diff --git a/content/en/examples/admin/dns/dns-horizontal-autoscaler.yaml b/content/en/examples/admin/dns/dns-horizontal-autoscaler.yaml index dff87cf851..ada91c1a35 100644 --- a/content/en/examples/admin/dns/dns-horizontal-autoscaler.yaml +++ b/content/en/examples/admin/dns/dns-horizontal-autoscaler.yaml @@ -1,33 +1,94 @@ +kind: ServiceAccount +apiVersion: v1 +metadata: + name: kube-dns-autoscaler + namespace: kube-system + labels: + addonmanager.kubernetes.io/mode: Reconcile +--- +kind: ClusterRole +apiVersion: rbac.authorization.k8s.io/v1 +metadata: + name: system:kube-dns-autoscaler + labels: + addonmanager.kubernetes.io/mode: Reconcile +rules: + - apiGroups: [""] + resources: ["nodes"] + verbs: ["list", "watch"] + - apiGroups: [""] + resources: ["replicationcontrollers/scale"] + verbs: ["get", "update"] + - apiGroups: ["apps"] + resources: ["deployments/scale", "replicasets/scale"] + verbs: ["get", "update"] +# Remove the configmaps rule once below issue is fixed: +# kubernetes-incubator/cluster-proportional-autoscaler#16 + - apiGroups: [""] + resources: ["configmaps"] + verbs: ["get", "create"] +--- +kind: ClusterRoleBinding +apiVersion: rbac.authorization.k8s.io/v1 +metadata: + name: system:kube-dns-autoscaler + labels: + addonmanager.kubernetes.io/mode: Reconcile +subjects: + - kind: ServiceAccount + name: kube-dns-autoscaler + namespace: kube-system +roleRef: + kind: ClusterRole + name: system:kube-dns-autoscaler + apiGroup: rbac.authorization.k8s.io + +--- apiVersion: apps/v1 kind: Deployment metadata: - name: dns-autoscaler + name: kube-dns-autoscaler namespace: kube-system labels: - k8s-app: dns-autoscaler + k8s-app: kube-dns-autoscaler + kubernetes.io/cluster-service: "true" + addonmanager.kubernetes.io/mode: Reconcile spec: selector: matchLabels: - k8s-app: dns-autoscaler + k8s-app: kube-dns-autoscaler template: metadata: labels: - k8s-app: dns-autoscaler + k8s-app: kube-dns-autoscaler spec: + priorityClassName: system-cluster-critical + securityContext: + seccompProfile: + type: RuntimeDefault + supplementalGroups: [ 65534 ] + fsGroup: 65534 + nodeSelector: + kubernetes.io/os: linux containers: - name: autoscaler - image: k8s.gcr.io/cluster-proportional-autoscaler-amd64:1.6.0 + image: k8s.gcr.io/cpa/cluster-proportional-autoscaler:1.8.4 resources: - requests: - cpu: 20m - memory: 10Mi + requests: + cpu: "20m" + memory: "10Mi" command: - - /cluster-proportional-autoscaler - - --namespace=kube-system - - --configmap=dns-autoscaler - - --target= - # When cluster is using large nodes(with more cores), "coresPerReplica" should dominate. - # If using small nodes, "nodesPerReplica" should dominate. - - --default-params={"linear":{"coresPerReplica":256,"nodesPerReplica":16,"min":1}} - - --logtostderr=true - - --v=2 + - /cluster-proportional-autoscaler + - --namespace=kube-system + - --configmap=kube-dns-autoscaler + # Should keep target in sync with cluster/addons/dns/kube-dns.yaml.base + - --target= + # When cluster is using large nodes(with more cores), "coresPerReplica" should dominate. + # If using small nodes, "nodesPerReplica" should dominate. + - --default-params={"linear":{"coresPerReplica":256,"nodesPerReplica":16,"preventSinglePointFailure":true,"includeUnschedulableNodes":true}} + - --logtostderr=true + - --v=2 + tolerations: + - key: "CriticalAddonsOnly" + operator: "Exists" + serviceAccountName: kube-dns-autoscaler