solutions/project/hub-env/fortigate/firewall.yaml

# Copyright 2020 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.
#########
# Firewall
## External allow all
apiVersion: compute.cnrm.cloud.google.com/v1beta1
kind: ComputeFirewall
metadata:
  name: hub-allow-external-fwr
  namespace: networking
  annotations:
    cnrm.cloud.google.com/project-id: hub-project-id # kpt-set: ${hub-project-id}
    config.kubernetes.io/depends-on: compute.cnrm.cloud.google.com/namespaces/networking/ComputeNetwork/hub-global-external-vpc
spec:
  resourceID: allow-external-fwr
  allow:
    - protocol: all
  direction: INGRESS
  networkRef:
    name: hub-global-external-vpc
  sourceRanges:
    - 0.0.0.0/0
  logConfig:
    metadata: "INCLUDE_ALL_METADATA"
---
## External Load Balancers health checks
## https://cloud.google.com/load-balancing/docs/health-checks#fw-rule
## AC-3(7) use of SA account with limited permissions
apiVersion: compute.cnrm.cloud.google.com/v1beta1
kind: ComputeFirewall
metadata:
  name: hub-elb-allow-health-checks-to-fortigate-fwr
  namespace: networking
  annotations:
    cnrm.cloud.google.com/project-id: hub-project-id # kpt-set: ${hub-project-id}
    config.kubernetes.io/depends-on: compute.cnrm.cloud.google.com/namespaces/networking/ComputeNetwork/hub-global-external-vpc
spec:
  resourceID: elb-allow-health-checks-to-fortigate-fwr
  allow:
    - protocol: tcp
      ports:
        - "8008"
  networkRef:
    name: hub-global-external-vpc
  sourceRanges:
    - "35.191.0.0/16"
    - "130.211.0.0/22"
  targetServiceAccounts:
    - name: hub-fortigatesdn-sa
  logConfig:
    metadata: "INCLUDE_ALL_METADATA"
---
## Internal allow spokes to fortigates
## AC-3(7) use of SA account with limited permissions
apiVersion: compute.cnrm.cloud.google.com/v1beta1
kind: ComputeFirewall
metadata:
  name: hub-allow-spokes-to-fortigates-fwr
  namespace: networking
  annotations:
    cnrm.cloud.google.com/project-id: hub-project-id # kpt-set: ${hub-project-id}
    config.kubernetes.io/depends-on: compute.cnrm.cloud.google.com/namespaces/networking/ComputeNetwork/hub-global-internal-vpc
spec:
  resourceID: allow-spokes-to-fortigates-fwr
  allow:
    - protocol: all
  direction: INGRESS
  networkRef:
    name: hub-global-internal-vpc
  # TODO: once IP space is finalized, re-adjust this value to maybe allow only PAZ subnets
  sourceRanges:
    - 10.0.0.0/8
  targetServiceAccounts:
    - name: hub-fortigatesdn-sa
  logConfig:
    metadata: "INCLUDE_ALL_METADATA"
---
## Internal Load Balancers health checks
## https://cloud.google.com/load-balancing/docs/health-checks#fw-rule
## AC-3(7) use of SA account with limited permissions
apiVersion: compute.cnrm.cloud.google.com/v1beta1
kind: ComputeFirewall
metadata:
  name: hub-ilb-allow-health-checks-to-fortigate-fwr
  namespace: networking
  annotations:
    cnrm.cloud.google.com/project-id: hub-project-id # kpt-set: ${hub-project-id}
    config.kubernetes.io/depends-on: compute.cnrm.cloud.google.com/namespaces/networking/ComputeNetwork/hub-global-internal-vpc
spec:
  resourceID: ilb-allow-health-checks-to-fortigate-fwr
  allow:
    - protocol: tcp
      ports:
        - "8008"
  networkRef:
    name: hub-global-internal-vpc
  sourceRanges:
    - "35.191.0.0/16"
    - "130.211.0.0/22"
  targetServiceAccounts:
    - name: hub-fortigatesdn-sa
  logConfig:
    metadata: "INCLUDE_ALL_METADATA"
---
## Enable traffic on mgmt network for fortigates HA
## AC-3(7) use of SA account with limited permissions
apiVersion: compute.cnrm.cloud.google.com/v1beta1
kind: ComputeFirewall
metadata:
  name: hub-allow-fortigates-ha-fwr
  namespace: networking
  annotations:
    cnrm.cloud.google.com/project-id: hub-project-id # kpt-set: ${hub-project-id}
    config.kubernetes.io/depends-on: compute.cnrm.cloud.google.com/namespaces/networking/ComputeNetwork/hub-global-mgmt-vpc
spec:
  resourceID: allow-fortigates-ha-fwr
  direction: INGRESS
  allow:
    - protocol: all
  networkRef:
    name: hub-global-mgmt-vpc
  sourceServiceAccounts:
    - name: hub-fortigatesdn-sa
  targetServiceAccounts:
    - name: hub-fortigatesdn-sa
  logConfig:
    metadata: "INCLUDE_ALL_METADATA"