policies/constraints/compute_allowed_networks.yaml

# Copyright 2021 Google LLC
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# 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
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#     https://www.apache.org/licenses/LICENSE-2.0
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apiVersion: constraints.gatekeeper.sh/v1alpha1
kind: GCPComputeAllowedNetworksConstraintV2
metadata:
  name: allowed-networks
  annotations:
    description: Checks all VM network interfaces are attached to certain VPC networks.
spec:
  severity: high
  match:
    target: # {"$ref":"#/definitions/io.k8s.cli.setters.target_prj_analytics"}
    - "organizations/**"
  parameters:
    allowed: # {"$ref":"#/definitions/io.k8s.cli.setters.allowed_networks"}
    - https://www.googleapis.com/compute/v1/projects/vpc-sc-pub-sub-billing-alerts/global/networks/default1