{"id":33110,"date":"2023-06-26T00:22:14","date_gmt":"2024-01-26T04:00:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/"},"modified":"2024-04-30T10:41:29","modified_gmt":"2024-04-30T02:41:29","slug":"kubernetes-%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/","title":{"rendered":"Kubernetes \u662f\u4ec0\u4e48"},"content":{"rendered":"

\u4e0d\u4e45\u524d\uff0c\u6211\u4f7f\u7528Kubernetes\u90e8\u7f72\u4e86\u4e00\u4e2a\u7279\u5b9a\u7684\u670d\u52a1\u3002 Kubernetes\u5177\u6709\u5f88\u591a\u529f\u80fd\uff0c\u867d\u7136\u6211\u53ea\u5c1d\u8bd5\u4e86\u5176\u4e2d\u4e00\u5c0f\u90e8\u5206\u4f5c\u4e3a\u6700\u4f4e\u5fc5\u8981\u7684\u529f\u80fd\uff0c\u4f46\u6211\u5728\u9605\u8bfb\u5b98\u65b9\u6587\u6863\u65f6\u8fdb\u884c\u4e86\u4e00\u4e9b\u5b9e\u9a8c\uff0c\u73b0\u5728\u5c06\u5176\u53d1\u8868\u51fa\u6765\u3002<\/p>\n

Kubernetes \u7684\u67b6\u6784<\/h2>\n

Kubernetes\u662f\u7531Master\u548cNode\u8fd9\u4e24\u79cd\u8282\u70b9\u7ec4\u6210\u7684\u96c6\u7fa4\u7cfb\u7edf\u3002
\n\u7ba1\u7406\u5458\u53ef\u4ee5\u5728Master\u4e0a\u8fd0\u884ckubectl\u547d\u4ee4\uff0c\u5c06”\u8d44\u6e90”\u90e8\u7f72\u5230Node\u4e0a\u3002
\n\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86KVM\u6765\u6784\u5efa\u96c6\u7fa4\u73af\u5883\u3002Master\u7684\u4e3b\u673a\u540d\u662fkubemaster\uff0cNode\u7684\u4e3b\u673a\u540d\u662fkuberworker\u3002Kubernetes\u7684\u7248\u672c\u662fv1.11\u3002<\/p>\n

Kubernetes \u8d44\u6e90<\/h2>\n

\u516c\u5f0f\u5bf9\u4ee5\u4e0b\u8d44\u6e90\u8fdb\u884c\u4e86\u63cf\u8ff0\u3002<\/p>\n

\n
\u5206\u985e\u8aac\u660eWorkloads\u30b3\u30f3\u30c6\u30ca\u306e\u5b9f\u884c\u30fb\u7ba1\u7406\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Configuration\u8a08\u7b97\u6a5f\u8cc7\u6e90\u306e\u5272\u308a\u5f53\u3066\u3084\u7ba1\u7406\u3001\u6a5f\u5bc6\u60c5\u5831\u306e\u79d8\u533f\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Services, Load Balancing, and Networking\u30b3\u30f3\u30c6\u30ca\u306e\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u63a5\u7d9a\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Storage\u30c7\u30a3\u30b9\u30af\u9818\u57df\u306e\u5229\u7528\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Policies\u30af\u30a9\u30fc\u30bf\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306a\u3069\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9<\/div>\n<\/div>\n

\u8fd9\u7bc7\u6587\u7ae0\u7684\u5185\u5bb9\u662f\u5173\u4e8e Workloads \u8d44\u6e90\u548c Services \u8d44\u6e90\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\u5de5\u4f5c\u91cf \u8d44\u6e90<\/h2>\n

\u8c46\u835a ji\u00e1)<\/h3>\n

Node\u8282\u70b9\u4e0a\u90e8\u7f72\u7684\u5355\u4f4d\u662f\u88ab\u79f0\u4e3aPod\u7684\u5355\u4f4d\uff0cKubernetes\u4e0d\u76f4\u63a5\u7ba1\u7406\u5bb9\u5668\uff0c\u800c\u662f\u7ba1\u7406\u8fd9\u4e9bPod\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2aPod\u53ea\u6709\u4e00\u4e2a\u5bb9\u5668\uff0c\u4f46\u4e5f\u53ef\u4ee5\u80af\u5b9a\u5730\u8bf4\uff0c\u5b58\u5728\u4e00\u4e2aPod\u4e2d\u542f\u52a8\u591a\u4e2a\u5bb9\u5668\u7684\u90e8\u7f72\u65b9\u5f0f\uff0c\u4f8b\u5982\u626e\u6f14\u4ee3\u7406\u89d2\u8272\u7684\u5bb9\u5668\u6216\u7528\u4e8eSSL\u7ec8\u6b62\u7684\u5bb9\u5668\u3002\u8f85\u52a9\u4e3b\u8981\u5bb9\u5668\u7684\u89d2\u8272\u88ab\u79f0\u4e3aSidecar\u7684\u5b50\u5bb9\u5668\u3002\u540c\u65f6\uff0c\u5c5e\u4e8e\u540c\u4e00\u4e2aPod\u7684\u5bb9\u5668\u4e4b\u95f4\u5171\u4eabIP\u5730\u5740\u548c\u7aef\u53e3\uff0c\u5c31\u50cf\u662f\u5728\u540c\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u542f\u52a8\u7684\u8fdb\u7a0b\u4e00\u6837\u3002\u56e0\u6b64\uff0c\u5728\u5bb9\u5668\u5185\u90e8\u8fd0\u884c\u7684\u670d\u52a1\u53ef\u4ee5\u4f7f\u7528”localhost:<\u7aef\u53e3\u53f7>”\u7684\u683c\u5f0f\u8fdb\u884c\u76f8\u4e92\u901a\u4fe1\u3002Pod\u540d\u88ab\u5171\u4eab\u4e3a\u4e3b\u673a\u540d\u3002<\/p>\n

\u6211\u4eec\u5c06\u5728\u540c\u4e00\u4e2a Pod \u5185\u542f\u52a8 NGINX \u5bb9\u5668\u548c\u5ba2\u6237\u7aef\u5bb9\u5668\uff0c\u5e76\u9a8c\u8bc1\u5bb9\u5668\u4e4b\u95f4\u7684\u8bbf\u95ee\u3002\u6211\u4eec\u5df2\u7ecf\u521b\u5efa\u4e86\u4ee5\u4e0b\u7684 YAML \u6587\u4ef6\u3002\u5ba2\u6237\u7aef\u5bb9\u5668\u662f\u4ece CentOS 7.5 \u955c\u50cf\u542f\u52a8\u7684\u3002<\/p>\n

---<\/span>\r\napiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> Pod<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> nginx-pod<\/span>\r\nspec<\/span>:<\/span>\r\n  containers<\/span>:<\/span>\r\n    -<\/span> name<\/span>:<\/span> nginx<\/span>\r\n      image<\/span>:<\/span> nginx:latest<\/span>\r\n      ports<\/span>:<\/span>\r\n        -<\/span> containerPort<\/span>:<\/span> 80<\/span>\r\n    -<\/span> name<\/span>:<\/span> centos<\/span>\r\n      image<\/span>:<\/span> centos:7.5.1804<\/span>\r\n      command<\/span>:<\/span> [<\/span>\"<\/span>\/sbin\/init\"<\/span>]<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528kubectl apply\u547d\u4ee4\u90e8\u7f72Pod\u3002<\/p>\n
[homulilly@kubemaster ~]$ kubectl apply -f nginx-pod.yml \r\npod\/nginx-pod created\r\n\r\n[homulilly@kubemaster ~]$ kubectl get pods\r\nNAME        READY     STATUS    RESTARTS   AGE\r\nnginx-pod   2\/2       Running   0          7s\r\n<\/code><\/pre>\n
\u6211\u4f1a\u767b\u5f55\u5230nginx-pod\u5185\u7684centos\u5bb9\u5668\uff0c\u5e76\u4f7f\u7528curl\u547d\u4ee4\u8bbf\u95eelocalhost:80\u3002<\/p>\n
[homulilly@kubemaster ~]$ kubectl exec -ti nginx-pod -c centos bash\r\n\r\n[root@nginx-pod \/]# curl http:\/\/localhost\r\n<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<title>Welcome to nginx!<\/title>\r\n<style>\r\n    body {\r\n        width: 35em;\r\n        margin: 0 auto;\r\n        font-family: Tahoma, Verdana, Arial, sans-serif;\r\n    }\r\n<\/style>\r\n<\/head>\r\n<body>\r\n<h1>Welcome to nginx!<\/h1>\r\n<p>If you see this page, the nginx web server is successfully installed and\r\nworking. Further configuration is required.<\/p>\r\n\r\n<p>For online documentation and support please refer to\r\n<a href=\"http:\/\/nginx.org\/\">nginx.org<\/a>.<br\/>\r\nCommercial support is available at\r\n<a href=\"http:\/\/nginx.com\/\">nginx.com<\/a>.<\/p>\r\n\r\n<p><em>Thank you for using nginx.<\/em><\/p>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
\u6211\u4eec\u6210\u529f\u4e86\u3002\u5b98\u65b9\u63d0\u4f9b\u4e86\u5bc6\u5207\u534f\u4f5c\u7684\u5bb9\u5668\u793a\u4f8b\uff0c\u4e0d\u4ec5\u5171\u4eab\u7f51\u7edc\u8fd8\u5171\u4eab\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n
\u590d\u5236\u96c6\u5408<\/h3>\n
ReplicaSet \u8d1f\u8d23\u7ba1\u7406 Pod \u7684\u526f\u672c\u6570\u91cf\u3002\u867d\u7136 ReplicaSet \u53ef\u4ee5\u5355\u72ec\u542f\u52a8\uff0c\u4f46\u4e00\u822c\u60c5\u51b5\u4e0b\u4f1a\u5148\u542f\u52a8\u7ba1\u7406 ReplicaSet \u7684 Deployment\u3002\u53e6\u5916\uff0c\u901a\u8fc7 label selector\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e3a Kubernetes \u5bf9\u8c61\u5206\u914d\u7684\u6807\u7b7e\u8fdb\u884c\u5bf9\u8c61\u95f4\u7684\u64cd\u4f5c\u3002\u5728 ReplicaSet \u4e2d\uff0c\u652f\u6301\u901a\u8fc7 =\/==\/!= \u6765\u9009\u62e9\u6807\u7b7e\u7684\u57fa\u4e8e\u7b49\u5f0f\u7684\u65b9\u5f0f\uff0c\u4ee5\u53ca\u901a\u8fc7 in\/notin\/exists \u6765\u9009\u62e9\u6807\u7b7e\u7684\u57fa\u4e8e\u96c6\u5408\u7684\u65b9\u5f0f\u3002<\/p>\n
\u751f\u6210ReplicaSet\u4ee5\u7ba1\u7406\u5305\u542bNGINX\u5bb9\u5668\u7684Pod\u3002\u6211\u5df2\u7ecf\u521b\u5efa\u4e86\u4ee5\u4e0bYAML\u6587\u4ef6\u3002<\/p>\n
---<\/span>\r\napiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> ReplicaSet<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> nginx-rs<\/span>\r\nspec<\/span>:<\/span>\r\n  replicas<\/span>:<\/span> 2<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> nginx<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      name<\/span>:<\/span> nginx<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> nginx<\/span>\r\n    spec<\/span>:<\/span>\r\n      containers<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> nginx<\/span>\r\n          image<\/span>:<\/span> nginx:latest<\/span>\r\n          ports<\/span>:<\/span>\r\n            -<\/span> containerPort<\/span>:<\/span> 80<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528kubectl apply\u547d\u4ee4\u90e8\u7f72Replicaset\u3002<\/p>\n
[homulilly@kubemaster ~]$ kubectl apply -f nginx-replicaset.yml \r\n\r\n[homulilly@kubemaster ~]$ kubectl get replicaset -o wide\r\nNAME        DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-rs    2         2         2         17s       nginx        nginx:latest      app=nginx\r\n\r\n[homulilly@kubemaster ~]$ kubectl get pods -o wide\r\nNAME              READY     STATUS    RESTARTS   AGE       IP          NODE\r\nnginx-rs-qpxmh    1\/1       Running   0          14m       10.44.0.3   kubeworker\r\nnginx-rs-t7frx    1\/1       Running   0          14m       10.44.0.4   kubeworker\r\n<\/code><\/pre>\n
\u5df2\u751f\u6210\u4e862\u4e2aPod\u3002
\n\u901a\u8fc7Replicaset\u6765\u7ba1\u7406Pod\u7684\u526f\u672c\u6570\u91cf\uff0c\u786e\u4fdd\u5373\u4f7fPod\u88ab\u5220\u9664\uff0c\u4e5f\u4f1a\u7acb\u5373\u91cd\u65b0\u751f\u6210\u3002<\/p>\n
[homulilly@kubemaster ~]$ kubectl delete pod\/nginx-rs-t7frx\r\npod \"nginx-rs-t7frx\" deleted\r\n\r\n[homulilly@kubemaster ~]$ kubectl get pods -o wide\r\nNAME              READY     STATUS    RESTARTS   AGE       IP          NODE\r\nnginx-rs-qpxmh    1\/1       Running   0          54m       10.44.0.3   kubeworker\r\nnginx-rs-rs6z5    1\/1       Running   0          8s        10.44.0.4   kubeworker\r\n<\/code><\/pre>\n
\u5220\u9664 nginx-rs-t7frx \u540e\uff0c\u65b0\u589e\u4e86 nginx-rs-rs6z5 \u7684\u542f\u52a8\u3002
\n\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u8fdb\u884c\u6269\u5bb9\u64cd\u4f5c\uff0c\u5c06 nginx-rs \u7684\u526f\u672c\u6570\u91cf\u8bbe\u7f6e\u4e3a 5\u3002<\/p>\n
[homulilly@kubemaster ~]$ kubectl scale rs nginx-rs --replicas 5\r\nreplicaset.extensions\/nginx-rs scaled\r\n\r\n[homulilly@kubemaster ~]$ kubectl get rs -o wide\r\nNAME        DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-rs    5         5         5         1h        nginx        nginx:latest      app=nginx\r\n\r\n[homulilly@kubemaster ~]$ kubectl get pods -o wide\r\nNAME              READY     STATUS    RESTARTS   AGE       IP          NODE\r\nnginx-rs-2tl74    1\/1       Running   0          37s       10.44.0.6   kubeworker\r\nnginx-rs-qdktp    1\/1       Running   0          37s       10.44.0.8   kubeworker\r\nnginx-rs-qpxmh    1\/1       Running   0          1h        10.44.0.3   kubeworker\r\nnginx-rs-rs6z5    1\/1       Running   0          10m       10.44.0.4   kubeworker\r\nnginx-rs-v6dbd    1\/1       Running   0          37s       10.44.0.7   kubeworker\r\n<\/code><\/pre>\n
\u6570\u91cf\u589e\u52a0\u4e86\u3002\u6211\u4f7f\u7528kubectl\u547d\u4ee4\u76f4\u63a5\u8fdb\u884c\u4e86\u6269\u5c55\uff0c\u4f46\u5728\u7f16\u8f91\u4e86YAML\u6587\u4ef6\u4e2d\u7684\u526f\u672c\u6570\u540e\uff0c\u518d\u6b21\u4f7f\u7528kubectl apply\u4e5f\u662f\u540c\u6837\u7684\u7ed3\u679c\u3002<\/p>\n
\u90e8\u7f72<\/h3>\n
\u90e8\u7f72\uff08Deployment\uff09\u901a\u8fc7\u7ba1\u7406 ReplicaSet \u6765\u8fdb\u884c Pod \u7684\u6eda\u52a8\u66f4\u65b0\u548c\u56de\u6eda\u3002\u5de5\u4f5c\u539f\u7406\u975e\u5e38\u7b80\u5355\uff0c<\/p>\n
    \n
  1. \n
      \u521b\u5efa\u4e00\u4e2a\u65b0\u7684 ReplicaSet<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          \u9010\u6e10\u589e\u52a0\u65b0 ReplicaSet \u4e0a\u7684\u526f\u672c\u6570\uff08Pod \u6570\uff09<\/ol>\n<\/li>\n<\/ol>\n
           <\/p>\n
            \n
          1. \n
              \u9010\u6e10\u51cf\u5c11\u65e7 ReplicaSet \u4e0a\u7684\u526f\u672c\u6570\uff08Pod \u6570\uff09<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                \n
              1. \n
                  4.\uff08\u91cd\u590d\u6b65\u9aa42\u548c3\uff09<\/ol>\n<\/li>\n<\/ol>\n
                   <\/p>\n
                    \u4fdd\u6301\u65e7 ReplicaSet \u7684\u526f\u672c\u6570\u4e3a0<\/ol>\n
                    \u91c7\u53d6\u8fd9\u79cd\u6d41\u7a0b\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u8c03\u6574\u4ece\u65e7\u7684 ReplicaSet \u5230\u65b0\u7684 ReplicaSet \u7684\u8fc1\u79fb\u901f\u5ea6\uff0c\u5305\u62ec\u4e00\u6b21\u6027\u8fc1\u79fb\u6216\u4e00\u6b21\u8fc1\u79fb\u4e00\u4e2aPod\u3002<\/p>\n
                    \u751f\u6210\u4e00\u4e2aDeployment\uff0c\u7528\u4e8e\u7ba1\u7406\u5305\u542bNGINX\u5bb9\u5668\u7684Pod\uff0c\u5e76\u7ba1\u7406Replicaset\u3002\u5df2\u521b\u5efa\u4ee5\u4e0bYAML\u6587\u4ef6\u3002<\/p>\n
                    ---<\/span>\r\napiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> Deployment<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> nginx-deployment<\/span>\r\n  labels<\/span>:<\/span>\r\n    app<\/span>:<\/span> nginx<\/span>\r\nspec<\/span>:<\/span>\r\n  replicas<\/span>:<\/span> 2<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> nginx<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      name<\/span>:<\/span> nginx<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> nginx<\/span>\r\n    spec<\/span>:<\/span>\r\n      containers<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> nginx<\/span>\r\n          image<\/span>:<\/span> nginx:1.7.9<\/span>\r\n          ports<\/span>:<\/span>\r\n            -<\/span> containerPort<\/span>:<\/span> 80<\/span>\r\n<\/code><\/pre>\n
                    \u4f7f\u7528 kubectl apply \u547d\u4ee4\u90e8\u7f72 Deployment\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl apply -f nginx-deployment.yml \r\ndeployment.apps\/nginx-deployment created\r\n\r\n[homulilly@kubemaster ~]$ kubectl get deployment -o wide\r\nNAME                DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-deployment    2         2         2            2           39s       nginx        nginx:1.7.9       app=nginx\r\n\r\n[homulilly@kubemaster ~]$ kubectl get rs -o wide\r\nNAME                           DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-deployment-5ff86cd6fb    2         2         2         2m        nginx        nginx:1.7.9       app=nginx,pod-template-hash=1994278296\r\n\r\n[homulilly@kubemaster ~]$ kubectl get pod -o wide\r\nNAME                                 READY     STATUS    RESTARTS   AGE       IP           NODE\r\nnginx-deployment-5ff86cd6fb-fb8fr    1\/1       Running   0          2m        10.44.0.9    kubeworker\r\nnginx-deployment-5ff86cd6fb-l6shs    1\/1       Running   0          2m        10.44.0.11   kubeworker\r\n<\/code><\/pre>\n
                    \u5c06NGINX\u7248\u672c\u4ece1.7.9\u66f4\u65b0\u81f31.9.1\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl set image deployment\/nginx-deployment nginx=nginx:1.9.1\r\ndeployment.extensions\/nginx-deployment image updated\r\n\r\n[homulilly@kubemaster ~]$ kubectl get rs -o wide\r\nNAME                           DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-deployment-5ff86cd6fb    0         0         0         1h        nginx        nginx:1.7.9       app=nginx,pod-template-hash=1994278296\r\nnginx-deployment-6947d8b574    2         2         2         26s       nginx        nginx:1.9.1       app=nginx,pod-template-hash=2503846130\r\n<\/code><\/pre>\n
                    \u6ca1\u6709Pod\u6765\u7ba1\u7406\u5305\u542bNGINX1.7.9\u7684\u5bb9\u5668\u7684ReplicaSet\u3002
                    \n\u5305\u542bNGINX1.9.1\u7684\u5bb9\u5668\u7684Pod\u88ab\u7ba1\u7406\u7684ReplicaSet\u4e2d\u6709\u4e24\u4e2a\u526f\u672c\u6b63\u5728\u8fd0\u884c\u3002<\/p>\n
                    \u5c06NGINX\u7684\u7248\u672c\u4ece1.9.1\u964d\u7ea7\u52301.7.9\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl edit deployment\/nginx-deployment\r\ndeployment.extensions\/nginx-deployment edited\r\n<\/code><\/pre>\n
                    \u53ef\u4ee5\u7528vi\u7f16\u8f91\u5668\u7f16\u8f91\u5143\u6570\u636e\u3002\u5df2\u66f4\u6539NGINX\u7248\u672c\u4fe1\u606f\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl get rs -o wide\r\nNAME                           DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-deployment-5ff86cd6fb    2         2         1         1h        nginx        nginx:1.7.9       app=nginx,pod-template-hash=1994278296\r\nnginx-deployment-6947d8b574    1         1         1         5m        nginx        nginx:1.9.1       app=nginx,pod-template-hash=2503846130\r\n\r\n[homulilly@kubemaster ~]$ kubectl get rs -o wide\r\nNAME                           DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-deployment-5ff86cd6fb    2         2         2         1h        nginx        nginx:1.7.9       app=nginx,pod-template-hash=1994278296\r\nnginx-deployment-6947d8b574    0         0         0         5m        nginx        nginx:1.9.1       app=nginx,pod-template-hash=2503846130\r\n<\/code><\/pre>\n
                    \u6211\u5df2\u786e\u8ba4NGINX\u7684\u7248\u672c\u5df2\u9010\u6e10\u5207\u6362\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u56de\u6eda\u6765\u5c06NGINX\u7684\u7248\u672c\u6062\u590d\u4e3a1.9.1\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl rollout undo deployment nginx-deployment\r\ndeployment.extensions\/nginx-deployment\r\n\r\n[homulilly@kubemaster ~]$ kubectl get rs -o wide\r\nNAME                           DESIRED   CURRENT   READY     AGE       CONTAINERS   IMAGES            SELECTOR\r\nnginx-deployment-5ff86cd6fb    0         0         0         5h        nginx        nginx:1.7.9       app=nginx,pod-template-hash=1994278296\r\nnginx-deployment-6947d8b574    2         2         2         3h        nginx        nginx:1.9.1       app=nginx,pod-template-hash=2503846130\r\n<\/code><\/pre>\n
                    \u670d\u52a1\u8d44\u6e90<\/h2>\n
                    \u670d\u52a1\u8d44\u6e90\u7528\u4e8e\u5c06\u5bb9\u5668\u8fde\u63a5\u5230\u5916\u90e8\u7f51\u7edc\u4ee5\u53ca\u7528\u4e8e\u53d1\u73b0\u4e0e\u6807\u7b7e\u5339\u914d\u7684\u5bb9\u5668\u3002\u9664\u4e86\u7528\u4e8e\u6267\u884cL4\u8d1f\u8f7d\u5747\u8861\u7684\u670d\u52a1\u8d44\u6e90\u5916\uff0c\u8fd8\u6709\u7528\u4e8e\u6267\u884cL7\u8d1f\u8f7d\u5747\u8861\u7684\u5165\u53e3\u8d44\u6e90\u3002<\/p>\n
                    \u5c06NGINX\u5bb9\u5668\u8fde\u63a5\u5230\u5916\u90e8\u7f51\u7edc\u3002\u6211\u5df2\u7ecf\u521b\u5efa\u4e86\u4ee5\u4e0b\u7684YAML\u6587\u4ef6\u3002\u6211\u5df2\u7ecf\u6307\u5b9a\u4e86\u7c7b\u578b\u4e3aNodePort\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f3c\u4e4e\u662f\u5728\u8282\u70b9\uff08kubeworker\uff09\u7684\u56fa\u5b9a\u7aef\u53e3\u4e0a\u5c06\u5bb9\u5668\u516c\u5f00\u5230\u5916\u90e8\u3002\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u7c7b\u578b\uff0c\u5982\u4f7f\u7528\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u3002<\/p>\n
                    [<\/span>homulilly@kubemaster ~<\/span>]<\/span>$ cat nginx-service.yml<\/span> \r\n---<\/span>\r\napiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> Service<\/span>\r\nmetadata<\/span>:<\/span> \r\n  name<\/span>:<\/span> nginx-nodeport<\/span>\r\nspec<\/span>:<\/span>\r\n  type<\/span>:<\/span> NodePort<\/span>\r\n  ports<\/span>:<\/span>\r\n    -<\/span> port<\/span>:<\/span> 80<\/span>\r\n  selector<\/span>:<\/span>\r\n    app<\/span>:<\/span> nginx<\/span>\r\n<\/code><\/pre>\n
                    \u4f7f\u7528kubectl apply\u547d\u4ee4\u90e8\u7f72Service\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl apply -f nginx-service.yml \r\nservice\/nginx-nodeport created\r\n\r\n[homulilly@kubemaster ~]$ kubectl get svc -o wide\r\nNAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE       SELECTOR\r\nkubernetes       ClusterIP   10.96.0.1       <none>        443\/TCP        23d       <none>\r\nnginx-nodeport   NodePort    10.96.197.250   <none>        80:30773\/TCP   22h       app=nginx\r\n<\/code><\/pre>\n
                    \u770b\u8d77\u6765\uff0cNGINX\u5bb9\u5668\u768480\u53f7\u7aef\u53e3\u4e0ekubeworker\u768430773\u53f7\u7aef\u53e3\u7ed1\u5b9a\u5728\u4e00\u8d77\u3002\u56e0\u6b64\uff0c\u5728\u8fd0\u884ckubeworker\u7684\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u6211\u4eec\u5411Firewalld\u6dfb\u52a0\u4e86kubeworker:30773\u7684\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\uff0c\u8fd9\u6837\u5728\u6d4f\u89c8\u5668\u4e2d\u5c31\u53ef\u4ee5\u8bbf\u95eeNGINX\u5bb9\u5668\u4e86\u3002<\/p>\n
                    [homulilly@kubemaster ~]$ kubectl describe service nginx\r\nName:                     nginx-nodeport\r\nNamespace:                default\r\nLabels:                   <none>\r\nAnnotations:              kubectl.kubernetes.io\/last-applied-configuration={\"apiVersion\":\"v1\",\"kind\":\"Service\",\"metadata\":{\"annotations\":{},\"name\":\"nginx-nodeport\",\"namespace\":\"default\"},\"spec\":{\"ports\":[{\"port\":80}],\"selector...\r\nSelector:                 app=nginx\r\nType:                     NodePort\r\nIP:                       10.96.197.250\r\nPort:                     <unset>  80\/TCP\r\nTargetPort:               80\/TCP\r\nNodePort:                 <unset>  30773\/TCP\r\nEndpoints:                10.44.0.3:80,10.44.0.4:80\r\nSession Affinity:         None\r\nExternal Traffic Policy:  Cluster\r\nEvents:                   <none>\r\n<\/code><\/pre>\n
                    \u5728nginx-nodeport\u7684Endpoints\u4e2d\uff0c\u6ce8\u518c\u4e86\u4e24\u4e2a\u526f\u672c\u7684IP\u5730\u5740\u3002<\/p>\n
                    \u603b\u7ed3<\/h2>\n
                    \u5982\u679c\u6211\u4eec\u521b\u5efa\u4e86\u5305\u542b\u90e8\u7f72\u670d\u52a1\u7684Docker\u955c\u50cf\uff0c\u90a3\u4e48\u53ea\u9700\u8981\u542f\u52a8\u5bb9\u5668\u5e76\u5c06\u5176\u516c\u5f00\u5230\u5916\u90e8\u5373\u53ef\u3002\u53ea\u9700\u8981\u521b\u5efa\u7528\u4e8e\u90e8\u7f72\u548c\u670d\u52a1\u7684YAML\u6587\u4ef6\u6765\u8fdb\u884c\u516c\u5f00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                    \u4e0d\u4e45\u524d\uff0c\u6211\u4f7f\u7528Kubernetes\u90e8\u7f72\u4e86\u4e00\u4e2a\u7279\u5b9a\u7684\u670d\u52a1\u3002 Kubernetes\u5177\u6709\u5f88\u591a\u529f\u80fd\uff0c\u867d\u7136\u6211\u53ea\u5c1d\u8bd5\u4e86\u5176\u4e2d […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33110","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nKubernetes \u662f\u4ec0\u4e48 - 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\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u662f\u4ec0\u4e48\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kubernetes \u662f\u4ec0\u4e48\" \/>\n<meta property=\"og:description\" content=\"\u4e0d\u4e45\u524d\uff0c\u6211\u4f7f\u7528Kubernetes\u90e8\u7f72\u4e86\u4e00\u4e2a\u7279\u5b9a\u7684\u670d\u52a1\u3002 Kubernetes\u5177\u6709\u5f88\u591a\u529f\u80fd\uff0c\u867d\u7136\u6211\u53ea\u5c1d\u8bd5\u4e86\u5176\u4e2d […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u662f\u4ec0\u4e48\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-26T04:00:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T02:41:29+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/\",\"name\":\"Kubernetes \u662f\u4ec0\u4e48 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2024-01-26T04:00:49+00:00\",\"dateModified\":\"2024-04-30T02:41:29+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kubernetes \u662f\u4ec0\u4e48\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\",\"name\":\"\u6e05, \u626c\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g\",\"caption\":\"\u6e05, \u626c\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyang\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Kubernetes \u662f\u4ec0\u4e48 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u662f\u4ec0\u4e48\/","og_locale":"zh_CN","og_type":"article","og_title":"Kubernetes \u662f\u4ec0\u4e48","og_description":"\u4e0d\u4e45\u524d\uff0c\u6211\u4f7f\u7528Kubernetes\u90e8\u7f72\u4e86\u4e00\u4e2a\u7279\u5b9a\u7684\u670d\u52a1\u3002 Kubernetes\u5177\u6709\u5f88\u591a\u529f\u80fd\uff0c\u867d\u7136\u6211\u53ea\u5c1d\u8bd5\u4e86\u5176\u4e2d […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u662f\u4ec0\u4e48\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-01-26T04:00:49+00:00","article_modified_time":"2024-04-30T02:41:29+00:00","author":"\u6e05, \u626c","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6e05, \u626c","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"5 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/","name":"Kubernetes \u662f\u4ec0\u4e48 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2024-01-26T04:00:49+00:00","dateModified":"2024-04-30T02:41:29+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Kubernetes \u662f\u4ec0\u4e48"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461","name":"\u6e05, \u626c","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g","caption":"\u6e05, \u626c"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyang\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e6%98%af%e4%bb%80%e4%b9%88\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/33110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=33110"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/33110\/revisions"}],"predecessor-version":[{"id":91419,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/33110\/revisions\/91419"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=33110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=33110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=33110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}