# Copyright 2019 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
#
#     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: net-istio-controller
  namespace: knative-serving
  labels:
    app.kubernetes.io/component: net-istio
    app.kubernetes.io/name: knative-serving
    app.kubernetes.io/version: devel
    serving.knative.dev/release: devel
    networking.knative.dev/ingress-provider: istio
spec:
  selector:
    matchLabels:
      app: net-istio-controller
  template:
    metadata:
      annotations:
        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
        # This must be outside of the mesh to probe the gateways.
        # NOTE: this is allowed here and not elsewhere because
        # this is the Istio controller, and so it may be Istio-aware.
        sidecar.istio.io/inject: "false"
      labels:
        app: net-istio-controller
        app.kubernetes.io/component: net-istio
        app.kubernetes.io/name: knative-serving
        app.kubernetes.io/version: devel
        serving.knative.dev/release: devel
    spec:
      serviceAccountName: controller
      containers:
      - name: controller
        # This is the Go import path for the binary that is containerized
        # and substituted here.
        image: ko://knative.dev/net-istio/cmd/controller

        resources:
          requests:
            cpu: 30m
            memory: 40Mi
          limits:
            cpu: 300m
            memory: 400Mi

        env:
        - name: SYSTEM_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: CONFIG_LOGGING_NAME
          value: config-logging
        - name: CONFIG_OBSERVABILITY_NAME
          value: config-observability

        # TODO(https://github.com/knative/pkg/pull/953): Remove stackdriver specific config
        - name: METRICS_DOMAIN
          value: knative.dev/net-istio

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

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

# Unlike other controllers, this doesn't need a Service defined for metrics and
# profiling because it opts out of the mesh (see annotation above).
