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a3c00aadd5
The hostname is a DNS A record, if the subdomain maps to a service name in the same namespace
130 lines
4.0 KiB
YAML
130 lines
4.0 KiB
YAML
apiVersion: v1
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kind: ReplicationController
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metadata:
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name: kube-dns-v11
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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: v11
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kubernetes.io/cluster-service: "true"
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spec:
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replicas: {{ pillar['dns_replicas'] }}
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selector:
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k8s-app: kube-dns
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version: v11
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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: v11
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kubernetes.io/cluster-service: "true"
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spec:
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containers:
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- name: etcd
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image: gcr.io/google_containers/etcd-amd64:2.2.1
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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: 500Mi
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requests:
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cpu: 100m
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memory: 50Mi
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command:
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- /usr/local/bin/etcd
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- -data-dir
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- /var/etcd/data
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- -listen-client-urls
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- http://127.0.0.1:2379,http://127.0.0.1:4001
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- -advertise-client-urls
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- http://127.0.0.1:2379,http://127.0.0.1:4001
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- -initial-cluster-token
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- skydns-etcd
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volumeMounts:
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- name: etcd-storage
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mountPath: /var/etcd/data
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- name: kube2sky
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image: gcr.io/google_containers/kube2sky:1.14
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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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# Kube2sky watches all pods.
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memory: 200Mi
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requests:
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cpu: 100m
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memory: 50Mi
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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 = "/kube2sky"
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- --domain={{ pillar['dns_domain'] }}
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- name: skydns
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image: gcr.io/google_containers/skydns:2015-10-13-8c72f8c
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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: 50Mi
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args:
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# command = "/skydns"
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- -machines=http://127.0.0.1:4001
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- -addr=0.0.0.0:53
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- -ns-rotate=false
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- -domain={{ pillar['dns_domain'] }}.
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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: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.{{ pillar['dns_domain'] }} 127.0.0.1 >/dev/null
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- -port=8080
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ports:
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- containerPort: 8080
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protocol: TCP
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volumes:
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- name: etcd-storage
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emptyDir: {}
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dnsPolicy: Default # Don't use cluster DNS.
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