rolebinding.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: namespace-cloner

---

kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: namespace-cloner
rules:
- apiGroups: [""]
  resources: ["namespaces"]
  verbs: ["get", "list", "watch", "create"]  
- apiGroups: ["apps"]
  resources: ["deployments"]
  verbs: ["create", "get", "list", "watch", "update", "patch", "delete"]
- apiGroups: [""]
  resources: ["configmaps"]
  verbs: ["create", "get", "list", "watch", "update", "patch", "delete"]
- apiGroups: [""]
  resources: ["secrets"]
  verbs: ["create", "get", "list", "watch", "update", "patch", "delete"]
- apiGroups: ["policy"]
  resources: ["poddisruptionbudgets"]
  verbs: ["create", "get", "list", "watch", "update", "patch", "delete"]
- apiGroups: ["autoscaling"]
  resources: ["horizontalpodautoscalers"]
  verbs: ["create", "get", "list", "watch", "update", "patch", "delete"]
- apiGroups: ["apps"]
  resources: ["statefulsets"]
  verbs: ["create", "get", "list", "watch", "update", "patch", "delete"]

---

kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: namespace-cloner
subjects:
- kind: ServiceAccount
  name: namespace-cloner
  namespace: default
roleRef:
  kind: Role
  name: namespace-cloner
  apiGroup: rbac.authorization.k8s.io