# Copyright 2019 waveywaves
#
# 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
#
#     https://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: cloudevents-controller
  namespace: cloudevents-controller
  labels:
    cloudevents.waveywaves.dev/release: devel
spec:
  replicas: 1
  selector:
    matchLabels:
      app: cloudevents-controller
  template:
    metadata:
      labels:
        app: cloudevents-controller
        cloudevents.waveywaves.dev/release: devel
    spec:
      # To avoid node becoming SPOF, spread our replicas to different nodes.
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchLabels:
                  app: cloudevents-controller
              topologyKey: kubernetes.io/hostname
            weight: 100
      volumes:
        - name: config-logging
          configMap:
            name: config-logging
      serviceAccountName: cloudevents-controller
      containers:
      - name: cloudevents-controller
        # This is the Go import path for the binary that is containerized
        # and substituted here.
        image: ko://github.com/waveywaves/cloudevents-controller/cmd/controller
        args: [
        "-sink-http-image", "ko://github.com/waveywaves/cloudevents-controller/cmd/sink-http"
        ]
        volumeMounts:
          - name: config-logging
            mountPath: /etc/config-logging
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
          limits:
            cpu: 1000m
            memory: 1000Mi
        ports:
        - name: metrics
          containerPort: 9090
        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/samples

        securityContext:
          allowPrivilegeEscalation: false
          capabilities:
            drop:
              - all
          # User 65532 is the distroless nonroot user ID
          runAsUser: 65532
          runAsGroup: 65532
