{"id":208141,"date":"2025-07-08T16:07:00","date_gmt":"2025-07-08T08:07:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208141\/"},"modified":"2025-07-08T16:07:00","modified_gmt":"2025-07-08T08:07:00","slug":"%e7%94%a8-%e5%ad%97%e7%ac%a6%e4%bf%ae%e8%a1%a5-kubernetes-%e6%a0%87%e7%ad%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208141\/","title":{"rendered":"\u7528\u201c\/\u201d\u5b57\u7b26\u4fee\u8865 kubernetes \u6807\u7b7e"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u7528\u201c\/\u201d\u5b57\u7b26\u4fee\u8865 kubernetes \u6807\u7b7e<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-29 15:00:33<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u7528\u201c\/\u201d\u5b57\u7b26\u4fee\u8865 kubernetes \u6807\u7b7e\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6709\u4ee5\u4e0b\u4ee3\u7801\uff0c\u8fd0\u884c\u826f\u597d\u3002\u5b83\u5728 kubernetes \u5bf9\u8c61\u4e2d\u6dfb\u52a0\u4e86\u6807\u7b7e <code>example: yes<\/code>\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"encoding\/json\"\n    \"k8s.io\/apimachinery\/pkg\/types\"\n\n    eksauth \"github.com\/chankh\/eksutil\/pkg\/auth\"\n    metav1 \"k8s.io\/apimachinery\/pkg\/apis\/meta\/v1\"\n)\n\ntype patchstringvalue struct {\n    op    string `json:\"op\"`\n    path  string `json:\"path\"`\n    value string `json:\"value\"`\n}\n\nfunc main() {\n    var updateerr error\n\n    cfg := &amp;eksauth.clusterconfig{clustername: \"my cluster name\"}\n    clientset, _ := eksauth.newauthclient(cfg)\n    api := clientset.corev1()\n\n    \/\/ get all pods from all namespaces without the \"sent_alert_emailed\" label.\n    pods, _ := api.pods(\"\").list(metav1.listoptions{})\n\n    for i, pod := range pods.items {\n\n        payload := []patchstringvalue{{\n            op:    \"replace\",\n            path:  \"\/metadata\/labels\/example\",\n            value: \"yes\",\n        }}\n        payloadbytes, _ := json.marshal(payload)\n\n        _, updateerr = api.pods(pod.getnamespace()).patch(pod.getname(), types.jsonpatchtype, payloadbytes)\n        if updateerr == nil {\n            fmt.println(fmt.sprintf(\"pod %s labelled successfully.\", pod.getname()))\n        } else {\n            fmt.println(updateerr)\n        }\n    }\n}<\/pre>\n<p>\u95ee\u9898\u662f\u6211\u9700\u8981\u6dfb\u52a0\u6807\u7b7e <code>example\/test<\/code>\uff0c\u5176\u4e2d\u5305\u542b\u5b57\u7b26 <code>\/<\/code>\uff0c\u6211\u8ba4\u4e3a\u8fd9\u662f\u95ee\u9898\u7684\u6839\u6e90\u3002\u5f53\u4f7f\u7528\u6709\u6548\u8d1f\u8f7d\u6267\u884c\u524d\u9762\u7684\u4ee3\u7801\u65f6\uff1a<\/p>\n<pre>payload := []patchStringValue{{\n            Op:    \"replace\",\n            Path:  \"\/metadata\/labels\/test\/example\",\n            Value: \"yes\",\n        }}<\/pre>\n<p>\u6211\u6536\u5230\u9519\u8bef\uff1a<code>\u201c\u7531\u4e8e\u6211\u4eec\u7684\u8bf7\u6c42\u4e2d\u5b58\u5728\u9519\u8bef\uff0c\u670d\u52a1\u5668\u62d2\u7edd\u4e86\u6211\u4eec\u7684\u8bf7\u6c42\u201d<\/code>\u3002<\/p>\n<p>\u6211\u77e5\u9053\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528 <code>update<\/code> \u800c\u4e0d\u662f <code>patch<\/code>\u3002\u4f46\u662f\u4f7f\u7528 <code>patch<\/code> \u6709\u6ca1\u6709\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\uff1f<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u6839\u636ejson\u8865\u4e01\u4f7f\u7528\u7684\uff0c\u60a8\u9700\u8981\u4f7f\u7528<code>~1<\/code>\u6765\u7f16\u7801<code>\/<\/code>\u3002\u6240\u4ee5\u4f60\u7684\u6709\u6548\u8d1f\u8f7d\u5c06\u53d8\u6210\u5982\u4e0b\uff1a<\/p>\n<pre>payload := []patchstringvalue{{\n            op:    \"replace\",\n            path:  \"\/metadata\/labels\/test~1example\",\n            value: \"yes\",\n        }}<\/pre>\n<pre># kubectl patch deploy mydeployment --type='json' -p='[{\"op\": \"replace\", \"path\": \"\/metadata\/labels\/example~1test\", \"value\":\"yes\"}]'\ndeployment.apps\/mydeployment patched\n\n\n# kubectl get deploy mydeployment -o=jsonpath='{@.metadata.labels}'\nmap[example\/test:yes]<\/pre>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u7528\u201c\/\u201d\u5b57\u7b26\u4fee\u8865 kubernetes \u6807\u7b7e\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208141","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208141"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208141\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}