Symptom:
We hit issues that all kubectl command stuck like kubectl get pod...etc
initially, we thought it is a Kubernetes control plane issue but confirmed with the cloud provider, the control plane has some communication issues with the webhook
Solution:
It turns out the OPA gatekeeper was stuck and cause webhook issues with the control plane.
Workaround:
1. Delete webhook
kubectl delete validatingwebhookconfigurations.admissionregistration.k8s.io gatekeeper-validating-webhook-configuration
2. It will stabilize the communications with the control plane
3. Delete and redeploy opa keeper deployment
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