appconfigmgrv2/config/default/manager_prometheus_metrics_patch.yaml

# Copyright 2019 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.
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# Copyright 2019 Google LLC. This software is provided as-is, 
# without warranty or representation for any use or purpose.#
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# This patch enables Prometheus scraping for the manager pod.
apiVersion: apps/v1
kind: Deployment
metadata:
  name: controller-manager
  namespace: system
spec:
  template:
    metadata:
      annotations:
        prometheus.io/scrape: 'true'
    spec:
      containers:
      # Expose the prometheus metrics on default port
      - name: manager
        ports:
        - containerPort: 8080
          name: metrics
          protocol: TCP