88 lines
2.5 KiB
YAML
88 lines
2.5 KiB
YAML
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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---
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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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rules:
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- apiGroups: [""]
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resources: ["nodes"]
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verbs: ["list", "watch"]
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- apiGroups: [""]
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resources: ["replicationcontrollers/scale"]
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verbs: ["get", "update"]
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- apiGroups: ["apps"]
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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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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: apps/v1
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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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spec:
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selector:
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matchLabels:
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k8s-app: kube-dns-autoscaler
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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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spec:
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priorityClassName: system-cluster-critical
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securityContext:
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seccompProfile:
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type: RuntimeDefault
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supplementalGroups: [ 65534 ]
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fsGroup: 65534
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nodeSelector:
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kubernetes.io/os: linux
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containers:
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- name: autoscaler
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image: registry.k8s.io/cpa/cluster-proportional-autoscaler:1.8.4
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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=<SCALE_TARGET>
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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,"includeUnschedulableNodes":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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