{"id":33668,"date":"2023-04-02T14:12:07","date_gmt":"2023-03-11T10:29:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%a9kubernetes%e7%9a%84pod%e8%af%bb%e5%8f%96%e5%a4%9a%e4%b8%aaconfigmap%ef%bc%8c%e4%b9%9f%e5%8f%af%e4%bb%a5%e8%ae%a9%e5%a4%9a%e4%b8%aapod%e8%af%bb%e5%8f%96%e7%9b%b8%e5%90%8c%e7%9a%84confogmap\/"},"modified":"2024-04-29T21:36:53","modified_gmt":"2024-04-29T13:36:53","slug":"%e8%ae%a9kubernetes%e7%9a%84pod%e8%af%bb%e5%8f%96%e5%a4%9a%e4%b8%aaconfigmap%ef%bc%8c%e4%b9%9f%e5%8f%af%e4%bb%a5%e8%ae%a9%e5%a4%9a%e4%b8%aapod%e8%af%bb%e5%8f%96%e7%9b%b8%e5%90%8c%e7%9a%84confogmap","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%a9kubernetes%e7%9a%84pod%e8%af%bb%e5%8f%96%e5%a4%9a%e4%b8%aaconfigmap%ef%bc%8c%e4%b9%9f%e5%8f%af%e4%bb%a5%e8%ae%a9%e5%a4%9a%e4%b8%aapod%e8%af%bb%e5%8f%96%e7%9b%b8%e5%90%8c%e7%9a%84confogmap\/","title":{"rendered":"\u8ba9Kubernetes\u7684Pod\u8bfb\u53d6\u591a\u4e2aConfigMap\uff0c\u4e5f\u53ef\u4ee5\u8ba9\u591a\u4e2aPod\u8bfb\u53d6\u76f8\u540c\u7684ConfogMap"},"content":{"rendered":"<h2>\u8fd9\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>\u5728Kubernetes\u4e0a\u90e8\u7f72\u4e86\u4e24\u4e2aPod\uff0c\u5e76\u4f7f\u7528ConfigMap\u52a8\u6001\u5171\u4eab\u76f8\u540c\u7684\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u5c06\u591a\u4e2aConfigMap\u52a0\u8f7d\u5230\u4e00\u4e2aPod\u4e2d\u3002<br \/>\n\u6b64\u5916\uff0c\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Redis\u4ecb\u7ecd\u540c\u65f6\u5904\u7406\u8fd9\u4e9b\u7528\u6cd5\uff0c\u56e0\u4e3a\u4ec5\u4ec5\u901a\u8fc7ConfigMap\u7684\u5b98\u65b9\u6587\u6863\u53ef\u80fd\u5f88\u96be\u7406\u89e3\u3002<br \/>\n\u5982\u679c\u60a8\u53ea\u60f3\u7b80\u5355\u5730\u5c1d\u8bd5\u4e00\u4e0b\uff0c\u5efa\u8bae\u9605\u8bfb\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n<h2>\u8fd9\u6b21\u4f7f\u7528\u7684\u73af\u5883\u548c\u9884\u5148\u9700\u8981\u7684\u4e1c\u897f\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">OSX El Capitan ver.10.11.6<\/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\">exec<\/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\">Vagrant<\/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\">VirtualBox<\/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\">CoreOS<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Kubernetes<\/ul>\n<p>\u8bf7\u6839\u636e\u672c\u6587\u63d0\u4f9b\u7684\u6587\u7ae0\u53c2\u8003\uff0c\u7ee7\u7eed\u63a8\u8fdbKubernetes\u7684\u73af\u5883\u6784\u5efa\u5de5\u4f5c\u3002<\/p>\n<h2>\u51c6\u5907\u6240\u9700\u6587\u4ef6<\/h2>\n<p>\u9996\u5148\uff0c\u8bf7\u521b\u5efa\u4ee5\u4e0b5\u4e2a\u6587\u4ef6\u5e76\u653e\u7f6e\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u5939\u4e2d\u3002<br \/>\n\u8bf7\u52a1\u5fc5\u5c06\u9664\u4e86yaml\u6587\u4ef6\u4ee5\u5916\u7684\u6587\u4ef6\u6ca1\u6709\u6269\u5c55\u540d\u521b\u5efa\u3002<\/p>\n<p>\u4ee5\u4e0b\u4e24\u4e2a\u6587\u4ef6\u662f\u7528\u4e8e\u6307\u5b9a\u672c\u6b21\u4f7f\u7528\u7684Redis Pod\u7684\u914d\u7f6e\u4fe1\u606f\u7684ConfigMap\u7684\u6e90\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>maxmemory 2mb\r\nmaxmemory-policy allkeys-lru\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>maxmemory 4mb\r\nmaxmemory-policy allkeys-lru\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u7684\u6587\u4ef6\u662f\u7528\u4e8e\u4e24\u4e2aPod\u4e2d\u4f7f\u7528\u7684\u52a8\u6001\u5171\u4eab\u6570\u636e\u7684ConfigMap\u7684\u6e90\u6587\u4ef6\uff0c\u91c7\u7528yaml\u683c\u5f0f\u7f16\u5199\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ConfigMap<\/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\">redis-example<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"s\">example.property.1<\/span><span class=\"pi\">:<\/span> <span class=\"s\">hello<\/span>\r\n  <span class=\"s\">example.property.2<\/span><span class=\"pi\">:<\/span> <span class=\"s\">area<\/span>\r\n  <span class=\"s\">example.property.3<\/span><span class=\"pi\">:<\/span> <span class=\"s\">niki\u2019s<\/span>\r\n  <span class=\"s\">example.property.4<\/span><span class=\"pi\">:<\/span> <span class=\"s\">world<\/span>\r\n  <span class=\"s\">example.property.5<\/span><span class=\"pi\">:<\/span> <span class=\"s\">create<\/span>\r\n<\/code><\/pre>\n<p>\u4e0b\u9762\u7684\u4e24\u4e2a\u6587\u4ef6\u662f\u5173\u4e8e\u672c\u6b21\u4f7f\u7528\u7684\u4e24\u4e2aRedis Pod\u7684\u914d\u7f6e\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Pod<\/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\">redis1<\/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\">redis<\/span>\r\n    <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kubernetes\/redis:v1<\/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\">MASTER<\/span>\r\n      <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">true\"<\/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\">6379<\/span>\r\n    <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">limits<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">cpu<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">0.1\"<\/span>\r\n    <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/redis-master-data<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">data<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/redis-master<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/redis-cli<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-data<\/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\">data<\/span>\r\n      <span class=\"s\">emptyDir{}<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config<\/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\">redis-config1<\/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\">redis-config1<\/span>\r\n          <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis.conf<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-data<\/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\">redis-example<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Pod<\/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\">redis2<\/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\">redis<\/span>\r\n    <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kubernetes\/redis:v1<\/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\">MASTER<\/span>\r\n      <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">true\"<\/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\">6379<\/span>\r\n    <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">limits<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">cpu<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">0.1\"<\/span>\r\n    <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/redis-master-data<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">data<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/redis-master<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/redis-cli<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-data<\/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\">data<\/span>\r\n      <span class=\"s\">emptyDir{}<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config<\/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\">redis-config2<\/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\">redis-config2<\/span>\r\n          <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis.conf<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-data<\/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\">redis-example<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u80fd\u521b\u5efa\u6210\u529f\uff0c\u5c31\u542f\u52a8Kubernetes\u5e76\u7ee7\u7eed\u4e0b\u4e00\u6b65\u5427\uff01<\/p>\n<h2>\u521b\u5efaConfigMap<\/h2>\n<p>\u521b\u5efa ConfigMap \u7684\u65b9\u6cd5\u6709\u4ee5\u4e0b\u4e09\u79cd\u6a21\u5f0f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">yaml\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u76f4\u63a5\u8a18\u8ff0\u3057\u3066\u4f5c\u308b\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>kubectl create -f config.conf<\/p>\n<p>\u65b9\u5f0f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6307\u5b9a\u3057\u305f\u3044\u8a2d\u5b9a\u60c5\u5831\u306e\u307f\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8a18\u8ff0\u3057\u3066\u4f5c\u308b\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>kubectl create configmap &#8211;from-file<\/p>\n<p>\u65b9\u5f0f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30de\u30f3\u30c9\u306e\u5f15\u6570\u306b\u76f4\u63a5\u8a2d\u5b9a\u60c5\u5831\u306e\u5f15\u6570\u3092\u5165\u308c\u308b\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>kubectl create configmap &#8211;from-literal<\/p>\n<p>\u65b9\u5f0f<\/p>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\u8fdb\u884c\u63cf\u8ff0\uff1a\u4e00\u79cd\u662f\u7f16\u5199yaml\u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u53e6\u4e00\u79cd\u662f\u7f16\u5199\u53ea\u5305\u542b\u60f3\u8981\u6307\u5b9a\u7684\u914d\u7f6e\u4fe1\u606f\u7684\u6587\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4ece\u53ea\u5305\u542b\u60f3\u8981\u6307\u5b9a\u914d\u7f6e\u4fe1\u606f\u7684\u6587\u4ef6\u4e2d\u521b\u5efaConfigMap\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl create configmap redis-config1 <span class=\"nt\">--from-file<\/span><span class=\"o\">=<\/span>redis-config1\r\nconfigmap <span class=\"s2\">\"redis-config1\"<\/span> created\r\n<span class=\"nv\">$ <\/span>kubectl create configmap redis-config2 <span class=\"nt\">--from-file<\/span><span class=\"o\">=<\/span>redis-config2\r\nconfigmap <span class=\"s2\">\"redis-config2\"<\/span> created\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528yaml\u6587\u4ef6\u76f4\u63a5\u7f16\u5199\u914d\u7f6e\u4fe1\u606f\u7684\u65b9\u5f0f\u6765\u521b\u5efaConfigMap\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl create <span class=\"nt\">-f<\/span> redis-example.yaml\r\nconfigmap <span class=\"s2\">\"redis-example\"<\/span> created\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u6765\u786e\u8ba4\u4e00\u4e0b\u662f\u5426\u6b63\u786e\u521b\u5efa\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl get configmap\r\nNAME            DATA      AGE\r\nredis-config1   1         6m\r\nredis-config2   1         5m\r\nredis-example   5         3m\r\n<\/code><\/pre>\n<h2>\u5c1d\u8bd5\u4f7f\u7528ConfigMap\u90e8\u7f72Pod\u3002<\/h2>\n<p>\u5728\u4f7f\u7528bash\u547d\u4ee4\u90e8\u7f72\u65f6\uff0cConfigMap\u6709\u4e24\u79cd\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u7684\u65b9\u6cd5\uff1a\u4e00\u79cd\u662f\u76f4\u63a5\u8bbe\u7f6e\u4e3a\u73af\u5883\u53d8\u91cf\uff0c\u53e6\u4e00\u79cd\u662f\u4f5c\u4e3aVolume\u6302\u8f7d\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Volume\u6765\u90e8\u7f72\u4e24\u4e2a\u5177\u6709\u4e0d\u540c\u914d\u7f6e\u7684Pod\uff0c\u5e76\u5c1d\u8bd5\u52a8\u6001\u5730\u4f7f\u7528\u5171\u4eab\u6587\u4ef6\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4e00\u6b21\u6027\u90e8\u7f72\u8fd9\u4e24\u4e2aPod\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl create <span class=\"nt\">-f<\/span> redis-pod1.yaml <span class=\"o\">&amp;&amp;<\/span>kubectl create <span class=\"nt\">-f<\/span> redis-pod2.yaml\r\npod <span class=\"s2\">\"redis1\"<\/span> created\r\npod <span class=\"s2\">\"redis2\"<\/span> created\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u786e\u8ba4\u4e00\u4e0bPod\u662f\u5426\u6b63\u786e\u90e8\u7f72\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl get pods\r\nNAME      READY     STATUS    RESTARTS   AGE\r\nredis1    1\/1       Running   0          1m\r\nredis2    1\/1       Running   0          1m\r\n<\/code><\/pre>\n<p>\u5982\u679c\u72b6\u6001\u53d8\u6210\u201c\u8fd0\u884c\u201d\uff0c\u90a3\u4e48\u51c6\u5907\u5de5\u4f5c\u5c31\u5b8c\u6210\u4e86\u3002\u8ba9\u6211\u4eec\u7ee7\u7eed\u524d\u8fdb\u5e76\u5c1d\u8bd5\u8fd0\u884c\u5404\u79cd\u64cd\u4f5c\u3002<\/p>\n<h2>\u68c0\u67e5\u6bcf\u4e2aPod\u662f\u5426\u6b63\u786e\u914d\u7f6e\u4e86ConfigMap\u3002<\/h2>\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u8fdb\u5165\u540d\u4e3a\u300credis1\u300d\u7684Pod\u5e76\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> redis1 redis-cli\r\n127.0.0.1:6379&gt; CONFIG GET maxmemory\r\n1<span class=\"o\">)<\/span> <span class=\"s2\">\"maxmemory\"<\/span>\r\n2<span class=\"o\">)<\/span> <span class=\"s2\">\"2097152\"<\/span>\r\n127.0.0.1:6379&gt; CONFIG GET maxmemory-policy\r\n1<span class=\"o\">)<\/span> <span class=\"s2\">\"maxmemory-policy\"<\/span>\r\n2<span class=\"o\">)<\/span> <span class=\"s2\">\"allkeys-lru\"<\/span>\r\n127.0.0.1:6379&gt; <span class=\"nb\">exit<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u8fdb\u5165\u540d\u4e3a&#8221;redis2&#8243;\u7684Pod\u4e2d\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> redis2 redis-cli\r\n127.0.0.1:6379&gt; CONFIG GET maxmemory\r\n1<span class=\"o\">)<\/span> <span class=\"s2\">\"maxmemory\"<\/span>\r\n2<span class=\"o\">)<\/span> <span class=\"s2\">\"4194304\"<\/span>\r\n127.0.0.1:6379&gt; CONFIG GET maxmemory-policy\r\n1<span class=\"o\">)<\/span> <span class=\"s2\">\"maxmemory-policy\"<\/span>\r\n2<span class=\"o\">)<\/span> <span class=\"s2\">\"allkeys-lru\"<\/span>\r\n127.0.0.1:6379&gt; <span class=\"nb\">exit<\/span>\r\n<\/code><\/pre>\n<p>\u203b\u56e0\u4e3ayaml\u6587\u4ef6\u4e2d\u5199\u660e\u4e86IP\u5730\u5740\u548c\u7aef\u53e3\u5fc5\u987b\u76f8\u540c\uff0c\u6240\u4ee5\u5373\u4f7f\u662f\u5206\u5f00\u7684\u4e5f\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n<p>\u6211\u5011\u9019\u6b21\u628amaxmemory\u8a2d\u7f6e\u4e0d\u540c\uff0c\u6240\u4ee5\u5f9e\u8f38\u51fa\u4e2d\u53ef\u4ee5\u770b\u51fa\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u786e\u8ba4\u4e00\u4e0b\u662f\u5426\u80fd\u4eceConfigMap\u4e2d\u83b7\u53d6\u76f8\u540c\u7684\u52a8\u6001\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl <span class=\"nb\">exec <\/span>redis1 <span class=\"nb\">cat<\/span> \/redis-cli\/example.property.1\r\nhello\r\n<span class=\"nv\">$ <\/span>kubectl <span class=\"nb\">exec <\/span>redis2 <span class=\"nb\">cat<\/span> \/redis-cli\/example.property.1\r\nhello\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4\u5f53\u66f4\u6539ConfigMap\u7684\u503c\u65f6\uff0cPod\u7684\u503c\u4e5f\u4f1a\u968f\u4e4b\u6539\u53d8\u3002<\/h2>\n<p>\u8ba9\u6211\u4eec\u8bd5\u8bd5\u901a\u8fc7\u66f4\u6539ConfigMap\u7684Volume\u503c\u6765\u7acb\u5373\u53cd\u6620\u5728Pod\u4e00\u4fa7\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl edit configmap redis-example\r\n<\/code><\/pre>\n<p>\u6a19\u6e96\u60c5\u51b5\u4e0b\uff0cvi\u4f1a\u542f\u52a8\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u7f16\u8f91\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code># Please <span class=\"k\">edit<\/span> the object below<span class=\"p\">.<\/span> Lines beginning with <span class=\"k\">a<\/span> <span class=\"s1\">'#'<\/span> will be ignored<span class=\"p\">,<\/span>\r\n# <span class=\"nb\">and<\/span> an <span class=\"nb\">empty<\/span> <span class=\"k\">file<\/span> will abort the <span class=\"k\">edit<\/span><span class=\"p\">.<\/span> If an error occurs <span class=\"k\">while<\/span> saving this <span class=\"k\">file<\/span> will be\r\n# reopened with the relevant failures<span class=\"p\">.<\/span>\r\n#\r\napiVersion<span class=\"p\">:<\/span> v1\r\ndata<span class=\"p\">:<\/span>\r\n  example<span class=\"p\">.<\/span>property<span class=\"p\">.<\/span><span class=\"m\">1<\/span><span class=\"p\">:<\/span> niki\u2019s #Change\r\n  example<span class=\"p\">.<\/span>property<span class=\"p\">.<\/span><span class=\"m\">2<\/span><span class=\"p\">:<\/span> area\r\n  example<span class=\"p\">.<\/span>property<span class=\"p\">.<\/span><span class=\"m\">3<\/span><span class=\"p\">:<\/span> hello  #Change\r\n  example<span class=\"p\">.<\/span>property<span class=\"p\">.<\/span><span class=\"m\">4<\/span><span class=\"p\">:<\/span> world\r\n  example<span class=\"p\">.<\/span>property<span class=\"p\">.<\/span><span class=\"m\">5<\/span><span class=\"p\">:<\/span> create\r\nkind<span class=\"p\">:<\/span> ConfigMap\r\nmetadata<span class=\"p\">:<\/span>\r\n  creationTimestamp<span class=\"p\">:<\/span> <span class=\"m\">2016-08-23<\/span>T04<span class=\"p\">:<\/span><span class=\"m\">27<\/span><span class=\"p\">:<\/span><span class=\"m\">36<\/span>Z\r\n  name<span class=\"p\">:<\/span> redis<span class=\"p\">-<\/span>example\r\n  namespace<span class=\"p\">:<\/span> default\r\n  resourceVersion<span class=\"p\">:<\/span> <span class=\"s2\">\"93754\"<\/span>\r\n  selfLink<span class=\"p\">:<\/span> <span class=\"sr\">\/api\/<\/span>v1<span class=\"sr\">\/namespaces\/<\/span>default<span class=\"sr\">\/configmaps\/<\/span>redis<span class=\"p\">-<\/span>example\r\n  uid<span class=\"p\">:<\/span> eb2a107c<span class=\"m\">-68<\/span>e9<span class=\"m\">-11<\/span>e6<span class=\"m\">-96<\/span>ee<span class=\"m\">-080027<\/span>e9ede8\r\n<\/code><\/pre>\n<p>\u6309\u4e0bEsc\u952e\uff0c\u7136\u540e\u8f93\u5165:wq\u6765\u4fdd\u5b58\u4fee\u6539\u5e76\u9000\u51faVi\uff0c\u7136\u540e\u53ef\u4ee5\u786e\u8ba4\u4fee\u6539\u662f\u5426\u751f\u6548\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl <span class=\"nb\">exec <\/span>redis1 <span class=\"nb\">cat<\/span> \/redis-cli\/example.property.1\r\nniki\u2019s\r\n<span class=\"nv\">$ <\/span>kubectl <span class=\"nb\">exec <\/span>redis2 <span class=\"nb\">cat<\/span> \/redis-cli\/example.property.1\r\nniki\u2019s\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u6765\u67e5\u770b\u4e00\u4e0b\u6700\u521d\u521b\u5efaConfigMap\u65f6\u6240\u7f16\u5199\u7684\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">cat <\/span>redis-example.yaml\r\napiVersion: v1\r\nkind: ConfigMap\r\nmetadata:\r\n  name: redis-example\r\ndata:\r\n  example.property.1: hello\r\n  example.property.2: area\r\n  example.property.3: niki\u2019s\r\n  example.property.4: world\r\n  example.property.5: create\r\n<\/code><\/pre>\n<p>\u4ece\u8fd9\u91cc\u53ef\u4ee5\u770b\u51fa\uff0c\u4e0e\u6700\u521d\u7528\u4e8e\u521b\u5efaConfigMap\u7684\u6587\u4ef6\u4e0d\u540c\uff0cKubernetes\u4e0a\u7684ConfigMap\u662f\u4ee5\u4e00\u79cdConfigMap\u6bcf\u6b21\u88ab\u66f4\u65b0\u7684\u5f62\u5f0f\u8fdb\u884c\u66f4\u6539\u7684\u3002\u6b64\u5916\uff0c\u5173\u4e8e\u540c\u65f6\u5171\u4eab\u52a8\u6001\u6570\u636e\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n<p>\u8bf7\u5c1d\u8bd5\u81ea\u5df1\u5b9e\u9645\u4fee\u6539\u5404\u79cd\u6570\u636e\u5e76\u8f93\u51fa\u5e76\u5c1d\u8bd5\u4e00\u4e0b\u3002\uff08\u6709\u4e94\u4e2a\u793a\u4f8b\u5c5e\u6027\uff0c\u4eceexample.property.1\u5230example.property.5\uff09<\/p>\n<p>\u5f53\u4f60\u5b8c\u6210\u73a9\u800d\u540e\uff0c\u4e0b\u4e00\u4e2a\u6307\u4ee4\u5c06\u6309\u539f\u6837\u6267\u884c\u3002\u8f9b\u82e6\u4e86\uff01<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl delete pod redis1 <span class=\"o\">&amp;&amp;<\/span> kubectl delete pod redis2 <span class=\"o\">&amp;&amp;<\/span> kubectl delete configmap redis-example <span class=\"o\">&amp;&amp;<\/span> kubectl delete configmap redis-config2 <span class=\"o\">&amp;&amp;<\/span> kubectl delete configmap redis-config1\r\npod <span class=\"s2\">\"redis1\"<\/span> deleted\r\npod <span class=\"s2\">\"redis2\"<\/span> deleted\r\nconfigmap <span class=\"s2\">\"redis-example\"<\/span> deleted\r\nconfigmap <span class=\"s2\">\"redis-config2\"<\/span> deleted\r\nconfigmap <span class=\"s2\">\"redis-config1\"<\/span> deleted\r\n<\/code><\/pre>\n<h2>\u5f15\u7528\u6587\u732e<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Kubernetes &#8211; Using ConfigMap<\/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\">Vagrant\u3068CoreOS\u3067kubernetes\u3092Mac\u3067\u4f7f\u3063\u3066\u307f\u308b\u3000\u2460\u74b0\u5883\u69cb\u7bc9\u7de8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Kubernetes\u306eConfigMap\u3092\u8a66\u3057\u3066\u307f\u308b<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u4ec0\u4e48\uff1f \u5728Kubernetes\u4e0a\u90e8\u7f72\u4e86\u4e24\u4e2aPod\uff0c\u5e76\u4f7f\u7528ConfigMap\u52a8\u6001\u5171\u4eab\u76f8\u540c\u7684\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u5c06\u591a\u4e2a [&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-33668","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) - 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