redis-cli -h 192.168.1.2 -p 7000 -c
yyy-flushdb 清空库 每个master节点都要执行
查看 keys * 结果license
获取数据 get "license"
ansible-playbook -e build_id=${build_id} -i environments/private-vm private_offline/cloud_services/cloud_web-filesystem.yml
mysql
show databases
drop database abc;