{"id":43766,"date":"2023-08-07T13:42:15","date_gmt":"2024-02-14T12:43:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%81%a5%e5%ba%b7%e6%a3%80%e6%9f%a5%e7%bb%88%e7%ab%af%e7%82%b9%e7%9a%84%e5%ae%9e%e7%8e%b0\/"},"modified":"2024-04-30T17:25:32","modified_gmt":"2024-04-30T09:25:32","slug":"%e5%81%a5%e5%ba%b7%e6%a3%80%e6%9f%a5%e7%bb%88%e7%ab%af%e7%82%b9%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%81%a5%e5%ba%b7%e6%a3%80%e6%9f%a5%e7%bb%88%e7%ab%af%e7%82%b9%e7%9a%84%e5%ae%9e%e7%8e%b0\/","title":{"rendered":"\u5065\u5eb7\u68c0\u67e5\u7ec8\u7aef\u70b9\u7684\u5b9e\u73b0"},"content":{"rendered":"<p>\u597d\u4e86\u597d\u4e86\uff0c\u4eca\u5929\u6211\u4eec\u6765\u5b9e\u73b0\u4e00\u4e2a\u50cf\u4e91\u539f\u751f\u5e94\u7528\u4e00\u6837\u7684\u5065\u5eb7\u68c0\u67e5\u7aef\u70b9\u5427\u3002<\/p>\n<h2>\u5b9e\u7528\u4ed3\u5e93\/ Go \u8fd0\u8425<\/h2>\n<p>\u6211\u4eec\u516c\u53f8\u867d\u7136\u6ca1\u6709\u516c\u5f00\uff0c\u4f46\u6211\u4eec\u5df2\u7ecf\u6574\u7406\u4e86\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5e94\u8be5\u5b9e\u73b0\u7684\u5404\u79cd\u7ec8\u7aef\u70b9\u4f5c\u4e3a\u89c4\u8303\u3002\u8fd9\u4efd\u89c4\u8303\u4e0d\u4ec5\u5305\u62ec\u5065\u5eb7\u68c0\u67e5\uff0c\u8fd8\u5305\u542b\u4e86\u8fd0\u8425\u6240\u9700\u7684\u4e00\u822c\u4fe1\u606f\uff0c\u5982\u6307\u6807\u7b49\u3002<\/p>\n<p>\u591a\u4e8f\u4e86\u8fd9\u4e2a\u5171\u540c\u89c4\u8303\uff0c\u6211\u4eec\u80fd\u591f\u5728\u56e2\u961f\u4e4b\u95f4\u7edf\u4e00\u8fd0\u8425\u6709\u7528\u4fe1\u606f\u7684\u516c\u5f00\u65b9\u5f0f\u3002<\/p>\n<p>\u5e76\u4e14\u8fd8\u4e3a\u5e38\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u5e93\uff0c\u4f8b\u5982\u9488\u5bf9Go\u8bed\u8a00\u7684\u5e93 utilitywarehouse\/go-operational \u5df2\u7ecf\u516c\u5f00\u53d1\u5e03\u3002<\/p>\n<p>\u6211\u5011\u5c07\u4f7f\u7528\u9019\u500b\u7a0b\u5f0f\u5eab\u4f86\u5be6\u73fe\u7aef\u9ede\u3002<\/p>\n<h2>\u65b0\u7684\u64cd\u4f5c\u5904\u7406\u5668\u51fd\u6570<\/h2>\n<p>\u6211\u4eec\u5c06\u5b9e\u73b0\u4e00\u4e2a\u8fd4\u56dehttp.Handler\u7684\u65b9\u6cd5newOpHandler\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">newOpHandler<\/span><span class=\"p\">()<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">HandlerFunc<\/span><span class=\"p\">(<\/span><span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">_<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ResponseWriter<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">*<\/span><span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Request<\/span><span class=\"p\">)<\/span> <span class=\"p\">{})<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u5904\u7406\u5668<\/h2>\n<p>\u73b0\u5728\u6709\u4e00\u4e2a\u540d\u4e3aNewHandler()\u7684API\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u63a7\u5236\u5668\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u5411\u5176\u4f20\u9012\u60f3\u8981\u516c\u5f00\u7684\u4fe1\u606f\u3002<br \/>\n\u60f3\u8981\u516c\u5f00\u7684\u4fe1\u606f\u88ab\u62bd\u8c61\u4e3a*Status\u7684\u5f62\u5f0f\uff0c\u8fd9\u4e2a\u6307\u9488\u5177\u6709\u8fd4\u56de\u81ea\u8eab\u7684API\u529f\u80fd\uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u94fe\u5f0f\u8c03\u7528\u65b9\u6cd5\u3002<br \/>\n\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528NewStatus()\uff0c\u5e76\u8bbe\u7f6e\u5e94\u7528\u7a0b\u5e8f\u540d\u79f0\u548c\u63cf\u8ff0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">newOpHandler<\/span><span class=\"p\">()<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">NewHandler<\/span><span class=\"p\">(<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">NewStatus<\/span><span class=\"p\">(<\/span><span class=\"n\">appName<\/span><span class=\"p\">,<\/span> <span class=\"n\">appDesc<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5011\u5c07\u5728\u4e4b\u524d\u8a2d\u7f6e\u865b\u64ec\u8655\u7406\u7a0b\u5e8f\u7684\u5730\u65b9\u8a2d\u7f6e\u65b0\u7684\u8655\u7406\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gd\">- http.HandleFunc(\"\/bar\", func(w http.ResponseWriter, r *http.Request) {\r\n-         fmt.Fprintln(w, \"Hello, world\")\r\n- })\r\n<\/span><span class=\"gi\">+ http.Handle(\"\/__\/\", newOpHandler())\r\n<\/span><\/code><\/pre>\n<p>\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5173\u4e8e\uff08\/__\/about\uff09\u7684\u7aef\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>.\/qiita-advent-calendar-2019 \r\nINFO[0000] Hello, world                                  <span class=\"nv\">git_hash<\/span><span class=\"o\">=<\/span>c9608991b89e925eaa7f335ceebe39c5342edd46\r\n\r\n<span class=\"nv\">$ <\/span>curl localhost:8080\/__\/about\r\n<span class=\"o\">{<\/span>\r\n    <span class=\"s2\">\"name\"<\/span>: <span class=\"s2\">\"qiita-advent-calendar-2019\"<\/span>,\r\n    <span class=\"s2\">\"description\"<\/span>: <span class=\"s2\">\"The sample micro service app\"<\/span>,\r\n    <span class=\"s2\">\"owners\"<\/span>: null,\r\n    <span class=\"s2\">\"build-info\"<\/span>: <span class=\"o\">{<\/span>\r\n      <span class=\"s2\">\"revision\"<\/span>: <span class=\"s2\">\"\"<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u786e\u8ba4\u80fd\u591f\u83b7\u53d6\u5230\u8bbe\u5b9a\u7684\u4fe1\u606f\u3002<\/p>\n<h2>\u5ea6\u91cf\u8861\u4fe1\u606f<\/h2>\n<p>\u5b9e\u9645\u4e0a\uff0c\u5728\u8fd9\u4e00\u65f6\u95f4\u70b9\u4e0a\u5df2\u7ecf\u516c\u5f00\u4e86\u6307\u6807\u4fe1\u606f\u3002\u8bf7\u5c1d\u8bd5\u8c03\u7528\/__\/metrics\u7ec8\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>curl localhost:8080\/__\/metrics\r\n<span class=\"c\"># HELP go_gc_duration_seconds A summary of the GC invocation durations.<\/span>\r\n<span class=\"c\"># TYPE go_gc_duration_seconds summary<\/span>\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0\"<\/span><span class=\"o\">}<\/span> 0\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0.25\"<\/span><span class=\"o\">}<\/span> 0\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0.5\"<\/span><span class=\"o\">}<\/span> 0\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0.75\"<\/span><span class=\"o\">}<\/span> 0\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"1\"<\/span><span class=\"o\">}<\/span> 0\r\ngo_gc_duration_seconds_sum 0\r\ngo_gc_duration_seconds_count 0\r\n    ...\r\n<\/code><\/pre>\n<p>\u7531\u4e8ePrometheus\u4ee5Prometheus\u683c\u5f0f\u8fdb\u884c\u53d1\u5e03\uff0c\u56e0\u6b64\u5728\u4f7f\u7528Prometheus\u65f6\uff0c\u8bf7\u914d\u7f6e\u5b83\u6765\u6293\u53d6\u8be5\u7aef\u70b9\u3002<\/p>\n<h2>\u6dfb\u52a0\u5065\u5eb7\u68c0\u67e5<\/h2>\n<p>\u5728\u6dfb\u52a0\u5065\u5eb7\u68c0\u67e5\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528AddChecker() API\u3002<\/p>\n<p>\u5c06\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f5c\u4e3a\u5065\u5eb7\u68c0\u67e5\u9879\u76ee\u7684\u540d\u79f0\uff0c\u5e76\u5c06\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f5c\u4e3a\u7528\u4e8e\u62a5\u544a\u5065\u5eb7\u7ed3\u679c\u7684\u51fd\u6570\u4f20\u9012\u3002<br \/>\n\u5728\u4f20\u9012\u7ed9\u8fd9\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u4e2d\uff0c*CheckResponse\u53ef\u4ee5\u516c\u5f00Healthy\u3001Degraded\u548cUnhealthy\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u6839\u636e\u60c5\u51b5\u8fdb\u884c\u8c03\u7528\u3002\u8fd9\u6b21\u6211\u4eec\u5c06\u5c1d\u8bd5\u4ee5\u5065\u5eb7\uff08Healthy\uff09\u4f5c\u4e3a\u865a\u62df\u62a5\u544a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">newOpHandler<\/span><span class=\"p\">()<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">NewHandler<\/span><span class=\"p\">(<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">NewStatus<\/span><span class=\"p\">(<\/span><span class=\"n\">appName<\/span><span class=\"p\">,<\/span> <span class=\"n\">appDesc<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">AddChecker<\/span><span class=\"p\">(<\/span><span class=\"s\">\"dummy health check\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">cr<\/span> <span class=\"o\">*<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">CheckResponse<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">cr<\/span><span class=\"o\">.<\/span><span class=\"n\">Healthy<\/span><span class=\"p\">(<\/span><span class=\"s\">\"I'm healthy!\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u5c1d\u8bd5\u8bbf\u95ee\/__\/health\u7ec8\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>curl localhost:8080\/__\/health\r\n<span class=\"o\">{<\/span>\r\n    <span class=\"s2\">\"name\"<\/span>: <span class=\"s2\">\"qiita-advent-calendar-2019\"<\/span>,\r\n    <span class=\"s2\">\"description\"<\/span>: <span class=\"s2\">\"The sample micro service app\"<\/span>,\r\n    <span class=\"s2\">\"health\"<\/span>: <span class=\"s2\">\"healthy\"<\/span>,\r\n    <span class=\"s2\">\"checks\"<\/span>: <span class=\"o\">[<\/span>\r\n      <span class=\"o\">{<\/span>\r\n        <span class=\"s2\">\"name\"<\/span>: <span class=\"s2\">\"dummy health check\"<\/span>,\r\n        <span class=\"s2\">\"health\"<\/span>: <span class=\"s2\">\"healthy\"<\/span>,\r\n        <span class=\"s2\">\"output\"<\/span>: <span class=\"s2\">\"I'm healthy!\"<\/span>\r\n      <span class=\"o\">}<\/span>\r\n    <span class=\"o\">]<\/span>\r\n <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u53ef\u4ee5\u786e\u8ba4\u62a5\u544a\u5df2\u7ecf\u6309\u7167\u8bbe\u5b9a\u8fdb\u884c\u3002<\/p>\n<h2>\u5176\u4ed6\u4fe1\u606f\u7684\u516c\u5f00<\/h2>\n<p>\u7531\u4e8ego-operational\u5e93\u63d0\u4f9b\u4e86\u5176\u4ed6\u6709\u7528\u7684API\uff0c\u6240\u4ee5\u6211\u5c06\u4ecb\u7ecd\u5176\u4e2d\u4e00\u4e9b\u3002<\/p>\n<ul class=\"post-ul\">Readiness\u30c1\u30a7\u30c3\u30af<\/ul>\n<p>\u5728Ready\u7cfb\u5217\u51fd\u6570\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5b9e\u73b0\u7528\u4e8e\u51c6\u5907\u68c0\u67e5\u7684\u7aef\u70b9\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u60c5\u51b5\u9009\u62e9\u81ea\u5b9a\u4e49\u5b9a\u4e49\u3001\u4f7f\u7528\u5065\u5eb7\u68c0\u67e5\u7ed3\u679c\u3001\u59cb\u7ec8\u8fd4\u56deReady\u7b49\u65b9\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">newOpHandler<\/span><span class=\"p\">()<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">NewHandler<\/span><span class=\"p\">(<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">NewStatus<\/span><span class=\"p\">(<\/span><span class=\"n\">appName<\/span><span class=\"p\">,<\/span> <span class=\"n\">appDesc<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">AddChecker<\/span><span class=\"p\">(<\/span><span class=\"s\">\"dummy health check\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">cr<\/span> <span class=\"o\">*<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">CheckResponse<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">cr<\/span><span class=\"o\">.<\/span><span class=\"n\">Healthy<\/span><span class=\"p\">(<\/span><span class=\"s\">\"I'm healthy!\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">})<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">ReadyUseHealthCheck<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>curl localhost:8080\/__\/ready\r\nready\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u3088\u308a\u8a73\u7d30\u306a\u30a2\u30d7\u30ea\u60c5\u5831<\/ul>\n<p>\u901a\u8fc7AddOwner()\u51fd\u6570\u6dfb\u52a0\u56e2\u961f\u4fe1\u606f\u548c\u56e2\u961f\u6240\u5c5e\u7684Slack\u9891\u9053\uff0c\u5e76\u901a\u8fc7SetRevision()\u51fd\u6570\u53d1\u5e03\u5e94\u7528\u7684\u7248\u672c\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">newOpHandler<\/span><span class=\"p\">()<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">NewHandler<\/span><span class=\"p\">(<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">NewStatus<\/span><span class=\"p\">(<\/span><span class=\"n\">appName<\/span><span class=\"p\">,<\/span> <span class=\"n\">appDesc<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">AddOwner<\/span><span class=\"p\">(<\/span><span class=\"s\">\"qiita-advent-calendar-team\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"#qiita-advent-calendar-2019\"<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">SetRevision<\/span><span class=\"p\">(<\/span><span class=\"n\">gitHash<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">AddChecker<\/span><span class=\"p\">(<\/span><span class=\"s\">\"dummy health check\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">cr<\/span> <span class=\"o\">*<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">CheckResponse<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">cr<\/span><span class=\"o\">.<\/span><span class=\"n\">Healthy<\/span><span class=\"p\">(<\/span><span class=\"s\">\"I'm healthy!\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">})<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">ReadyUseHealthCheck<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>curl localhost:8080\/__\/about\r\n<span class=\"o\">{<\/span>\r\n    <span class=\"s2\">\"name\"<\/span>: <span class=\"s2\">\"qiita-advent-calendar-2019\"<\/span>,\r\n    <span class=\"s2\">\"description\"<\/span>: <span class=\"s2\">\"The sample micro service app\"<\/span>,\r\n    <span class=\"s2\">\"owners\"<\/span>: <span class=\"o\">[<\/span>\r\n      <span class=\"o\">{<\/span>\r\n        <span class=\"s2\">\"name\"<\/span>: <span class=\"s2\">\"qiita-advent-calendar-team\"<\/span>,\r\n        <span class=\"s2\">\"slack\"<\/span>: <span class=\"s2\">\"#qiita-advent-calendar-2019\"<\/span>\r\n      <span class=\"o\">}<\/span>\r\n    <span class=\"o\">]<\/span>,\r\n    <span class=\"s2\">\"build-info\"<\/span>: <span class=\"o\">{<\/span>\r\n      <span class=\"s2\">\"revision\"<\/span>: <span class=\"s2\">\"67de87c0517ed2d477d2d27a6e2f250b2230ca93\"<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u3092\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u3057\u3066\u516c\u958b<\/ul>\n<p>\u901a\u8fc7 WithInstrumentedChecks() \u65b9\u6cd5\u5c06\u5065\u5eb7\u68c0\u67e5\u7684\u7ed3\u679c\u4f5c\u4e3a\u6307\u6807\u516c\u5f00\u3002\u5f53\u670d\u52a1\u5904\u4e8e\u4e0d\u5065\u5eb7\u72b6\u6001\u65f6\uff0c\u8fd9\u5bf9\u4e8e\u5b9e\u9645\u67e5\u660e\u4ece\u4f55\u65f6\u5f00\u59cb\u54ea\u4e2a\u5065\u5eb7\u68c0\u67e5\u51fa\u73b0\u95ee\u9898\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">newOpHandler<\/span><span class=\"p\">()<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">NewHandler<\/span><span class=\"p\">(<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">NewStatus<\/span><span class=\"p\">(<\/span><span class=\"n\">appName<\/span><span class=\"p\">,<\/span> <span class=\"n\">appDesc<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">AddOwner<\/span><span class=\"p\">(<\/span><span class=\"s\">\"qiita-advent-calendar-team\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"#qiita-advent-calendar-2019\"<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">SetRevision<\/span><span class=\"p\">(<\/span><span class=\"n\">gitHash<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">AddChecker<\/span><span class=\"p\">(<\/span><span class=\"s\">\"dummy health check\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">cr<\/span> <span class=\"o\">*<\/span><span class=\"n\">op<\/span><span class=\"o\">.<\/span><span class=\"n\">CheckResponse<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">cr<\/span><span class=\"o\">.<\/span><span class=\"n\">Healthy<\/span><span class=\"p\">(<\/span><span class=\"s\">\"I'm healthy!\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">})<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">ReadyUseHealthCheck<\/span><span class=\"p\">()<\/span><span class=\"o\">.<\/span>\r\n        <span class=\"n\">WithInstrumentedChecks<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>curl localhost:8080\/__\/metrics | <span class=\"nb\">grep <\/span>health\r\n<span class=\"c\"># HELP healthcheck_status Meters the healthcheck status based for each check and for each result<\/span>\r\n<span class=\"c\"># TYPE healthcheck_status gauge<\/span>\r\nhealthcheck_status<span class=\"o\">{<\/span><span class=\"nv\">healthcheck_name<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"dummy_health_check\"<\/span>,healthcheck_result<span class=\"o\">=<\/span><span class=\"s2\">\"degraded\"<\/span><span class=\"o\">}<\/span> 0\r\nhealthcheck_status<span class=\"o\">{<\/span><span class=\"nv\">healthcheck_name<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"dummy_health_check\"<\/span>,healthcheck_result<span class=\"o\">=<\/span><span class=\"s2\">\"healthy\"<\/span><span class=\"o\">}<\/span> 1\r\nhealthcheck_status<span class=\"o\">{<\/span><span class=\"nv\">healthcheck_name<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"dummy_health_check\"<\/span>,healthcheck_result<span class=\"o\">=<\/span><span class=\"s2\">\"unhealthy\"<\/span><span class=\"o\">}<\/span> 0\r\n<\/code><\/pre>\n<hr \/>\n<p>\u73b0\u5728\uff0c\u6211\u8bd5\u7740\u5b9e\u73b0\u4e86\u8fd9\u6837\u4e00\u4e2a\u5065\u5eb7\u68c0\u67e5\u3002\u5f53\u7136\u516c\u5f00\u4e5f\u5f88\u91cd\u8981\uff0c\u4f46\u7ed3\u5408Kubernetes\u7684\u5065\u5eb7\u68c0\u67e5\u673a\u5236\u548cPrometheus\u4e00\u8d77\u4f7f\u7528\u65f6\u624d\u80fd\u53d1\u6325\u5176\u771f\u6b63\u7684\u4ef7\u503c\u3002\u6839\u636e\u9700\u8981\u8fdb\u884c\u9010\u6b65\u5b9e\u73b0\u662f\u4e00\u4e2a\u597d\u529e\u6cd5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8bf7\u52a1\u5fc5\u53c2\u8003\u4e00\u4e0b go-operational \u5e93\u3002<\/p>\n<p>\u660e\u5929\u5f00\u59cb\uff0c\u6211\u60f3\u8981\u5b9e\u73b0gRPC\u529f\u80fd\u3002\u6e10\u6e10\u5730\u611f\u89c9\u8d8a\u6765\u8d8a\u6709\u8da3\u4e86\u54e6?\u7b11<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u597d\u4e86\u597d\u4e86\uff0c\u4eca\u5929\u6211\u4eec\u6765\u5b9e\u73b0\u4e00\u4e2a\u50cf\u4e91\u539f\u751f\u5e94\u7528\u4e00\u6837\u7684\u5065\u5eb7\u68c0\u67e5\u7aef\u70b9\u5427\u3002 \u5b9e\u7528\u4ed3\u5e93\/ Go \u8fd0\u8425 \u6211\u4eec\u516c\u53f8\u867d\u7136\u6ca1\u6709\u516c\u5f00\uff0c [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43766","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>\u5065\u5eb7\u68c0\u67e5\u7ec8\u7aef\u70b9\u7684\u5b9e\u73b0 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5065\u5eb7\u68c0\u67e5\u7ec8\u7aef\u70b9\u7684\u5b9e\u73b0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" 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