-
Notifications
You must be signed in to change notification settings - Fork 60
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #170 from AkihiroSuda/coredns
Add CoreDNS
- Loading branch information
Showing
6 changed files
with
206 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| # from https://raw.githubusercontent.com/kelseyhightower/kubernetes-the-hard-way/1.15.3/deployments/coredns.yaml | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: coredns | ||
| namespace: kube-system | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRole | ||
| metadata: | ||
| labels: | ||
| kubernetes.io/bootstrapping: rbac-defaults | ||
| name: system:coredns | ||
| rules: | ||
| - apiGroups: | ||
| - "" | ||
| resources: | ||
| - endpoints | ||
| - services | ||
| - pods | ||
| - namespaces | ||
| verbs: | ||
| - list | ||
| - watch | ||
| - apiGroups: | ||
| - "" | ||
| resources: | ||
| - nodes | ||
| verbs: | ||
| - get | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRoleBinding | ||
| metadata: | ||
| annotations: | ||
| rbac.authorization.kubernetes.io/autoupdate: "true" | ||
| labels: | ||
| kubernetes.io/bootstrapping: rbac-defaults | ||
| name: system:coredns | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: ClusterRole | ||
| name: system:coredns | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: coredns | ||
| namespace: kube-system | ||
| --- | ||
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| name: coredns | ||
| namespace: kube-system | ||
| data: | ||
| Corefile: | | ||
| .:53 { | ||
| errors | ||
| health | ||
| ready | ||
| kubernetes cluster.local in-addr.arpa ip6.arpa { | ||
| pods insecure | ||
| fallthrough in-addr.arpa ip6.arpa | ||
| } | ||
| forward . /etc/resolv.conf | ||
| prometheus :9153 | ||
| cache 30 | ||
| loop | ||
| reload | ||
| loadbalance | ||
| } | ||
| --- | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: coredns | ||
| namespace: kube-system | ||
| labels: | ||
| k8s-app: kube-dns | ||
| kubernetes.io/name: "CoreDNS" | ||
| spec: | ||
| replicas: 2 | ||
| 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 | ||
| containers: | ||
| - name: coredns | ||
| image: coredns/coredns:1.6.9 | ||
| 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: v1 | ||
| kind: Service | ||
| metadata: | ||
| 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: 10.0.0.53 | ||
| ports: | ||
| - name: dns | ||
| port: 53 | ||
| protocol: UDP | ||
| - name: dns-tcp | ||
| port: 53 | ||
| protocol: TCP | ||
| - name: metrics | ||
| port: 9153 | ||
| protocol: TCP |