##.Centos7环境准备

#Centos  x86_64

#安装

yum -y install wget vim ntp net-tools tree openssh

#更换阿里源

mv /etc/yum.repos.d/CentOS-Base.repo{,.bak}

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

yum install centos-release-openstack-pike -y #安装OpenStack库

yum clean all && yum makecache #生成缓存

yum install python-openstackclient openstack-selinux python2-PyMySQL -y #OpenStack客户端

yum install openstack-utils -y #openstack工具

#关闭selinux、防火墙

systemctl stop firewalld.service

systemctl disable firewalld.service

firewall-cmd --state

sed -i '/^SELINUX=.*/c SELINUX=disabled' /etc/selinux/config

sed -i 's/^SELINUXTYPE=.*/SELINUXTYPE=disabled/g' /etc/selinux/config

grep --color=auto '^SELINUX' /etc/selinux/config

setenforce 

#设置hostname

Host=controller.www.local

hostnamectl set-hostname $Host

# hostname $Host

# echo $Host>/etc/hostname

#设置网卡(Vlan、bond等)，规划好IP地址
#controller节点需要外网IP（使用其它网段IP地址）作为VNC代理

#hosts添加 ,controller也要添加

echo "10.2.1.20   controller">>/etc/hosts

echo "10.2.1.21   computer01">>/etc/hosts

echo "10.2.1.22   computer02">>/etc/hosts

#查看本机IP

ip add|sed -nr  's#^.*inet (.*)/24.*$#\1#gp'

#时间同步

/usr/sbin/ntpdate ntp6.aliyun.com

echo "*/3 * * * * /usr/sbin/ntpdate ntp6.aliyun.com  &> /dev/null" > /tmp/crontab

crontab /tmp/crontab

#升级，重启

yum update -y  && reboot