Kubernetes "pods.metrics.k8s.io "my-pod-name" is forbidden: User "system:serviceaccount:default:default" cannot get resource "pods"

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I can't figure out whats wrong with my role binding. I keep getting this error while trying to get metrics for my pod.

"pods.metrics.k8s.io "my-pod-name" is forbidden: User "system:serviceaccount:default:default" cannot get resource "pods" in API group "metrics.k8s.io" in the namespace "default""

Here is the Cluster role yaml file

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  namespace: default
  name: pod-reader
rules:
  - apiGroups: ["", "metrics.k8s.io"] # "" indicates the core API group
    resources: ["pods"]
    verbs: ["get", "watch", "list"]

Then I ran this command

kubectl create clusterrolebinding pod-reader \
  --clusterrole=pod-reader  \
  --serviceaccount=default:default
service-accounts kubernetes roles
1 Answers

ClusterRole & ClusterRolebinding are non-namespaced resources. So, remove the namespace line from your YAML file.

Alternatively, use Role & RoleBinding if you want to scope to a namespace.

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