solutions/experimentation/core-landing-zone/namespaces/config-management-monitoring.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.
#########
# permissions and accounts required to enable Config Sync monitoring using Workload Identity
# the k8s 'config-management-monitoring/default' service account also needs to be annotated manually
# WARNING: once annotated, billable metrics will be generated
# https://cloud.google.com/anthos-config-management/docs/how-to/monitor-config-sync-cloud-monitoring
#########
# GCP SA
apiVersion: iam.cnrm.cloud.google.com/v1beta1
kind: IAMServiceAccount
metadata:
  name: config-mgmt-mon-default-sa
  namespace: config-control # kpt-set: ${management-namespace}
  annotations:
    cnrm.cloud.google.com/project-id: management-project-id # kpt-set: ${management-project-id}
    cnrm.cloud.google.com/ignore-clusterless: "true"
spec:
  displayName: config-mgmt-mon-default-sa
---
# Grant GCP role Metrics Writer to config-mgmt-mon-default-sa on Management Project
apiVersion: iam.cnrm.cloud.google.com/v1beta1
kind: IAMPolicyMember
metadata:
  name: config-mgmt-mon-default-sa-metric-writer-permissions
  namespace: config-control # kpt-set: ${management-namespace}
  annotations:
    cnrm.cloud.google.com/project-id: management-project-id # kpt-set: ${management-project-id}
    cnrm.cloud.google.com/ignore-clusterless: "true"
spec:
  resourceRef:
    apiVersion: resourcemanager.cnrm.cloud.google.com/v1beta1
    kind: Project
    external: management-project-id # kpt-set: ${management-project-id}
  role: roles/monitoring.metricWriter
  member: "serviceAccount:config-mgmt-mon-default-sa@management-project-id.iam.gserviceaccount.com" # kpt-set: serviceAccount:config-mgmt-mon-default-sa@${management-project-id}.iam.gserviceaccount.com
---
# K8S SA granted workload identity user
apiVersion: iam.cnrm.cloud.google.com/v1beta1
kind: IAMPartialPolicy
metadata:
  name: config-mgmt-mon-default-sa-workload-identity-binding
  namespace: config-control # kpt-set: ${management-namespace}
  annotations:
    cnrm.cloud.google.com/project-id: management-project-id # kpt-set: ${management-project-id}
    cnrm.cloud.google.com/ignore-clusterless: "true"
spec:
  resourceRef:
    name: config-mgmt-mon-default-sa
    apiVersion: iam.cnrm.cloud.google.com/v1beta1
    kind: IAMServiceAccount
  bindings:
    - role: roles/iam.workloadIdentityUser
      members:
        - member: serviceAccount:management-project-id.svc.id.goog[config-management-monitoring/default] # kpt-set: serviceAccount:${management-project-id}.svc.id.goog[config-management-monitoring/default]
---
# Link GCP SA to K8S namespace
apiVersion: core.cnrm.cloud.google.com/v1beta1
kind: ConfigConnectorContext
metadata:
  name: configconnectorcontext.core.cnrm.cloud.google.com
  namespace: config-management-monitoring
  annotations:
    cnrm.cloud.google.com/ignore-clusterless: "true"
spec:
  googleServiceAccount: config-mgmt-mon-default-sa@management-project-id.iam.gserviceaccount.com # kpt-set: config-mgmt-mon-default-sa@${management-project-id}.iam.gserviceaccount.com