config/default/manager_auth_proxy_patch.yaml

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

# This patch inject a sidecar container which is a HTTP proxy for the controller manager,
# it performs RBAC authorization against the Kubernetes API using SubjectAccessReviews.

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: controller-manager
  namespace: system
spec:
  template:
    spec:
      containers:
        - name: kube-rbac-proxy
          image: gcr.io/kubebuilder/kube-rbac-proxy:v0.4.1
          args:
            - "--secure-listen-address=0.0.0.0:8443"
            - "--upstream=http://127.0.0.1:8080/"
            - "--logtostderr=true"
            - "--v=10"
          ports:
            - containerPort: 8443
              name: https
        - name: manager
          args:
            - "--metrics-addr=127.0.0.1:8080"
            - "--enable-leader-election"