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"attr\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"attr2\"<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"n3\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"attr\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"attr3\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">]<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"output\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"array_01_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"${ local.array_01.*.name }\"<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"nl\">\"n2_attr\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"${ local.array_01[ index( [ for s in local.array_01 : s.name ], <\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">n2<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">) ].attr }\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ terraform apply --auto-approve\r\n\r\nApply complete! Resources: 0 added, 0 changed, 0 destroyed.\r\n\r\nOutputs:\r\n\r\narray_01_name = [\r\n  \"n1\",\r\n  \"n2\",\r\n  \"n3\",\r\n]\r\nn2_attr = attr2\r\n<\/code><\/pre>\n<h1>Ansible\u7684\u793a\u4f8b<\/h1>\n<pre class=\"post-pre\"><code><span class=\"pi\">-<\/span> <span class=\"na\">hosts<\/span><span class=\"pi\">:<\/span> <span class=\"s\">all<\/span>\r\n  <span class=\"na\">gather_facts<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">false<\/span>\r\n  <span class=\"na\">vars<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">array_01<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n1<\/span>\r\n        <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr1<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n2<\/span>\r\n        <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr2<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">n3<\/span>\r\n        <span class=\"na\">attr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">attr3<\/span>\r\n  <span class=\"na\">tasks<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">debug<\/span><span class=\"pi\">:<\/span> <span class=\"s\">msg={{ ( array_01 | selectattr(\"name\", \"equalto\", \"n2\") | list )[0].attr }}<\/span>\r\n\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">debug<\/span><span class=\"pi\">:<\/span> <span class=\"s\">msg={{ ( array_01 | selectattr(\"name\", \"==\", \"n2\") | list )[0].attr }}<\/span>\r\n\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">debug<\/span><span class=\"pi\">:<\/span> <span class=\"s\">msg={{ ( array_01 | selectattr(\"name\", \"==\", \"n2\") | list | first ).attr }}<\/span>\r\n\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">debug<\/span><span class=\"pi\">:<\/span> <span class=\"s\">msg={{ ( array_01 | json_query(\"[?name=='n2'].attr\"))[0] }}<\/span>\r\n<\/code><\/pre>\n<p>\u3069\u3053\u304b\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089 | list \u306f\u4e0d\u8981\u3002(ansible 7.0.0, ansible-core 2.14.0\u306b\u3066\u78ba\u8a8d)<\/p>\n<p>json_query \u306b\u306f sudo pip install jmespath \u306a\u3069\u304c\u5fc5\u8981<\/p>\n<pre class=\"post-pre\"><code>$ ansible-playbook -i localhost, -c local selectattr.yml\r\nPLAY [all] *******************************************************************************************************\r\n\r\nTASK [debug] *****************************************************************************************************\r\nok: [localhost] =&gt; {\r\n    \"msg\": \"attr2\"\r\n}\r\n\r\n\u4ee5\u4e0b\u540c\u69d8\r\n<\/code><\/pre>\n<h1>\u4e3b\u53a8(\u6216\u8005\u53eb\u505aRuby)\u7684\u4f8b\u5b50<\/h1>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nb\">require<\/span> <span class=\"s1\">'yaml'<\/span>\r\n\r\n<span class=\"n\">array_01<\/span> <span class=\"o\">=<\/span> <span class=\"no\">YAML<\/span><span class=\"p\">.<\/span><span class=\"nf\">load<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;&lt;~<\/span><span class=\"no\">EOS<\/span><span class=\"p\">)<\/span><span class=\"sh\">\r\n  - name: n1\r\n    attr: attr1\r\n  - name: n2\r\n    attr: attr2\r\n  - name: n3\r\n    attr: attr3\r\n<\/span><span class=\"no\">EOS<\/span>\r\n\r\n<span class=\"nb\">p<\/span> <span class=\"n\">array_01<\/span><span class=\"p\">.<\/span><span class=\"nf\">select<\/span> <span class=\"p\">{<\/span> <span class=\"o\">|<\/span><span class=\"n\">e<\/span><span class=\"o\">|<\/span> <span class=\"n\">e<\/span><span class=\"p\">[<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">]<\/span> <span class=\"o\">==<\/span> <span class=\"s1\">'n2'<\/span> <span class=\"p\">}[<\/span><span class=\"mi\">0<\/span><span class=\"p\">][<\/span><span class=\"s1\">'attr'<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ ruby select.rb \r\n\"attr2\"\r\n<\/code><\/pre>\n<h1>\u8bf7\u53c2\u8003\uff1aterraform<\/h1>\n<p>&nbsp;<\/p>\n<p>\u6211\u7a0d\u5fae\u63d0\u5230\u4e86\u901a\u914d\u7b26\u3002<\/p>\n<p>\u5728\u516c\u5f0f\u7684\u7d22\u5f15\u9879\u4e2d\uff0c\u6ca1\u6709\u627e\u5230\u901a\u914d\u7b26\u7684\u8bf4\u660e\u3002<\/p>\n<h2>\u53c2\u8003: \u5b89\u9510\u601d<\/h2>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5907\u5fd8\u5f55 \u6211\u60f3\u505a\u7684\u4e8b\u60c5 \u5728terraform\u4e2d\uff0c\u4ece\u4ee5\u4e0b\u7c7b\u4f3c\u54c8\u5e0c\uff08\u6620\u5c04\uff09\u6570\u7ec4\u5217\u8868\u4e2d\u63d0\u53d6name\u4e3an2\u7684attr\u3002\u786e [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49085","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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