{"id":1558,"date":"2020-06-09T11:13:02","date_gmt":"2020-06-09T03:13:02","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1558"},"modified":"2020-06-09T11:13:02","modified_gmt":"2020-06-09T03:13:02","slug":"kubernetes%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1558","title":{"rendered":"Kubernetes\u5bf9\u8c61"},"content":{"rendered":"<p>Kubernetes\u5bf9\u8c61\u662fKubernetes\u7cfb\u7edf\u4e2d\u7684\u6301\u4e45\u5b9e\u4f53\u3002Kubernetes\u4f7f\u7528\u8fd9\u4e9b\u5b9e\u4f53\u6765\u8868\u793a\u96c6\u7fa4\u7684\u72b6\u6001\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4ed6\u4eec\u53ef\u4ee5\u63cf\u8ff0\uff1a<\/p>\n<ul>\n<li>\u5bb9\u5668\u5316\u5e94\u7528\u6b63\u5728\u8fd0\u884c(\u4ee5\u53ca\u5728\u54ea\u4e9b\u8282\u70b9\u4e0a)<\/li>\n<li>\u8fd9\u4e9b\u5e94\u7528\u53ef\u7528\u7684\u8d44\u6e90<\/li>\n<li>\u5173\u4e8e\u8fd9\u4e9b\u5e94\u7528\u5982\u4f55\u8fd0\u884c\u7684\u7b56\u7565\uff0c\u5982\u91cd\u65b0\u7b56\u7565\uff0c\u5347\u7ea7\u548c\u5bb9\u9519<\/li>\n<\/ul>\n<p>Kubernetes\u5bf9\u8c61\u662f\u201crecord of intent\u201d\uff0c\u4e00\u65e6\u521b\u5efa\u4e86\u5bf9\u8c61\uff0cKubernetes\u7cfb\u7edf\u4f1a\u786e\u4fdd\u5bf9\u8c61\u5b58\u5728\u3002\u901a\u8fc7\u521b\u5efa\u5bf9\u8c61\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u544a\u8bc9Kubernetes\u7cfb\u7edf\u4f60\u5e0c\u671b\u96c6\u7fa4\u7684\u5de5\u4f5c\u8d1f\u8f7d\u662f\u4ec0\u4e48\u6837\u7684\u3002<br \/>\n\u8981\u4f7f\u7528Kubernetes\u5bf9\u8c61\uff08\u65e0\u8bba\u662f\u521b\u5efa\uff0c\u4fee\u6539\u8fd8\u662f\u5220\u9664\uff09\uff0c\u90fd\u9700\u8981\u4f7f\u7528Kubernetes API\u3002\u4f8b\u5982\uff0c\u5f53\u4f7f\u7528kubectl\u547d\u4ee4\u7ba1\u7406\u5de5\u5177\u65f6\uff0cCLI\u4f1a\u4e3a\u63d0\u4f9bKubernetes API\u8c03\u7528\u3002\u4f60\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5728\u81ea\u5df1\u7684\u7a0b\u5e8f\u4e2d\u4f7f\u7528Kubernetes API\uff0cKubernetes\u63d0\u4f9b\u4e00\u4e2agolang\u5ba2\u6237\u7aef\u5e93\u00a0\uff08\u5176\u4ed6\u8bed\u8a00\u5e93\u6b63\u5728\u5f00\u53d1\u4e2d-\u5982Python\uff09\u3002<\/p>\n<h3><span id=\\\"Object\\\">\u5bf9\u8c61\uff08Object\uff09\u89c4\u8303\u548c\u72b6\u6001<\/span><\/h3>\n<p>\u6bcf\u4e2aKubernetes\u5bf9\u8c61\u90fd\u5305\u542b\u4e24\u4e2a\u5d4c\u5957\u5bf9\u8c61\u5b57\u6bb5\uff0c\u7528\u4e8e\u7ba1\u7406Object\u7684\u914d\u7f6e\uff1aObject Spec\u548cObject Status\u3002Spec\u63cf\u8ff0\u4e86\u5bf9\u8c61\u6240\u9700\u7684\u72b6\u6001\u00a0&#8211; \u5e0c\u671bObject\u5177\u6709\u7684\u7279\u6027\uff0cStatus\u63cf\u8ff0\u4e86\u5bf9\u8c61\u7684\u5b9e\u9645\u72b6\u6001\uff0c\u5e76\u7531Kubernetes\u7cfb\u7edf\u63d0\u4f9b\u548c\u66f4\u65b0\u3002<br \/>\n\u4f8b\u5982\uff0c\u901a\u8fc7Kubernetes Deployment\u00a0\u6765\u8868\u793a\u5728\u96c6\u7fa4\u4e0a\u8fd0\u884c\u7684\u5e94\u7528\u7684\u5bf9\u8c61\u3002\u521b\u5efaDeployment\u65f6\uff0c\u53ef\u4ee5\u8bbe\u7f6eDeployment Spec\uff0c\u6765\u6307\u5b9a\u8981\u8fd0\u884c\u5e94\u7528\u7684\u4e09\u4e2a\u526f\u672c\u3002Kubernetes\u7cfb\u7edf\u5c06\u8bfb\u53d6Deployment Spec\uff0c\u5e76\u542f\u52a8\u4f60\u60f3\u8981\u7684\u4e09\u4e2a\u5e94\u7528\u5b9e\u4f8b &#8211; \u6765\u66f4\u65b0\u72b6\u6001\u4ee5\u7b26\u5408\u4e4b\u524d\u8bbe\u7f6e\u7684Spec\u3002\u5982\u679c\u8fd9\u4e9b\u5b9e\u4f8b\u4e2d\u6709\u4efb\u4f55\u4e00\u4e2a\u5931\u8d25\uff08\u72b6\u6001\u66f4\u6539\uff09\uff0cKuberentes\u7cfb\u7edf\u5c06\u54cd\u5e94Spec\u548c\u5f53\u524d\u72b6\u6001\u4e4b\u95f4\u5dee\u5f02\u6765\u8c03\u6574\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c06\u4f1a\u5f00\u59cb\u66ff\u4ee3\u5b9e\u4f8b\u3002<\/p>\n<h3 id=\\\"describing-a-kubernetes-object\\\"><span id=\\\"Kubernetes-2\\\">\u63cf\u8ff0Kubernetes\u5bf9\u8c61<\/span><\/h3>\n<p>\u5728Kubernetes\u4e2d\u521b\u5efa\u5bf9\u8c61\u65f6\uff0c\u5fc5\u987b\u63d0\u4f9b\u63cf\u8ff0\u5176\u6240\u9700Status\u7684\u5bf9\u8c61Spec\uff0c\u4ee5\u53ca\u5173\u4e8e\u5bf9\u8c61\uff08\u5982name\uff09\u7684\u4e00\u4e9b\u57fa\u672c\u4fe1\u606f\u3002\u5f53\u4f7f\u7528Kubernetes API\u521b\u5efa\u5bf9\u8c61\uff08\u76f4\u63a5\u6216\u901a\u8fc7kubectl\uff09\u65f6\uff0c\u8be5API\u8bf7\u6c42\u5fc5\u987b\u5c06\u8be5\u4fe1\u606f\u4f5c\u4e3aJSON\u5305\u542b\u5728\u8bf7\u6c42body\u4e2d\u3002\u901a\u5e38\uff0c\u53ef\u4ee5\u5c06\u4fe1\u606f\u63d0\u4f9b\u7ed9kubectl .yaml\u6587\u4ef6\uff0c\u5728\u8fdb\u884cAPI\u8bf7\u6c42\u65f6\uff0ckubectl\u5c06\u4fe1\u606f\u8f6c\u6362\u4e3aJSON\u3002<br \/>\n\u4ee5\u4e0b\u793a\u4f8b\u662f\u4e00\u4e2a.yaml\u6587\u4ef6\uff0c\u663e\u793aKubernetes Deployment\u6240\u9700\u7684\u5b57\u6bb5\u548c\u5bf9\u8c61Spec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th><a href=\\\"https:\/\/raw.githubusercontent.com\/kubernetes\/kubernetes.github.io\/master\/docs\/concepts\/overview\/working-with-objects\/nginx-deployment.yaml\\\" target=\\\"_blank\\\" rel=\\\"nofollow noopener noreferrer\\\">nginx-deployment.yaml\u00a0<\/a><img title=\\\"\u5c06nginx-deployment.yaml\u590d\u5236\u5230\u526a\u8d34\u677f\\\" src=\\\"https:\/\/d33wubrfki0l68.cloudfront.net\/951ae1fcc65e28202164b32c13fa7ae04fab4a0b\/b77dc\/images\/copycode.svg\\\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\n<div id=\\\"nginx-deployment.yaml\\\">\n<pre>apiVersion: apps\/v1beta1\nkind: Deployment\nmetadata:\n  name: nginx-deployment\nspec:\n  replicas: 3\n  template:\n    metadata:\n      labels:\n        app: nginx\n    spec:\n      containers:\n      - name: nginx\n        image: nginx:1.7.9\n        ports:\n        - containerPort: 80<\/pre>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f7f\u7528\u4e0a\u8ff0.yaml\u6587\u4ef6\u521b\u5efaDeployment\uff0c\u662f\u901a\u8fc7\u5728kubectl\u4e2d\u4f7f\u7528kubectl create\u547d\u4ee4\u6765\u5b9e\u73b0\u3002\u5c06\u8be5.yaml\u6587\u4ef6\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u3002\u5982\u4e0b\u4f8b\u5b50\uff1a<\/p>\n<div>\n<pre>$ kubectl create -f docs\/user-guide\/nginx-deployment.yaml --record\n<\/pre>\n<\/div>\n<p>\u5176\u8f93\u51fa\u4e0e\u6b64\u7c7b\u4f3c:<\/p>\n<div>\n<pre>deployment \\\"nginx-deployment\\\" created\n<\/pre>\n<\/div>\n<h3 id=\\\"required-fields\\\"><span id=\\\"i\\\">\u5fc5\u586b\u5b57\u6bb5<\/span><\/h3>\n<p>\u5bf9\u4e8e\u8981\u521b\u5efa\u7684Kubernetes\u5bf9\u8c61\u7684yaml\u6587\u4ef6\uff0c\u9700\u8981\u4e3a\u4ee5\u4e0b\u5b57\u6bb5\u8bbe\u7f6e\u503c\uff1a<\/p>\n<ul>\n<li>apiVersion\u00a0&#8211; \u521b\u5efa\u5bf9\u8c61\u7684Kubernetes API \u7248\u672c<\/li>\n<li>kind\u00a0&#8211; \u8981\u521b\u5efa\u4ec0\u4e48\u6837\u7684\u5bf9\u8c61\uff1f<\/li>\n<li>metadata- \u5177\u6709\u552f\u4e00\u6807\u793a\u5bf9\u8c61\u7684\u6570\u636e\uff0c\u5305\u62ec name\uff08\u5b57\u7b26\u4e32\uff09\u3001UID\u548cNamespace\uff08\u53ef\u9009\u9879\uff09<\/li>\n<\/ul>\n<p>\u8fd8\u9700\u8981\u63d0\u4f9b\u5bf9\u8c61Spec\u5b57\u6bb5\uff0c\u5bf9\u8c61Spec\u7684\u7cbe\u786e\u683c\u5f0f\uff08\u5bf9\u4e8e\u6bcf\u4e2aKubernetes\u00a0\u5bf9\u8c61\u90fd\u662f\u4e0d\u540c\u7684\uff09\uff0c\u4ee5\u53ca\u5bb9\u5668\u5185\u5d4c\u5957\u7684\u7279\u5b9a\u4e8e\u8be5\u5bf9\u8c61\u7684\u5b57\u6bb5\u3002Kubernetes API reference\u53ef\u4ee5\u67e5\u627e\u6240\u6709\u53ef\u521b\u5efaKubernetes\u5bf9\u8c61\u7684Spec\u683c\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes\u5bf9\u8c61\u662fKubernetes\u7cfb\u7edf\u4e2d\u7684\u6301\u4e45\u5b9e\u4f53\u3002Kubernetes\u4f7f\u7528\u8fd9\u4e9b\u5b9e\u4f53\u6765\u8868\u793a\u96c6\u7fa4\u7684\u72b6 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1558\"> <span class=\"screen-reader-text\">Kubernetes\u5bf9\u8c61<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[104,123],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"Kubernetes\u5bf9\u8c61\u662fKubernetes\u7cfb\u7edf\u4e2d\u7684\u6301\u4e45\u5b9e\u4f53\u3002Kubernetes\u4f7f\u7528\u8fd9\u4e9b\u5b9e\u4f53\u6765\u8868\u793a\u96c6\u7fa4\u7684\u72b6&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1558"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1558"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1558\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1558"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}