99 lines
3.0 KiB
YAML
99 lines
3.0 KiB
YAML
{{/*
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Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: coredns
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labels:
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{{ .Values.service.name }}: enabled
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kubernetes.io/name: "CoreDNS"
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spec:
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replicas: 2
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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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{{ .Values.service.name }}: enabled
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template:
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metadata:
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labels:
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{{ .Values.service.name }}: enabled
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annotations:
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configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
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spec:
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serviceAccountName: coredns
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tolerations:
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- key: "CriticalAddonsOnly"
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operator: "Exists"
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nodeSelector:
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{{ .Values.labels.coredns.node_selector_key }}: {{ .Values.labels.coredns.node_selector_value }}
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchExpressions:
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- key: {{ .Values.service.name }}
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operator: In
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values:
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- enabled
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topologyKey: kubernetes.io/hostname
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containers:
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- name: coredns
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image: {{ .Values.images.tags.coredns | quote }}
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imagePullPolicy: {{ .Values.images.pull_policy | quote }}
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{{ tuple . .Values.pod.resources.coredns | include "helm-toolkit.snippets.kubernetes_resources" | indent 8 }}
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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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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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readinessProbe:
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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: 2
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timeoutSeconds: 5
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successThreshold: 1
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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: 10
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timeoutSeconds: 5
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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: {{ .Values.service.name }}-etc
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items:
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- key: Corefile
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path: Corefile
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