# 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
#
#     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: tekton-code-engine-controller
  namespace: tekton-pipelines
  labels:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: default
    app.kubernetes.io/part-of: tekton-code-engine
spec:
  replicas: 1
  selector:
    matchLabels:
      app: controller
  template:
    metadata:
      labels:
        app: controller
        app.kubernetes.io/component: controller
        app.kubernetes.io/instance: default
        app.kubernetes.io/part-of: tekton-code-engine
    spec:
      # To avoid node becoming SPOF, spread our replicas to different nodes.
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchLabels:
                  app: controller
              topologyKey: kubernetes.io/hostname
            weight: 100

      serviceAccountName: tekton-code-engine-controller
      imagePullSecrets:
        - name: ai-lifecycle
      containers:
      - name: controller
        # This is the Go import path for the binary that is containerized
        # and substituted here.
        image: ko://github.com/rafalbigaj/tekton-code-engine/cmd/controller
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
          limits:
            cpu: 1000m
            memory: 1000Mi
        ports:
        - name: metrics
          containerPort: 9090
        env:
        - name: KUBERNETES_MIN_VERSION
          value: 1.19.0
        - 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: custom.tekton.dev/codeenginetask
        - name: CE_API_KEY
          valueFrom:
            secretKeyRef:
              name: code-engine-secret
              key: apikey
        - name: CE_PROJECT_REGION
          valueFrom:
            secretKeyRef:
              name: code-engine-secret
              key: region
        - name: CE_PROJECT_ID
          valueFrom:
            secretKeyRef:
              name: code-engine-secret
              key: projectid

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