Difference between revisions of "Kubectl patch"

Revision as of 10:14, 28 February 2024

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

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

kubectl patch --type=json -p='[{"op": "remove", "path": "metadata.creationTimestamp"}]'

@@ Line 37: / Line 37: @@
 * <code>[[K8s.io/Patch]]</code>
-* [[kubectl replace]]
+* <code>[[kubectl replace]]</code>
-* [[kubectl edit]]
+* <code>[[kubectl edit]]</code>
-* [[kubectl apply]]
+* <code>[[kubectl apply]]</code>
 * [[Kubernetes PVC resize: kubectl patch]]