C-0126 - Ensure that the admission control plugin NamespaceLifecycle is set
Description of the the issue
Setting admission control policy to
NamespaceLifecycle ensures that objects cannot be created in non-existent namespaces, and that namespaces undergoing termination are not used for creating the new objects. This is recommended to enforce the integrity of the namespace termination process and also for the availability of the newer objects.
What does this control test
Reject creating objects in a namespace that is undergoing termination.
How to check it manually
Run the following command on the Control Plane node:
ps -ef | grep kube-apiserver
Verify that the
--disable-admission-plugins argument is set to a value that does not include
Edit the API server pod specification file
/etc/kubernetes/manifests/kube-apiserver.yaml on the Control Plane node and set the
--disable-admission-plugins parameter to ensure it does not include
NamespaceLifecycle is set.
Updated 8 days ago