[root@controller ~]# yum install rabbitmq-server -y
Complete!
注释：
用yum安装rabbit软件，最后显示Complete!说明安装成功
[root@controller ~]# systemctl enable rabbitmq-server.service
Created symlink from /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service to /usr/lib/systemd/system/rabbitmq-server.service.
[root@controller ~]# systemctl start rabbitmq-server.service
注释：
开启rabbit服务并设置为随系统自启动。
[root@controller ~]# rabbitmqctl add_user openstack 123
Creating user "openstack" ...
...done.
注释：添加openstack用户并设密码
[root@controller ~]# rabbitmqctl set_permissions openstack ".*" ".*" ".*"
Setting permissions for user "openstack" in vhost "/" ...
...done.
注释：给openstack用户配置读和写权限
