templates/policygen/forseti/overall/iam_deny_public_access.yaml

# Copyright 2021 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/v1alpha1
kind: GCPIAMAllowedBindingsConstraintV3
metadata:
  name: iam_deny_public_access
spec:
  severity: high
  match:
    target:
    {{- range get . "targets"}}
    - "{{.}}"
    {{- end}}
  parameters:
    mode: denylist
    role: "roles/*"
    members:
    - allUsers
    - allAuthenticatedUsers