环境：Centos 7
配置：1处理器2核心；6G内存

1.配置系统固定IP

[root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-ens33

2.关闭SElinux

[root@localhost ~]# vi /etc/selinux/config
#将SELINUX=enforcing改为SELINUX=disabled，重启系统

3.更换yum源为阿里源，具体方法见历史文章http://231ai.cn/index.php/archives/29/
4.更新yum

[root@localhost ~]# yum -y update

5.关闭NetworkManager.service和防火墙

[root@localhost ~]# systemctl stop NetworkManager.service
[root@localhost ~]# systemctl disable NetworkManager.service   #开机不自动启动
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.
Removed symlink /etc/systemd/system/network-online.target.wants/NetworkManager-wait-online.service.
[root@localhost ~]# systemctl status NetworkManager.service   #查看服务状态
[root@localhost ~]# systemctl restart network   #重启网络
[root@localhost ~]# setenforce 0
[root@localhost ~]# systemctl stop firewalld   #关闭防火墙
[root@localhost ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
[root@localhost ~]# systemctl status firewalld

6.更新device-mapper

[root@localhost ~]# yum update device-mapper

7.安装rdo

[root@localhost ~]# yum install -y http://rdo.fedorapeople.org/rdo-release.rpm

8.安装openstack-packstack

[root@localhost ~]# yum install -y openstack-packstack
#安装成功结尾会显示Complete!

9.启动httpd服务

[root@localhost ~]# systemctl start httpd

10.安装openstack

[root@localhost ~]# packstack --allinone
#成功安装结尾会输出：****Installation completed successfully*****

11.通过浏览器输入IP地址访问openstack登录界面
12.账号密码查看，保存账号的文件在账号的home目录下

[root@localhost ~]# cd ~
[root@localhost ~]# ls
anaconda-ks.cfg  keystonerc_admin  keystonerc_demo  packstack-answers-20211028-034120.txt
[root@localhost ~]# cat keystonerc_admin
unset OS_SERVICE_TOKEN
export OS_USERNAME=admin
export OS_PASSWORD='dc38819f10624ea0'
export OS_REGION_NAME=RegionOne
export OS_AUTH_URL=http://172.31.3.9:5000/v3
export PS1='[\u@\h \W(keystone_admin)]\$ '

export OS_PROJECT_NAME=admin
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_IDENTITY_API_VERSION=3