Centos7環境準備openstack pike的安裝

##1.Centos7環境準備
#Centos 7 x86_64

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

#更換阿里源
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 #安裝OpenStack庫
yum clean all && yum makecache #生成緩存

yum install python-openstackclient openstack-selinux python2-PyMySQL -y #OpenStack客戶端
yum install openstack-utils -y #openstack工具

#關閉selinux、防火墻
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 0

#設置hostname
Host=controller.www.local
hostnamectl set-hostname $Host
# hostname $Host
# echo $Host>/etc/hostname

#設置網卡(Vlan、bond等)，規劃好IP地址
#controller節點需要外網IP（使用其它網段IP地址）作為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

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

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

#升級，重啟
yum update -y && reboot