dd9bca89ad
Automatic merge from submit-queue (batch tested with PRs 57252, 57168). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Reduce CPU and memory requests for Metrics Server Nanny **What this PR does / why we need it**: Metrics Server Nanny is a sidecar container that performs small computations every 5 minutes to scale Metrics Server resource requirements when cluster size changes. This change reduces the CPU and memory requests to free up unused resource. **Release note**: ```release-note Free up CPU and memory requested but unused by Metrics Server Pod Nanny. ```
98 lines
2.5 KiB
YAML
98 lines
2.5 KiB
YAML
apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: metrics-server
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namespace: kube-system
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labels:
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kubernetes.io/cluster-service: "true"
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addonmanager.kubernetes.io/mode: Reconcile
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: metrics-server-config
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namespace: kube-system
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labels:
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kubernetes.io/cluster-service: "true"
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addonmanager.kubernetes.io/mode: EnsureExists
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data:
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NannyConfiguration: |-
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apiVersion: nannyconfig/v1alpha1
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kind: NannyConfiguration
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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: metrics-server-v0.2.0
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namespace: kube-system
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labels:
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k8s-app: metrics-server
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kubernetes.io/cluster-service: "true"
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addonmanager.kubernetes.io/mode: Reconcile
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version: v0.2.0
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spec:
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selector:
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matchLabels:
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k8s-app: metrics-server
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version: v0.2.0
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template:
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metadata:
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name: metrics-server
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labels:
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k8s-app: metrics-server
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version: v0.2.0
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annotations:
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scheduler.alpha.kubernetes.io/critical-pod: ''
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spec:
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serviceAccountName: metrics-server
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containers:
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- name: metrics-server
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image: k8s.gcr.io/metrics-server-amd64:v0.2.0
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command:
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- /metrics-server
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- --source=kubernetes.summary_api:''
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ports:
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- containerPort: 443
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name: https
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protocol: TCP
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- name: metrics-server-nanny
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image: k8s.gcr.io/addon-resizer:1.8.1
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resources:
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limits:
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cpu: 100m
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memory: 300Mi
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requests:
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cpu: 5m
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memory: 50Mi
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env:
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- name: MY_POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: MY_POD_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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volumeMounts:
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- name: metrics-server-config-volume
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mountPath: /etc/config
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command:
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- /pod_nanny
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- --config-dir=/etc/config
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- --cpu=40m
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- --extra-cpu=0.5m
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- --memory=140Mi
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- --extra-memory=4Mi
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- --threshold=5
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- --deployment=metrics-server-v0.2.0
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- --container=metrics-server
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- --poll-period=300000
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- --estimator=exponential
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volumes:
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- name: metrics-server-config-volume
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configMap:
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name: metrics-server-config
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tolerations:
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- key: "CriticalAddonsOnly"
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operator: "Exists"
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