---
apiVersion: v1
kind: Service
metadata:
  name: piko
  labels:
    app: piko
spec:
  ports:
  - port: 8000
    name: proxy
  - port: 8001
    name: upstream
  - port: 8002
    name: admin
  - port: 8003
    name: gossip
  clusterIP: None
  selector:
    app: piko

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: server-config
data:
  server.yaml: |
    cluster:
      node_id_prefix: ${POD_NAME}-
      join:
        - piko


---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: piko
spec:
  selector:
    matchLabels:
      app: piko
  serviceName: "piko"
  replicas: 3
  template:
    metadata:
      labels:
        app: piko
    spec:
      terminationGracePeriodSeconds: 60
      containers:
      - name: piko
        image: my-repo/piko:latest
        ports:
        - containerPort: 8000
          name: proxy
        - containerPort: 8001
          name: upstream
        - containerPort: 8002
          name: admin
        - containerPort: 8003
          name: gossip
        args:
          - server
          - --config.path
          - /config/server.yaml
          - --config.expand-env
        resources:
          limits:
            cpu: 250m
            ephemeral-storage: 1Gi
            memory: 1Gi
          requests:
            cpu: 250m
            ephemeral-storage: 1Gi
            memory: 1Gi
        env:
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
        volumeMounts:
          - name: config
            mountPath: "/config"
            readOnly: true
      volumes:
        - name: config
          configMap:
            name: server-config
            items:
            - key: "server.yaml"
              path: "server.yaml"