{"id":43522,"date":"2023-03-18T05:46:28","date_gmt":"2023-11-19T03:49:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%99%ae%e7%bd%97%e7%b1%b3%e4%bf%ae%e6%96%af%ef%bc%9a%e5%af%b9%e8%ad%a6%e6%8a%a5%e8%a7%84%e5%88%99%e8%bf%9b%e8%a1%8c%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95%e3%80%82\/"},"modified":"2024-04-29T19:24:47","modified_gmt":"2024-04-29T11:24:47","slug":"%e6%99%ae%e7%bd%97%e7%b1%b3%e4%bf%ae%e6%96%af%ef%bc%9a%e5%af%b9%e8%ad%a6%e6%8a%a5%e8%a7%84%e5%88%99%e8%bf%9b%e8%a1%8c%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%99%ae%e7%bd%97%e7%b1%b3%e4%bf%ae%e6%96%af%ef%bc%9a%e5%af%b9%e8%ad%a6%e6%8a%a5%e8%a7%84%e5%88%99%e8%bf%9b%e8%a1%8c%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95%e3%80%82\/","title":{"rendered":"\u666e\u7f57\u7c73\u4fee\u65af\uff1a\u5bf9\u8b66\u62a5\u89c4\u5219\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5"},"content":{"rendered":"<p>\u6211\u5728 Prometheus \u6dfb\u52a0\u7684\u5355\u5143\u6d4b\u8bd5\u529f\u80fd\u4e2d\u5c1d\u8bd5\u4e86\u8b66\u62a5\u89c4\u5219\u548c\u8bb0\u5f55\u89c4\u5219\u7684\u6d4b\u8bd5\u3002\u7531\u4e8e\u6b64\u6587\u7ae0\u7684\u64b0\u5199\u65f6\u95f4\u8fd8\u662f\u6700\u65b0\u7248\u672c\u7684 Prometheus v2.4.3 \u5e76\u6ca1\u6709\u5305\u542b\u6b64\u529f\u80fd\uff0c\u56e0\u6b64\u6211\u4f7f\u7528\u4e86 master \u5206\u652f\u7684 Docker \u955c\u50cf\u3002\u7531\u4e8e\u5c1a\u672a\u53d1\u5e03\uff0c\u56e0\u6b64\u53ef\u80fd\u4f1a\u6709\u89c4\u683c\u66f4\u6539\uff0c\u8bf7\u6ce8\u610f\u3002<\/p>\n<h2>\u80cc\u666f &#8211; (background)<\/h2>\n<p>\u6b64\u524d\uff0c\u6709\u5173 Prometheus \u8b66\u62a5\u89c4\u5219\u7684\u5355\u5143\u6d4b\u8bd5\u7684\u8981\u6c42\u5df2\u7ecf\u5728\u95ee\u9898\uff08#1695\uff09\u4e2d\u63d0\u51fa\u3002\u8be5\u8981\u6c42\u4e5f\u88ab\u5217\u4e3a 2018 \u5e74 Google Summer of Code \u7684\u9879\u76ee\u60f3\u6cd5\uff0c\u5e76\u4e14 Ganesh Vernekar \u5148\u751f\u5df2\u7ecf\u5bf9\u6b64\u8fdb\u884c\u4e86\u5b9e\u73b0\u3002<\/p>\n<ul class=\"post-ul\">\u5b9f\u88c5\u306e PR: Unit testing for rules by codesome \u00b7 Pull Request #4350 \u00b7 prometheus\/prometheus \u00b7 GitHub<\/ul>\n<h2>\u4f7f\u7528promtool test\u547d\u4ee4<\/h2>\n<p>\u5728 Prometheus \u7684\u5b9e\u7528\u5de5\u5177\u547d\u4ee4 &#8220;promtool&#8221; \u4e2d\uff0cAlert Rule \u7684\u5355\u5143\u6d4b\u8bd5\u4f5c\u4e3a &#8220;test rules&#8221; \u5b50\u547d\u4ee4\u88ab\u5b9e\u73b0\u3002<\/p>\n<p>\u56e0\u4e3apromtool\u5305\u542b\u5728Prometheus\u7684Docker\u955c\u50cf\u4e2d\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u9a8c\u8bc1\u547d\u4ee4\u3002\u7531\u4e8e\u9ed8\u8ba4\u7684Entrypoint\u662fprometheus\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u6211\u4eec\u5c06\u5176\u66f4\u6539\u4e3a\/bin\/sh\u4ee5\u6267\u884cshell\u5e76\u5728\u5176\u4e2d\u8fdb\u884c\u9a8c\u8bc1\u3002\u6211\u4eec\u5e0c\u671b\u4f7f\u7528\u672c\u5730\u7684\u5355\u5143\u6d4b\u8bd5\u5b9a\u4e49\u6587\u4ef6\uff0c\u56e0\u6b64\u9700\u8981\u5c06\u5f53\u524d\u76ee\u5f55\u6302\u8f7d\u5230Docker\u5bb9\u5668\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># master \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092 pull \u3059\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>docker pull prom\/prometheus:master\r\n\r\n<span class=\"c\"># Prometheus \u306e\u30a4\u30e1\u30fc\u30b8\u3067\u30b7\u30a7\u30eb\u3092\u5b9f\u884c<\/span>\r\n<span class=\"nv\">$ <\/span>docker run <span class=\"nt\">-it<\/span> <span class=\"nt\">-v<\/span> <span class=\"nv\">$PWD<\/span>:\/work <span class=\"nt\">-w<\/span> \/work <span class=\"nt\">--entrypoint<\/span> \/bin\/sh prom\/prometheus:master\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u64cd\u4f5c\u5728\u5bb9\u5668\u5185\u7684Shell\u4e2d\u6267\u884c\u3002\u57fa\u672c\u4e0a\uff0c\u60a8\u53ea\u9700\u5c06\u5305\u542b\u5355\u5143\u6d4b\u8bd5\u5b9a\u4e49\u7684yaml\u6587\u4ef6\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9promtool test rules\u547d\u4ee4\u3002\u5728\u6b64\uff0c\u6211\u4eec\u5c06\u6d4b\u8bd5\u5b9a\u4e49\u6587\u4ef6\u653e\u5728\u5f53\u524d\u76ee\u5f55\u4e2d\u8fdb\u884c\u51c6\u5907\u3002<\/p>\n<h3>\u8003\u8bd5\u6267\u884c\uff08\u6210\u529f\uff09<\/h3>\n<p>test.yaml\u662f\u4e00\u4e2a\u5355\u5143\u6d4b\u8bd5\u7684\u5b9a\u4e49\u6587\u4ef6\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u3002\u5982\u679c\u6d4b\u8bd5\u6210\u529f\uff0c\u5219\u663e\u793a\u201cSUCCESS\u201d\uff0c\u5e76\u4ee50\u4f5c\u4e3a\u8fd4\u56de\u503c\u8fd4\u56de\u3002<\/p>\n<pre class=\"post-pre\"><code>\/work <span class=\"nv\">$ <\/span>promtool <span class=\"nb\">test <\/span>rules test.yaml \r\nUnit Testing:  test.yaml\r\n  SUCCESS\r\n\r\n<span class=\"c\"># \u623b\u308a\u5024\u306f 0<\/span>\r\n\/work <span class=\"nv\">$ <\/span><span class=\"nb\">echo<\/span> <span class=\"nv\">$?<\/span>\r\n0\r\n<\/code><\/pre>\n<h3>\u8003\u8bd5\u6267\u884c\uff08\u5931\u8d25\uff09<\/h3>\n<p>\u5982\u679c\u6d4b\u8bd5\u5931\u8d25\uff0c\u5c06\u663e\u793a\u201cFAILED\u201d\uff0c\u5e76\u663e\u793a\u671f\u671b\u503c(exp)\u548c\u5b9e\u9645\u503c(got)\u3002\u8fd4\u56de\u503c\u5c06\u4e3a1\u3002<\/p>\n<pre class=\"post-pre\"><code>\/work <span class=\"nv\">$ <\/span>promtool <span class=\"nb\">test <\/span>rules failed.yaml\r\nUnit Testing:  failed.yaml\r\n  FAILED:\r\n    alertname:NodeNotReady, <span class=\"nb\">time<\/span>:10m0s, \r\n        exp:<span class=\"s2\">\"[Labels:{alertname=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">NodeNotReady<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, condition=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">Ready<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, node=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">mynode<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, severity=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">notice<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, status=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">true<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} Annotations:{text=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">node mynode is not ready for more than 10 minutes.<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">}]\"<\/span>, \r\n        got:<span class=\"s2\">\"[Labels:{alertname=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">NodeNotReady<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, condition=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">Ready<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, node=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">othernode<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, severity=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">notice<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, status=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">true<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} Annotations:{text=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">node othernode is not ready for more than 10 minutes.<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">}]\"<\/span>\r\n\r\n<span class=\"c\"># \u623b\u308a\u5024\u306f 1<\/span>\r\n\/work <span class=\"nv\">$ <\/span><span class=\"nb\">echo<\/span> <span class=\"nv\">$?<\/span>\r\n1\r\n<\/code><\/pre>\n<h3>\u8bf7\u5e2e\u52a9\u6211<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c\"># promtool test \u306e\u30d8\u30eb\u30d7\u3092\u5b9f\u884c<\/span>\r\n\/work <span class=\"nv\">$ <\/span>promtool <span class=\"nb\">test<\/span> <span class=\"nt\">--help<\/span>\r\nusage: promtool <span class=\"nb\">test<\/span> &lt;<span class=\"nb\">command<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">[<\/span>&lt;args&gt; ...]\r\n\r\nUnit testing.\r\n\r\nFlags:\r\n  <span class=\"nt\">-h<\/span>, <span class=\"nt\">--help<\/span>     Show context-sensitive <span class=\"nb\">help<\/span> <span class=\"o\">(<\/span>also try <span class=\"nt\">--help-long<\/span> and <span class=\"nt\">--help-man<\/span><span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\n      <span class=\"nt\">--version<\/span>  Show application version.\r\n\r\nSubcommands:\r\n  <span class=\"nb\">test <\/span>rules &lt;test-rule-file&gt;...\r\n    Unit tests <span class=\"k\">for <\/span>rules.\r\n<\/code><\/pre>\n<h2>\u8b66\u62a5\u89c4\u5219\u7684\u6d4b\u8bd5\u5b9a\u4e49<\/h2>\n<p>\u6211\u6765\u5b9a\u4e49\u5355\u5143\u6d4b\u8bd5\u3002\u9996\u5148\uff0c\u6211\u4eec\u51c6\u5907\u4e00\u4e2a\u7528\u4e8e\u5355\u5143\u6d4b\u8bd5\u7684\u8b66\u62a5\u89c4\u5219\u6587\u4ef6\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u6d4b\u8bd5 Kubernetes \u4e2d\u7684\u8282\u70b9\u572810\u5206\u949f\u5185\u672a\u51c6\u5907\u597d\u7684\u8b66\u62a5\u89c4\u5219\uff08KubeNotReady\uff09\u3002\u6587\u4ef6\u540d\u4e3aalerts.yaml\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">groups<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kube-state-metrics<\/span>\r\n  <span class=\"na\">rules<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">alert<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NodeNotReady<\/span>\r\n    <span class=\"na\">expr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kube_node_status_condition{condition=\"Ready\",status=\"true\"} == <\/span><span class=\"m\">0<\/span>\r\n    <span class=\"na\">for<\/span><span class=\"pi\">:<\/span> <span class=\"s\">10m<\/span>\r\n    <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">severity<\/span><span class=\"pi\">:<\/span> <span class=\"s\">notice<\/span>\r\n    <span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">text<\/span><span class=\"pi\">:<\/span> <span class=\"s\">node {{ $labels.node }} is not ready for more than 10 minutes.<\/span>\r\n<\/code><\/pre>\n<p>\u4e0b\u9762\u5c06\u8bf4\u660e\u5355\u5143\u6d4b\u8bd5\u7684\u5b9a\u4e49\u3002\u8f93\u5165\u7684\u65f6\u95f4\u5e8f\u5217\uff08input_series\uff09\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u7684\u5c55\u5f00\u7b26\u53f7\uff08\u540e\u8ff0\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># \u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u30eb\u30fc\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059<\/span>\r\n<span class=\"na\">rule_files<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"s\">alerts.yaml<\/span>\r\n\r\n<span class=\"c1\"># \u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u3092\u8a18\u8f09\u3057\u307e\u3059<\/span>\r\n<span class=\"na\">tests<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"na\">interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">1m<\/span>                <span class=\"c1\"># input series \u306e values \u306e timeseries \u3092\u8a18\u9332\u3059\u308b\u9593\u9694<\/span>\r\n\r\n  <span class=\"c1\"># \u60f3\u5b9a\u3059\u308b\u5165\u529b\u306e timeseries \u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/span>\r\n  <span class=\"na\">input_series<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">kube_node_status_condition{condition=\"Ready\",status=\"true\",<\/span> <span class=\"s\">node=\"mynode\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0+0x15<\/span>            <span class=\"c1\"># 0 \u306e\u5024\u3092 15 \u56de interval \u306e\u9593\u9694\u3067\u7e70\u308a\u8fd4\u3059<\/span>\r\n\r\n  <span class=\"c1\"># \u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/span>\r\n  <span class=\"na\">alert_rule_test<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">eval_time<\/span><span class=\"pi\">:<\/span> <span class=\"s\">10m<\/span>            <span class=\"c1\"># \u8a55\u4fa1\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0 (\u30c6\u30b9\u30c8\u8d77\u52d5\u6642\u3092\u8d77\u70b9\u3068\u3057\u305f\u6642\u9593)<\/span>\r\n    <span class=\"na\">alertname<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NodeNotReady<\/span>   <span class=\"c1\"># \u30a2\u30e9\u30fc\u30c8\u540d<\/span>\r\n    <span class=\"na\">exp_alerts<\/span><span class=\"pi\">:<\/span>               <span class=\"c1\"># \u671f\u5f85\u3059\u308b\u30a2\u30e9\u30fc\u30c8\u306e\u72b6\u614b<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">exp_labels<\/span><span class=\"pi\">:<\/span>             <span class=\"c1\"># \u671f\u5f85\u3059\u308b\u30a2\u30e9\u30fc\u30c8\u306e\u30e9\u30d9\u30eb\u3002\u3059\u3079\u3066\u8a18\u8f09\u3059\u308b<\/span>\r\n        <span class=\"na\">severity<\/span><span class=\"pi\">:<\/span> <span class=\"s\">notice<\/span>\r\n        <span class=\"na\">node<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mynode<\/span>\r\n        <span class=\"na\">condition<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Ready<\/span>\r\n        <span class=\"na\">status<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n      <span class=\"na\">exp_annotations<\/span><span class=\"pi\">:<\/span>        <span class=\"c1\"># \u671f\u5f85\u3059\u308b\u30a2\u30e9\u30fc\u30c8\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3<\/span>\r\n        <span class=\"na\">text<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">node<\/span> <span class=\"s\">mynode<\/span> <span class=\"s\">is<\/span> <span class=\"s\">not<\/span> <span class=\"s\">ready<\/span> <span class=\"s\">for<\/span> <span class=\"s\">more<\/span> <span class=\"s\">than<\/span> <span class=\"s\">10<\/span> <span class=\"s\">minutes.\"<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u5728\u5bb9\u5668\u5185\u8fd0\u884c\u6d4b\u8bd5\uff0c\u5e76\u786e\u8ba4\u6d4b\u8bd5\u901a\u8fc7\u3002<\/p>\n<pre class=\"post-pre\"><code>\/work <span class=\"nv\">$ <\/span>promtool <span class=\"nb\">test <\/span>rules test.yaml\r\nUnit Testing:  test.yaml\r\n  SUCCESS\r\n<\/code><\/pre>\n<p>\u8bd5\u7740\u5c06input_series\u7684\u503c\u66f4\u6539\u4e3a1+0x15\uff0c\u4ee5\u786e\u8ba4\u6d4b\u8bd5\u65e0\u6cd5\u901a\u8fc7\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u30a2\u30e9\u30fc\u30c8\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u306e\u3067\u30a2\u30e9\u30fc\u30c8\u304c\u4e0a\u304c\u3089\u306a\u3044<\/span>\r\n\/work <span class=\"nv\">$ <\/span>promtool <span class=\"nb\">test <\/span>rules test.yaml \r\nUnit Testing:  test.yaml\r\n  FAILED:\r\n    alertname:NodeNotReady, <span class=\"nb\">time<\/span>:10m0s, \r\n        exp:<span class=\"s2\">\"[Labels:{alertname=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">NodeNotReady<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, condition=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">Ready<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, node=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">mynode<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, severity=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">notice<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, status=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">true<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} Annotations:{text=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">node mynode is not ready for more than 10 minutes.<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">}]\"<\/span>, \r\n        got:<span class=\"s2\">\"[]\"<\/span>\r\n<\/code><\/pre>\n<h3>\u5bf9\u4e8e\u5c1d\u8bd5\u8fc7\u540e\u7684\u611f\u53d7\u5982\u4f55\uff1f<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3044\u304f\u3064\u304b\u65e2\u5b58\u306e\u30a2\u30e9\u30fc\u30c8\u306e\u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u8907\u96d1\u306a PromQL \u306f\u3084\u306f\u308a\u30c6\u30b9\u30c8\u304c\u3042\u308b\u3068\u5b89\u5fc3\u3067\u304d\u307e\u3057\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>\u7279\u306b\u4ed6\u4eba\u304c\u66f8\u3044\u305f\u30a2\u30e9\u30fc\u30c8\u3060\u3068\u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3053\u3068\u3067\u610f\u5473\u304c\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3057\u305f<\/p>\n<p>\u30a2\u30e9\u30fc\u30c8\u304c\u4e0a\u304c\u3089\u306a\u3044\u5883\u754c\u5024\u306e\u30c6\u30b9\u30c8\u3092\u3069\u3046\u3084\u308b\u304b<\/p>\n<p>\u73fe\u72b6 exp_alerts: [] \u3068\u3059\u308b\u3068\u30a2\u30e9\u30fc\u30c8\u304c\u4e0a\u304c\u3089\u306a\u3044\u5834\u5408\u3068\u4e00\u81f4\u3057\u307e\u3059\u304c\u4ed5\u69d8\u306a\u306e\u304b\u306f\u4e0d\u660e\u3067\u3057\u305f<\/p>\n<h2>\u5f55\u97f3\u89c4\u5219\u7684\u6d4b\u8bd5\u5b9a\u4e49<\/h2>\n<p>\u60a8\u53ef\u4ee5\u50cf\u8b66\u62a5\u89c4\u5219\u4e00\u6837\u4f7f\u7528\u7c7b\u4f3c\u7684\u65b9\u6cd5\u6765\u8fdb\u884c\u5f55\u5236\u6d4b\u8bd5\u3002\u8fd9\u91cc\u4ee5\u8ba1\u7b97\u7a7a\u95f2\u8282\u70b9\u7684CPU\u65f6\u95f4\u4e3a\u4f8b\u8fdb\u884c\u5f55\u5236\u89c4\u5219\u7684\u6d4b\u8bd5\u3002\u6587\u4ef6\u540d\u4e3arecording.yaml\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">groups<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">example-node-exporter-rules<\/span>\r\n  <span class=\"na\">rules<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"c1\"># CPU in use by CPU.<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">record<\/span><span class=\"pi\">:<\/span> <span class=\"s\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span>\r\n    <span class=\"na\">expr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sum(rate(node_cpu_seconds_total{mode!=\"idle\"}[5m])) without (mode)<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8b66\u62a5\u89c4\u5219\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 alert_rule_test \u6765\u5b9a\u4e49\u8b66\u62a5\u7684\u671f\u671b\u503c\u3002\u4f46\u662f\u5728\u8bb0\u5f55\u89c4\u5219\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 promql_expr_test \u6765\u4f7f\u7528 PromQL \u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">rule_files<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"s\">recording.yaml<\/span> <span class=\"c1\"># \u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30eb\u30fc\u30eb\u306e\u30d5\u30a1\u30a4\u30eb<\/span>\r\n\r\n<span class=\"na\">tests<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"na\">interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">1m<\/span>\r\n\r\n  <span class=\"c1\"># \u60f3\u5b9a\u3059\u308b\u5165\u529b\u306e timeseries \u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/span>\r\n  <span class=\"na\">input_series<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">node_cpu_seconds_total{mode=\"system\",<\/span> <span class=\"s\">cpu=\"0\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0+20x10<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">node_cpu_seconds_total{mode=\"user\",<\/span> <span class=\"s\">cpu=\"0\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0+40x10<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">node_cpu_seconds_total{mode=\"system\",<\/span> <span class=\"s\">cpu=\"1\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0+10x10<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">node_cpu_seconds_total{mode=\"user\",<\/span> <span class=\"s\">cpu=\"1\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0+20x10<\/span>\r\n\r\n  <span class=\"c1\"># PromQL \u3067\u5024\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059<\/span>\r\n  <span class=\"na\">promql_expr_test<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">eval_time<\/span><span class=\"pi\">:<\/span> <span class=\"s\">10m<\/span>\r\n    <span class=\"na\">expr<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">instance_cpu:node_cpu_seconds_not_idle:rate5m'<\/span> <span class=\"c1\"># PromQL<\/span>\r\n    <span class=\"na\">exp_samples<\/span><span class=\"pi\">:<\/span> <span class=\"c1\"># \u671f\u5f85\u3059\u308b\u3059\u308b\u7d50\u679c<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">instance_cpu:node_cpu_seconds_not_idle:rate5m{cpu=\"0\"}'<\/span>\r\n      <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"m\">1<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">instance_cpu:node_cpu_seconds_not_idle:rate5m{cpu=\"1\"}'<\/span>\r\n      <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"m\">0.5<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u786e\u4fdd\u6d4b\u8bd5\u901a\u8fc7\u3002<\/p>\n<pre class=\"post-pre\"><code>\/work\/recoding $ promtool test rules recording-test.yaml \r\nUnit Testing:  recording-test.yaml\r\n  SUCCESS\r\n<\/code><\/pre>\n<p>\u6d4b\u8bd5\u66f4\u6539input_series\u7684\u503c\uff0c\u4ee5\u786e\u8ba4\u6d4b\u8bd5\u65e0\u6cd5\u901a\u8fc7\u3002<\/p>\n<pre class=\"post-pre\"><code>\/work\/recoding <span class=\"nv\">$ <\/span>promtool <span class=\"nb\">test <\/span>rules recording-test.yaml \r\nUnit Testing:  recording-test.yaml\r\n  FAILED:\r\n    <span class=\"nb\">expr<\/span>:<span class=\"s1\">'instance_cpu:node_cpu_seconds_not_idle:rate5m'<\/span>, <span class=\"nb\">time<\/span>:10m0s, \r\n        exp:<span class=\"s2\">\"{__name__=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, cpu=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">0<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} 1E+00, {__name__=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, cpu=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">0<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} 1E+00, {__name__=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, cpu=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">1<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} 5E-01\"<\/span>, \r\n        got:<span class=\"s2\">\"{__name__=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, cpu=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">0<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} 2.3333333333333335E+00, {__name__=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, cpu=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">0<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} 2.3333333333333335E+00, {__name__=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">instance_cpu:node_cpu_seconds_not_idle:rate5m<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">, cpu=<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">1<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">} 5E-01\"<\/span>\r\n<\/code><\/pre>\n<h3>\u5c1d\u8bd5\u540e\u7684\u611f\u53d7<\/h3>\n<ul class=\"post-ul\">\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30eb\u30fc\u30eb\u306e\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u8a18\u9332\u3055\u308c\u308b\u304b\u304c\u30c6\u30b9\u30c8\u306e\u671f\u5f85\u5024\u3068\u3057\u3066\u8a18\u8f09\u3067\u304d\u308f\u304b\u308a\u3084\u3059\u304b\u3063\u305f\u3067\u3059<\/ul>\n<h2>\u8f93\u5165\u7cfb\u5217\u7684\u8868\u793a\u65b9\u6cd5<\/h2>\n<p>\u8f93\u5165\u7cfb\u5217\u7684\u503c\u6709\u4e24\u79cd\u8868\u793a\u65b9\u6cd5\uff1a\u76f4\u63a5\u5199\u4e0b\u6570\u503c\u548c\u4f7f\u7528\u5c55\u5f00\u8868\u793a\u6cd5\u3002<\/p>\n<h3>\u76f4\u63a5\u8868\u793a<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u79cd\u5c06\u6570\u503c\u6392\u5217\u5728values\u4e2d\u7684\u65b9\u5f0f\u3002\u6570\u503c\u5c06\u4ee5interval\u7684\u95f4\u9694\u8bb0\u5f55timeseries\uff08\u7c7b\u4f3c\u4e8e\u6293\u53d6\u95f4\u9694\uff09\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6700\u521d\u7684\u503c\u662f0\uff0c\u6bcf1\u5206\u949f\u51fa\u73b05\u6b21\uff0c\u7136\u540e\u6bcf1\u5206\u949f\u51fa\u73b01\u6b21\uff0c\u6301\u7eed10\u5206\u949f\uff0c\u5f62\u6210\u4e86\u4e00\u7ec4\u6307\u6807\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"pi\">-<\/span> <span class=\"na\">interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">1m<\/span>\r\n\r\n  <span class=\"na\">input_series<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">kube_node_status_condition{condition=\"Ready\",status=\"true\",<\/span> <span class=\"s\">node=\"mynode\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0 0 0 0 0 1 1 1 1 <\/span><span class=\"m\">1<\/span>\r\n<\/code><\/pre>\n<h3>\u5c55\u5f00\u8bb0\u6cd5 j\u00ec f\u01ce)<\/h3>\n<p>\u5982\u679c\u4e00\u4e2a\u6570\u4ee5\u76f8\u540c\u7684\u503c\u6216\u56fa\u5b9a\u7684\u503c\u9012\u589e\uff0c\u53ef\u4ee5\u7528\u5c55\u5f00\u8868\u793a\u6cd5\u6765\u8868\u793a\u8be5\u503c\u3002\u524d\u9762\u63d0\u5230\u7684\u503c\u53ef\u4ee5\u7528 0+0x5 \u548c 1+0x5 \u8fd9\u4e24\u79cd\u5f62\u5f0f\u6765\u8868\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"pi\">-<\/span> <span class=\"na\">interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">1m<\/span>\r\n\r\n  <span class=\"na\">input_series<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">series<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">kube_node_status_condition{condition=\"Ready\",status=\"true\",<\/span> <span class=\"s\">node=\"mynode\"}'<\/span>\r\n    <span class=\"na\">values<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0+0x5 1+0x5<\/span>\r\n<\/code><\/pre>\n<p>\u6587\u4ef6\u4e2d\u6709\u8bf4\u660e\uff0c\u5176\u8bb0\u8f7d\u5982\u4e0b\u3002\u589e\u52a0\u503c\u5bf9\u4e8e\u8ba1\u6570\u578b\u6307\u6807\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<pre class=\"post-pre\"><code>a = \u521d\u671f\u5024\u3001b = \u5897\u52a0\u5024\u3001 c = \u56de\u6570 \u3068\u3059\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306b\u5c55\u958b\u3055\u308c\u307e\u3059 (x \u306f\u7e70\u308a\u8fd4\u3057\u306e\u610f\u5473)\r\n\r\n'a+bxc' : 'a a+b a+(2*b) a+(3*b) \u2026 a+(c*b)'\r\n'a-bxc' : 'a a-b a-(2*b) a-(3*b) \u2026 a-(c*b)'\r\n\r\n\u4f8b:\r\n'-2+4x3' : '-2 2 6 10'\r\n'1-2x4'  : '1 -1 -3 -5 -7'\r\n\r\n0+0x5 \u306e\u5834\u5408\u5897\u52a0\u5024\u304c 0 \u306a\u306e\u3067: '0 0 0 0 0' \u3068 0 \u304c5\u56de\u306b\u306a\u308a\u307e\u3059\r\n<\/code><\/pre>\n<h2>\u53c2\u8003\uff1a\u7528\u4e8e PromQL \u7684\u6d4b\u8bd5 DSL<\/h2>\n<p>\u5728 GitHub \u4e0a\u67e5\u770b\u7531 codesome \u53d1\u8d77\u7684\u7528\u4e8e\u89c4\u5219\u7684 PR \u5355\u5143\u6d4b\u8bd5 \u00b7 Pull Request #4350 \u00b7 prometheus\/prometheus\uff0c\u5176\u4e2d\u7684\u5355\u5143\u6d4b\u8bd5\u529f\u80fd\u901a\u8fc7\u6838\u5fc3\u90e8\u5206\u7684 unittest.go \u5b9e\u73b0\uff0c\u4ee3\u7801\u884c\u6570\u4e0d\u8d85\u8fc7 500 \u884c\uff0c\u975e\u5e38\u7cbe\u7b80\u3002<\/p>\n<p>\u56e0\u4e3a\u5b83\u4f7f\u7528\u4e86 Prometheus \u5185\u90e8\u4f7f\u7528\u7684 PromQL \u7528 DSL \u7ed3\u6784\uff08promql\/test.go\uff09\u3002\u4f8b\u5982\uff0c1+0x10 \u7b49\u7279\u6b8a\u8868\u793a\u6cd5\u4e5f\u662f\u53d7\u6b64 DSL \u8868\u793a\u65b9\u5f0f\u7684\u5f71\u54cd\u3002Prometheus \u4e2d\u4f7f\u7528\u7684\u6d4b\u8bd5\u7528 DSL \u53ef\u4f5c\u4e3a\u53c2\u8003\u6765\u4e86\u89e3 PromQL \u7684\u6d4b\u8bd5\u65b9\u6cd5\u3002<\/p>\n<p>PromQL \u7684\u6d4b\u8bd5\u7528DSL\u793a\u4f8b\uff08increase()\u51fd\u6570\u7684\u4e00\u90e8\u5206\uff09<\/p>\n<pre class=\"post-pre\"><code># Tests for increase().\r\nload 5m\r\n    http_requests{path=\"\/foo\"}  0+10x10\r\n    http_requests{path=\"\/bar\"}  0+10x5 0+10x5\r\n\r\n# Tests for increase().\r\neval instant at 50m increase(http_requests[50m])\r\n    {path=\"\/foo\"} 100\r\n    {path=\"\/bar\"}  90\r\n<\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<p>promtool test rules \u3067\u30a2\u30e9\u30fc\u30c8\u30eb\u30fc\u30eb\u3001\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30eb\u30fc\u30eb\u306e\u30c6\u30b9\u30c8\u304c\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f<br \/>\nPromQL \u306e\u30c6\u30b9\u30c8\u7528 DSL \u304c\u30d9\u30fc\u30b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059<br \/>\n\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u60f3\u5b9a\u5165\u529b\u5024\u3092\u66f8\u3044\u3066\u3001\u305d\u308c\u306b\u5bfe\u3057\u3066\u671f\u5f85\u3059\u308b\u30a2\u30e9\u30fc\u30c8\u3082\u3057\u304f\u306f PromQL \u306e\u7d50\u679c\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059<br \/>\n\u8907\u96d1\u306a\u30a2\u30e9\u30fc\u30c8\u3084\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30eb\u30fc\u30eb\u306f\u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u307f\u308b\u3068\u5b89\u5fc3\u611f\u304c\u3042\u308a\u307e\u3059<\/p>\n<h2>\u8bf7\u53c2\u8003<\/h2>\n<ul class=\"post-ul\">prometheus\/unit_testing_rules.md at master \u00b7 prometheus\/prometheus \u00b7 GitHub<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u5728 Prometheus \u6dfb\u52a0\u7684\u5355\u5143\u6d4b\u8bd5\u529f\u80fd\u4e2d\u5c1d\u8bd5\u4e86\u8b66\u62a5\u89c4\u5219\u548c\u8bb0\u5f55\u89c4\u5219\u7684\u6d4b\u8bd5\u3002\u7531\u4e8e\u6b64\u6587\u7ae0\u7684\u64b0\u5199\u65f6\u95f4\u8fd8\u662f\u6700\u65b0\u7248 [&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-43522","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u666e\u7f57\u7c73\u4fee\u65af\uff1a\u5bf9\u8b66\u62a5\u89c4\u5219\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, 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