环境准备
建议16GB RAM
sed -i ‘/^SELINUX/s/enforcing/disabled/‘ /etc/selinux/config
systemctl stop firewalld && systemctl disable firewalld
systemctl stop NetworkManager && systemctl disable NetworkManager
1.Software repositories
yum install centos-release-openstack-stein -y
yum update -y
2.Install Packstack Installer
yum install openstack-packstack -y
3.Run Packstack to install OpenStack
packstack ##应答安装参数 packstack --allinone ##allinone模式
packstack --gen-answer-file=<file>
packstack --answer-file=<file> ##选择应答文件
安装完成后会生成安装参数文件，可以对此文件编辑成应答文件
[root@localhost ~]# ls
anaconda-ks.cfg cirros-0.4.0-x86_64-disk.img keystonerc_admin packstack-answers-20191213-171803.txt
关于安装参数，可以参考以下：
https://github.com/redhat-openstack/packstack/blob/master/docs/packstack.rst
packstack文档：
https://www.rdoproject.org/install/packstack/
https://wiki.openstack.org/wiki/Packstack
原文：https://www.cnblogs.com/omgasw/p/12059049.html