91 lines
2.2 KiB
YAML
91 lines
2.2 KiB
YAML
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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labels:
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k8s-app: coredns
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kubernetes.io/name: "CoreDNS"
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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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spec:
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replicas: {{ .Values.replicaCount }}
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 0
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selector:
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matchLabels:
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k8s-app: coredns
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template:
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metadata:
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labels:
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k8s-app: coredns
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{{ include "labels.common" . | indent 8 }}
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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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spec:
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priorityClassName: system-cluster-critical
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serviceAccountName: coredns
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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containers:
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- name: coredns
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image: coredns/coredns:1.13.1
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imagePullPolicy: IfNotPresent
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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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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ports:
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- containerPort: 53
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name: dns
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protocol: UDP
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- containerPort: 53
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name: dns-tcp
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protocol: TCP
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- containerPort: 9153
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name: metrics
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protocol: TCP
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securityContext:
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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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timeoutSeconds: 5
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successThreshold: 1
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failureThreshold: 5
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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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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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