diff --git a/content/bn/examples/admin/dns/dns-horizontal-autoscaler.yaml b/content/bn/examples/admin/dns/dns-horizontal-autoscaler.yaml new file mode 100644 index 0000000000..3182fed3c8 --- /dev/null +++ b/content/bn/examples/admin/dns/dns-horizontal-autoscaler.yaml @@ -0,0 +1,87 @@ +kind: ServiceAccount +apiVersion: v1 +metadata: + name: kube-dns-autoscaler + namespace: kube-system +--- +kind: ClusterRole +apiVersion: rbac.authorization.k8s.io/v1 +metadata: + name: system:kube-dns-autoscaler +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 +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: kube-dns-autoscaler + namespace: kube-system + labels: + k8s-app: kube-dns-autoscaler + kubernetes.io/cluster-service: "true" +spec: + selector: + matchLabels: + k8s-app: kube-dns-autoscaler + template: + metadata: + labels: + 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: registry.k8s.io/cpa/cluster-proportional-autoscaler:1.8.4 + resources: + requests: + cpu: "20m" + memory: "10Mi" + command: + - /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