Kubernetes admission controllers check

Question

How can I check which admission controllers are enabled by default on the cluster using some command like kubectl.

Answer 1

You can try using the following command Kubectl cluster-info dump | grep -i admission

Answer 2

There is no subcommand to list the enable admission controller with kubectl.

Nevertheless, you can get this information from kube-apiserver admission controller enabled-by-default

kube-apiserver -h | grep enable-admission-plugins

for k8s 1.16

• NamespaceLifecycle
• LimitRanger
• ServiceAccount
• TaintNodesByCondition
• Priority
• DefaultTolerationSeconds,
• DefaultStorageClass
• StorageObjectInUseProtection,
• PersistentVolumeClaimResize
• MutatingAdmissionWebhook,
• ValidatingAdmissionWebhook
• RuntimeClass
• ResourceQuota