Kelsey Hightower
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# Copyright 2016 The Kubernetes Authors.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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# This file should be kept in sync with cluster/images/hyperkube/dns-rc.yaml
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# TODO - At some point, we need to rename all skydns-*.yaml.* files to kubedns-*.yaml.*
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# Warning: This is a file generated from the base underscore template file: skydns-rc.yaml.base
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apiVersion: v1
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kind: ReplicationController
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metadata:
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name: kube-dns-v18
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namespace: kube-system
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labels:
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k8s-app: kube-dns
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version: v18
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kubernetes.io/cluster-service: "true"
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spec:
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replicas: 2
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selector:
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k8s-app: kube-dns
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version: v18
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template:
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metadata:
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labels:
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k8s-app: kube-dns
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version: v18
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kubernetes.io/cluster-service: "true"
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spec:
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containers:
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- name: kubedns
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image: gcr.io/google_containers/kubedns-amd64:1.6
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resources:
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# TODO: Set memory limits when we've profiled the container for large
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# clusters, then set request = limit to keep this container in
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# guaranteed class. Currently, this container falls into the
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# "burstable" category so the kubelet doesn't backoff from restarting it.
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limits:
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cpu: 100m
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memory: 200Mi
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requests:
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cpu: 100m
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memory: 100Mi
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livenessProbe:
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httpGet:
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path: /healthz
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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: /readiness
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port: 8081
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scheme: HTTP
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# we poll on pod startup for the Kubernetes master service and
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# only setup the /readiness HTTP server once that's available.
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initialDelaySeconds: 30
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timeoutSeconds: 5
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args:
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# command = "/kube-dns"
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- --domain=cluster.local
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- --dns-port=10053
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ports:
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- containerPort: 10053
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name: dns-local
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protocol: UDP
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- containerPort: 10053
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name: dns-tcp-local
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protocol: TCP
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- name: dnsmasq
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image: gcr.io/google_containers/kube-dnsmasq-amd64:1.3
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args:
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- --cache-size=1000
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- --no-resolv
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- --server=127.0.0.1#10053
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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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- name: healthz
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image: gcr.io/google_containers/exechealthz-amd64:1.0
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resources:
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# keep request = limit to keep this container in guaranteed class
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limits:
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cpu: 10m
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memory: 20Mi
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requests:
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cpu: 10m
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memory: 20Mi
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args:
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- -cmd=nslookup kubernetes.default.svc.cluster.local 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.cluster.local 127.0.0.1:10053 >/dev/null
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- -port=8080
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- -quiet
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ports:
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- containerPort: 8080
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protocol: TCP
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dnsPolicy: Default # Don't use cluster DNS.
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@ -0,0 +1,40 @@
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# Copyright 2016 The Kubernetes Authors.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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# This file should be kept in sync with cluster/images/hyperkube/dns-svc.yaml
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# TODO - At some point, we need to rename all skydns-*.yaml.* files to kubedns-*.yaml.*
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# Warning: This is a file generated from the base underscore template file: skydns-svc.yaml.base
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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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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: "KubeDNS"
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spec:
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selector:
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k8s-app: kube-dns
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clusterIP: 10.32.0.10
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ports:
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- name: dns
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port: 53
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protocol: UDP
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- name: dns-tcp
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port: 53
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protocol: TCP
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