setup/manifests/base/turn/turn-network-policy.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.

# A NetworkPolicy is required for the broker apps to talk to the TURN web aggregator pod
# because it runs in the pod network, not the hostNetwork like the actual TURN pods.
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: turn-allow-broker-apps
spec:
  podSelector:
    matchLabels:
      app: turn-web-aggregator
  policyTypes:
    - Ingress
  ingress:
    ###
    # Allow traffic from user namespaces
    ###
    - from:
        - namespaceSelector:
            matchLabels:
              app.kubernetes.io/managed-by: pod-broker