Shulou(Shulou.com)06/02 Report--

Coredns image version: v1.6.6

The following is the YAML file required for deployment, with the main modification location: clusterIP in Service

Source of YAML file:

Https://github.com/coredns/deployment/tree/master/kubernetes

Modified by coredns.yaml.sed.

ApiVersion: v1kind: ServiceAccountmetadata: name: coredns namespace: kube-system---apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRolemetadata: labels: kubernetes.io/bootstrapping: rbac-defaults name: system:corednsrules:- apiGroups:-"" resources:-endpoints-services-pods-namespaces verbs:-list-watch- apiGroups:-"" resources:-nodes verbs:-get---apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: Annotations: rbac.authorization.kubernetes.io/autoupdate: "true" labels: kubernetes.io/bootstrapping: rbac-defaults name: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: system:corednssubjects:- kind: ServiceAccount name: coredns namespace: kube-system---apiVersion: v1kind: ConfigMapmetadata: name: coredns namespace: kube-systemdata: Corefile:.: 53 {errors health {lameduck 5s} Ready kubernetes cluster.local in-addr.arpa ip6.arpa {fallthrough in-addr.arpa ip6.arpa} prometheus: 9153 forward. / etc/resolv.conf cache 30 loop reload loadbalance}-apiVersion: apps/v1kind: Deploymentmetadata: name: coredns namespace: kube-system labels: k8s-app: kube-dns kubernetes.io/name: "CoreDNS" spec: # replicas: not specified here: # 1. Default is 1. # 2. Will be tuned in real time if DNS horizontal auto-scaling is turned on. Strategy: type: RollingUpdate rollingUpdate: maxUnavailable: 1 selector: matchLabels: k8s-app: kube-dns template: metadata: labels: k8s-app: kube-dns spec: priorityClassName: system-cluster-critical serviceAccountName: coredns tolerations:-key: "CriticalAddonsOnly" operator: "Exists" nodeSelector: beta.kubernetes.io/os: linux affinity: PodAntiAffinity: requiredDuringSchedulingIgnoredDuringExecution:-labelSelector: matchExpressions:-key: k8s-app operator: In values: ["kube-dns"] topologyKey: kubernetes.io/hostname containers:-name: coredns image: coredns/coredns:1.6.6 imagePullPolicy: IfNotPresent resources: Limits: memory: 170Mi requests: cpu: 100m memory: 70Mi args: ["- conf" "/ etc/coredns/Corefile"] volumeMounts:-name: config-volume mountPath: / etc/coredns readOnly: true ports:-containerPort: 53 name: dns protocol: UDP-containerPort: 53 name: dns-tcp protocol: TCP-containerPort: 9153 name: metrics protocol: TCP SecurityContext: allowPrivilegeEscalation: false capabilities: add:-NET_BIND_SERVICE drop:-all readOnlyRootFilesystem: true livenessProbe: httpGet: path: / health port: 8080 scheme: HTTP initialDelaySeconds: 60 timeoutSeconds: 5 successThreshold: 1 FailureThreshold: 5 readinessProbe: httpGet: path: / ready port: 8181 scheme: HTTP dnsPolicy: Default volumes:-name: config-volume configMap: name: coredns items:-key: Corefile path: Corefile---apiVersion: v1kind: Servicemetadata: name: kube-dns Namespace: kube-system annotations: prometheus.io/port: "9153" prometheus.io/scrape: "true" labels: k8s-app: kube-dns kubernetes.io/cluster-service: "true" kubernetes.io/name: "CoreDNS" spec: selector: k8s-app: kube-dns clusterIP: 10.110.0.2 ports:-name: dns port: 53 protocol: UDP-name: dns-tcp port: 53 protocol: TCP-name: metrics port: 9153 protocol: TCP

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.