a492762995
Set poll period of fetching changes from k8s api of metrics server nanny to 30s. This will enable faster scaling of metrics server
118 lines
3.4 KiB
YAML
118 lines
3.4 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: apps/v1
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kind: Deployment
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metadata:
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name: metrics-server-v0.4.4
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namespace: kube-system
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labels:
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k8s-app: metrics-server
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addonmanager.kubernetes.io/mode: Reconcile
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version: v0.4.4
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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: v0.4.4
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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: v0.4.4
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spec:
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securityContext:
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seccompProfile:
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type: RuntimeDefault
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priorityClassName: system-cluster-critical
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serviceAccountName: metrics-server
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nodeSelector:
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kubernetes.io/os: linux
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containers:
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- name: metrics-server
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image: k8s.gcr.io/metrics-server/metrics-server:v0.4.4
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command:
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- /metrics-server
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- --metric-resolution=30s
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# These are needed for GKE, which doesn't support secure communication yet.
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# Remove these lines for non-GKE clusters, and when GKE supports token-based auth.
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- --kubelet-port=10255
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- --deprecated-kubelet-completely-insecure=true
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- --kubelet-preferred-address-types=InternalIP,Hostname,InternalDNS,ExternalDNS,ExternalIP
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- --cert-dir=/tmp
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- --secure-port=443
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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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volumeMounts:
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- mountPath: /tmp
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name: tmp-dir
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- name: metrics-server-nanny
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image: k8s.gcr.io/addon-resizer:1.8.11
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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={{ base_metrics_server_cpu }}
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- --extra-cpu=0.5m
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- --memory={{ base_metrics_server_memory }}
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- --extra-memory={{ metrics_server_memory_per_node }}Mi
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- --threshold=5
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- --deployment=metrics-server-v0.4.4
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- --container=metrics-server
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- --poll-period=30000
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- --estimator=exponential
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# Specifies the smallest cluster (defined in number of nodes)
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# resources will be scaled to.
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- --minClusterSize={{ metrics_server_min_cluster_size }}
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# Use kube-apiserver metrics to avoid periodically listing nodes.
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- --use-metrics=true
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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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- emptyDir: {}
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name: tmp-dir
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tolerations:
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- key: "CriticalAddonsOnly"
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operator: "Exists"
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