kubectl patch

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Update field(s) of a resource using strategic merge patch.


kubectl patch --help
   -p, --patch=:

The patch to be applied to the resource JSON file.

kubectl patch svc argocd-server -n argocd -p '{"spec": {"type": "LoadBalancer"}}'
kubectl patch pv
kubectl patch pvc
kubectl patch sts elastic-operator
kubectl patch cronjobs
kubectl patch provisioner  
kubectl patch ValidatingWebhookConfiguration

Stop DaemonSet by appliying a nodeSelector

  • kubectl patch daemonset <name-of-daemon-set> -p '{"spec": {"template": {"spec": {"nodeSelector": {"non-existing": "true"}}}}}'

Start DaemonSet by removing the nodeSelector :

kubectl patch daemonset <name-of-daemon-set> --type json -p='[{"op": "remove", "path": "/spec/template/spec/nodeSelector/non-existing"}]'
kubectl get ds -A

Related[edit]

See also[edit]

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