openstack ocata版（脚本）计算节点安装

一、初始化环境：

1、安装软件包：

yum -y install centos-release-openstack-ocata
yum -y upgrade
yum -y install python-openstackclient
yum -y install chrony
yum -y install openstack-nova-compute
yum -y install openstack-neutron-linuxbridge ebtables ipset

2、关闭防火墙

systemctl stop firewalld
systemctl disable firewalld

3、关闭selinux

4、配置地址

ip addr add dev eth0 10.0.0.21/24
echo 'ip addr add dev eth0 10.0.0.21/24' >> /etc/rc.local
chmod +x /etc/rc.d/rc.local 

5、配置hosts

1、vi /etc/hosts
# controller
10.0.0.11 controller
# compute1
10.0.0.21 compute1
# compute2
10.0.0.22 compute2
# compute3
10.0.0.23 compute3
# compute4
10.0.0.24 compute4
# block1
10.0.0.51 block1
# object1
10.0.0.52 object1
# object2
10.0.0.53 object2
2、重启机器
reboot

二、执行脚本：

1、配置时间同步：

1、修改/etc/chrony.conf
server controller iburst  #只留这一行
systemctl start chronyd
systemctl enable chronyd
2、验证：
chronyc sources

2、执行脚本：

1、控制节点执行：
export OS_USERNAME=admin
export OS_PASSWORD=keystone
export OS_PROJECT_NAME=admin
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_AUTH_URL=http://controller:35357/v3
export OS_IDENTITY_API_VERSION=3
2、在控制节点上运行脚本：
python3 compute-install.py
注：1.compute-install.py里computer_ip_port为地址：桥接的端口
   2.compute-install.py里host_password为地址：root密码
3、最后在计算节点上执行：
systemctl enable libvirtd.service openstack-nova-compute.service
systemctl enable neutron-linuxbridge-agent.service