acm-template/manifests/constraints/5.1.1_restrict-clusteradmin-rolebindings.yaml

# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRoleBindings
metadata: # kpt-merge: /restrict-clusteradmin-rolebindings
  name: restrict-clusteradmin-rolebindings
  annotations:
    # This constraint is not certified by CIS.
    description: "Restricts use of the cluster-admin role."
spec:
  enforcementAction: dryrun # kpt-set: ${enforcementAction}
  parameters:
    restrictedRole:
      apiGroup: "rbac.authorization.k8s.io"
      kind: "ClusterRole"
      name: "cluster-admin"
    allowedSubjects:
    - apiGroup: "rbac.authorization.k8s.io"
      kind: "Group"
      name: "system:masters"