{"id":172,"date":"2023-10-17T21:15:50","date_gmt":"2023-10-17T13:15:50","guid":{"rendered":"https:\/\/www.carnica.cn\/?p=172"},"modified":"2023-10-17T21:16:23","modified_gmt":"2023-10-17T13:16:23","slug":"172","status":"publish","type":"post","link":"https:\/\/www.carnica.cn\/?p=172","title":{"rendered":"01 &#8211; Kubernetes \u539f\u7406\u548c\u5b89\u88c5"},"content":{"rendered":"<p>[TOC]<\/p>\n<h1>K8S \u7684\u89d2\u8272\u53ca\u7ec4\u4ef6<\/h1>\n<h2>\u7ba1\u7406\u8282\u70b9<\/h2>\n<ul>\n<li><strong>Master<\/strong>\uff08control plane\uff09\uff1aKubernetes\u96c6\u7fa4\u7684\u63a7\u5236\u8282\u70b9\uff0c\u4e3b\u8981\u804c\u8d23\u662f\u8c03\u5ea6\uff0c\u5373\u51b3\u5b9a\u5e94\u7528\u653e\u5728\u54ea\u91cc\u8fd0\u884c\u3002\u4e3a\u4e86\u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u53ef\u4ee5\u8fd0\u884c\u591a\u4e2aMaster\u3002Master\u8282\u70b9\u7531\u4e09\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff1a\n<ul>\n<li><code>apiserver<\/code>\uff1a\u63d0\u4f9b\u4e86\u8d44\u6e90\u64cd\u4f5c\u7684\u552f\u4e00\u5165\u53e3\uff0c\u5e76\u63d0\u4f9b\u8ba4\u8bc1\u3001\u6388\u6743\u3001\u8bbf\u95ee\u63a7\u5236\u3001API\u6ce8\u518c\u548c\u53d1\u73b0\u7b49\u673a\u5236\u3002<\/li>\n<li><code>scheduler<\/code>\uff1a\u96c6\u7fa4\u8c03\u5ea6\u5668\uff0c<strong>\u8d1f\u8d23\u8d44\u6e90\u7684\u8c03\u5ea6<\/strong>\uff0c\u6309\u7167\u9884\u5b9a\u7684\u8c03\u5ea6\u7b56\u7565\u5c06Pod\u8c03\u5ea6\u5230\u76f8\u5e94\u7684\u673a\u5668\u4e0a\u3002<\/li>\n<li><code>controller-manager<\/code>\uff1a\u96c6\u7fa4\u63a7\u5236\u5668\uff0c\u5b83\u8fd0\u884c\u7740\u6240\u6709\u5904\u7406\u96c6\u7fa4\u65e5\u5e38\u4efb\u52a1\u7684\u63a7\u5236\u5668\u3002\u5305\u62ec\u4e86\u8282\u70b9\u63a7\u5236\u5668\u3001\u526f\u672c\u63a7\u5236\u5668\u3001\u7aef\u70b9\uff08endpoint\uff09\u63a7\u5236\u5668\u4ee5\u53ca\u670d\u52a1\u8d26\u6237\u548c\u4ee4\u724c\u63a7\u5236\u5668\u3002\u6bcf\u4e00\u4e2a\u63a7\u5236\u5668\u90fd\u72ec\u7acb\u5de5\u4f5c\u4ee5\u7ef4\u62a4\u5176\u6240\u9700\u7684\u72b6\u6001\u3002\u7b80\u5355\u6765\u8bb2\uff0c\u5c31\u662f\u8d1f\u8d23\u7ef4\u62a4\u96c6\u7fa4\u7684\u72b6\u6001\uff0c\u6bd4\u5982\uff1a\u6545\u969c\u68c0\u6d4b\u3001\u81ea\u52a8\u6269\u5c55\u3001\u6eda\u52a8\u66f4\u65b0\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u6570\u636e\u5e93\u8282\u70b9<\/h2>\n<ul>\n<li><code>Etcd<\/code>\uff1akey\/value \u6570\u636e\u5e93\uff0c\u7528\u4e8e\u5b58\u50a8Kubernetes\u96c6\u7fa4\u76f8\u5173\u4fe1\u606f\uff0c\u5305\u62ec\u8282\u70b9\u4fe1\u606f\u3001pod\u4fe1\u606f\u3001service\u4fe1\u606f\u7b49\uff0c\u53ea\u4e0eapiserver\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<h2>\u5de5\u4f5c\u8282\u70b9<\/h2>\n<ul>\n<li><strong>Node<\/strong>\uff08Data plane\uff09\uff1aKubernetes\u96c6\u7fa4\u7684\u5de5\u4f5c\u8282\u70b9\uff0c\u8d1f\u8d23\u5bb9\u5668\u5e94\u7528\u7684\u8fd0\u884c\uff0c\u7531Master\u7ba1\u7406\uff0cNode\u8d1f\u8d23\u76d1\u63a7\u5e76\u6c47\u62a5\u5bb9\u5668\u72b6\u6001\uff0c\u540c\u65f6\u6839\u636eMaster\u7684\u8981\u6c42\u7ba1\u7406\u5bb9\u5668\u7684\u751f\u547d\u5468\u671f\u3002\u7531\u4e24\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff1a\n<ul>\n<li><code>kubelet<\/code>\uff1a\u8d1f\u8d23\u7ba1\u63a7docker\u5bb9\u5668\uff0c\u5982\u542f\u52a8\u3001\u505c\u6b62\u3001\u76d1\u63a7\u8fd0\u884c\u72b6\u6001\u7b49\u3002\u5b83\u4f1a\u5b9a\u671f\u4eceapiserver\u83b7\u53d6\u5206\u914d\u5230\u672c\u673a\u7684pod\uff0c\u5e76\u6839\u636epod\u4fe1\u606f\u542f\u52a8\u6216\u505c\u6b62\u76f8\u5e94\u7684\u5bb9\u5668\u3002\u540c\u65f6\uff0c\u5b83\u4e5f\u4f1a\u63a5\u6536apiserver\u7684http\u8bf7\u6c42\uff0c\u6c47\u62a5pod\u7684\u8fd0\u884c\u72b6\u6001\u3002\u4e5f\u8d1f\u8d23Voleme\uff08CVI\uff09\u548c\u7f51\u7edc\uff08CNI\uff09\u7684\u7ba1\u7406\u3002<\/li>\n<li><code>kube-proxy<\/code>\uff1a\u8d1f\u8d23\u4e3apod\u63d0\u4f9b\u4ee3\u7406\u3002\u5b83\u4f1a\u5b9a\u671f\u4eceapiserver\u83b7\u53d6\u6240\u6709\u7684service\uff0c\u5e76\u6839\u636eservice\u4fe1\u606f\u521b\u5efa\u4ee3\u7406\u3002\u5f53\u67d0\u4e2a\u5ba2\u6237pod\u8981\u8bbf\u95ee\u5176\u5b83pod\u65f6\uff0c\u8bbf\u95ee\u8bf7\u6c42\u4f1a\u7ecf\u8fc7\u672c\u673a\u7684proxy\u505a\u8f6c\u53d1\u3002\u540c\u65f6\u8d1f\u8d23\u4e3aService\u63d0\u4f9bcluster\u5185\u90e8\u7684\u670d\u52a1\u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>K8S \u7684\u6574\u4f53\u5de5\u4f5c\u6d41\u7a0b<\/h1>\n<p><strong>\u4ee5 deployment \u4e3a\u4f8b\uff0c\u5206\u6790\u5411 k8s \u63d0\u4ea4\u4e00\u4e2a yaml \u6587\u4ef6\u540e\u7684\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/strong><\/p>\n<ol>\n<li>\u51c6\u5907\u597d\u4e00\u4e2a Deployment \u7684 YAML \u6587\u4ef6\uff0c\u901a\u8fc7 kubectl \u53d1\u9001\u5230 api-server\uff1b<\/li>\n<li>api-server \u63a5\u6536\u5230\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5c06\u8d44\u6e90\u5185\u5bb9\u5b58\u50a8\u5230\u6570\u636e\u5e93 etcd \u4e2d\uff1b<\/li>\n<li>Controller \u7ec4\u4ef6\uff08\u5305\u62ec Scheduler\u3001replication\u3001endpoint \uff09\u76d1\u63a7\u8d44\u6e90\u53d8\u5316\u5e76\u505a\u51fa\u53cd\u5e94\uff1b<\/li>\n<li>ReplicaSet \u68c0\u67e5\u6570\u636e\u5e93\u53d8\u5316\uff0c\u521b\u5efa\u671f\u671b\u6570\u91cf\u7684 Pod \u5b9e\u4f8b\uff1b<\/li>\n<li>Scheduler \u518d\u6b21\u68c0\u67e5\u6570\u636e\u5e93\u53d8\u5316\uff0c\u53d1\u73b0\u5c1a\u672a\u88ab\u5206\u914d\u5230\u5177\u4f53\u8282\u70b9\u7684 Pod\uff0c\u7136\u540e\u6839\u636e\u4e00\u7ec4\u76f8\u5173\u89c4\u5219\uff0c\u5c06 Pod \u5206\u914d\u5230\u53ef\u4ee5\u8fd0\u884c\u5b83\u4eec\u7684\u8282\u70b9\u4e0a\uff0c\u5e76\u66f4\u65b0\u6570\u636e\u5e93\u8bb0\u5f55\uff0c\u8bb0\u5f55 Pod \u5206\u914d\u60c5\u51b5\uff1b<\/li>\n<li>Kubelet \u76d1\u63a7\u6570\u636e\u5e93\u53d8\u5316\uff0c\u7ba1\u7406\u540e\u7eed Pod \u751f\u547d\u5468\u671f\uff0c\u53d1\u73b0\u88ab\u5206\u914d\u5230\u5b83\u6240\u5728\u8282\u70b9\u4e0a\u8fd0\u884c\u7684\u90a3\u4e9b Pod\u3002\u5982\u679c\u53d1\u73b0\u65b0 Pod\uff0c\u5219\u4f1a\u5728\u8be5\u8282\u70b9\u4e0a\u8fd0\u884c\u8fd9\u4e2a\u65b0 Pod\uff1b<\/li>\n<li>Kube-proxy \u8fd0\u884c\u5728\u96c6\u7fa4\u7684\u5404\u4e2a\u4e3b\u673a\u4e0a\uff0c\u7ba1\u7406\u7f51\u7edc\u901a\u4fe1\u3001\u670d\u52a1\u53d1\u73b0\u3001\u8d1f\u8f7d\u5747\u8861\u3002\u5f53\u6709\u6570\u636e\u53d1\u9001\u5230\u4e3b\u673a\u65f6\uff0c\u5176\u5c06\u8def\u7531\u5230\u6b63\u786e\u7684 Pod \u6216\u5bb9\u5668\uff0c\u5bf9\u4e8e\u4e3b\u673a\u4e0a\u53d1\u51fa\u7684\u6570\u636e\uff0c\u5b83\u53ef\u4ee5\u57fa\u4e8e\u8bf7\u6c42\u5730\u5740\u53d1\u73b0\u8fdc\u7a0b\u670d\u52a1\u5668\uff0c\u5e76\u5c06\u6570\u636e\u6b63\u786e\u8def\u7531\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4f1a\u4f7f\u7528\u8f6e\u8be2\u8c03\u5ea6\u7b97\u6cd5\uff08RR\uff09\u5c06\u8bf7\u6c42\u53d1\u9001\u5230\u96c6\u7fa4\u4e2d\u7684\u591a\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<\/ol>\n<h2>Kube-apiserver \u7684\u5de5\u4f5c<\/h2>\n<p>\u5f53 YAML \u6587\u4ef6\u88ab\u63d0\u4ea4\u5230 kube-apiserver \u540e\uff1a<\/p>\n<ol>\n<li>\u8fc7\u6ee4\u8fd9\u4e2a\u8bf7\u6c42\uff0c\u5b8c\u6210\u4e00\u4e9b\u524d\u7f6e\u6027\u5de5\u4f5c\uff08\u6bd4\u5982\uff1a\u6388\u6743\u3001\u8d85\u65f6\u3001\u5904\u7406\u3001\u5ba1\u8ba1\u7b49\uff09\uff1b<\/li>\n<li>\u8fdb\u5165 MUX \u548c Routes \u6d41\u7a0b\u3002<br \/>\n<blockquote>\n<p>MUX \u548c Routes \u8981\u505a\u7684\u5c31\u662f\u5b8c\u6210 URL \u548c Handler \u7ed1\u5b9a\u7684\u573a\u6240\u3002<br \/>\nHandler \u5219\u662f\u6309\u7167 \/api(apis)\/Groups\/Version\/Resource\uff0c\u5bf9\u4e8e Deployment \u6765\u8bf4\u5219\u662f \/api\/v1\/deployments\uff08node\u3001pid\u3001deployment\u662f &quot;&quot;\uff09\u627e\u5230 Deployment \u7c7b\u578b\u7684\u5b9a\u4e49\uff1b<\/p>\n<\/blockquote>\n<\/li>\n<li>kube-apiserver \u4f1a\u6839\u636e\u8fd9\u4e2a Deployment \u7c7b\u578b\u7684\u5b9a\u4e49\uff0c\u4f7f\u7528\u7528\u6237\u63d0\u4ea4\u7684 YAML \u6587\u4ef6\u91cc\u7684\u5b57\u6bb5\uff0c\u521b\u5efa\u4e00\u4e2a CronJob \u5bf9\u8c61\u3002<br \/>\n<blockquote>\n<p>\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cAPI Server \u4f1a\u8fdb\u884c\u4e00\u4e2a Convert\u5de5\u4f5c\uff0c\u5373\uff1a\u628a\u7528\u6237\u63d0\u4ea4\u7684 YAML \u6587\u4ef6\u8f6c\u6362\u6210\u4e00\u4e2a\u53eb\u505a Super Version \u7684\u5bf9\u8c61\uff0c\u5b83\u6b63\u5f0f\u8be5 API \u8d44\u6e90\u7c7b\u578b\u6240\u6709\u7248\u672c\u7684\u5b57\u6bb5\u5168\u96c6\u3002\u8fd9\u6837\u7528\u6237\u63d0\u4ea4\u7684\u4e0d\u540c\u7248\u672c\u7684 YAML \u6587\u4ef6\uff0c\u5c31\u90fd\u53ef\u4ee5\u7528\u8fd9\u4e2a Super Version \u5bf9\u8c61\u6765\u8fdb\u884c\u5904\u7406\u4e86\u3002<\/p>\n<\/blockquote>\n<\/li>\n<li>kube-apiserver \u5148\u540e\u8fdb\u884c Admission() \u548c Validation() \u64cd\u4f5c\u3002<br \/>\n<blockquote>\n<p>Validation \u8d1f\u8d23\u9a8c\u8bc1\u8fd9\u4e2a\u5bf9\u8c61\u7684\u5404\u4e2a\u5b57\u6bb5\u662f\u5426\u5408\u6cd5\u3002\u8fd9\u4e2a\u88ab\u9a8c\u8bc1\u8fc7\u7684API\u5bf9\u8c61\uff0c\u90fd\u4fdd\u5b58\u5728 kube-apiserver \u4e2d\u4e00\u4e2a\u53eb\u505a Registry \u7684\u6570\u636e\u7ed3\u6784\u4e2d\u3002<\/p>\n<\/blockquote>\n<\/li>\n<li>kube-apiserver \u628a\u9a8c\u8bc1\u8fc7\u7684 API \u5bf9\u8c61\u8f6c\u6362\u4e3a\u7528\u6237\u6700\u521d\u63d0\u4ea4\u7684\u7248\u672c\uff0c\u8fdb\u884c\u5e8f\u5217\u5316\u64cd\u4f5c\uff0c\u5e76\u8c03\u7528 etcd \u7684 API \u4fdd\u5b58\u8d77\u6765\u3002<\/li>\n<\/ol>\n<h2>Controller \u7684\u5de5\u4f5c<\/h2>\n<p><a href=\"http:\/\/www.carnica.cn\/wp-content\/uploads\/2023\/10\/123.png\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"http:\/\/www.carnica.cn\/wp-content\/uploads\/2023\/10\/123-1024x449.png\" alt=\"\" \/><\/a><br \/>\n\u4ece apiserver \u4e2d\u83b7\u53d6\u5b83\u6240\u5173\u5fc3\u7684\u5bf9\u8c61\u3002\u8fd9\u4e2a\u64cd\u4f5c\u662f\u4f9d\u9760 Informer \u5b8c\u6210\u7684\uff0cInformer \u548c API \u5bf9\u8c61\u4e00\u4e00\u5bf9\u5e94\u3002\u5728\u521b\u5efa Informer \u7684\u65f6\u5019\uff0c\u9700\u8981\u4f20\u9012\u4e00\u4e2a networkClient\uff0cInformer \u901a\u8fc7 networkClient \u548c apiserver \u5efa\u7acb\u8fde\u63a5\u3002\u771f\u6b63\u8d1f\u8d23\u7ef4\u62a4\u8fd9\u4e2a\u8fde\u63a5\u7684\uff0c\u662f Informer \u7684 Reflector\uff0cReflector \u4f7f\u7528 ListAndWatch \u65b9\u6cd5\u83b7\u53d6\u5e76\u76d1\u542c API \u5bf9\u8c61\u5b9e\u4f8b\u7684\u53d8\u5316\u3002<br \/>\n\u5728 ListAndWatch \u673a\u5236\u4e0b\uff0c\u4e00\u65e6 apiserver \u6709\u65b0\u7684 API \u5b9e\u4f8b\u88ab\u521b\u5efa\u3001\u5220\u9664\u6216\u8005\u66f4\u65b0\uff0cReflector \u90fd\u4f1a\u6536\u5230&quot;\u4e8b\u4ef6\u901a\u77e5&quot;\u3002<br \/>\n\u8fd9\u65f6\uff0c\u8be5\u4e8b\u4ef6\u548c\u5b83\u6240\u5bf9\u5e94\u7684 API \u5bf9\u8c61\u8fd9\u4e2a\u7ec4\u5408\uff0c\u5c31\u88ab\u79f0\u4e3a\u589e\u91cf\uff08Delta\uff09\uff0c\u5b83\u88ab\u653e\u8fdb\u4e00\u4e2a Delta FIFO Queue \u4e2d\u3002<br \/>\n\u53e6\u4e00\u65b9\u9762\uff0cInformer \u4f1a\u4ece\u8fd9\u4e2a\u961f\u5217\u4e2d\u8bfb\u53d6\u589e\u91cf\u3002\u6bcf\u62ff\u5230\u4e00\u4e2a\u589e\u91cf\uff0cInformer \u5c31\u4f1a\u5224\u65ad\u8fd9\u4e2a\u589e\u91cf\u91cc\u7684\u4e8b\u4ef6\u7c7b\u578b\uff0c\u7136\u540e\u521b\u5efa\u6216\u8005\u66f4\u65b0\u672c\u5730\u5bf9\u8c61\u7f13\u5b58\uff08Store\uff09\uff1b\u5e76\u4e14 Informer \u4f1a\u6839\u636e\u8fd9\u4e2a\u4e8b\u4ef6\u7c7b\u578b\uff0c\u89e6\u53d1\u4e8b\u5148\u6ce8\u518c\u53f7\u7684 ResourceEventHandler\u3002\u8fd9\u4e9b Handler \u9700\u8981\u5728\u521b\u5efa\u63a7\u5236\u5668\u7684\u65f6\u5019\u6ce8\u518c\u7ed9\u5b83\u5bf9\u5e94\u7684 Informer\u3002<br \/>\n\u5728\u63a7\u5236\u5668\u4e2d\uff0c\u8fd8\u6709\u4e00\u4e2a\u5de5\u4f5c\u961f\u5217\uff08<strong>WorkQueue<\/strong>\uff09\uff0c\u8fd9\u4e2a\u5de5\u4f5c\u961f\u5217\u7684\u4f5c\u7528\u5c31\u662f\u8d1f\u8d23\u540c\u6b65 Informer \u548c\u63a7\u5236\u5faa\u73af\u4e4b\u95f4\u7684\u6570\u636e\u3002<\/p>\n<blockquote>\n<p>\u6bd4\u5982\u5728 Handler \u4e2d\u6ce8\u518c\u4e86\u4e09\u4e2a Handler\uff08AddFunc\u3001UpdateFunc\u3001DeleteFunc\uff09\uff0c\u7136\u540e\u5c06\u8be5\u4e8b\u4ef6\u5bf9\u5e94\u7684 API \u5bf9\u8c61\u7684 key \u52a0\u5165\u5230\u5de5\u4f5c\u961f\u5217\u4e2d\u3002<\/p>\n<\/blockquote>\n<p>\u540e\u9762\u7684\u63a7\u5236\u5faa\u73af\uff0c\u5219\u4f1a\u4e0d\u65ad\u4ece\u5de5\u4f5c\u961f\u5217\u4e2d\u62ff\u5230 API \u5bf9\u8c61\u7684 key\uff0c\u7136\u540e\u5230\u7f13\u5b58\u4e2d\u53bb\u67e5\u8be2\u5bf9\u5e94\u7684 API \u5bf9\u8c61\uff0c\u6267\u884c\u771f\u6b63\u7684\u903b\u8f91\u63a7\u5236\u3002<\/p>\n<h1>\u5404\u8282\u70b9\u9700\u5b89\u88c5\u7684\u7ec4\u4ef6<\/h1>\n<ul>\n<li>master\n<ul>\n<li>kube-apiserver<\/li>\n<li>kube-controller-manager<\/li>\n<li>kube-scheduler<\/li>\n<li>etcd<\/li>\n<li>kubelet<\/li>\n<li>kube-proxy<\/li>\n<li>docker<\/li>\n<\/ul>\n<\/li>\n<li>node\n<ul>\n<li>kubelet<\/li>\n<li>kube-proxy<\/li>\n<li>docker<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5404\u7ec4\u4ef6\u793a\u610f\u56fe\uff1a<br \/>\n<a href=\"http:\/\/www.carnica.cn\/wp-content\/uploads\/2023\/10\/84743236.png\" data-rel=\"lightbox-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" src=\"http:\/\/www.carnica.cn\/wp-content\/uploads\/2023\/10\/84743236-1024x522.png\" alt=\"\" \/><\/a><\/p>\n<h1>\u5355 master  K8S \u96c6\u7fa4\u90e8\u7f72<\/h1>\n<h2>\u73af\u5883\u8bf4\u660e<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u90e8\u7f72\u73af\u5883\uff1a<\/th>\n<th>\u4e3b\u673a\u540d<\/th>\n<th>IP\u5730\u5740<\/th>\n<th>\u8282\u70b9\u7c7b\u578b<\/th>\n<th>\u914d\u7f6e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>cka01<\/td>\n<td>192.168.6.171<\/td>\n<td>master\u3001etcd<\/td>\n<td>\u6700\u4f4e2C\u30014G<\/td>\n<\/tr>\n<tr>\n<td>cka02<\/td>\n<td>192.168.6.172<\/td>\n<td>worker<\/td>\n<td>\u6700\u4f4e2C\u30014G<\/td>\n<\/tr>\n<tr>\n<td>cka03<\/td>\n<td>192.168.6.173<\/td>\n<td>worker<\/td>\n<td>\u6700\u4f4e2C\u30014G<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<thead>\n<tr>\n<th>\u76f8\u5173\u7ec4\u4ef6\u7248\u672c\u8bf4\u660e\uff1a<\/th>\n<th>\u7ec4\u4ef6<\/th>\n<th>\u7248\u672c<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>kubernetes<\/td>\n<td>1.20.9<\/td>\n<td>\u4e3b\u7a0b\u5e8f<\/td>\n<\/tr>\n<tr>\n<td>docker<\/td>\n<td>19.03.15<\/td>\n<td>\u5bb9\u5668\u8fd0\u884c\u65f6<\/td>\n<\/tr>\n<tr>\n<td>calico<\/td>\n<td>3.18.1<\/td>\n<td>\u7f51\u7edc\u63d2\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>etcd<\/td>\n<td>3.4.13<\/td>\n<td>\u6570\u636e\u5e93<\/td>\n<\/tr>\n<tr>\n<td>coredns<\/td>\n<td>1.7.0<\/td>\n<td>dns\u7ec4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>kubernetes-dashboard<\/td>\n<td>v2.2.0<\/td>\n<td>web\u754c\u9762<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u96c6\u7fa4\u5b89\u88c5\u6b65\u9aa4<\/h2>\n<ol>\n<li>\n<p><strong>\u57fa\u7840\u73af\u5883\u51c6\u5907\uff0c\u9700\u8981\u5728\u6240\u6709\u8282\u70b9\u4e0a\u64cd\u4f5c<\/strong><\/p>\n<ul>\n<li>\u914d\u7f6e\u4e3b\u673a\u540d\n<pre><code>hostnamectl set-hostname cka01 --static<\/code><\/pre>\n<\/li>\n<li>\u6dfb\u52a0 \/etc\/hosts  <em>(\u6bcf\u4e2a\u8282\u70b9\u6dfb\u52a0\u5bf9\u81ea\u5df1\u7684\u89e3\u6790\u5c31\u53ef\u4ee5\u4e86)<\/em>\n<pre><code>echo \"192.168.6.171 cka01\" >> \/etc\/hosts<\/code><\/pre>\n<\/li>\n<li>\u6e05\u7a7a\u9632\u706b\u5899\n<pre><code>iptables -F\niptables -t nat -F<\/code><\/pre>\n<\/li>\n<li>\u5173\u95ed selinux\n<pre><code>setenforce 0\nsed -i 's\/SELINUX=\/SELINUX=disabled\/g' \/etc\/selinux\/config<\/code><\/pre>\n<\/li>\n<li>\u8bbe\u7f6e yum \u6e90\n<pre><code>yum install -y wget\nwget -O \/etc\/yum.repos.d\/CentOS-Base.repo https:\/\/repo.huaweicloud.com\/repository\/conf\/CentOS-7-reg.repo\nyum install -y epel-release\nsed -i \"s\/#baseurl\/baseurl\/g\" \/etc\/yum.repos.d\/epel.repo\nsed -i \"s\/metalink\/#metalink\/g\" \/etc\/yum.repos.d\/epel.repo\nsed -i \"s@https\\?:\/\/download.fedoraproject.org\/pub@https:\/\/repo.huaweicloud.com@g\" \/etc\/yum.repos.d\/epel.repo<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5173\u95ed swap<\/p>\n<pre><code>swapoff -a\nsed -ri 's\/(.*swap.*)\/#\\1\/' \/etc\/fstab\n\n\/\/ \u4e3a\u4ec0\u4e48\u8981\u5173\u95edswap\uff1f\n\/\/ 1. \u652f\u6301swap\u5f88\u590d\u6742\uff1b2. \u4f7f\u7528swap\u7684\u8bdd\uff0c\u6027\u80fd\u4f1a\u5f88\u5927\u5f71\u54cd\u3002 \u6240\u4ee5\u5728 k8s 1.8 \u7248\u672c\u5f3a\u5236\u8981\u6c42\u5fc5\u987b\u5173\u95edswap\u3002<\/code><\/pre>\n<\/li>\n<li>\n<p>\u914d\u7f6e\u5185\u6838\u53c2\u6570<\/p>\n<pre><code>cat << EOF | sudo tee \/etc\/sysctl.d\/k8s.conf\nnet.ipv4.ip_forward = 1\nvm.swappiness = 0\nnet.bridge.bridge-nf-call-ip6tables = 1    \nnet.bridge.bridge-nf-call-iptables = 1\nEOF\n\/\/ \u5982\u679c\u4e24\u4e2a net.bridge \u62a5\u9519\uff0c\u53ef\u5ffd\u7565\n\/\/ vm.swappiness \u7684\u4f5c\u7528\u662f\u7981\u6b62\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u4ea4\u6362\u5230swap\uff0c\u4f46\u662f\u5e76\u4e0d\u4f1a\u5173\u6389swap\u3002\n\nsysctl -p \/etc\/sysctl.d\/k8s.conf<\/code><\/pre>\n<\/li>\n<li>\n<p>\u52a0\u8f7d\u76f8\u5173\u5185\u6838\u6a21\u5757<\/p>\n<pre><code>cat > \/etc\/sysconfig\/modules\/ipvs.modules << EOF\n#! \/bin\/bash\nmodprobe -- br_netfilter\nmodprobe -- ip_vs\nmodprobe -- ip_vs_rr\nmodprobe -- ip_vs_wrr\nmodprobe -- ip_vs_sh\nmodprobe -- nf_conntrack_ipv4\nEOF\n\nchmod 755 \/etc\/sysconfig\/modules\/ipvs.modules && \\\nbash \/etc\/sysconfig\/modules\/ipvs.modules && \\\nlsmod | grep -E 'ip_vs|nf_conntrack_ipv4'                <\/code><\/pre>\n<\/li>\n<li>\n<p>\u5b89\u88c5 docker<\/p>\n<pre><code>yum install -y yum-utils device-mapper-persistent-data lvm2\nwget -O \/etc\/yum.repos.d\/docker-ce.repo https:\/\/repo.huaweicloud.com\/docker-ce\/linux\/centos\/docker-ce.repo\nsed -i 's+download.docker.com+repo.huaweicloud.com\/docker-ce+' \/etc\/yum.repos.d\/docker-ce.repo\nyum install -y docker-ce-19.03.15\nmkdir \/etc\/docker\n\ncat > \/etc\/docker\/daemon.json << EOF\n{\n    \"log-driver\": \"json-file\",\n    \"log-opts\": {\n        \"max-size\": \"100m\",\n        \"max-file\": \"10\"\n    },\n    \"live-restore\": true,\n    \"registry-mirrors\": [\"https:\/\/o9x1boqy.mirror.aliyuncs.com\"]\n}\nEOF\n\nsystemctl enable docker --now<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5b89\u88c5 kubelet\u3001kubectl\u3001kubeadm<\/p>\n<pre><code class=\"language-shell\">cat <<EOF > \/etc\/yum.repos.d\/kubernetes.repo\n[kubernetes]\nname=Kubernetes\nbaseurl=https:\/\/mirrors.aliyun.com\/kubernetes\/yum\/repos\/kubernetes-el7-x86_64\/\nenabled=1\ngpgcheck=1\nrepo_gpgcheck=1\ngpgkey=https:\/\/mirrors.aliyun.com\/kubernetes\/yum\/doc\/yum-key.gpg https:\/\/mirrors.aliyun.com\/kubernetes\/yum\/doc\/rpm-package-key.gpg\nEOF\n\nyum install -y kubelet-1.20.9 kubeadm-1.20.9 kubectl-1.20.9\nsystemctl enable kubelet --now        # kubelet\u4f5c\u4e3a\u5355\u72ec\u670d\u52a1\uff0c\u9700\u8981\u542f\u52a8<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e master \u8282\u70b9<\/strong><\/p>\n<ul>\n<li>\u751f\u6210 kubeadm-config.yaml \u6587\u4ef6\n<pre><code>kubeadm config print init-defaults > kubeadm-config.yaml<\/code><\/pre>\n<\/li>\n<li>\u7f16\u8f91 kubeadm-config.yaml \u6587\u4ef6\n<pre><code>apiVersion: kubeadm.k8s.io\/v1beta2\nbootstrapTokens:\n- groups:\n  - system:bootstrappers:kubeadm:default-node-token\n  token: abcdef.0123456789abcdef\n  ttl: 24h0m0s\n  usages:\n  - signing\n  - authentication\nkind: InitConfiguration\nlocalAPIEndpoint:\n  advertiseAddress: 192.168.6.171        #\u4fee\u6539ip\u5730\u5740\n  bindPort: 6443\nnodeRegistration:\n  criSocket: \/var\/run\/dockershim.sock\n  name: cka01        #\u4fee\u6539\u4e3b\u673a\u540d\n  taints:\n  - effect: NoSchedule\n    key: node-role.kubernetes.io\/master\n---\napiServer:\n  timeoutForControlPlane: 4m0s\napiVersion: kubeadm.k8s.io\/v1beta2\ncertificatesDir: \/etc\/kubernetes\/pki\nclusterName: kubernetes\ncontrollerManager: {}\ndns:\n  type: CoreDNS\netcd:\n  local:\n    dataDir: \/var\/lib\/etcd\nimageRepository: registry.aliyuncs.com\/google_containers    #\u4fee\u6539\u62c9\u53d6k8s\u955c\u50cf\u7684\u4ed3\u5e93\uff0c\u9ed8\u8ba4\u7684 k8s.gcr.io \u662f google \u7684\u4ed3\u5e93\uff0c\u9700\u8981\u7ffb\u5899\nkind: ClusterConfiguration\nkubernetesVersion: v1.20.9    #\u4fee\u6539\u7248\u672c\u53f7\nnetworking:\n  dnsDomain: cluster.local\n  serviceSubnet: 10.96.0.0\/12\n  podSubnet: 10.244.0.0\/16        #\u6dfb\u52a0Pod\u4f7f\u7528\u7684\u5b50\u7f51\uff0ccalico\u63d2\u4ef6\u9ed8\u8ba4\u4f7f\u7528 192.168.0.0\/16 \u7684\u7f51\u7edc\uff0c\u5982\u679c\u9700\u8981\u81ea\u5b9a\u4e49\u7f51\u7edc\uff0c\u5219calico\u4f1a\u81ea\u52a8\u4ececubeadm\u5de5\u5177\u90e8\u7f72\u7684\u5df2\u8fd0\u884c\u7684k8s\u914d\u7f6e\u4e2d\u8bfb\u53d6pod\u5b50\u7f51\u3002\u5982\u679c\u662f\u5176\u5b83\u5de5\u5177\u90e8\u7f72\uff0c\u5c31\u9700\u8981\u4fee\u6539 CALICO_IPV4POOL_CIDR \u53c2\u6570\u3002\nscheduler: {}\n---\napiVersion: kubeproxy.config.k8s.io\/v1alpha1\nkind: KubeProxyConfiguration\nmode: \"ipvs\"<\/code><\/pre>\n<blockquote>\n<ul>\n<li>\u5173\u4e8e kubeadm-config.yaml \u66f4\u591a\u914d\u7f6e\u8bed\u6cd5\u53c2\u8003\uff1a<a href=\"https:\/\/godoc.org\/k8s.io\/kubernetes\/cmd\/kubeadm\/app\/apis\/kubeadm\/v1beta2\">https:\/\/godoc.org\/k8s.io\/kubernetes\/cmd\/kubeadm\/app\/apis\/kubeadm\/v1beta2<\/a><\/li>\n<li>\u4f7f\u7528 kubeadm-config.yaml \u914d\u7f6e\u4e3b\u8282\u70b9\uff1a<a href=\"https:\/\/kubernetes.io\/docs\/setup\/production-environment\/tools\/kubeadm\/control-plane-flags\/\">https:\/\/kubernetes.io\/docs\/setup\/production-environment\/tools\/kubeadm\/control-plane-flags\/<\/a><\/li>\n<li>kube-proxy\u5f00\u542fipvs\u53c2\u8003\uff1a <a href=\"https:\/\/github.com\/kubernetes\/kubernetes\/blob\/master\/pkg\/proxy\/ipvs\/README.md\">https:\/\/github.com\/kubernetes\/kubernetes\/blob\/master\/pkg\/proxy\/ipvs\/README.md<\/a><\/li>\n<li>kubelet\u7684\u914d\u7f6e\u793a\u4f8b\u53c2\u8003\uff1a <a href=\"https:\/\/kubernetes.io\/docs\/setup\/production-environment\/tools\/kubeadm\/kubelet-integration\/#configure-kubelets-using-kubeadm\">https:\/\/kubernetes.io\/docs\/setup\/production-environment\/tools\/kubeadm\/kubelet-integration\/#configure-kubelets-using-kubeadm<\/a><\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<li>\u6839\u636e\u914d\u7f6e\u7684 kubeadmin-config.yaml \u6587\u4ef6\u90e8\u7f72 master\n<pre><code>kubeadm init --config kubeadm-config.yaml<\/code><\/pre>\n<\/li>\n<li>\n<p>\u914d\u7f6e\u8bbf\u95ee\u96c6\u7fa4\uff08kubelet\u547d\u4ee4\u9700\u8981\u8bfb\u53d6\u6b64\u914d\u7f6e\u6587\u4ef6\uff09<\/p>\n<ul>\n<li>\u666e\u901a\u7528\u6237\uff1a\n<pre><code>mkdir -p $HOME\/.kube\ncp -i \/etc\/kubernetes\/admin.conf $HOME\/.kube\/config\nchown $(id -u):$(id -u) $HOME\/.kube\/config<\/code><\/pre>\n<\/li>\n<li>root \u7528\u6237\uff1a\n<pre><code>export KUBECONFIG=\/etc\/kubernetes\/admin.conf<\/code><\/pre>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u90e8\u7f72\u5b8c\u6210\u540e\uff0c\u53d1\u73b0\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528<code>kubectl get nodes<\/code>\u547d\u4ee4\u53d1\u73b0\uff1amaster \u8282\u70b9\u4e00\u76f4\u5904\u4e8e NotReady    <\/li>\n<li>\u4f7f\u7528<code>kubectl get pods -n kube-system<\/code>\u547d\u4ee4\u53d1\u73b0\uff1acoredns pod \u4e00\u76f4\u5904\u4e8e pending<\/li>\n<\/ol>\n<p>\u8fd9\u4e24\u4e2a\u95ee\u9898\u90fd\u662f\u56e0\u4e3a\u8fd8\u6ca1\u6709\u5b89\u88c5\u7f51\u7edc\u63d2\u4ef6\u5bfc\u81f4\u7684\u3002<\/p>\n<\/blockquote>\n<\/li>\n<li>\u5b89\u88c5\u7f51\u7edc\u63d2\u4ef6\n<pre><code>curl https:\/\/docs.projectcalico.org\/manifests\/calico.yaml -O\nkubectl apply -f calico.yaml\n\/\/\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u7b49\u4e00\u4f1a\uff0cmaster\u7684\u72b6\u6001\u5c31\u4f1a\u8f6c\u53d8\u6210 Ready<\/code><\/pre>\n<blockquote>\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/docs.projectcalico.org\/getting-started\/kubernetes\/self-managed-onprem\/onpremises#install-calico-with-kubernetes-api-datastore-50-nodes-or-less\">https:\/\/docs.projectcalico.org\/getting-started\/kubernetes\/self-managed-onprem\/onpremises#install-calico-with-kubernetes-api-datastore-50-nodes-or-less<\/a><\/p>\n<\/blockquote>\n<\/li>\n<li>\u9a8c\u8bc1\u96c6\u7fa4\u72b6\u6001\n<ul>\n<li><code>kubectl get nodes<\/code>\uff1a\u67e5\u770b\u8282\u70b9\u72b6\u6001<\/li>\n<li><code>kubectl get pods -n kube-system<\/code>\uff1a\u67e5\u770b\u6240\u6709\u63a7\u5236\u9762\u7ec4\u4ef6\u7684\u8fd0\u884c\u72b6\u6001<\/li>\n<li><code>kubectl get componentstatuses|cs<\/code>\uff1a\u67e5\u770b\u5404\u7ec4\u4ef6\u5065\u5eb7\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e worker \u8282\u70b9<\/strong><br \/>\n\u5728master\u8282\u70b9\u4e0a\uff0c\u5f53\u90e8\u7f72master\u6210\u529f\u65f6\uff0c\u4f1a\u8fd4\u56de\u7c7b\u4f3c\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n<pre><code>Then you can join any number of worker nodes by running the following on each as root:\n\nkubeadm join 192.168.6.171:6443 --token abcdef.0123456789abcdef \\\n--discovery-token-ca-cert-hash sha256:e275f28377f62b2884ee501a77fce2a6f9340aed5cc69c2453aee931203f94b0\n\/\/ \u5728worker\u8282\u70b9\u4e0a\u6267\u884c\u4e0a\u9762\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u5c06\u8282\u70b9\u52a0\u5165\u5230K8S\u96c6\u7fa4<\/code><\/pre>\n<ul>\n<li>\n<p>\u5c06\u8282\u70b9\u52a0\u5165\u96c6\u7fa4<\/p>\n<pre><code>kubeadm join 192.168.6.171:6443 --token abcdef.0123456789abcdef \\\n--discovery-token-ca-cert-hash sha256:e275f28377f62b2884ee501a77fce2a6f9340aed5cc69c2453aee931203f94b0<\/code><\/pre>\n<ul>\n<li>\u6ce8\u610f\uff1a<font color=red>\u4ee5\u4e0a\u6307\u4ee4\u4e2d\u7684token\u6709\u6548\u671f\u53ea\u670924\u5c0f\u65f6\uff0c\u5f53token\u5931\u6548\u4ee5\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>kubeadm token create --print-join-command<\/code> \u751f\u6210\u65b0\u7684\u6dfb\u52a0\u8282\u70b9\u6307\u4ee4\u3002<\/font><\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4ece\u96c6\u7fa4\u4e2d\u5220\u9664\u8282\u70b9<\/p>\n<pre><code>kubectl delete nodes cka03\n\n\/\/\u5982\u679c\u9700\u8981\u91cd\u65b0\u52a0\u5165\u96c6\u7fa4\uff0c\u8fd8\u9700\u8981\u5220\u9664\u4e0b\u9762\u4e24\u4e2a\u6587\u4ef6\n\/\/ rm -f \/etc\/kubernetes\/kubelet.conf \/etc\/kubernetes\/pki\/ca.crt && systemctl restart kubelet<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h1>\u6269\u5c55\u63d2\u4ef6\u5b89\u88c5<\/h1>\n<p>\u5728\u96c6\u7fa4\u5b89\u88c5\u5b8c\u6210\u4e4b\u540e\uff0c\u6b63\u5f0f\u6295\u4ea7\u8fd8\u9700\u8981\u5b89\u88c5\u53e6\u5916\u4e00\u4e9b\u63d2\u4ef6\u3002<br \/>\n\u5b89\u88c5\u6269\u5c55\u63d2\u4ef6\uff0c\u53ea\u9700\u8981\u5728 master \u8282\u70b9\u4e0a\u64cd\u4f5c\u3002<\/p>\n<h2>\u5b89\u88c5 helm<\/h2>\n<p>helm\u7684github\u4ed3\u5e93\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/helm\/helm\">https:\/\/github.com\/helm\/helm<\/a><br \/>\n<strong>\u5b89\u88c5\uff1a<\/strong><\/p>\n<pre><code>wget https:\/\/breezey-public.oss-cn-zhangjiakou.aliyuncs.com\/softwares\/linux\/helm-v3.0.3-linux-amd64.tar.gz\n\n#\u6dfb\u52a0\u5b98\u65b9chart\nhelm repo add stable https:\/\/kubernetes-charts.storage.googleapis.com\/<\/code><\/pre>\n<h2>\u5b89\u88c5 ingress<\/h2>\n<p>ingress\u7684github\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/kubernetes\/ingress-nginx\">https:\/\/github.com\/kubernetes\/ingress-nginx<\/a><br \/>\n<strong>\u5b89\u88c5\uff1a<\/strong><\/p>\n<pre><code>wget https:\/\/raw.githubusercontent.com\/kubernetes\/ingress-nginx\/master\/deploy\/static\/provider\/baremetal\/deploy.yaml\n\n# \u4fee\u6539\u5185\u5bb9\u5982\u4e0b\uff1a \n...\n          image: registry.cn-zhangjiakou.aliyuncs.com\/breezey\/ingress-nginx:v0.41.2\n          ...\n          ports:\n            - name: http\n              containerPort: 80\n              protocol: TCP\n              hostPort: 80\n            - name: https\n              containerPort: 443\n              protocol: TCP\n              hostPort: 443\n            - name: webhook\n              containerPort: 8443\n              protocol: TCP          \n...<\/code><\/pre>\n<h2>\u5b89\u88c5 metrics-server<\/h2>\n<p>metrics-server \u7528\u4e8e\u5728\u96c6\u7fa4\u5185\u90e8\u5411 kube-apiserver \u66b4\u9732\u96c6\u7fa4\u6307\u6807\u3002<br \/>\nmetrics-server \u7684github\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/kubernetes-sigs\/metrics-server\">https:\/\/github.com\/kubernetes-sigs\/metrics-server<\/a><br \/>\n<strong>\u5b89\u88c5\uff1a<\/strong><\/p>\n<pre><code># \u4e0b\u8f7d\u5b89\u88c5\u6587\u4ef6\nwget https:\/\/github.com\/kubernetes-sigs\/metrics-server\/releases\/download\/v0.4.1\/components.yaml\n\n# \u4fee\u6539 metrics-server-deployment.yaml \u6587\u4ef6\u76f8\u5173\u914d\u7f6e\uff1a\n\/\/ 1. \u4fee\u6539\u955c\u50cf\u5730\u5740\uff0c\u9ed8\u8ba4\u955c\u50cf\u6765\u81eak8s.grc.io\nimage: registry.cn-zhangjiakou.aliyuncs.com\/breezey\/metrics-server:v0.4.1\n\/\/ 2. \u4fee\u6539 metrics-server \u542f\u52a8\u53c2\u6570\n      containers:\n      - args:\n        - --cert-dir=\/tmp\n        - --secure-port=4443\n        - --kubelet-insecure-tls\n        - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname\n        - --kubelet-use-node-status-port\n\n# \u90e8\u7f72\nkubectl apply -f components.yaml\n\n# \u9a8c\u8bc1\n[root@cka-master metrics-server]# kubectl top nodes\nNAME           CPU(cores)   CPU%   MEMORY(bytes)   MEMORY%\n192.168.0.93   169m         8%     1467Mi          39%\ncka-node1      138m         6%     899Mi           24%<\/code><\/pre>\n<h2>\u5b89\u88c5 dashboard<\/h2>\n<p>dashboard \u7684gitbub\u4ed3\u5e93\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/kubernetes\/dashboard\">https:\/\/github.com\/kubernetes\/dashboard<\/a><br \/>\n\u4ee3\u7801\u4ed3\u5e93\u5f53\u4e2d\uff0c\u6709\u7ed9\u51fa\u5b89\u88c5\u793a\u4f8b\u7684\u76f8\u5173\u90e8\u7f72\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u83b7\u53d6\u4e4b\u540e\uff0c\u76f4\u63a5\u90e8\u7f72\u5373\u53ef\uff1a<\/p>\n<pre><code>wget https:\/\/raw.githubusercontent.com\/kubernetes\/dashboard\/master\/aio\/deploy\/recommended.yaml\nkubectl apply -f .\/recommended.yaml<\/code><\/pre>\n<p>\u9ed8\u8ba4\u8fd9\u4e2a\u90e8\u7f72\u6587\u4ef6\u5f53\u4e2d\uff0c\u4f1a\u5355\u72ec\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a kubernetes-dashboard \u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5e76\u5c06 kubernetes-dashboard \u90e8\u7f72\u5728\u8be5\u547d\u540d\u7a7a\u95f4\u4e0b\u3002dashboard \u7684\u955c\u50cf\u6765\u81ea docker hub \u5b98\u65b9\uff0c\u6240\u4ee5\u53ef\u4e0d\u7528\u4fee\u6539\u955c\u50cf\u5730\u5740\uff0c\u76f4\u63a5\u4ece\u5b98\u65b9\u83b7\u53d6\u5373\u53ef\u3002<br \/>\n\u4f46\u662f\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cdashboard\u5e76\u4e0d\u5bf9\u5916\u5f00\u653e\u8bbf\u95ee\u7aef\u53e3\uff0c\u8fd9\u91cc\u7b80\u5316\u4e86\u64cd\u4f5c\uff0c\u76f4\u63a5\u4f7f\u7528 nodePort \u7684\u65b9\u5f0f\u5c06\u5176\u7aef\u53e3\u66b4\u9732\u51fa\u6765\uff0c\u4fee\u6539 service \u90e8\u5206\u7684\u5b9a\u4e49\uff1a<\/p>\n<pre><code>kind: Service\napiVersion: v1\nmetadata:\n  labels:\n    k8s-app: kubernetes-dashboard\n  name: kubernetes-dashboard\n  namespace: kubernetes-dashboard\nspec:\n  ports:\n    - port: 443\n      targetPort: 8443\n      nodePort: 32443\n  type: NodePort\n  selector:\n    k8s-app: kubernetes-dashboard<\/code><\/pre>\n<p>\u91cd\u65b0\u521b\u5efa service\uff1a<\/p>\n<pre><code>kubectl delete svc kubernetes-dashboard -n kubernetes-dashboard\nkubectl apply -f .\/recommended.yaml<\/code><\/pre>\n<p>\u6b64\u65f6\uff0c\u5373\u53ef\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95eeweb\u7aef\uff0c\u7aef\u53e3\u4e3a 32443\u3002<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u51fa\u73b0\u5982\u4e0a\u753b\u9762\uff0c\u9700\u8981\u8f93\u5165\u4e00\u4e2a kubeconfig \u6587\u4ef6\u6216\u8005\u4e00\u4e2a token\u3002\u4e8b\u5b9e\u4e0a\u5728\u5b89\u88c5 dashboard \u65f6\uff0c\u5df2\u4e3a\u6211\u4eec\u9ed8\u8ba4\u521b\u5efa\u597d\u4e86\u4e00\u4e2a serviceaccout\uff0c\u4e3a &quot;kubernetes-dashboard&quot;\uff0c\u5e76\u4e3a\u5176\u751f\u6210\u597d\u4e86 token\uff0c\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u6307\u4ee4\u83b7\u53d6\u8be5 sa \u7684 token\uff1a<\/p>\n<pre><code>kubectl describe secret -n kubernetes-dashboard $(kubectl get secret -n kubernetes-dashboard |grep  kubernetes-dashboard-token | awk &#039;{print $1}&#039;) |grep token | awk &#039;{print $2}&#039;<\/code><\/pre>\n<p>\u901a\u8fc7\u8be5 token \u767b\u5f55\u96c6\u7fa4\u540e\uff0c\u53d1\u73b0\u5f88\u591a namespace \u5305\u62ec\u4e00\u4e9b\u5176\u4ed6\u7684\u8d44\u6e90\u90fd\u6ca1\u6709\u8db3\u591f\u7684\u6743\u9650\u67e5\u770b\uff0c\u8fd9\u662f\u56e0\u4e3a\u9ed8\u8ba4\u6211\u4eec\u4f7f\u7528\u7684\u8fd9\u4e2a\u8d26\u6237\u6743\u9650\u6709\u9650\u3002\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8be5 sa \u6388\u4e88 cluster-admin \u6743\u9650\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n<pre><code># \u4fee\u6539 ClusterRoleBinding \u8d44\u6e90\u5185\u5bb9\u5982\u4e0b\uff1a\napiVersion: rbac.authorization.k8s.io\/v1\nkind: ClusterRoleBinding\nmetadata:\n  name: kubernetes-dashboard\nroleRef:\n  apiGroup: rbac.authorization.k8s.io\n  kind: ClusterRole\n  name: cluster-admin\nsubjects:\n  - kind: ServiceAccount\n    name: kubernetes-dashboard\n    namespace: kubernetes-dashboard<\/code><\/pre>\n<p>\u91cd\u65b0\u521b\u5efa clusterrolebinding\uff1a<\/p>\n<pre><code>kubectl delete clusterrolebinding  kubernetes-dashboard -n kubernetes-dashboard\nkubectl apply -f .\/recommended.yaml<\/code><\/pre>\n<p>\u6b64\u65f6\uff0ckubernetes-dashboard\u76f8\u5173\u914d\u7f6e\u90fd\u5df2\u5b8c\u6210\u3002<\/p>\n<hr \/>\n<h1>\u91cd\u7f6e\u96c6\u7fa4<\/h1>\n<p>\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u9047\u5230\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06\u96c6\u7fa4\u91cd\u7f6e\uff0c\u91cd\u65b0\u5f00\u59cb\u90e8\u7f72\uff1a<\/p>\n<pre><code># \u91cd\u7f6e\u96c6\u7fa4\nkubeadm reset\n\n# \u505c\u6b62 kubelet\nsystemctl stop kebelet\n\n# \u5220\u9664\u5df2\u7ecf\u90e8\u7f72\u7684\u5bb9\u5668\ndocker ps -qa | xargs docker rm -f\n\n# \u6e05\u7406\u6240\u6709\u76ee\u5f55\nrm -rf \/etc\/kubernetes \/var\/lib\/kubelet \/var\/lib\/etcd \/var\/lib\/cni\/<\/code><\/pre>\n<hr \/>\n<h1>\u5347\u7ea7\u96c6\u7fa4<\/h1>\n<h2>\u6ce8\u610f\u4e8b\u9879\uff1a<\/h2>\n<ol>\n<li>\u4f7f\u7528 kubeadm \u5347\u7ea7\u96c6\u7fa4\uff0c\u4e0d\u652f\u6301\u8de8\u7248\u672c\u5347\u7ea7\uff1b<\/li>\n<li>swap \u5fc5\u987b\u5173\u95ed\uff1b<\/li>\n<li>\u6ce8\u610f\u6570\u636e\u5907\u4efd\u3002\u867d\u7136 kubeadm upgrade \u64cd\u4f5c\u4e0d\u4f1a\u89e6\u78b0\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u53ea\u4f1a\u66f4\u65b0 kubernetes \u7ec4\u4ef6\uff0c\u4f46\u4efb\u4f55\u65f6\u5019\uff0c\u5907\u4efd\u90fd\u662f\u6700\u4f73\u5b9e\u8df5\uff1b<\/li>\n<li>\u8282\u70b9\u66f4\u65b0\u5b8c\u6210\u540e\uff0c\u5176\u4e0a\u7684\u6240\u6709\u5bb9\u5668\u90fd\u4f1a\u88ab\u91cd\u542f\uff1b<\/li>\n<\/ol>\n<h2>\u64cd\u4f5c\u5347\u7ea7<\/h2>\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/kubernetes.io\/docs\/tasks\/administer-cluster\/kubeadm\/kubeadm-upgrade\/\">https:\/\/kubernetes.io\/docs\/tasks\/administer-cluster\/kubeadm\/kubeadm-upgrade\/<\/a><\/p>\n<h3>\u5347\u7ea7 master \u8282\u70b9<\/h3>\n<h4>\u5347\u7ea7 kubeadm<\/h4>\n<ul>\n<li>\n<p>\u68c0\u67e5\u53ef\u7528 kubeadm \u7248\u672c<\/p>\n<pre><code># ubuntu\napt update\napt-cache madison kubeadm\n\n# centos\nyum list --showduplicates kubeadm --disableexcludes=kubernetes<\/code><\/pre>\n<\/li>\n<li>\n<p>\u66f4\u65b0 kubeadm \u8f6f\u4ef6\u5305<\/p>\n<pre><code># ubuntu\napt update \napt upgrade -y kubeadm=1.21.0-00\n\n# centos\nyum update -y kubeadm-1.21.0-0<\/code><\/pre>\n<\/li>\n<li>\n<p>\u6392\u5e72\u8981\u66f4\u65b0\u7684\u8282\u70b9<\/p>\n<pre><code># \u8fd9\u91cc\u4ee5 master \u8282\u70b9\u4e3a\u4f8b\nkubectl drain 192.168.6.171 --ignore-daemonsets<\/code><\/pre>\n<\/li>\n<li>\n<p>\u521b\u5efa\u5347\u7ea7\u8ba1\u5212<\/p>\n<pre><code>kubeadm upgrade plan<\/code><\/pre>\n<\/li>\n<li>\n<p>\u6309\u7167\u63d0\u793a\u6267\u884c\u5347\u7ea7<\/p>\n<pre><code>kubeadm upgrade apply v1.21.0<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5c06\u8282\u70b9\u91cd\u65b0\u8bbe\u7f6e\u4e3a\u53ef\u8c03\u5ea6<\/p>\n<pre><code>kubectl uncordon cka01<\/code><\/pre>\n<\/li>\n<\/ul>\n<p>\u5982\u679c\u6709\u591a\u4e2a master \u8282\u70b9\uff0c\u5347\u7ea7\u5176\u5b83 master \u8282\u70b9\uff0c\u76f4\u63a5\u6267\u884c\u5982\u4e0b\u64cd\u4f5c\u5373\u53ef\uff1a<\/p>\n<pre><code>kubeadm upgrade node<\/code><\/pre>\n<h4>\u5347\u7ea7 kubelet \u548c kubectl<\/h4>\n<pre><code># ubuntu\napt update\napt upgrade -y kubelet=1.20.4-00 kubectl=1.21.0-00\n\n# centos\nyum update -y kubelet-1.20.4-0 kubectl-1.21.0-0<\/code><\/pre>\n<p>\u91cd\u542fkubelet\uff1a<\/p>\n<pre><code>systemctl daemon-reload\nsystemctl restart kubelet<\/code><\/pre>\n<h3>\u5347\u7ea7 worker \u8282\u70b9<\/h3>\n<pre><code># \u5728woker\u8282\u70b9\u4e0a\u5347\u7ea7kubeadm\nyum upgrade kubeadm-1.21.0-0 -y\n\n# \u5728master\u8282\u70b9\u4e0a\u6392\u5e72\u8981\u5347\u7ea7\u7684worker\u8282\u70b9\nkubectl drain cka02\n\n# \u5728worker\u8282\u70b9\u4e0a\u6267\u884c\u5347\u7ea7\u64cd\u4f5c\nkubectl upgrade node \n\n# \u5728worker\u8282\u70b9\u4e0a\u66f4\u65b0kubelet\u548ckubectl\nyum upgrade kubelet-1.21.0-0 kubectl-1.21.0-0\n\n# \u91cd\u542fworker\u8282\u70b9\u4e0a\u7684kubelet\nsystemctl daemon_reload\nsystemctl restart kubelet\n\n# \u5728master\u8282\u70b9\u4e0a\u53d6\u6d88worker\u8282\u70b9\u7684\u4e0d\u53ef\u8c03\u5ea6\u8bbe\u7f6e\nkubectl uncordon cka02<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>[TOC] K8S \u7684\u89d2\u8272\u53ca\u7ec4\u4ef6 \u7ba1\u7406\u8282\u70b9 Ma&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/www.carnica.cn\/index.php?rest_route=\/wp\/v2\/posts\/172"}],"collection":[{"href":"https:\/\/www.carnica.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carnica.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carnica.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carnica.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=172"}],"version-history":[{"count":3,"href":"https:\/\/www.carnica.cn\/index.php?rest_route=\/wp\/v2\/posts\/172\/revisions"}],"predecessor-version":[{"id":175,"href":"https:\/\/www.carnica.cn\/index.php?rest_route=\/wp\/v2\/posts\/172\/revisions\/175"}],"wp:attachment":[{"href":"https:\/\/www.carnica.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carnica.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carnica.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}