apiVersion: v1
kind: Service
metadata:
  name: dm-master
  labels:
    app: dm-master
spec:
  ports:
    - name: dm-master
      port: 8261
      targetPort: 8261
    - name: dm-master-peer
      port: 8291
      targetPort: 8291
  selector:
    app: dm-master
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: dm-master
  labels:
    app: dm-master
spec:
  selector:
    matchLabels:
      app: dm-master
  serviceName: dm-master
  replicas: 3 # TODO: 1 for debug; 3 DM-master instances
  podManagementPolicy: Parallel
  template:
    metadata:
      labels:
        app: dm-master
    spec:
      containers:
        - name: dm-master
          image: dm:chaos # build this image in GitHub action workflow
          imagePullPolicy: IfNotPresent
          volumeMounts:
            - mountPath: /data
              name: dm-master
            - mountPath: /log
              name: dm-master-log
          env:
            - name: MY_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: MY_POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          ports:
            - containerPort: 8261
              name: dm-master
            - containerPort: 8291
              name: dm-master-peer
          command:
            - "/dm-master"
            - "--data-dir=/data"
            - "--name=$(MY_POD_NAME)"
            - "--master-addr=0.0.0.0:8261"
            - "--advertise-addr=http://$(MY_POD_NAME).dm-master.$(MY_POD_NAMESPACE):8261"
            - "--peer-urls=:8291"
            - "--advertise-peer-urls=http://$(MY_POD_NAME).dm-master.$(MY_POD_NAMESPACE):8291"
            - "--initial-cluster=dm-master-0=http://dm-master-0.dm-master.$(MY_POD_NAMESPACE):8291,dm-master-1=http://dm-master-1.dm-master.$(MY_POD_NAMESPACE):8291,dm-master-2=http://dm-master-2.dm-master.$(MY_POD_NAMESPACE):8291"
            - "--log-file=/log/$(MY_POD_NAME).log"
  volumeClaimTemplates:
    - metadata:
        name: dm-master
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 100Mi
    - metadata:
        name: dm-master-log
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 1Gi