{"id":44346,"date":"2022-12-08T02:53:12","date_gmt":"2023-12-30T15:41:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%86gke-deployment%e7%9a%84replicas%e8%ae%be%e7%bd%ae%e4%b8%ba0%ef%bc%8c%e4%bb%a5%e4%be%bf%e5%90%91go%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%8f%91%e9%80%81%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f\/"},"modified":"2024-04-29T04:13:57","modified_gmt":"2024-04-28T20:13:57","slug":"%e5%b0%86gke-deployment%e7%9a%84replicas%e8%ae%be%e7%bd%ae%e4%b8%ba0%ef%bc%8c%e4%bb%a5%e4%be%bf%e5%90%91go%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%8f%91%e9%80%81%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%86gke-deployment%e7%9a%84replicas%e8%ae%be%e7%bd%ae%e4%b8%ba0%ef%bc%8c%e4%bb%a5%e4%be%bf%e5%90%91go%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%8f%91%e9%80%81%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f\/","title":{"rendered":"\u5c06[GKE] Deployment\u7684replicas\u8bbe\u7f6e\u4e3a0\uff0c\u4ee5\u4fbf\u5411Go\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7SIGTERM\u901a\u77e5"},"content":{"rendered":"<h1>\u8bf7\u5728\u4e2d\u6587\u4e2d\u8fdb\u884c\u91ca\u4e49\uff0c\u5e76\u4ec5\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff1a<\/h1>\n<p>\u9898\u76ee<\/p>\n<p>\u53ea\u662f\u60f3\u786e\u8ba4\u4e00\u4e0b\u5b9e\u9645\u60c5\u51b5\u4f1a\u5982\u6b64\u3002<\/p>\n<h1>\u524d\u63d0\u8fd9\u4e2a\u8bcd\u7684\u542b\u4e49\u662f\u6307\u67d0\u4ef6\u4e8b\u60c5\u53d1\u751f\u7684\u524d\u63d0\u6761\u4ef6\uff0c\u53ea\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\u5982\u4e0b\uff1a<\/h1>\n<p>\u6761\u4ef6<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GCP\u74b0\u5883\u306f\u7528\u610f\u6e08\u307f\u3002<\/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\">GCP\u30ed\u30fc\u30ab\u30eb\u8a2d\u5b9a\u6e08\u307f\u3002(gcloud\u30b3\u30de\u30f3\u30c9\u304c\u4f7f\u7528\u3067\u304d\u308b\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u308b\u3002)<\/ul>\n<\/li>\n<\/ul>\n<p>kubectl\u30b3\u30de\u30f3\u30c9\u304c\u4f7f\u7528\u3067\u304d\u308b\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u308b\u3002<br \/>\nGKE\u30af\u30e9\u30b9\u30bf\u4f5c\u6210\u6e08\u307f\u3002<\/p>\n<h1>\u5f00\u53d1\u73af\u5883<\/h1>\n<h2>\u64cd\u4f5c\u7cfb\u7edf- Linux\uff08Ubuntu\uff09<\/h2>\n<pre class=\"post-pre\"><code>$ cat \/etc\/os-release \r\nNAME=\"Ubuntu\"\r\nVERSION=\"18.04.5 LTS (Bionic Beaver)\"\r\n<\/code><\/pre>\n<h2>\u8c37\u6b4c\u4e91 (GCP)<\/h2>\n<pre class=\"post-pre\"><code>$ gcloud version\r\nGoogle Cloud SDK 312.0.0\r\n<\/code><\/pre>\n<h2># kubectl &#8211;&gt; kubectl\u547d\u4ee4<\/h2>\n<pre class=\"post-pre\"><code>$ kubectl version\r\nClient Version: version.Info{Major:\"1\", Minor:\"17\", GitVersion:\"v1.17.9\", GitCommit:\"4fb7ed12476d57b8437ada90b4f93b17ffaeed99\", GitTreeState:\"clean\", BuildDate:\"2020-07-15T16:18:16Z\", GoVersion:\"go1.13.9\", Compiler:\"gc\", Platform:\"linux\/amd64\"}\r\nServer Version: version.Info{Major:\"1\", Minor:\"17+\", GitVersion:\"v1.17.12-gke.2502\", GitCommit:\"974eff7a63e05b7eb05c9aded92fae8a3ce14521\", GitTreeState:\"clean\", BuildDate:\"2020-10-19T17:01:32Z\", GoVersion:\"go1.13.15b4\", Compiler:\"gc\", Platform:\"linux\/amd64\"}\r\n<\/code><\/pre>\n<h2>\u540e\u53f0<\/h2>\n<h3># \u8bed\u8a00 &#8211; Golang<\/h3>\n<pre class=\"post-pre\"><code>$ go version\r\ngo version go1.15.2 linux\/amd64\r\n<\/code><\/pre>\n<h1>\u5b9e\u8df5<\/h1>\n<h2>\u6e90\u7801\u5b8c\u6574\u5957\u88c5<\/h2>\n<h2>\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u7ffb\u8bd1\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a\u6e90\u3002<\/h2>\n<h3>Go\u8bed\u8a00<\/h3>\n<p>\u968f\u4fbf\u642d\u5efa\u4e00\u4e2aWeb\u670d\u52a1\u5668\uff0c\u5728\u63a5\u6536\u5230\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7\uff08SIGTERM\uff09\u65f6\u8f93\u51fa\u65e5\u5fd7\uff08GOT_NOTIFY\uff09\u3002<br \/>\n\u4e5f\u53ef\u4ee5\u5728defer\u4e2d\u8bbe\u7f6e\u65e5\u5fd7\uff0c\u5e76\u5728\u63a5\u6536\u5230\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7\u65f6\u786e\u8ba4defer\u65e5\u5fd7\u4e0d\u4f1a\u88ab\u8f93\u51fa\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n    <span class=\"s\">\"net\/http\"<\/span>\r\n    <span class=\"s\">\"os\"<\/span>\r\n    <span class=\"s\">\"os\/signal\"<\/span>\r\n    <span class=\"s\">\"syscall\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"APP_START\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEFER\"<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"c\">\/\/ OS\u30b7\u30b0\u30ca\u30eb\uff08SIGTERM\uff09\u306e\u53d7\u4fe1\u3092\u5f85\u3061\u53d7\u3051\u308b Goroutine<\/span>\r\n    <span class=\"k\">go<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"BEFORE_NOTIFY\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">q<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">(<\/span><span class=\"k\">chan<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Signal<\/span><span class=\"p\">,<\/span> <span class=\"m\">1<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">signal<\/span><span class=\"o\">.<\/span><span class=\"n\">Notify<\/span><span class=\"p\">(<\/span><span class=\"n\">q<\/span><span class=\"p\">,<\/span> <span class=\"n\">syscall<\/span><span class=\"o\">.<\/span><span class=\"n\">SIGTERM<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"o\">&lt;-<\/span><span class=\"n\">q<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GOT_NOTIFY\"<\/span><span class=\"p\">)<\/span>\r\n\r\n        <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Exit<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"m\">1<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}()<\/span>\r\n\r\n    <span class=\"c\">\/\/ \u9069\u5f53\u306bHTTP\u30b5\u30fc\u30d0\u30fc\u3092\u7acb\u3061\u4e0a\u3052\u3066\u304a\u304f<\/span>\r\n    <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">HandleFunc<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ResponseWriter<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/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=\"k\">if<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Fprint<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Hello\"<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"HANDLE_ERROR_OCCURRED: %+v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">})<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ListenAndServe<\/span><span class=\"p\">(<\/span><span class=\"s\">\":8080\"<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SERVE_ERROR_OCCURRED: %+v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"APP_END\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>Dockerfile: \u539f\u751f\u7684\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\u8fdb\u884c\u4e2d\u6587\u91ca\u4e49\uff1a\u914d\u5957\u6587\u4ef6\u3002<\/h3>\n<p>\u4e00\u4efd\u666e\u901a\u65e0\u7279\u8272\u7684\u591a\u9636\u6bb5\u6784\u5efa\u7684Dockerfile\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">FROM<\/span><span class=\"s\"> golang:1.15 as builder<\/span>\r\n<span class=\"k\">WORKDIR<\/span><span class=\"s\"> \/app<\/span>\r\n<span class=\"k\">COPY<\/span><span class=\"s\"> . .<\/span>\r\n<span class=\"k\">RUN <\/span>go mod download\r\n<span class=\"k\">RUN <\/span><span class=\"nv\">CGO_ENABLED<\/span><span class=\"o\">=<\/span>0 <span class=\"nv\">GOOS<\/span><span class=\"o\">=<\/span>linux go build <span class=\"nt\">-mod<\/span><span class=\"o\">=<\/span><span class=\"nb\">readonly<\/span> <span class=\"nt\">-v<\/span> <span class=\"nt\">-o<\/span> server\r\n\r\n<span class=\"k\">FROM<\/span><span class=\"s\"> gcr.io\/distroless\/base<\/span>\r\n<span class=\"k\">COPY<\/span><span class=\"s\"> --from=builder \/app\/server \/server<\/span>\r\n<span class=\"k\">CMD<\/span><span class=\"s\"> [\"\/server\"]<\/span>\r\n<\/code><\/pre>\n<h3>Cloud Build\u7684\u914d\u7f6e<\/h3>\n<p>\u4f7f\u7528\u5bb9\u5668\u6ce8\u518c\u8868\u6765\u7ba1\u7406Docker\u955c\u50cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">steps<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">gcr.io\/cloud-builders\/docker'<\/span>\r\n    <span class=\"na\">args<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span> <span class=\"s1\">'<\/span><span class=\"s\">build'<\/span><span class=\"pi\">,<\/span> <span class=\"s1\">'<\/span><span class=\"s\">-t'<\/span><span class=\"pi\">,<\/span> <span class=\"s1\">'<\/span><span class=\"s\">gcr.io\/$PROJECT_ID\/golang-app-try01'<\/span><span class=\"pi\">,<\/span> <span class=\"s1\">'<\/span><span class=\"s\">.'<\/span> <span class=\"pi\">]<\/span>\r\n<span class=\"na\">images<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"s1\">'<\/span><span class=\"s\">gcr.io\/$PROJECT_ID\/golang-app-try01'<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u7528\u4e8e\u6784\u5efa\u4e0a\u8ff0\u5185\u5bb9\u7684shell\u811a\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">#!\/usr\/bin\/env bash<\/span>\r\n<span class=\"nb\">set<\/span> <span class=\"nt\">-euox<\/span> pipefail\r\n<span class=\"nv\">SCRIPT_DIR<\/span><span class=\"o\">=<\/span><span class=\"si\">$(<\/span><span class=\"nb\">dirname<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$0<\/span><span class=\"s2\">\"<\/span><span class=\"si\">)<\/span>\r\n<span class=\"nb\">cd<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">SCRIPT_DIR<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n\r\ngcloud builds submit <span class=\"nt\">--config<\/span> cloudbuild.yaml <span class=\"nb\">.<\/span>\r\n<\/code><\/pre>\n<h3>\u90e8\u7f72\u8bbe\u7f6e<\/h3>\n<p>\u4ece\u5bb9\u5668\u6ce8\u518c\u8868\u4e2d\u83b7\u53d6Docker\u955c\u50cf\u3002<br \/>\n\u6709\u4e09\u4e2aPod\u3002<br \/>\n\u5bb9\u5668\u7aef\u53e3\u4e3a8080\uff08\u867d\u7136\u8fd9\u6b21\u7528\u4e0d\u5230\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">apps\/v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">golang-app-try01<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">replicas<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">golang-app-try01<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">golang-app-try01<\/span>\r\n    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">golang-app-try01<\/span>\r\n          <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">gcr.io\/MY_GCP_PROJECT_ID\/golang-app-try01<\/span>\r\n          <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">8080<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0bShell\u8fdb\u884c\u90e8\u7f72:<br \/>\n\u6839\u636e\u4e0a\u8ff0\uff0c\u9700\u8981\u4f7f\u7528\u6211\u6b63\u5728\u4f7f\u7528\u7684GCP\u9879\u76ee\u7684ID\uff0c\u8be5ID\u53ef\u4ee5\u4ece\u672c\u5730\u73af\u5883\u7684gcloud\u547d\u4ee4\u4e2d\u83b7\u53d6\uff0c\u4f46\u662f\u67e5\u8be2\u5982\u4f55\u6307\u5b9aGCP\u9879\u76eeID\u800c\u4e0d\u76f4\u63a5\u5728k8s\u7684Yaml\u6587\u4ef6\u4e2d\u5199\u5165\uff08\u53ef\u80fd\u53ef\u4ee5\u901a\u8fc7ConfigMap\u6216Secret\u6765\u5b9e\u73b0\uff0c\u4f46\u6700\u597d\u662f\u7b80\u4fbf\u65b9\u5f0f\uff09\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u4f7f\u7528sed\u6765\u66ff\u6362\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">#!\/usr\/bin\/env bash<\/span>\r\n<span class=\"nb\">set<\/span> <span class=\"nt\">-euox<\/span> pipefail\r\n<span class=\"nv\">SCRIPT_DIR<\/span><span class=\"o\">=<\/span><span class=\"si\">$(<\/span><span class=\"nb\">dirname<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$0<\/span><span class=\"s2\">\"<\/span><span class=\"si\">)<\/span>\r\n<span class=\"nb\">cd<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">SCRIPT_DIR<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n\r\n<span class=\"nv\">project<\/span><span class=\"o\">=<\/span><span class=\"si\">$(<\/span>gcloud config get-value project<span class=\"si\">)<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"o\">[[<\/span> <span class=\"nt\">-z<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">project<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span> <span class=\"o\">]]<\/span><span class=\"p\">;<\/span> <span class=\"k\">then\r\n  <\/span><span class=\"nb\">echo<\/span> <span class=\"nt\">-n<\/span> <span class=\"s2\">\"need project\"<\/span>\r\n  <span class=\"nb\">exit <\/span>1\r\n<span class=\"k\">fi\r\n<\/span><span class=\"nb\">echo<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">project<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n\r\n<span class=\"nb\">sed<\/span> <span class=\"nt\">-i<\/span> <span class=\"nt\">-e<\/span> <span class=\"s2\">\"s\/MY_GCP_PROJECT_ID\/<\/span><span class=\"k\">${<\/span><span class=\"nv\">project<\/span><span class=\"k\">}<\/span><span class=\"s2\">\/\"<\/span> deployment.yaml\r\n\r\nkubectl apply <span class=\"nt\">-f<\/span> deployment.yaml\r\n\r\n<span class=\"nb\">sed<\/span> <span class=\"nt\">-i<\/span> <span class=\"nt\">-e<\/span> <span class=\"s2\">\"s\/<\/span><span class=\"k\">${<\/span><span class=\"nv\">project<\/span><span class=\"k\">}<\/span><span class=\"s2\">\/MY_GCP_PROJECT_ID\/\"<\/span> deployment.yaml\r\n<\/code><\/pre>\n<h3>\u7528\u7684\u811a\u672c\u6765\u4fee\u6539 Pod \u6570<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c\">#!\/usr\/bin\/env bash<\/span>\r\n<span class=\"nb\">set<\/span> <span class=\"nt\">-euox<\/span> pipefail\r\n<span class=\"nv\">SCRIPT_DIR<\/span><span class=\"o\">=<\/span><span class=\"si\">$(<\/span><span class=\"nb\">dirname<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$0<\/span><span class=\"s2\">\"<\/span><span class=\"si\">)<\/span>\r\n<span class=\"nb\">cd<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">SCRIPT_DIR<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n\r\n<span class=\"nv\">num<\/span><span class=\"o\">=<\/span><span class=\"k\">${<\/span><span class=\"nv\">1<\/span><span class=\"k\">:-}<\/span>\r\n\r\n<span class=\"k\">if<\/span> <span class=\"o\">[<\/span> <span class=\"nt\">-z<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">num<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span> <span class=\"o\">]<\/span><span class=\"p\">;<\/span> <span class=\"k\">then\r\n  <\/span><span class=\"nb\">echo<\/span> <span class=\"nt\">-n<\/span> <span class=\"s2\">\"input replicas number: \"<\/span>\r\n  <span class=\"nb\">read <\/span>num\r\n<span class=\"k\">fi\r\n\r\n<\/span>kubectl scale deployment golang-app-try01 <span class=\"nt\">--replicas<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nv\">num<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4\u52a8\u4f5c<\/h2>\n<h3>\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\uff08\u521b\u5efaDocker\u955c\u50cf\u5e76\u5b58\u50a8\u5230\u5bb9\u5668\u6ce8\u518c\u8868\uff09<\/h3>\n<pre class=\"post-pre\"><code>$ .\/build.sh \r\n++ dirname .\/build.sh\r\n+ SCRIPT_DIR=.\r\n+ echo .\r\n.\r\n+ cd .\r\n+ gcloud builds submit --config cloudbuild.yaml .\r\nCreating temporary tarball archive of 6 file(s) totalling 1.7 KiB before compression.\r\n\u3000\u30fb\r\n\u3000\u30fb\r\n\u3000\u30fb\r\nDONE\r\n-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\r\n\r\nID                                    CREATE_TIME                DURATION  SOURCE                                                                                   IMAGES                                        STATUS\r\n6452c516-cfbf-4497-b536-378023cbc34d  2020-11-03T19:29:14+00:00  29S       gs:\/\/XXXXXXXX_cloudbuild\/source\/1604431752.38075-ccb069fbb0d0413382dc79d42e5c618a.tgz  gcr.io\/XXXXXXXX\/golang-app-try01 (+1 more)  SUCCESS\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d584737434c4406ce0133\/39-0.png\" alt=\"screenshot-console.cloud.google.com-2020.11.04-05_33_09.png\" \/><\/div>\n<h3>\u90e8\u7f72\u5230GKE<\/h3>\n<pre class=\"post-pre\"><code>$ .\/deploy.sh \r\n++ dirname .\/deploy.sh\r\n+ SCRIPT_DIR=.\r\n+ echo .\r\n.\r\n+ cd .\r\n\u3000\u30fb\r\n\u3000\u30fb\r\n\u3000\u30fb\r\n+ kubectl apply -f deployment.yaml\r\ndeployment.apps\/golang-app-try01 created\r\n\u3000\u30fb\r\n\u3000\u30fb\r\n\u3000\u30fb\r\n<\/code><\/pre>\n<p>\u6709\u4e09\u4e2aPod\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get deployment\r\nNAME               READY   UP-TO-DATE   AVAILABLE   AGE\r\ngolang-app-try01   3\/3     3            3           4m19s\r\n<\/code><\/pre>\n<p>\u5f53\u67e5\u770b\u5bb9\u5668\u65e5\u5fd7\u65f6\uff0c\u53ef\u4ee5\u53d1\u73b0\u6bcf\u4e2aPod\u4e0a\u90fd\u6709\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u548c\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7\u7b49\u5f85\u542f\u52a8\u7684\u65e5\u5fd7\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d584737434c4406ce0133\/45-0.png\" alt=\"screenshot-console.cloud.google.com-2020.11.04-04_52_58.png\" \/><\/div>\n<h3>\u5c06Pod\u6570\u66f4\u6539\u4e3a0<\/h3>\n<pre class=\"post-pre\"><code>$ .\/replica_n.sh 0\r\n++ dirname .\/replica_n.sh\r\n+ SCRIPT_DIR=.\r\n+ echo .\r\n.\r\n+ cd .\r\n+ num=0\r\n+ '[' -z 0 ']'\r\n+ kubectl scale deployment golang-app-try01 --replicas=0\r\ndeployment.apps\/golang-app-try01 scaled\r\n<\/code><\/pre>\n<p>\u5f53\u63a5\u6536\u5230OS\u4fe1\u53f7\u65f6\u7684\u65e5\u5fd7\uff08GOT_NOTIFY\uff09\u5728\u5404\u4e2aPod\u7684\u65e5\u5fd7\u4e2d\u663e\u793a\u3002<br \/>\n\u4f7f\u7528\u4e86defer\u547d\u4ee4\u7684\u65e5\u5fd7\uff08DEFER\uff09\u4e0d\u4f1a\u663e\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d584737434c4406ce0133\/49-0.png\" alt=\"screenshot-console.cloud.google.com-2020.11.04-04_53_28.png\" \/><\/div>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u5982\u679c\u8981\u5728GKE\u4e0a\u4f7f\u7528\uff0c\u90a3\u4e48\u5e0c\u671b\u5728\u5e94\u7528\u505c\u6b62\u65f6\u786e\u4fdd\u5904\u7406\u7684\u5185\u5bb9\u4e0d\u5e94\u8be5\u662f\u4f7f\u7528defer\uff0c\u800c\u5e94\u8be5\u53e6\u5916\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u63a5\u6536\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7\uff08SIGTERM\uff09\u7684Goroutine\u6765\u8fdb\u884c\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u5728\u4e2d\u6587\u4e2d\u8fdb\u884c\u91ca\u4e49\uff0c\u5e76\u4ec5\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff1a \u9898\u76ee \u53ea\u662f\u60f3\u786e\u8ba4\u4e00\u4e0b\u5b9e\u9645\u60c5\u51b5\u4f1a\u5982\u6b64\u3002 \u524d\u63d0\u8fd9\u4e2a\u8bcd\u7684\u542b\u4e49\u662f\u6307\u67d0\u4ef6\u4e8b\u60c5\u53d1\u751f [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44346","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>\u5c06[GKE] Deployment\u7684replicas\u8bbe\u7f6e\u4e3a0\uff0c\u4ee5\u4fbf\u5411Go\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7SIGTERM\u901a\u77e5 - 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\/\u5c06gke-deployment\u7684replicas\u8bbe\u7f6e\u4e3a0\uff0c\u4ee5\u4fbf\u5411go\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u64cd\u4f5c\u7cfb\u7edf\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5c06[GKE] Deployment\u7684replicas\u8bbe\u7f6e\u4e3a0\uff0c\u4ee5\u4fbf\u5411Go\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u53f7SIGTERM\u901a\u77e5\" \/>\n<meta property=\"og:description\" content=\"\u8bf7\u5728\u4e2d\u6587\u4e2d\u8fdb\u884c\u91ca\u4e49\uff0c\u5e76\u4ec5\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff1a \u9898\u76ee \u53ea\u662f\u60f3\u786e\u8ba4\u4e00\u4e0b\u5b9e\u9645\u60c5\u51b5\u4f1a\u5982\u6b64\u3002 \u524d\u63d0\u8fd9\u4e2a\u8bcd\u7684\u542b\u4e49\u662f\u6307\u67d0\u4ef6\u4e8b\u60c5\u53d1\u751f [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c06gke-deployment\u7684replicas\u8bbe\u7f6e\u4e3a0\uff0c\u4ee5\u4fbf\u5411go\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u64cd\u4f5c\u7cfb\u7edf\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-30T15:41:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T20:13:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d584737434c4406ce0133\/39-0.png\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" 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