Create kubelet-parameters-ds.yaml

Customize Kubelet configuration using a DaemonSet

examples/kubelet/kubelet-parameters-ds.yaml

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+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+ labels:
+ component: kubelet-parameters
+ name: kubelet-parameters
+ namespace: kube-system
+spec:
+ selector:
+ matchLabels:
+ component: kubelet-parameters
+ tier: node
+ template:
+ metadata:
+ labels:
+ component: kubelet-parameters
+ tier: node
+ spec:
+ #Enable node selector in case you need to run on specific node pool 
+ #nodeSelector:
+ # agentpool: default 
+ containers:
+ - command:
+ - nsenter
+ - --target
+ - "1"
+ - --mount
+ - --uts
+ - --ipc
+ - --net
+ - --pid
+ - --
+ - sh
+ - -c
+ - |
+ if cat /etc/default/kubelet | grep -q 'kube-api-qps';then
+ echo "kube-api-qps parameter already exists in kubelet configuration"
+ else
+ sed -i "s/KUBELET_FLAGS=/KUBELET_FLAGS=--kube-api-qps 10 /g" /etc/default/kubelet
+ systemctl daemon-reload
+ systemctl restart kubelet
+ echo "kube-api-qps parameter has been added to kubelet configuration"
+ fi 
+ if cat /etc/default/kubelet | grep -q 'kube-api-burst';then
+ echo "kube-api-burst parameter already exists in kubelet configuration"
+ else
+ sed -i "s/KUBELET_FLAGS=/KUBELET_FLAGS=--kube-api-burst 15 /g" /etc/default/kubelet
+ systemctl daemon-reload
+ systemctl restart kubelet
+ echo "kube-api-burst parameter has been added to kubelet configuration"
+ fi
+ while true; do sleep 100000; done
+ image: alpine
+ imagePullPolicy: IfNotPresent
+ name: kubelet-parameters
+ resources:
+ requests:
+ cpu: 10m
+ securityContext:
+ privileged: true
+ dnsPolicy: ClusterFirst
+ hostPID: true
+ tolerations:
+ - effect: NoSchedule
+ operator: Exists
+ restartPolicy: Always
+ updateStrategy:
+ type: RollingUpdate