{"id":1423,"date":"2022-04-11T11:01:02","date_gmt":"2022-04-11T03:01:02","guid":{"rendered":"https:\/\/www.buyao007.icu\/?p=1423"},"modified":"2022-04-25T15:48:50","modified_gmt":"2022-04-25T07:48:50","slug":"9-k8s%e5%b8%b8%e7%94%a8%e8%b5%84%e6%ba%90%e8%a1%a5%e5%85%85%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/www.buyao007.icu\/?p=1423","title":{"rendered":"9.k8s\u5e38\u7528\u8d44\u6e90\u8865\u5145\u5185\u5bb9"},"content":{"rendered":"\n

\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6\u7fa4\u67b6\u6784\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\uff0c\u66fe\u8d1f\u8d23\u56fd\u5185\u67d0\u5927\u578b\u535a\u5ba2\u7f51\u7ad9\u8fd0\u7ef4\u5de5\u4f5c\u3002<\/p>\n\n\n\n

1.\u4e3aNode\u8282\u70b9\u589e\u52a0\u6c61\u70b9<\/h2>\n\n\n\n

1.\u6c61\u70b9\u7684\u7c7b\u578b<\/em><\/strong><\/p>\n\n\n\n

NoExecute\n   \u4e0d\u518d\u63a5\u53d7\u65b0\u7684Pod\u8c03\u5ea6\uff0c\u5e76\u4e14\u8fd8\u4f1a\u9a71\u8d76\u5df2\u7ecf\u8c03\u5ea6\u5230\u5f53\u524d\u8282\u70b9\u7684Pod\u3002\nNoSchedule\n   \u4e0d\u518d\u63a5\u53d7\u65b0\u7684Pod\u8c03\u5ea6\uff0c\u4f46\u4e5f\u4e0d\u4f1a\u9a71\u8d76\u5df2\u7ecf\u8c03\u5ea6\u5230\u5f53\u524dNode\u7684Pod\u3002\nPreferNoSchedule\n   \u8be5\u8282\u70b9\u53ef\u4ee5\u63a5\u6536\u8c03\u5ea6\uff0c\u4f46\u5c3d\u53ef\u80fd\u7684\u4f1a\u5c06Pod\u8c03\u5ea6\u5230\u5176\u5b83\u8282\u70b9\uff0c\u5982\u679c\u5176\u5b83\u8282\u70b9\u65e0\u6cd5\u88ab\u8c03\u5ea6\u540e\uff0c\u4f9d\u65e7\u4e5f\u53ef\u4ee5\u8c03\u5ea6\u5230\u5f53\u524d\u8282\u70b9\n<\/code><\/pre>\n\n\n\n
2.\u7ed9node\u6253\u6807\u7b7e\u548c\u5220\u9664\u6807\u7b7e<\/em><\/strong><\/p>\n\n\n\n
###\u6253\u6807\u7b7e\nkubectl label node k8s-master school= ###\u53ef\u4ee5\u4e0d\u7ed9\u6807\u7b7e\u8bbe\u5b9a\u503c\nkubectl label node k8s-node  class=sfy ###\u4e5f\u53ef\u4ee5\u8bbe\u5b9a\u503c\n###\u5220\u9664\u6807\u7b7e\nkubectl label node k8s-master school-\nkubectl label node k8s-node class-\n\u6e29\u99a8\u63d0\u793a:\n\u53ea\u8981\u5728KEY\u7684\u540d\u79f0\u540e\u9762\u52a0\u4e00\u4e2a\"-\"\u5c31\u53ef\u4ee5\u5220\u9664\u8be5\u6807\u7b7e\uff01\n<\/code><\/pre>\n\n\n\n
3.\u6dfb\u52a0\u6c61\u70b9\u548c\u5220\u9664\u6c61\u70b9<\/em><\/strong><\/p>\n\n\n\n
###\u6dfb\u52a0\u6c61\u70b9\n(1)\u5148\u5bf9\u8282\u70b9\u6253\u6807\u7b7e\nkubectl label node k8s-master school=\n(2)\u6dfb\u52a0\u6c61\u70b9\nkubectl taint node k8s-master school=NoSchedule\n(3)\u67e5\u770b\u6c61\u70b9\nkubectl describe node k8s-master | grep Taints\n###\u5220\u9664\u6c61\u70b9\n(1)\u5220\u9664\u6c61\u70b9\nkubectl taint node k8s-master school-\n(2)\u67e5\u770b\u6c61\u70b9\u662f\u5426\u88ab\u6210\u529f\u5220\u9664\nkubectl describe node k8s-master | grep Taints\n<\/code><\/pre>\n\n\n\n
2.\u4e3aPod\u8d44\u6e90\u6dfb\u52a0\u5bb9\u5fcd\u5ea6<\/h2>\n\n\n\n
###\u4e3anode\u6253\u6807\u7b7e\n[root@k8s-master ~]# kubectl label nodes k8s-master sfy=sfy\n###\u4e3anode\u6253\u4e0a\u6c61\u70b9\nkubectl taint node k8s-master sfy=sfy:NoSchedule\n### Pod\u914d\u7f6e\u5bb9\u5fcd\u5ea6\n[root@k8s-master ~]# cat k8s_deployment1.yaml \napiVersion: extensions\/v1beta1\nkind: Deployment\nmetadata:\n  name: nginx\nspec:\n  replicas: 3\n  template:\n    metadata:\n      labels:\n        app: nginx\n    spec:\n      tolerations: ###\u914d\u7f6e\u5bb9\u5fcd\u5ea6\n      - key: \"sfy\" ###\u952e\u540d\u4e3asfy\n        # operator: \"Exists\" \n        value: \"sfy\" ###\u952e\u503c\u4e3asfy\n        effect: \"NoExecute\" ###\u5bb9\u5fcd\u7684\u6c61\u70b9\u7c7b\u578b\n      containers:\n      - name: nginx\n        image: nginx:1.13\n        ports:\n        - containerPort: 80\n        resources:  ###\u8d44\u6e90\n          limits:   ###\u8d44\u6e90\u9650\u5236\n            cpu: 100m\n            memory: 10M\n          requests:   ###\u8d44\u6e90\u9700\u6c42\n            cpu: 100m\n            memory: 10M\nps:\u5f53node\u8282\u70b9\u6709\u591a\u4e2a\u6c61\u70b9\u7684\u65f6\u5019\uff0cpod\u5bb9\u5fcd\u7684\u5e94\u5f53\u628a\u6240\u6709\u6c61\u70b9\u90fd\u5199\u8fdbyanl\u6587\u4ef6\u91cc\uff0c\u5426\u5219\u4f9d\u7136\u65e0\u6cd5\u5728\u6c61\u70b9\u8282\u70b9\u521b\u5efapod\n\u4e5f\u53ef\u4ee5\u901a\u8fc7nodename\u548cnodeslector\u6765\u6307\u5b9apod\u521b\u5efa\u8282\u70b9\uff0c\u4f46\u662f\u5982\u679c\u6253\u4e86\u6c61\u70b9\u4e5f\u5fc5\u987b\u5728yaml\u6587\u4ef6\u4e2d\u914d\u7f6e\u5bb9\u5fcd\u5ea6\n<\/code><\/pre>\n\n\n\n
3. Secret\u8d44\u6e90<\/h2>\n\n\n\n
1.Secret\u6982\u8ff0<\/em><\/strong><\/p>\n\n\n\n
\u4e0eConfigMap\u7c7b\u4f3c\uff0c\u533a\u522b\u5728\u4e8eSecret\u4e3b\u8981\u5b58\u50a8\u654f\u611f\u6570\u636e\uff0c\u6240\u6709\u7684\u6570\u636e\u8981\u7ecf\u8fc7base64\u7f16\u7801\u3002\u4f46\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u800c\u8a00\uff0c\u8fd9\u4f9d\u65e7\u662f\u660e\u6587\u6570\u636e\uff0c\u53ea\u4e0d\u8fc7\u60f3\u8981\u62ff\u5230\u660e\u6587\u6570\u636e\u9700\u8981\u53ea\u9700\u4f7f\u7528base64\u8fdb\u884c\u89e3\u7801\u5373\u53ef\u3002\n\u5982\u4e0b\uff0c\u57fa\u4e8ebase64\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\u53ea\u9700\u4e00\u884c\u547d\u4ee4\u5c31\u641e\u5b9a\u4e86\u3002\n        [root@k8s-master ~]#  echo -n \"sfy\" | base64\n        c2Z5\n        [root@k8s-master ~]#  echo -n \"c2Z5\" | base64 -d\n        sfy\n\u5e94\u7528\u573a\u666f:\n        \u591a\u7528\u4e8e\u5b58\u50a8\u51ed\u636e\u4fe1\u606f\u3002\n\"kubectl create secret\"\u652f\u6301\u5e38\u7528\u7684\u4e09\u79cd\u6570\u636e\u7c7b\u578b\u5982\u4e0b:(\u8f83ConfigMap\u652f\u6301\u7684\u7c7b\u578b\u8981\u591a\uff0c\u6211\u4eec\u53ef\u4ee5\u7406\u89e3ConfigMap\u652f\u6301\u7684\u53ea\u662f\u5b58\u50a8\u6587\u672c\u4fe1\u606f\uff0c\u5bf9\u4e8e\u5b58\u50a8\u4ed3\u5e93\u8ba4\u8bc1\u4fe1\u606f\uff0cTLS\u8bc1\u4e66\u7b49ConfigMap\u5747\u4e0d\u652f\u6301\uff0c\u6b64\u65f6\u6211\u4eec\u5e94\u8be5\u91c7\u7528Secret)\n        (1)docker-registry(kubernetes.io\/dockerconfigjson):\n            \u5b58\u50a8\u955c\u50cf\u4ed3\u5e93\u8ba4\u8bc1\u4fe1\u606f\u3002\n        (2)generic(Opaque):\n            \u5b58\u50a8\u5bc6\u7801\uff0c\u79d8\u94a5\u7b49\u3002\n        (3)tls(kubernetes.io\/tls):\n            \u5b58\u50a8TLS\u8bc1\u4e66\u3002\n\n    \u9664\u4e86\u4e0a\u9762\u63d0\u5230\u7684\u51e0\u79cd\u7c7b\u578b\uff0c\u8fd8\u6709\u5176\u5b83\u51e0\u79cd\u5185\u7f6e\u7684\u6570\u636e\u7c7b\u578b\u63a8\u8350\u9605\u8bfb:\n        https://kubernetes.io\/zh\/docs\/concepts\/configuration\/secret\/\n\n\u6e29\u99a8\u63d0\u793a:\u5bf9\u4e8e\"kubernetes.io\/service-account-token\"\u8fd9\u79cd\u7c7b\u578b\u662fkubernetes\u9884\u7559\u7684\n [root@k8s-master ~]# kubectl get secret\nNAME               TYPE                            DATA   AGE\ndefault-token-z2bqv  kubernetes.io\/service-account-token   3     20h\n<\/code><\/pre>\n\n\n\n
2.secret\u7b80\u5355\u5e94\u7528\u4f5c\u4e3a\u5bb9\u5668\u73af\u5883\u53d8\u91cf<\/em><\/strong><\/p>\n\n\n\n
\u5c06\u7528\u6237\u540d\u548c\u5bc6\u7801\u8fdb\u884cbase64\u7f16\u7801<\/p>\n\n\n\n
[root@k8s-master ~]# echo -n \"admin\" | base64\nYWRtaW4=\n[root@k8s-master ~]# echo -n \"sunfuyang\" | base64\nc3VuZnV5YW5n\n<\/code><\/pre>\n\n\n\n
\u521b\u5efa\"Secret\"\u8d44\u6e90<\/p>\n\n\n\n
[root@k8s-master ~]# cat secret-demo.yaml \napiVersion: v1\nkind: Secret\nmetadata:\n  name: db-user-pass\ntype: Opaque  # \u6b64\u5904\u6211\u4eec\u6307\u5b9aSecret\u8d44\u6e90\u7684\u7c7b\u578b\u4e3a\"Opaque\",\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u5bc6\u7801\uff0c\u5bc6\u94a5\u7b49.\ndata:\n  # \u5c06\u7f16\u7801\u540e\u7684\u503c\u653e\u5230Secret\u8d44\u6e90\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\n  username: YWRtaW4=\n  password: c3VuZnV5YW5n\n[root@k8s-master ~]# kubectl apply -f secret-demo.yaml\n<\/code><\/pre>\n\n\n\n
\u5c06Secret\u7684\u6570\u636e\u5b9a\u4e49\u4e3a\u5bb9\u5668\u7684\u73af\u5883\u53d8\u91cf<\/p>\n\n\n\n
##\u7b2c\u4e00\u79cd\u5199\u6cd5\n[root@k8s-master ~]# cat secret-pod-demo.yaml\napiVersion: v1\nkind: Pod\nmetadata:\n  name: db-secret-demo\nspec:\n  containers:\n    - name: demo\n      image: nginx:1.13\n      env:\n      - name: NAUS ###\u6307\u5b9a\u53d8\u91cf\u540d\u5b57\n        valueFrom: ###\u6307\u5b9a\u53d8\u91cf\u6765\u6e90\n          secretKeyRef: ###\u53d8\u91cf\u6765\u6e90\u4e3asecretkeyref\n            name: db-user-pass ###secret\u7684\u540d\u5b57\n            key: password ###secret\u4e2d\u7684\u952e\u540d\u79f0\n[root@k8s-master ~]# kubectl apply -f secret-pod-demo.yaml\n<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u7b2c\u4e8c\u79cd\u5199\u6cd5\u66f4\u7b80\u5355\n[root@k8s-master ~]# cat secret-pod-demo2.yaml \napiVersion: v1\nkind: Pod\nmetadata:\n  name: secret-test-pod\nspec:\n  containers:\n    - name: test-container\n      image: nginx:1.13\n      envFrom: ###\u53d8\u91cf\u6765\u6e90\n      - secretRef: ###\u6307\u5b9a\u53d8\u91cf\u6765\u6e90\u4e3asecret\n          name: db-user-pass ###\u6307\u5b9asecret\u7684\u540d\u5b57\n      env:\n      - name: USE\n        value: test\n<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
3.secret\u5b58\u50a8\u5bb9\u5668\u955c\u50cf\u4ed3\u5e93\u62c9\u53d6\u7684\u8d26\u53f7\u5bc6\u7801<\/em><\/strong><\/p>\n\n\n\n
\u521b\u5efasecret\u8d44\u6e90<\/p>\n\n\n\n
###\u57fa\u4e8e\u547d\u4ee4\u884c\u521b\u5efa\nkubectl create secret docker-registry harbor-secret --namespace=default  --docker-username=admin  --docker-password=a123456 --docker-server=blog.sfy.com\n###\u57fa\u4e8eyaml\u6587\u4ef6\u521b\u5efa\n\u5c06\u7528\u6237\u540d\u548c\u5bc6\u7801\u8fdb\u884cbase64\u7f16\u7801\n[root@k8s-master ~]# echo '{\"auths\":{\"hub.com\":{\"username\":\"20\",\"password\":\"Y2\"}}}'|base64\n[root@k8s-master ~]# cat harbor-secret.yaml \napiVersion: v1\ndata:\n  .dockerconfigjson: eyJhdXRocyI ###\u4e0a\u9762\u7f16\u7801\u7684\u5185\u5bb9\nkind: Secret\nmetadata:\n  name: harbor-secret\n  namespace: default\ntype: kubernetes.io\/dockerconfigjson\n<\/code><\/pre>\n\n\n\n
\u65b9\u6cd5\u4e00\u3001\u57fa\u4e8esa\u8d44\u6e90\u5f15\u7528\u955c\u50cf\u4ed3\u5e93\u7684secret<\/p>\n\n\n\n
###\u521b\u5efasa\u8d44\u6e90\u5f15\u7528secret\n[root@k8s-master ~]# cat k8s_sa_harbor.yaml\napiVersion: v1\nkind: ServiceAccount\nmetadata:\n  name: docker-image\n  namespace: default\nimagePullSecrets:\n- name: harbor-secret\n###\u521b\u5efapod\u8d44\u6e90\u5f15\u7528sa\u8d44\u6e90\n[root@k8s-master ~]# cat k8s_pod.yaml\niapiVersion: v1\nkind: Pod\nmetadata:\n  name: static-pod\nspec:\n  serviceAccount: docker-image\n  containers:\n  - name: nginx\n    image: 2195802440\/nginx:1.13\n    ports:\n    - containerPort: 80\n<\/code><\/pre>\n\n\n\n
\u65b9\u6cd5\u4e8c\u3001pod\u76f4\u63a5\u5f15\u7528\u955c\u50cf\u4ed3\u5e93\u7684secret<\/p>\n\n\n\n
[root@k8s-master ~]# cat k8s_pod.yaml\napiVersion: v1\nkind: Pod\nmetadata:\n  name: static-pod\nspec:\n  nodeName: 10.0.0.12\n  imagePullSecrets:  ###\u955c\u50cf\u4e0b\u8f7d\u7684secrets\u8d44\u6e90\n  - name: harbor-secret ###secret\u8d44\u6e90\u540d\u79f0\n  containers:\n  - name: nginx\n    image: 2195802440\/nginx:1.13\n    ports:\n    - containerPort: 80\n<\/code><\/pre>\n\n\n\n
4.\u5f53\u7136secret\u4e5f\u53ef\u4ee5\u5f53\u6210\u6587\u4ef6\u6302\u8f7d\u5230pod\u4e2d<\/em><\/strong><\/p>\n\n\n\n
apiVersion: v1\nkind: Pod\nmetadata:\n  name: mypod\nspec:\n  containers:\n  - name: mypod\n    image: redis\n    volumeMounts:\n    - name: foo\n      mountPath: \"\/etc\/foo\"\n  volumes:\n  - name: foo\n    secret:\n      secretName: mysecret\n      defaultMode: 0400\n   ####\u9ed8\u8ba4\u662f\u6302\u8f7d\u5230\/etc\/foo\/\u8def\u5f84\u4e0b\u7684\n      items: ###\u6307\u5b9a\u952e\n      - key: username ###\u6307\u5b9a\u952e\u540d\n        path: sfy ###\u6307\u5b9a\u8def\u5f84\uff0c\u5bb9\u5668\u4e2d\u7684\u8def\u5f84\u4e3a\u5373\/etc\/foo\/sfy\n<\/code><\/pre>\n\n\n\n
4.ConfigMap\u8d44\u6e90<\/h2>\n\n\n\n
1.ConfigMap\u6982\u8ff0<\/em><\/strong><\/p>\n\n\n\n
\u521b\u5efaConfigMap\u8d44\u6e90\u540e\uff0c\u6570\u636e\u5b9e\u9645\u4f1a\u5b58\u50a8\u5728Kubernetes\u96c6\u7fa4\u4e2d\u7684ETCD\u6570\u636e\u5e93\uff0c\u7136\u540e\u901a\u8fc7\u521b\u5efaPod\u65f6\u5f15\u5165\u8be5\u6570\u636e\u3002\n    \u5e94\u7528\u573a\u666f:\n        \u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u3002\n    ConfigMap\u652f\u6301\u4e24\u79cd\u6570\u636e\u7c7b\u578b:\n        (1)\u952e\u503c\u5bf9;\n        (2)\u591a\u884c\u6570\u636e;\n    Pod\u4f7f\u7528ConfigMap\u6570\u636e\u6709\u4e24\u79cd\u65b9\u5f0f:\n        (1)\u53d8\u91cf\u6ce8\u5165;\n        (2)\u6570\u636e\u5377\u6302\u8f7d;\n    \u63a8\u8350\u9605\u8bfb:\n        https://kubernetes.io\/zh\/docs\/concepts\/configuration\/configmap\/\n<\/code><\/pre>\n\n\n\n
2.\u521b\u5efaConfigMap\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n
apiVersion: v1\nkind: ConfigMap\nmetadata:\n  name: game-demo\ndata:\n  # \u7c7b\u5c5e\u6027\u952e\uff1b\u6bcf\u4e00\u4e2a\u952e\u90fd\u6620\u5c04\u5230\u4e00\u4e2a\u7b80\u5355\u7684\u503c\n  password: \"3\"\n  username: \"sfy\"\n  # \u7c7b\u6587\u4ef6\u952e\n  game-peizhiwenjian: |\n    enemy.types=aliens,monsters\n    player.maximum-lives=5    \n  user-peizhiwenjian2: |\n    color.good=purple\n    color.bad=yellow\n    allow.textmode=true    \n<\/code><\/pre>\n\n\n\n
3.\u521b\u5efapod\u5f15\u7528ConfigMap\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n
apiVersion: v1\nkind: Pod\nmetadata:\n  name: configmap-demo-pod\nspec:\n  containers:\n    - name: demo\n      image: alpine\n      command: [\"sleep\", \"3600\"]\n      env:\n        # \u5b9a\u4e49\u73af\u5883\u53d8\u91cf\n        - name: SFY # \u5b9a\u4e49\u53d8\u91cf\u540d\u79f0\n          valueFrom: ###\u53d8\u91cf\u503c\u6765\u6e90\n            configMapKeyRef: ###\u6307\u5b9a\u4e3aconfigmap\n              name: game-demo # ConfigMap\u7684\u540d\u5b57\n              key: password # \u9700\u8981\u53d6\u7684configmap\u7684\u952e\n      volumeMounts:  ###\u5c06\u4e0b\u9762\u7684volumes\u6302\u8f7d\u5230\u7684\u8def\u5f84\n      - name: config\n        mountPath: \"\/config\"\n        readOnly: true\n  volumes:\n    # \u4f60\u53ef\u4ee5\u5728 Pod \u7ea7\u522b\u8bbe\u7f6e\u5377\uff0c\u7136\u540e\u5c06\u5176\u6302\u8f7d\u5230 Pod \u5185\u7684\u5bb9\u5668\u4e2d\n    - name: config\n      configMap:\n        # \u63d0\u4f9b\u4f60\u60f3\u8981\u6302\u8f7d\u7684 ConfigMap \u7684\u540d\u5b57\n        name: game-demo\n        # \u6765\u81ea ConfigMap \u7684\u4e00\u7ec4\u952e\uff0c\u5c06\u88ab\u521b\u5efa\u4e3a\u6587\u4ef6\n        items:\n        - key: \"game.properties\"\n          path: \"game.properties\"\n        - key: \"user-interface.properties\"\n          path: \"user-interface.properties\"<\/code><\/pre>\n\n\n\n
5.k8s\u7684\u5916\u90e8\u7f51\u7edc\u6620\u5c04svc+endpoints<\/h2>\n\n\n\n
###\u521b\u5efaendpoints\u8d44\u6e90\r\n[root@k8s-master yingshe]# vi mysql_endpoint.yaml \r\niapiVersion: v1\r\nkind: Endpoints\r\nmetadata:\r\n  name: mysql\r\nsubsets:\r\n- addresses:\r\n  - ip: 10.0.0.12\r\n  ports:\r\n  - name: mysql\r\n    port: 3306\r\n    protocol: TCP\r\n###\u521b\u5efasvc\u8d44\u6e90\uff0csvc\u662f\u6839\u636e\u540d\u5b57\u7ed1\u5b9aendpoints\u7684\r\n[root@k8s-master yingshe]# vi mysql_svc_v2.yaml \r\niapiVersion: v1\r\nkind: Service\r\nmetadata:\r\n  name: mysql\r\nspec:\r\n  ports:\r\n  - name: mysql\r\n    port: 3306\r\n    protocol: TCP\r\n    targetPort: 3306  \r\n  type: ClusterIP\r<\/code><\/pre>\n\n\n\n
4.k8s-proxy\u7684lvs\u6a21\u5f0f<\/h2>\n\n\n\n
1.\u5982\u679c\u662fkubeadmin\u90e8\u7f72\u7684<\/em><\/strong><\/p>\n\n\n\n
###\u4fee\u6539configmaps\u53c2\u6570\r\n[root@k8s-master ~]# kubectl edit configmaps -n kube-system kube-proxy\r\nmode\u53c2\u6570\u4fee\u6539\u5982\u4e0b\u56fe\uff1a\r<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
###\u901a\u8fc7\u65e5\u5fd7\u53d1\u73b0\u4f7f\u7528\u7684\u4f9d\u7136\u662fiptables\u89c4\u5219<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
###\u5b89\u88c5ipvs\u670d\u52a1\u5e76\u52a0\u8f7d\u5185\u6838\u53c2\u6570\r\n[root@k8s-node01 ~]# yum install conntrack-tools -y\r\n[root@k8s-node01 ~]# yum install ipvsadm.x86_64 -y\r\n[root@k8s-master ~]# yum install conntrack-tools -y\r\n[root@k8s-master ~]# yum install ipvsadm.x86_64 -y\r\n[root@k8s-master ~]# modprobe ip_vs_sh\r\n[root@k8s-master ~]# modprobe ip_vs\r\n[root@k8s-master ~]# modprobe ip_vs_rr\r\n[root@k8s-master ~]# modprobe ip_vs_wrr\r\n[root@k8s-node01 ~]# modprobe ip_vs_sh\r\n[root@k8s-node01 ~]# modprobe ip_vs\r\n[root@k8s-node01 ~]# modprobe ip_vs_rr\r\n[root@k8s-node01 ~]# modprobe ip_vs_wrr\r\n###\u5220\u9664pod\r\n[root@k8s-master ~]# kubectl delete pod -n kube-system kube-proxy-555dv\r\n[root@k8s-master ~]# kubectl delete pod -n kube-system kube-proxy-ztsmv\r\n###\u67e5\u770b\u65b0pod\u65e5\u5fd7\r<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
2.\u5982\u679c\u662f\u4e8c\u8fdb\u5236\u90e8\u7f72\u6216\u8005yum\u90e8\u7f72\u7684<\/em><\/strong><\/p>\n\n\n\n
#\u4fee\u6539\u542f\u52a8\u53c2\u6570\u6dfb\u52a0--proxy-mode ipvs\r\nvim \/usr\/lib\/systemd\/system\/kube-proxy.service\r\n[Unit]\r\nDescription=Kubernetes Proxy\r\nAfter=network.target\r\n[Service]\r\nExecStart=\/usr\/bin\/kube-proxy \\\r\n   \u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\r\n  --proxy-mode ipvs \\\r\n  --logtostderr=false \\\r\n  --v=2\r\nRestart=on-failure\r\nLimitNOFILE=65536\r\n[Install]\r\nWantedBy=multi-user.target\r\nsystemctl daemon-reload \r\nsystemctl restart kube-proxy.service \r\nipvsadm -L -n\r<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6 […]<\/p>\n","protected":false},"author":1,"featured_media":246,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1423"}],"collection":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1423"}],"version-history":[{"count":6,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1423\/revisions"}],"predecessor-version":[{"id":1444,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1423\/revisions\/1444"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/media\/246"}],"wp:attachment":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}