{"id":9153,"date":"2023-01-18T15:50:13","date_gmt":"2023-01-18T07:50:13","guid":{"rendered":"http:\/\/123.57.164.21\/?p=9153"},"modified":"2023-01-18T15:50:13","modified_gmt":"2023-01-18T07:50:13","slug":"k8s-configmap%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=9153","title":{"rendered":"k8s ConfigMap\u4ecb\u7ecd"},"content":{"rendered":"\n<p><strong>\u6982\u8ff0<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p id=\"ue6309168\">\u4e3a\u4e86\u89e3\u51b3\u4f20\u7edf\u5bb9\u5668\u4e2d\u914d\u7f6e\u7684\u6302\u8f7d\u3001\u53d8\u66f4\u3001\u7ba1\u7406\u7b49\u95ee\u9898\uff0c\u5728k8s\u4e2d\u5f15\u5165\u4e86\u4e00\u4e2a\u53eb\u505aconfigmap\u7684\u8d44\u6e90\u5bf9\u8c61\uff0c\u5728configmap\u4e2d\uff0c\u5404\u4e2a\u914d\u7f6e\u9879\u90fd\u662f\u4ee5key-value\u7684\u65b9\u5f0f\u5b58\u5728\u7684\uff0cvalue\u7684\u6570\u636e\u53ef\u4ee5\u662f\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u8fd9\u4e9b\u914d\u7f6e\u9879\u88ab\u4fdd\u5b58\u5728k8s\u4f7f\u7528\u7684\u6301\u4e45\u5316\u5b58\u50a8etcd\u4e2d\u3002<\/p>\n\n\n\n<p id=\"u6adeb938\">\u8fd9\u6837\u5c31\u5f62\u6210\u4e86\u4e00\u4e2ak8s\u4e2d\u7684\u914d\u7f6e\u4e2d\u5fc3\uff0c\u53ef\u4ee5\u72ec\u7acb\u7684\u5bf9configmap\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u4fee\u6539\uff0c\u7136\u540e\u5c06configmap\u6302\u8f7d\u5230pod\u4e2d\u8fdb\u884c\u4f7f\u7528\uff0c\u53ef\u4ee5\u4ee5env\u7684\u65b9\u5f0f\uff0c\u4e5f\u53ef\u4ee5\u4ee5\u914d\u7f6e\u6587\u4ef6\u7684\u65b9\u5f0f\u5728pod\u4e2d\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n\n\n\n<p id=\"ubb72311e\">\u8fd9\u6837\u914d\u7f6e\u548cpod\u5c31\u5b9e\u73b0\u4e86\u89e3\u8026\uff0c\u90fd\u662fk8s\u4e2d\u72ec\u7acb\u7684\u8d44\u6e90\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p id=\"uaae794a8\">ConfigMap\u548cSecret\u662fKubernetes\u7cfb\u7edf\u4e0a\u4e24\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u5b58\u50a8\u5377\uff0cConfigMap\u5bf9\u8c61\u7528\u4e8e\u4e3a\u5bb9\u5668\u4e2d\u7684\u5e94\u7528\u63d0\u4f9b\u914d\u7f6e\u6587\u4ef6\u7b49\u4fe1\u606f\u3002\u4f46\u662f\u6bd4\u8f83\u654f\u611f\u7684\u6570\u636e\uff0c\u4f8b\u5982\u5bc6\u94a5\u3001\u8bc1\u4e66\u7b49\u7531Secret\u5bf9\u8c61\u6765\u8fdb\u884c\u914d\u7f6e\u3002\u5b83\u4eec\u5c06\u76f8\u5e94\u7684\u914d\u7f6e\u4fe1\u606f\u4fdd\u5b58\u4e8e\u5bf9\u8c61\u4e2d\uff0c\u800c\u540e\u5728Pod\u8d44\u6e90\u4e0a\u4ee5\u5b58\u50a8\u5377\u7684\u5f62\u5f0f\u6302\u8f7d\u5e76\u83b7\u53d6\u76f8\u5173\u7684\u914d\u7f6e\uff0c\u4ee5\u5b9e\u73b0\u914d\u7f6e\u4e0e\u955c\u50cf\u6587\u4ef6\u7684\u89e3\u8026\u3002<\/p>\n\n\n\n<p id=\"pod\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u6765\u4f7f\u7528configmap\u5206\u522b\u4e3a\">Pod\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u6765\u4f7f\u7528ConfigMap\uff0c\u5206\u522b\u4e3a\uff1a<\/p>\n\n\n\n<ul><li>\u5c06ConfigMap\u4e2d\u7684\u6570\u636e\u8bbe\u7f6e\u4e3a\u73af\u5883\u53d8\u91cf<\/li><li>\u5c06ConfigMap\u4e2d\u7684\u6570\u636e\u8bbe\u7f6e\u4e3a\u547d\u4ee4\u884c\u53c2\u6570<\/li><li>\u4f7f\u7528Volume\u5c06ConfigMap\u4f5c\u4e3a\u6587\u4ef6\u6216\u76ee\u5f55\u6302\u8f7d<\/li><\/ul>\n\n\n\n<p><strong>\u4e0b\u9762\u4e3b\u8981\u4ecb\u7ecd\u4f7f\u7528Volume\u5c06ConfigMap\u4f5c\u4e3a\u6587\u4ef6\u6216\u76ee\u5f55\u6302\u8f7d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>1.\u9996\u5148\u5728\u5bb9\u5668\u5916\u9762\u521b\u5efa\u4e00\u4e2aredis.conf\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u7136\u540e\u6839\u636e\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u521b\u5efa\u51fa\u4e00\u4e2a\u540d\u4e3aredis.conf\u7684ConfigMap<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-1024x201.png\" alt=\"\" class=\"wp-image-9154\" width=\"712\" height=\"139\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-1024x201.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-300x59.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-768x151.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-830x163.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-230x45.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-350x69.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5-480x94.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-5.png 1424w\" sizes=\"(max-width: 712px) 100vw, 712px\" \/><\/figure><\/div>\n\n\n\n<p>2.\u901a\u8fc7kubectl get cm redis.conf -o yaml\u53ef\u4ee5\u5c06\u521a\u624d\u521b\u5efa\u7684ConfigMap\u4ee5yaml\u683c\u5f0f\u8f93\u51fa<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-1024x845.png\" alt=\"\" class=\"wp-image-9155\" width=\"597\" height=\"493\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-1024x845.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-300x248.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-768x634.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-830x685.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-230x190.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-350x289.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6-480x396.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-6.png 1376w\" sizes=\"(max-width: 597px) 100vw, 597px\" \/><\/figure><\/div>\n\n\n\n<p>3.\u5254\u9664\u4e00\u4e9b\u521b\u5efa\u65f6\u95f4\u7b49\u5143\u6570\u636e\uff0c\u7cbe\u7b80\u8fc7\u540e\u7684ConfigMap\u7684yaml\u6587\u4ef6\u7684\u5185\u5bb9\u5982\u4e0b\u6240\u793a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">apiVersion: v1\ndata:    #data\u91cc\u9762\u662f\u914d\u7f6e\u6587\u4ef6\u7684\u540d\u5b57\u4ee5\u53ca\u76f8\u5e94\u7684\u914d\u7f6e\uff0c\u4ee5key:value\u7684\u683c\u5f0f\u6765\u4e66\u5199\u3002\n  redis.conf: |    #key\uff1aredis.conf (\u9ed8\u8ba4\u662f\u4f60\u521b\u5efaConfigMap\u65f6--from-file=redis.conf\u90a3\u54ea\u4e2a\u914d\u7f6e\u6587\u4ef6\u5c31\u53eb\u4ec0\u4e48\u540d\u5b57)   \n    appendonly yes #value\uff1a\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\nkind: ConfigMap\nmetadata:\n  name: redis-conf\n  namespace: default<\/pre>\n\n\n\n<p>\u6ce8\uff1adata\u91cc\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u914d\u7f6e\u6587\u4ef6\u7684\u6570\u636e\uff0c\u6240\u4ee5data\u91cc\u9762\u662f\u901a\u8fc7key:value\u7684\u5f62\u5f0f\u6765\u8868\u793a\u5bf9\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\u7684\u540d\u5b57\u53ca\u5185\u5bb9\u7684\uff0c\u521b\u5efa\u5b8cConfigMap\u540e\u901a\u8fc7\u521b\u5efa\u4e00\u4e2apod\u6765\u5177\u4f53\u8bb2\u8ff0\u4e00\u4e0bConfigMap\u662f\u5982\u4f55\u4f7f\u7528\u7684\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">apiVersion: v1\nkind: Pod\nmetadata:\n  name: redis\nspec:\n  containers:\n  - name: redis\n    image: redis\n    command:                        #\u521b\u5efa\u5bb9\u5668\u540e\u5728\u5bb9\u5668\u91cc\u9762\u6267\u884c\u7684\u547d\u4ee4\n      - redis-server\n      - \"\/redis-master\/redis.conf\"  #\u6307\u7684\u662fredis\u5bb9\u5668\u5185\u90e8\u7684\u4f4d\u7f6e\n    ports:\n    - containerPort: 6379\n    volumeMounts:\n    - mountPath: \/data              #\u6307\u7684\u662f\u5bb9\u5668\u5185\u90e8\u7684\/data\u76ee\u5f55\n      name: data                    #\u5377\u6302\u8f7d\u7684\u540d\u5b57\uff0c\u4e0e\u4e0b\u9762\u76f8\u540c\u540d\u5b57\u7684volumes\u8fdb\u884c\u5339\u914d\u5e76\u6302\u8f7d\n    - mountPath: \/redis-master\n      name: config\n  volumes:\n    - name: data\n      emptyDir: {}\n    - name: config                  #\u5c06volumeMounts\u9700\u8981\u8fdb\u884c\u6302\u8f7d\u4e14name\u4e3aconfig\u7684\u76ee\u5f55\u4ee5\u914d\u7f6e\u96c6\u7684\u65b9\u5f0f\u8fdb\u884c\u6302\u8f7d\n      configMap:\n        name: redis-conf            #\u8fd9\u662f\u914d\u7f6e\u96c6\u7684\u540d\u79f0\uff0ck8s\u4f1a\u6839\u636e\u8fd9\u4e2a\u540d\u5b57\u6765\u5bfb\u627e\u5bf9\u5e94\u7684ConfigMap\n        items:\n        - key: redis.conf           #\u8fd9\u662fConfigMap\u5f53\u4e2ddata\u91cc\u9762\u7684key\u503c\uff0c\u4e5f\u5c31\u662f\u8981\u6302\u8f7d\u7684\u914d\u7f6e\u6587\u4ef6\u7684\u540d\u5b57\uff0ck8s\u8981\u6839\u636e\u8fd9\u4e2akey\u503c\u4ece\u540d\u4e3aredis.conf\u7684ConfigMap\u4e2d\u627e\u5230\u9700\u8981\u6302\u8f7d\u7684\u914d\u7f6e\u6587\u4ef6\u7684\u771f\u6b63\u5185\u5bb9\u3002\n          path: redis.conf          #\u8fd9\u662f\u6700\u7ec8\u5bb9\u5668\u5f53\u4e2d\u914d\u7f6e\u6587\u4ef6\u7684\u540d\u5b57\uff0c\u4e5f\u5c31\u662f\u5bb9\u5668\u4e2d\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\u4e3a\/redis-master\/redis.conf\n<\/pre>\n\n\n\n<p>\u7528\u56fe\u7247\u63cf\u8ff0\u5bf9\u5e94\u5173\u7cfb\u5c31\u662f\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-1024x542.png\" alt=\"\" class=\"wp-image-9156\" width=\"530\" height=\"280\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-1024x542.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-300x159.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-768x406.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-830x439.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-230x122.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-350x185.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7-480x254.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-7.png 1372w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/figure><\/div>\n\n\n\n<p>4.\u53e6\u5916\u8fd8\u53ef\u901a\u8fc7kubectl edit\u6765\u7f16\u8f91ConfigMap\u4ece\u800c\u76f4\u63a5\u4fee\u6539\u5bb9\u5668\u5185\u90e8\u7684\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-1024x89.png\" alt=\"\" class=\"wp-image-9157\" width=\"543\" height=\"47\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-1024x89.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-300x26.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-768x67.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-830x72.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-230x20.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-350x31.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8-480x42.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/01\/\u56fe\u7247-8.png 1122w\" sizes=\"(max-width: 543px) 100vw, 543px\" \/><\/figure><\/div>\n\n\n\n<p>\u7efc\u4e0a\u5c31\u662f\u4e00\u4e2aConfigMap\u4ece\u521b\u5efa\u5230\u4f7f\u7528\u7684\u5168\u90e8\u8fc7\u7a0b\uff0c<\/p>\n\n\n\n<p><strong>\u603b\u7ed3<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p id=\"u57e0250b\">\u5bf9\u4e8econfigmap\u7684\u521b\u5efa\uff0c\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>\u547d\u4ee4\u884c<\/li><\/ul>\n\n\n\n<ul><li>&#8211;from-file<\/li><li>&#8211;from-literal<\/li><li>yaml\u5b9a\u4e49\u6587\u4ef6<\/li><\/ul>\n\n\n\n<p id=\"u0ddedb19\">pod\u4f7f\u7528configmap\u7684\u65b9\u5f0f<\/p>\n\n\n\n<ul><li>\u73af\u5883\u53d8\u91cf<\/li><li>volume\u6302\u8f7d\u4e3a\u5bb9\u5668\u5185\u7684\u914d\u7f6e\u6587\u4ef6<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0 \u4e3a\u4e86\u89e3\u51b3\u4f20\u7edf\u5bb9\u5668\u4e2d\u914d\u7f6e\u7684\u6302\u8f7d\u3001\u53d8\u66f4\u3001\u7ba1\u7406\u7b49\u95ee\u9898\uff0c\u5728k8s\u4e2d\u5f15\u5165\u4e86\u4e00\u4e2a\u53eb\u505aconfigmap\u7684\u8d44\u6e90\u5bf9\u8c61\uff0c\u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9153"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9153"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9153\/revisions"}],"predecessor-version":[{"id":9158,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9153\/revisions\/9158"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}