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Updating DNS and k8s version
Upated kubedns to the latest version, and updated k8s to the latest stable (v1.7.5) in the Vagrant demo.
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‎_includes/master/install-k8s-addons.md

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@@ -30,5 +30,5 @@ calico-policy-controller-so4gl 1/1 Running 0 1m
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To install KubeDNS, use the provided manifest. This enables Kubernetes Service discovery.
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```shell
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kubectl apply -f {{site.url}}/{{page.version}}/getting-started/kubernetes/installation/manifests/skydns.yaml
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kubectl apply -f {{site.url}}/{{page.version}}/getting-started/kubernetes/installation/manifests/kubedns.yaml
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```

‎master/getting-started/kubernetes/installation/manifests/kubedns.yaml

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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: 10.100.0.10
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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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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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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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addonmanager.kubernetes.io/mode: Reconcile
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spec:
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# replicas: not specified here:
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# 1. In order to make Addon Manager do not reconcile this replicas parameter.
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# 2. Default is 1.
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# 3. Will be tuned in real time if DNS horizontal auto-scaling is turned on.
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strategy:
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rollingUpdate:
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maxSurge: 10%
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maxUnavailable: 0
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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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labels:
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k8s-app: kube-dns
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annotations:
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scheduler.alpha.kubernetes.io/critical-pod: ''
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spec:
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tolerations:
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- key: "CriticalAddonsOnly"
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operator: "Exists"
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volumes:
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- name: kube-dns-config
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configMap:
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name: kube-dns
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optional: true
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containers:
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- name: kubedns
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image: gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.4
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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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memory: 170Mi
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requests:
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cpu: 100m
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memory: 70Mi
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livenessProbe:
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httpGet:
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path: /healthcheck/kubedns
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port: 10054
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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: 3
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timeoutSeconds: 5
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args:
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- --domain=cluster.local
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- --dns-port=10053
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- --config-dir=/kube-dns-config
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- --v=2
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env:
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- name: PROMETHEUS_PORT
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value: "10055"
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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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- containerPort: 10055
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name: metrics
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protocol: TCP
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volumeMounts:
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- name: kube-dns-config
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mountPath: /kube-dns-config
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- name: dnsmasq
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image: gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.4
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livenessProbe:
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httpGet:
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path: /healthcheck/dnsmasq
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port: 10054
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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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args:
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- -v=2
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- -logtostderr
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- -configDir=/etc/k8s/dns/dnsmasq-nanny
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- -restartDnsmasq=true
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- --
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- -k
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- --cache-size=1000
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- --log-facility=-
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- --server=/cluster.local/127.0.0.1#10053
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- --server=/in-addr.arpa/127.0.0.1#10053
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- --server=/ip6.arpa/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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# see: https://github.com/kubernetes/kubernetes/issues/29055 for details
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resources:
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requests:
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cpu: 150m
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memory: 20Mi
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volumeMounts:
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- name: kube-dns-config
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mountPath: /etc/k8s/dns/dnsmasq-nanny
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- name: sidecar
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image: gcr.io/google_containers/k8s-dns-sidecar-amd64:1.14.4
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livenessProbe:
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httpGet:
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path: /metrics
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port: 10054
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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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args:
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- --v=2
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- --logtostderr
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- --probe=kubedns,127.0.0.1:10053,kubernetes.default.svc.cluster.local,5,A
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- --probe=dnsmasq,127.0.0.1:53,kubernetes.default.svc.cluster.local,5,A
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ports:
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- containerPort: 10054
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name: metrics
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protocol: TCP
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resources:
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requests:
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memory: 20Mi
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cpu: 10m
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dnsPolicy: Default # Don't use cluster DNS.

‎master/getting-started/kubernetes/installation/manifests/skydns.yaml

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This file was deleted.

‎master/getting-started/kubernetes/installation/vagrant/master-config.yaml

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@@ -23,8 +23,8 @@ coreos:
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After=etcd-member.service
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[Service]
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kubectl
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kube-apiserver
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kubectl
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kube-apiserver
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kubectl
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-apiserver
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ExecStart=/opt/bin/kube-apiserver \
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After=kube-apiserver.service
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[Service]
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kube-controller-manager
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kube-controller-manager
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-controller-manager
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# --cluster-cidr must match the IP Pool defined in the manifest
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ExecStart=/opt/bin/kube-controller-manager \
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After=kube-apiserver.service
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[Service]
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kube-scheduler
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kube-scheduler
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-scheduler
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ExecStart=/opt/bin/kube-scheduler --master=$private_ipv4:8080
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Restart=always
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[Service]
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kubelet
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kubelet
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kubelet
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ExecStart=/opt/bin/kubelet \
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--address=0.0.0.0 \
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After=kubelet.service
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[Service]
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kube-proxy
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kube-proxy
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-proxy
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# --cluster-cidr must match the IP Pool defined in the manifest
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ExecStart=/opt/bin/kube-proxy \

‎master/getting-started/kubernetes/installation/vagrant/node-config.yaml

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@@ -47,7 +47,7 @@ coreos:
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/cni/bin https://github.com/containernetworking/cni/releases/download/v0.5.1/cni-v0.5.1.tgz
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ExecStartPre=/usr/bin/tar -xvf /opt/cni/bin/cni-v0.5.1.tgz -C /opt/cni/bin
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kubelet
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kubelet
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kubelet
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ExecStartPre=/usr/bin/mkdir -p /opt/cni/bin
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ExecStart=/opt/bin/kubelet \
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After=kubelet.service
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[Service]
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TimeoutStartSec=1800
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kube-proxy
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ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.7.5/bin/linux/amd64/kube-proxy
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ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-proxy
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# --cluster-cidr must match the IP Pool defined in the manifest
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ExecStart=/opt/bin/kube-proxy \

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