{"id":35574,"date":"2023-06-29T01:00:22","date_gmt":"2022-11-19T21:00:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%88%9a%e6%8e%a5%e8%a7%a6kubernetes%e7%9a%84%e4%ba%ba%e5%8f%af%e9%80%9a%e8%bf%87%e3%80%8akubernetes%e5%ae%9e%e8%b7%b5%e5%85%a5%e9%97%a8%e3%80%8b%e4%b8%80%e4%b9%a6%e7%9a%84configmap%e9%83%a8%e5%88%86\/"},"modified":"2024-04-30T11:12:00","modified_gmt":"2024-04-30T03:12:00","slug":"%e5%88%9a%e6%8e%a5%e8%a7%a6kubernetes%e7%9a%84%e4%ba%ba%e5%8f%af%e9%80%9a%e8%bf%87%e3%80%8akubernetes%e5%ae%9e%e8%b7%b5%e5%85%a5%e9%97%a8%e3%80%8b%e4%b8%80%e4%b9%a6%e7%9a%84configmap%e9%83%a8%e5%88%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%88%9a%e6%8e%a5%e8%a7%a6kubernetes%e7%9a%84%e4%ba%ba%e5%8f%af%e9%80%9a%e8%bf%87%e3%80%8akubernetes%e5%ae%9e%e8%b7%b5%e5%85%a5%e9%97%a8%e3%80%8b%e4%b8%80%e4%b9%a6%e7%9a%84configmap%e9%83%a8%e5%88%86\/","title":{"rendered":"\u521a\u63a5\u89e6Kubernetes\u7684\u4eba\u53ef\u901a\u8fc7\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u4e00\u4e66\u7684ConfigMap\u90e8\u5206\u8fdb\u884c\u5b66\u4e60"},"content":{"rendered":"<h1>\u8d77\u56e0\u6216\u80cc\u666f<\/h1>\n<p>\u6211\u5e0c\u671b\u80fd\u591f\u521b\u5efa\u548c\u90e8\u7f72\u80fd\u591f\u8fd0\u884c\u672a\u6765\u5e94\u7528\u7a0b\u5e8f\u7684\u73af\u5883\uff0c\u4ee5\u6b64\u6765\u83b7\u5f97\u66f4\u591a\u5173\u4e8e\u57fa\u7840\u8bbe\u65bd\u65b9\u9762\u7684\u77e5\u8bc6\u3002\u800c\u4e14\uff0c\u6211\u8fd8\u5e0c\u671b\u80fd\u591f\u8fdb\u4e00\u6b65\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u6c34\u5e73\u3002<\/p>\n<p>\u5728\u5176\u4e2d\u6211\u9047\u5230\u4e86\u8fd9\u672c\u4e66\uff0c\u5e76\u5e0c\u671b\u5c06\u81ea\u5df1\u6240\u505a\u7684\u4e8b\u60c5\u9010\u6e10\u7559\u4e0b\u6765\uff0c\u4f5c\u4e3a\u7ed9\u672a\u6765\u81ea\u5df1\u7684\u4e00\u5c01\u4fe1\uff0c\u4e5f\u5e0c\u671b\u80fd\u591f\u91cd\u65b0\u5ba1\u89c6\u3002<\/p>\n<h1>\u672c\u6b21\u5f15\u7528\u4e0e\u53c2\u8003\uff0c\u4ee5\u53ca\u6211\u4e2a\u4eba\u5b66\u4e60\u6240\u9700\u8981\u7684\u4e66\u7c4d\u4ecb\u7ecd\u3002<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d247437434c4406c2ee15\/4-0.jpg\" alt=\"\" \/><\/div>\n<h2>\u5173\u4e8e\u771f\u6b63\u7684\u5b66\u4e60<\/h2>\n<p>\u6211\u6253\u7b97\u4e00\u8fb9\u9605\u8bfb\u4e66\u7c4d\uff0c\u4e00\u8fb9\u9010\u7ae0\u8282\u5730\u6162\u6162\u5b66\u4e60\u3002\u540c\u65f6\uff0c\u6211\u4e5f\u60f3\u501f\u52a9GitHub\u7684\u6e90\u4ee3\u7801\u6765\u5b66\u4e60\u3002\u8fd9\u4e00\u7ae0\u7684\u5b66\u4e60\u53ef\u80fd\u4e3b\u8981\u662f\u901a\u8fc7\u6a21\u4eff\u4e66\u7c4d\u4e0a\u7684\u793a\u4f8b\u6765\u8fdb\u884c\u7684\u2026\u2026<\/p>\n<h1>\u5f00\u59cb\u52c9\u5f3a<\/h1>\n<p>\u30de\u30cb\u30e5\u30d5\u30a7\u30b9\u30c8\u4f5c\u6210\u3059\u308b\u307e\u3067<\/p>\n<p>https:\/\/github.com\/kubernetes-practical-guide\/examples\/tree\/master\/ch3.4.2.1\/manifests\/mattermost<\/p>\n<p>\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u4f5c\u6210\u7d50\u679c\u306b\u306a\u308b\u307e\u3067<\/p>\n<p>https:\/\/github.com\/kubernetes-practical-guide\/examples\/tree\/master\/ch3.4.2.2<\/p>\n<h3>\u4ece Pod \u6a21\u677f\u7684 env \u4e2d\u8c03\u7528\u5e76\u5b58\u50a8\u952e\u548c\u503c\u5230 ConfigMap\u3002<\/h3>\n<pre class=\"post-pre\"><code>$ kubectl create cm common-env -o yaml --dry-run \\\r\n--from-literal MYSQL_USER=myuser \\\r\n--from-literal MYSQL_PASSWORD=mypassword \\\r\n--from-literal MYSQL_DATABASE=mattermost &gt; cm.yaml\r\n\r\n$ cat cm.yaml\r\napiVersion: v1\r\ndata:\r\n  MYSQL_DATABASE: mattermost\r\n  MYSQL_PASSWORD: mypassword\r\n  MYSQL_USER: myuser\r\nkind: ConfigMap\r\nmetadata:\r\n  creationTimestamp: null\r\n  name: common-env\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">k8spracticalguide\/mattermost:4.10.2<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mattermost<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MM_USERNAME<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">configMapKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">common-env<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MYSQL_USER<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MM_PASSWORD<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">configMapKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">common-env<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MYSQL_PASSWORD<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DB_NAME<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">configMapKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">common-env<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MYSQL_DATABASE<\/span>\r\n<\/code><\/pre>\n<p>MM_USERNAME \/ MM_PASSWORD \/ DB_NAME \u3092 ConfigMap \u3092\u53c2\u7167\u3059\u308b\u3088\u3046\u306b\u4fee\u6b63\u3057\u305f<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MYSQL_ROOT_PASSWORD<\/span>\r\n          <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">rootpassword<\/span>\r\n        <span class=\"na\">envFrom<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">configMapRef<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">common-env<\/span>\r\n<\/code><\/pre>\n<p>MYSQQL_ROOT_PASSWORD \u4ee5\u5916\u3092 CoinfigMap \u3092\u53c2\u7167\u3059\u308b\u3088\u3046\u306b\u4fee\u6b63\u3057\u305f<\/p>\n<pre class=\"post-pre\"><code><span class=\"go\">    Environment:\r\n<\/span><span class=\"gp\">      MM_USERNAME:  &lt;set to the key 'MYSQL_USER' of config map 'common-env'&gt;<\/span>      Optional: <span class=\"nb\">false<\/span>\r\n<span class=\"gp\">      MM_PASSWORD:  &lt;set to the key 'MYSQL_PASSWORD' of config map 'common-env'&gt;<\/span>  Optional: <span class=\"nb\">false<\/span>\r\n<span class=\"gp\">      DB_NAME:      &lt;set to the key 'MYSQL_DATABASE' of config map 'common-env'&gt;<\/span>  Optional: <span class=\"nb\">false<\/span>\r\n<span class=\"go\">      DB_HOST:\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"go\">    Environment Variables from:\r\n      common-env  ConfigMap  Optional: false\r\n    Environment:\r\n      MYSQL_ROOT_PASSWORD:  rootpassword\r\n<\/span><\/code><\/pre>\n<h3>\u5728Pod\u5185\u4ee5\u6587\u4ef6\u5f62\u5f0f\u8bfb\u53d6\u6570\u636e\u7684\u5185\u5bb9\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> curl <span class=\"nt\">-L<\/span> <span class=\"nt\">-O<\/span> https:\/\/raw.githubusercontent.com\/kubernetes-practical-guide\/examples\/master\/ch3.4.2.2\/config.json\r\n\r\n<span class=\"gp\">$<\/span> kubectl create cm mm-config-file <span class=\"nt\">-o<\/span> yaml <span class=\"nt\">--dry-run<\/span> <span class=\"nt\">--from-file<\/span> config.json <span class=\"o\">&gt;<\/span> cm-file.yaml\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>        <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cm-volume<\/span>\r\n          <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/mm\/config<\/span> <span class=\"c1\">#\u30de\u30a6\u30f3\u30c8\u3059\u308b\u30dc\u30ea\u30e5\u30fc\u30e0\u540d\u3092\u6307\u5b9a<\/span>\r\n      <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cm-volume<\/span>\r\n        <span class=\"na\">configMap<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mm-config-file<\/span>\r\n          <span class=\"na\">items<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config.json<\/span>\r\n            <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config.json<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">config.json \u30d5\u30a1\u30a4\u30eb\u304c Volume \u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u306e\u3092\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code>$ kubectl exec -it mattermost-846bf547c-zfwld -- ls \/mm\/config\/\r\nconfig.json\r\n<\/code><\/pre>\n<h2>\u4e0b\u4e00\u6b65\u662f\u7ee7\u7eed\u5b66\u4e60\u7b2c3.4.2\u7ae0\u8282\u3002<\/h2>\n<ul class=\"post-ul\">Secret \u3092\u4f7f\u3063\u3066\u4eca\u56de\u8a2d\u5b9a\u3057\u305f\u8a2d\u5b9a\u5024\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059<\/ul>\n<h1>\u6700\u7ec8<\/h1>\n<p>\u55ef\uff0c\u6211\u7a0d\u5fae\u56de\u987e\u4e00\u4e0b\u5230\u76ee\u524d\u4e3a\u6b62\u7684\u7ae0\u8282\uff0c\u5927\u6982\u53ea\u5b8c\u6210\u4e86\u4e09\u5206\u4e4b\u4e00\u5de6\u53f3\u5427\u3002\u4f46\u6211\u8ba4\u4e3a\u63a5\u4e0b\u6765\u4f1a\u53d8\u5f97\u66f4\u6709\u8da3\uff0c\u6240\u4ee5\u6211\u60f3\u5728\u4e0b\u4e00\u6b21\u4e4b\u524d\u66f4\u6df1\u5165\u5730\u7406\u89e3ConfigMap\u3002<\/p>\n<h1>\u8fd9\u4e4b\u524d\u7684\u53d1\u8868<\/h1>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09Pod\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09NameSpace\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09Label\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09ReplicaSet\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09Deployment\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09Service\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09ConfigMap\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09Secret\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09\u64cd\u4f5c\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09\u4f53\u9a8c\u7bc7\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09\u4f53\u9a8c\u7bc7\u7b2c\u4e8c\u90e8\u5206\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09\u4f53\u9a8c\u7bc7\u7b2c\u4e09\u90e8\u5206\uff08Label\u64cd\u4f5c\uff09\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09\u4f53\u9a8c\u7bc7\u7b2c\u4e09\u90e8\u5206\uff08OwnerReference\u64cd\u4f5c\uff09\u300b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u300aKubernetes\u5165\u95e8\u6307\u5357\uff08\u4e66\u7c4d\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u5b9e\u6218\u5b66\u4e60\uff09\u6e05\u5355\u7bc7\u300b<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u8d77\u56e0\u6216\u80cc\u666f \u6211\u5e0c\u671b\u80fd\u591f\u521b\u5efa\u548c\u90e8\u7f72\u80fd\u591f\u8fd0\u884c\u672a\u6765\u5e94\u7528\u7a0b\u5e8f\u7684\u73af\u5883\uff0c\u4ee5\u6b64\u6765\u83b7\u5f97\u66f4\u591a\u5173\u4e8e\u57fa\u7840\u8bbe\u65bd\u65b9\u9762\u7684\u77e5\u8bc6\u3002\u800c\u4e14\uff0c\u6211\u8fd8\u5e0c [&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-35574","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>\u521a\u63a5\u89e6Kubernetes\u7684\u4eba\u53ef\u901a\u8fc7\u300aKubernetes\u5b9e\u8df5\u5165\u95e8\u300b\u4e00\u4e66\u7684ConfigMap\u90e8\u5206\u8fdb\u884c\u5b66\u4e60 - 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\" 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