dex-crd.yml

apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: authcodes.dex.coreos.com
spec:
  group: dex.coreos.com
  names:
    kind: AuthCode
    listKind: AuthCodeList
    plural: authcodes
    singular: authcode
  scope: Namespaced
  version: v1

---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: dex
rules:
- apiGroups: ["dex.coreos.com"] # API group created by dex
  resources: ["*"]
  verbs: ["*"]
- apiGroups: ["apiextensions.k8s.io"]
  resources: ["customresourcedefinitions"]
  verbs: ["create"] # To manage its own resources identity must be able to create customresourcedefinitions.

---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: dex
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: dex
subjects:
- kind: ServiceAccount
  name: dex                 # Service account assigned to the dex pod.
  namespace: auth           # The namespace dex is running in.

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: dex
  namespace: auth