kubernetes1.8.4 安装指南 -- 8. 安装Kube DNS

来源：互联网发布：域名在哪里注册好编辑：程序博客网时间：2024/05/14 14:18
在master节点的/etc/kubernetes/addons/下面建立文件kube-dns.yml
apiVersion: v1kind: ServiceAccountmetadata:  name: kube-dns  labels:    k8s-app: kube-dns    kubernetes.io/cluster-service: "true"    addonmanager.kubernetes.io/mode: Reconcile  namespace: kube-system---apiVersion: v1kind: Servicemetadata:  name: kube-dns  namespace: kube-system  labels:    k8s-app: kube-dns    kubernetes.io/cluster-service: "true"    addonmanager.kubernetes.io/mode: Reconcilespec:  selector:    k8s-app: kube-dns  clusterIP: 10.96.0.10  ports:  - name: dns    port: 53    protocol: UDP  - name: dns-tcp    port: 53    protocol: TCP---apiVersion: extensions/v1beta1kind: Deploymentmetadata:  name: kube-dns  namespace: kube-system  labels:    k8s-app: kube-dns    kubernetes.io/cluster-service: "true"    addonmanager.kubernetes.io/mode: Reconcilespec:  strategy:    rollingUpdate:      maxSurge: 10%      maxUnavailable: 0  selector:    matchLabels:      k8s-app: kube-dns  template:    metadata:      labels:        k8s-app: kube-dns      annotations:        scheduler.alpha.kubernetes.io/critical-pod: ''    spec:      dnsPolicy: Default      serviceAccountName: kube-dns      tolerations:      - key: "CriticalAddonsOnly"        operator: "Exists"      - key: node-role.kubernetes.io/master        effect: NoSchedule      volumes:      - name: kube-dns-config        configMap:          name: kube-dns          optional: true      containers:      - name: kubedns        image: registry.cn-hangzhou.aliyuncs.com/google_containers/k8s-dns-kube-dns-amd64:1.14.7        resources:          limits:            memory: 170Mi          requests:            cpu: 100m            memory: 70Mi        livenessProbe:          httpGet:            path: /healthcheck/kubedns            port: 10054            scheme: HTTP          initialDelaySeconds: 60          timeoutSeconds: 5          successThreshold: 1          failureThreshold: 5        readinessProbe:          httpGet:            path: /readiness            port: 8081            scheme: HTTP          initialDelaySeconds: 3          timeoutSeconds: 5        args:        - "--domain=cluster.local"        - --dns-port=10053        - --v=2        env:        - name: PROMETHEUS_PORT          value: "10055"        ports:        - containerPort: 10053          name: dns-local          protocol: UDP        - containerPort: 10053          name: dns-tcp-local          protocol: TCP        - containerPort: 10055          name: metrics          protocol: TCP        volumeMounts:        - name: kube-dns-config          mountPath: /kube-dns-config      - name: dnsmasq        image: registry.cn-hangzhou.aliyuncs.com/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.7        livenessProbe:          httpGet:            path: /healthcheck/dnsmasq            port: 10054            scheme: HTTP          initialDelaySeconds: 60          timeoutSeconds: 5          successThreshold: 1          failureThreshold: 5        args:        - "-v=2"        - "-logtostderr"        - "-configDir=/etc/k8s/dns/dnsmasq-nanny"        - "-restartDnsmasq=true"        - "--"        - "-k"        - "--cache-size=1000"        - "--log-facility=-"        - "--server=/cluster.local/127.0.0.1#10053"        - "--server=/in-addr.arpa/127.0.0.1#10053"        - "--server=/ip6.arpa/127.0.0.1#10053"        ports:        - containerPort: 53          name: dns          protocol: UDP        - containerPort: 53          name: dns-tcp          protocol: TCP        resources:          requests:            cpu: 150m            memory: 20Mi        volumeMounts:        - name: kube-dns-config          mountPath: /etc/k8s/dns/dnsmasq-nanny      - name: sidecar        image: registry.cn-hangzhou.aliyuncs.com/google_containers/k8s-dns-sidecar-amd64:1.14.7        livenessProbe:          httpGet:            path: /metrics            port: 10054            scheme: HTTP          initialDelaySeconds: 60          timeoutSeconds: 5          successThreshold: 1          failureThreshold: 5        args:        - "--v=2"        - "--logtostderr"        - "--probe=kubedns,127.0.0.1:10053,kubernetes.default.svc.cluster.local,5,A"        - "--probe=dnsmasq,127.0.0.1:53,kubernetes.default.svc.cluster.local,5,A"        ports:        - containerPort: 10054          name: metrics          protocol: TCP        resources:          requests:            memory: 20Mi            cpu: 10m
kubectl apply -f kube-dns.yml
kubectl -n kube-system get po -l k8s-app=kube-dns
阅读全文
0 0