# Copyright 2020 The Knative Authors
#
# 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.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mt-broker-controller
  namespace: knative-eventing
  labels:
    eventing.knative.dev/release: devel
    app.kubernetes.io/component: mt-broker-controller
    app.kubernetes.io/version: devel
    app.kubernetes.io/name: knative-eventing
spec:
  selector:
    matchLabels:
      app: mt-broker-controller
  template:
    metadata:
      labels:
        app: mt-broker-controller
        eventing.knative.dev/release: devel
        app.kubernetes.io/component: broker-controller
        app.kubernetes.io/version: devel
        app.kubernetes.io/name: knative-eventing
    spec:
      # To avoid node becoming SPOF, spread our replicas to different nodes.
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchLabels:
                  app: mt-broker-controller
              topologyKey: kubernetes.io/hostname
            weight: 100

      serviceAccountName: eventing-controller
      enableServiceLinks: false
      containers:
      - name: mt-broker-controller
        terminationMessagePolicy: FallbackToLogsOnError
        image: ko://knative.dev/eventing/cmd/mtchannel_broker

        resources:
          requests:
            cpu: 100m
            memory: 100Mi

        env:
          - name: SYSTEM_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: CONFIG_LOGGING_NAME
            value: config-logging
          - name: CONFIG_OBSERVABILITY_NAME
            value: config-observability
          - name: METRICS_DOMAIN
            value: knative.dev/eventing

          # Due to the trivial per-Broker cost, we _can_ inject Brokers into every
          # namespace by default. To change this default simply change this
          # to "true".  To opt namespaces out of Broker injection, label
          # them with:
          #    knative-eventing-injection: disabled
          - name: BROKER_INJECTION_DEFAULT
            value: "false"

          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name

        securityContext:
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
          runAsNonRoot: true
          capabilities:
            drop:
            - all

        ports:
        - name: metrics
          containerPort: 9090
        - name: profiling
          containerPort: 8008
