mirror of https://github.com/k3s-io/k3s
100 lines
3.1 KiB
YAML
100 lines
3.1 KiB
YAML
# 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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kind: ServiceAccount
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apiVersion: v1
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metadata:
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name: kube-dns-autoscaler
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namespace: kube-system
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labels:
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addonmanager.kubernetes.io/mode: Reconcile
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---
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kind: ClusterRole
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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name: system:kube-dns-autoscaler
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labels:
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addonmanager.kubernetes.io/mode: Reconcile
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rules:
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- apiGroups: [""]
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resources: ["nodes"]
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verbs: ["list"]
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- apiGroups: [""]
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resources: ["replicationcontrollers/scale"]
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verbs: ["get", "update"]
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- apiGroups: ["extensions"]
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resources: ["deployments/scale", "replicasets/scale"]
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verbs: ["get", "update"]
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# Remove the configmaps rule once below issue is fixed:
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# kubernetes-incubator/cluster-proportional-autoscaler#16
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- apiGroups: [""]
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resources: ["configmaps"]
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verbs: ["get", "create"]
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---
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kind: ClusterRoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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name: system:kube-dns-autoscaler
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labels:
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addonmanager.kubernetes.io/mode: Reconcile
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subjects:
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- kind: ServiceAccount
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name: kube-dns-autoscaler
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namespace: kube-system
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roleRef:
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kind: ClusterRole
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name: system:kube-dns-autoscaler
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apiGroup: rbac.authorization.k8s.io
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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-autoscaler
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namespace: kube-system
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labels:
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k8s-app: kube-dns-autoscaler
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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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template:
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metadata:
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labels:
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k8s-app: kube-dns-autoscaler
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annotations:
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scheduler.alpha.kubernetes.io/critical-pod: ''
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spec:
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containers:
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- name: autoscaler
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image: gcr.io/google_containers/cluster-proportional-autoscaler-amd64:1.1.2-r2
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resources:
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requests:
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cpu: "20m"
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memory: "10Mi"
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command:
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- /cluster-proportional-autoscaler
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- --namespace=kube-system
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- --configmap=kube-dns-autoscaler
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# Should keep target in sync with cluster/addons/dns/kube-dns.yaml.base
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- --target=Deployment/kube-dns
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# When cluster is using large nodes(with more cores), "coresPerReplica" should dominate.
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# If using small nodes, "nodesPerReplica" should dominate.
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- --default-params={"linear":{"coresPerReplica":256,"nodesPerReplica":16,"preventSinglePointFailure":true}}
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- --logtostderr=true
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- --v=2
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tolerations:
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- key: "CriticalAddonsOnly"
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operator: "Exists"
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serviceAccountName: kube-dns-autoscaler
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