kind: Service
apiVersion: v1
metadata:
  name: gold-{{.INSTANCE_ID}}-diffserver
  labels:
    app: gold-{{.INSTANCE_ID}}-diffserver
spec:
  ports:
    - name: grpc
      port: 8000
    - name: http
      port: 8001
    - name: metrics
      port: 20000
  selector:
    app: gold-{{.INSTANCE_ID}}-diffserver
  type: NodePort
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: gold-{{.INSTANCE_ID}}-diffserver
spec:
  replicas: 1
  selector:
    matchLabels:
      app: gold-{{.INSTANCE_ID}}-diffserver # Label selector that determines which Pods belong to the StatefulSet
                                # Must match spec: template: metadata: labels
  serviceName: "gold-{{.INSTANCE_ID}}-diffserver"
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: gold-{{.INSTANCE_ID}}-diffserver  # Pod template's label selector
        appgroup: gold-{{.INSTANCE_ID}}
      annotations:
        prometheus.io.scrape: "true"
        prometheus.io.port: "20000"
    spec:
      automountServiceAccountToken: false
      securityContext:
        runAsUser: 2000 # aka skia
        fsGroup: 2000   # aka skia
      containers:
        - name: gold-diffserver
          image: {{.DIFF_SERVER_IMAGE}}
          args:
            - "--cache_size=10"
            - "--grpc_port=:8000"
            - "--gs_buckets={{.BUCKET}}"
            - "--image_dir=/data"
            - "--image_port=:8001"
            - "--logtostderr"
            - "--no_cloud_log"
            - "--prom_port=:20000"
            - "--service_account_file=/var/secrets/google/service-account.json"
          ports:
            - containerPort: 8000
              name: grpc
            - containerPort: 8001
              name: http
            - containerPort: 20000
              name: prom
          volumeMounts:
            - name: gold-{{.INSTANCE_ID}}-diffserver-diffs-storage-volume
              mountPath: /data
            - name: gold-service-account-secrets
              mountPath: /var/secrets/google/
          env:
            - name: GOOGLE_APPLICATION_CREDENTIALS
              value: /var/secrets/google/service-account.json
          resources:
            requests:
              memory: "32G"
              cpu: "4"
          livenessProbe:
            httpGet:
              path: /healthz
              port: 8001
            initialDelaySeconds: 15
            periodSeconds: 15
            failureThreshold: 10
          readinessProbe:
            httpGet:
              path: /healthz
              port: 8001
            initialDelaySeconds: 5
            periodSeconds: 5
      volumes:
        - name: gold-service-account-secrets
          secret:
            secretName: gold-service-account-secrets
  volumeClaimTemplates:
    - metadata:
        name: gold-{{.INSTANCE_ID}}-diffserver-diffs-storage-volume
      spec:
        storageClassName: ssd-disk
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 1000Gi