etcdctl set /cloudosConfig/openstackCompute/host2
'{"allPass":"cloudos","resourceNode":"host","useLocalStorage":"True","linkClone":"False","mode":"expand","ip":"172.31.6.248","hostName":"host2","vmType":2,"hostIp":"172.31.6.6","userName":"admin","password":"
admin","poolName":"hostpool2","vxlanOverlayMode":"3","storageZone":"cinder2","clusterName":"cluster2","clusterId":"2","initMode":"vmware_api","vswitch":[{"netName":"dnN3aXRjaDA=","device":"vswitch0"}],"pci":[],"transport_url":"
rabbit://openstack:cloudos@rabbitmq-service"}
'