apiVersion: apps/v1
kind: Deployment
metadata:
  name: scaler
spec:
  replicas: 1
  selector:
    matchLabels:
      control-plane: scaler
  template:
    metadata:
      labels:
        control-plane: scaler
        free-tier.tidbcloud.com/mtls: "true"
        sidecar.istio.io/inject: "false"
      annotations:
        proxy.istio.io/config: '{"holdApplicationUntilProxyStarts": true}'
        sidecar.istio.io/userVolumeMount: '[{"name":"server-cert","mountPath":"/server-cert"}]'
    spec:
      serviceAccountName: tidb-worker
      containers:
        - name: scaler
          image: cp9.local/tidb-worker-scaler:placeholder
          env:
            - name: NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          volumeMounts:
            - name: server-cert
              mountPath: /server-cert
              readOnly: true
          ports:
            - name: api-server
              containerPort: 9080
            - name: metrics
              containerPort: 9191
          readinessProbe:
            tcpSocket:
              port: api-server
            periodSeconds: 2
            timeoutSeconds: 1
            failureThreshold: 3
      volumes:
        - name: server-cert
          secret:
            secretName: tidb-worker-cluster-secret