1. Watch tidb-cluster up and running
   watch kubectl get pods --namespace {{ .Release.Namespace }} -l cluster.pingcap.com/tidbCluster={{ .Values.clusterName }} -o wide
2. List services in the tidb-cluster
   kubectl get services --namespace {{ .Release.Namespace }} -l cluster.pingcap.com/tidbCluster={{ .Values.clusterName }}
3. Access tidb-cluster using MySQL client
   export TIDB_SVC_IP=$(kubectl get svc -n {{ .Release.Namespace }} {{ .Values.clusterName }}-tidb -o jsonpath='{.spec.clusterIP}')
   mysql -h $TIDB_SVC_IP -P 4000 -u root -D test