1、安装yum源
yum install https://buildlogs.centos.org/centos/7/cloud/x86_64/openstack-liberty/centos-release-openstack-liberty-1-3.el7.noarch.rpm -y
2、安装 centos-release-openstack-liberty
yum install centos-release-openstack-liberty -y
3、升级
yum upgrade
4、安装 OpenStack 客户端
yum install python-openstackclient -y
5、RHEL和 CentOS 默认启用 SELinux 。安装 openstack-selinux 包实现对OpenStack服务的安全策略进行自动管理
yum install openstack-selinux -y