openstack前期准备
1. 两台虚拟机，安装Centos7系统两个网卡 -- 一个NAT模式，一个仅主机模式
两个硬盘 -- 一个20GB，一个50GB
内存 -- 主 2.6GB（根据自己的配置，大于2G即可）
从 1.6 GB
2. 配置网络 （参照博文 ”Centos7 配置网络）
3. 关闭 selinux ,关闭iptables(两台机器都要操作）
//在Centos7 ，firewalld就是iptables
# setenforce 0
# vi /etc/selinux/config
# systemctl stop firewalld
# systemctl disable firewalld
rm '/etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service'
rm '/etc/systemd/system/basic.target.wants/firewalld.service'
4. 关闭NetworkManager(两台机器都要操作）
# systemctl stop NetworkManager
# systemctl disable NetworkManager
rm '/etc/systemd/system/multi-user.target.wants/NetworkManager.service'
rm '/etc/systemd/system/dbus-org.freedesktop.NetworkManager.service'
rm '/etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service'
/* 定义密码 */
/* 在部署openstack过程 ，会有很多地方使用到密码 。
为了方便管理和安全，可以先定义好密码 ，利用mkpasswd生成随机字符串 */
（两台机器都安装）
# yum install -y expect
# mkpasswd -s 0 //生成随机字符串
/* 范本 */
Database password (no variable used) Root password for the database tn1Pi6Ytm
ADMIN_PASS Password of user admin 3qiVpzU2x
CEILOMETER_DBPASS Database password for the Telemetry serviceCzn3bF1hm
CEILOMETER_PASS Password of Telemetry service user ceilometerabquh12GU
CINDER_DBPASS Database password for the Block Storage service O3bwbpoZ3
CINDER_PASS Password of Block Storage service user cinderhf8LX9bow
DASH_DBPASS Database password for the dashboard5qBZxnn1g
DEMO_PASS Password of user demo 9TtbgaA1q
GLANCE_DBPASS Database password for Image serviceZznky4tP0
GLANCE_PASS Password of Image service user glance Wuyaf4cV6
HEAT_DBPASS Database password for the Orchestration serviceb7Fk5wjLg
HEAT_DOMAIN_PASS Password of Orchestration domain7Gotb3eoH
HEAT_PASS Password of Orchestration service user heateqQ2jLgz0
KEYSTONE_DBPASS Database password of Identity servicef6zx0gURv
NEUTRON_DBPASS Database password for the Networking service quidyOC50
NEUTRON_PASS Password of Networking service user neutronmdcGVl29i
NOVA_DBPASS Database password for Compute service RYgv0rg7p
NOVA_PASS Password of Compute service user novahsSNsqc43
RABBIT_PASS Password of user guest of RabbitMQo3NXovnz5
SWIFT_PASS Password of Object Storage service user swift6ci5xWOdk
METADATA_SECRET m8uhmQTu2
/* 设置主机名 */
1.两台机器，设置hostname
//方法
--〉1. hostname + 主机名
--〉2. vi /etc/hostname 让其永久生效
2. 编辑/etc/hosts
192.168.216.120 master
192.168.216.126 slave
/* 配置完后，
可以ping 一下hostname 看是否通 */
/* 同步时间 */
//master
# yum install -y chrony
# vi /etc/chrony.conf
//add or change
allow 192.168.216.0/24 //ip网段
# systemctl enable chronyd.service
# systemctl start chronyd.service
# ps aux|grep chronyd
chrony 101400.20.0985521300 ? S 15:07 0:00 /usr/sbin/chron yd
root 101480.00.0 112656 996 pts/0 S+ 15:07 0:00 grep --color=au to chronyd
//slave
# yum install -y chrony
# vi /etc/chrony.conf
//add or change,其他的解释掉
server master iburst //master为主名
# systemctl enable chronyd.service
# systemctl start chronyd.service
# ps aux|grep chronyd
chrony 106390.10.0985521296 ? S 15:09 0:00 /usr/sbin/chron yd
root 106490.00.0 112656 996 pts/0 S+ 15:09 0:00 grep --color=au to chronyd
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