clusterrole/prometheus ist not allowed to list ingresses.networking.k8s.io

[floek]

Hi,

I get the following error in my prometheus logs:

level=error ts=2021-01-04T11:38:22.372Z caller=klog.go:94 component=k8s_client_runtime func=ErrorDepth msg="/app/discovery/kubernetes/kubernetes.go:429: Failed to list *v1beta1.Ingress: ingresses.networking.k8s.io is forbidden: User \"system:serviceaccount:kubeprod:prometheus\" cannot list resource \"ingresses\" in API group \"networking.k8s.io\" at the cluster scope"
level=error ts=2021-01-04T11:38:23.658Z caller=klog.go:94 component=k8s_client_runtime func=ErrorDepth msg="/app/discovery/kubernetes/kubernetes.go:429: Failed to list *v1beta1.Ingress: ingresses.networking.k8s.io is forbidden: User \"system:serviceaccount:kubeprod:prometheus\" cannot list resource \"ingresses\" in API group \"networking.k8s.io\" at the cluster scope"
level=error ts=2021-01-04T11:38:26.084Z caller=klog.go:94 component=k8s_client_runtime func=ErrorDepth msg="/app/discovery/kubernetes/kubernetes.go:429: Failed to list *v1beta1.Ingress: ingresses.networking.k8s.io is forbidden: User \"system:serviceaccount:kubeprod:prometheus\" cannot list resource \"ingresses\" in API group \"networking.k8s.io\" at the cluster scope"

I had to change the clusterrrole/prometheus as follows and add networking.k8s.io:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  annotations:
    kubecfg.ksonnet.io/garbage-collect-tag: kube_prod_runtime
  labels:
    kubecfg.ksonnet.io/garbage-collect-tag: kube_prod_runtime
    name: prometheus
  name: prometheus
rules:
- apiGroups:
  - ""
  resources:
  - nodes
  - nodes/proxy
  - nodes/metrics
  - services
  - endpoints
  - pods
  - ingresses
  - configmaps
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - extensions
  - networking.k8s.io
  resources:
  - ingresses
  - ingresses/status
  verbs:
  - get
  - list
  - watch
- nonResourceURLs:
  - /metrics
  verbs:
  - get

now the error disappeared.