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behrooz
288
vcluster-0.21.1/templates/coredns-configmap.yaml
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288
vcluster-0.21.1/templates/coredns-configmap.yaml
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{{- if and .Values.controlPlane.coredns.enabled (not .Values.experimental.isolatedControlPlane.headless) }}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: vc-coredns-{{ .Release.Name }}
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namespace: {{ .Release.Namespace }}
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{{- if .Values.controlPlane.advanced.globalMetadata.annotations }}
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annotations:
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{{ toYaml .Values.controlPlane.advanced.globalMetadata.annotations | indent 4 }}
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{{- end }}
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data:
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{{- if .Values.controlPlane.coredns.overwriteManifests }}
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coredns.yaml: |-
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{{ .Values.controlPlane.coredns.overwriteManifests | indent 4 }}
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{{- else if .Values.controlPlane.coredns.embedded }}
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{{ include "vcluster.corefile" . | indent 2 }}
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coredns.yaml: |-
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: coredns
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namespace: kube-system
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data:
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NodeHosts: ""
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: kube-dns
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namespace: kube-system
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annotations:
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prometheus.io/port: "9153"
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prometheus.io/scrape: "true"
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{{- if .Values.controlPlane.coredns.service.annotations }}
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{{ toYaml .Values.controlPlane.coredns.service.annotations | indent 8 }}
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{{- end }}
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labels:
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k8s-app: kube-dns
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kubernetes.io/cluster-service: "true"
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kubernetes.io/name: "CoreDNS"
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{{- if .Values.controlPlane.coredns.service.labels }}
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{{ toYaml .Values.controlPlane.coredns.service.labels | indent 8 }}
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{{- end }}
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spec:
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{{ toYaml .Values.controlPlane.coredns.service.spec | indent 6 }}
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{{- if not .Values.controlPlane.coredns.service.spec.ports }}
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ports:
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- name: dns
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port: 53
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targetPort: 1053
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protocol: UDP
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- name: dns-tcp
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port: 53
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targetPort: 1053
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protocol: TCP
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- name: metrics
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port: 9153
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protocol: TCP
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{{- end }}
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{{- else }}
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coredns.yaml: |-
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: coredns
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namespace: kube-system
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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labels:
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kubernetes.io/bootstrapping: rbac-defaults
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name: system:coredns
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rules:
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- apiGroups:
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- ""
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resources:
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- endpoints
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- services
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- pods
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- namespaces
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verbs:
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- list
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- watch
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- apiGroups:
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- discovery.k8s.io
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resources:
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- endpointslices
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verbs:
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- list
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- watch
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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annotations:
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rbac.authorization.kubernetes.io/autoupdate: "true"
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labels:
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kubernetes.io/bootstrapping: rbac-defaults
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name: system:coredns
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: system:coredns
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subjects:
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- kind: ServiceAccount
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name: coredns
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namespace: kube-system
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: coredns
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namespace: kube-system
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data:
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{{ include "vcluster.corefile" . | indent 6 }}
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NodeHosts: ""
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: coredns
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namespace: kube-system
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{{- if .Values.controlPlane.coredns.deployment.annotations }}
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annotations:
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{{ toYaml .Values.controlPlane.coredns.deployment.annotations | indent 8 }}
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{{- end }}
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labels:
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k8s-app: kube-dns
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kubernetes.io/name: "CoreDNS"
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{{- if .Values.controlPlane.coredns.deployment.labels }}
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{{ toYaml .Values.controlPlane.coredns.deployment.labels | indent 8 }}
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{{- end }}
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spec:
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replicas: {{ .Values.controlPlane.coredns.deployment.replicas }}
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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selector:
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matchLabels:
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k8s-app: kube-dns
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template:
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metadata:
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{{- if .Values.controlPlane.coredns.deployment.pods.annotations }}
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annotations:
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{{ toYaml .Values.controlPlane.coredns.deployment.pods.annotations | indent 12 }}
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{{- end }}
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labels:
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k8s-app: kube-dns
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{{- if .Values.controlPlane.coredns.deployment.pods.labels }}
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{{ toYaml .Values.controlPlane.coredns.deployment.pods.labels | indent 12 }}
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{{- end }}
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spec:
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priorityClassName: {{ .Values.controlPlane.coredns.priorityClassName | quote }}
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serviceAccountName: coredns
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nodeSelector:
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kubernetes.io/os: linux
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{{- if .Values.controlPlane.coredns.deployment.nodeSelector }}
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{{ toYaml .Values.controlPlane.coredns.deployment.nodeSelector | indent 12 }}
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{{- end }}
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{{- if .Values.controlPlane.coredns.deployment.affinity }}
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affinity:
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{{ toYaml .Values.controlPlane.coredns.deployment.affinity | indent 12 }}
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{{- end }}
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{{- if .Values.controlPlane.coredns.deployment.tolerations }}
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tolerations:
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{{ toYaml .Values.controlPlane.coredns.deployment.tolerations | indent 12 }}
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{{- end }}
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{{- if .Values.controlPlane.coredns.deployment.topologySpreadConstraints }}
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topologySpreadConstraints:
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{{ toYaml .Values.controlPlane.coredns.deployment.topologySpreadConstraints | indent 12 }}
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{{- end }}
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{{- if .Values.policies.podSecurityStandard }}
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securityContext:
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seccompProfile:
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type: RuntimeDefault
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{{- end }}
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containers:
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- name: coredns
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{{- if .Values.controlPlane.coredns.deployment.image }}
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{{- if .Values.controlPlane.advanced.defaultImageRegistry }}
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image: {{ .Values.controlPlane.advanced.defaultImageRegistry }}/{{ .Values.controlPlane.coredns.deployment.image }}
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{{- else }}
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image: {{ .Values.controlPlane.coredns.deployment.image }}
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{{- end }}
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{{- else }}
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image: {{`{{.IMAGE}}`}}
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{{- end }}
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imagePullPolicy: IfNotPresent
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{{- if .Values.controlPlane.coredns.deployment.resources }}
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resources:
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{{ toYaml .Values.controlPlane.coredns.deployment.resources | indent 16 }}
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{{- end }}
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args: [ "-conf", "/etc/coredns/Corefile" ]
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volumeMounts:
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- name: config-volume
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mountPath: /etc/coredns
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readOnly: true
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- name: custom-config-volume
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mountPath: /etc/coredns/custom
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readOnly: true
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securityContext:
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runAsNonRoot: true
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runAsUser: {{`{{.RUN_AS_USER}}`}}
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runAsGroup: {{`{{.RUN_AS_GROUP}}`}}
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allowPrivilegeEscalation: false
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capabilities:
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add:
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- NET_BIND_SERVICE
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drop:
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- ALL
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readOnlyRootFilesystem: true
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livenessProbe:
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httpGet:
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path: /health
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port: 8080
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scheme: HTTP
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initialDelaySeconds: 60
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periodSeconds: 10
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timeoutSeconds: 1
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successThreshold: 1
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failureThreshold: 3
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readinessProbe:
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httpGet:
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path: /ready
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port: 8181
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scheme: HTTP
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initialDelaySeconds: 0
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periodSeconds: 2
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timeoutSeconds: 1
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successThreshold: 1
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failureThreshold: 3
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dnsPolicy: Default
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volumes:
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- name: config-volume
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configMap:
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name: coredns
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items:
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- key: Corefile
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path: Corefile
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- key: NodeHosts
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path: NodeHosts
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- name: custom-config-volume
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configMap:
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name: coredns-custom
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optional: true
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: kube-dns
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namespace: kube-system
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annotations:
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prometheus.io/port: "9153"
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prometheus.io/scrape: "true"
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{{- if .Values.controlPlane.coredns.service.annotations }}
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{{ toYaml .Values.controlPlane.coredns.service.annotations | indent 8 }}
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{{- end }}
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labels:
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k8s-app: kube-dns
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kubernetes.io/cluster-service: "true"
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kubernetes.io/name: "CoreDNS"
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{{- if .Values.controlPlane.coredns.service.labels }}
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{{ toYaml .Values.controlPlane.coredns.service.labels | indent 8 }}
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{{- end }}
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spec:
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{{ toYaml .Values.controlPlane.coredns.service.spec | indent 6 }}
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{{- if not .Values.controlPlane.coredns.service.spec.selector }}
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selector:
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k8s-app: kube-dns
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{{- end }}
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{{- if not .Values.controlPlane.coredns.service.spec.ports }}
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ports:
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- name: dns
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port: 53
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targetPort: 1053
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protocol: UDP
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- name: dns-tcp
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port: 53
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targetPort: 1053
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protocol: TCP
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- name: metrics
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port: 9153
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protocol: TCP
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{{- end }}
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{{- end }}
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{{- end }}
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