apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    ffs.tidbcloud: zone
  name: zone
  namespace: ffs-system
spec:
  replicas: 2
  selector:
    matchLabels:
      ffs.tidbcloud: zone
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: zone
        ffs.tidbcloud: zone
      annotations:
        cluster-autoscaler.kubernetes.io/safe-to-evict: "false"
    spec:
      nodeSelector:
        serverless.tidbcloud.com/node: "ffs-zone-realm"
      tolerations:
        - effect: NoSchedule
          key: serverless.tidbcloud.com/node
          operator: Equal
          value: "ffs-zone-realm"
      topologySpreadConstraints:
        - labelSelector:
            matchLabels:
              ffs.tidbcloud: zone
          maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: DoNotSchedule
      containers:
        - command:
            - /bin/sh
            - -ec
            - zone-server-linux --log-level=warn --universe=${UNIVERSE} --endpoints=${ENDPOINTS}
              --name=${ZONE} --addr=0.0.0.0:9092
          env:
            - name: UNIVERSE
              value: universe-svc.ffs-system:9091
            - name: ENDPOINTS
              value: etcd-svc.tidb-admin:2379
            - name: ZONE
              value: padding-zone
          image: zone
          imagePullPolicy: IfNotPresent
          name: zone
          ports:
            - containerPort: 9092
              name: zone
              protocol: TCP