1.基础环境准备
禁用selinx、卸载firewalld和NetworkManager
配置/etc/hosts解析主机名
检查主机yum源，4个仓库，10670个软件包
检查依赖软件是否安装
检查NTP服务器是否正常可用
检查/etc/resolv.conf不能有search开头的行
结果如下所示：
[root@openstack ~]# yum repolist
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
源标识 源名称 状态
!1804 Centos1804 9,911
!extras extras 76
!openstack-devtools openstack 3
!openstack-rpms openstack 680
repolist: 10,670
[root@openstack ~]# chronyc sources -v
210 Number of sources = 1
.-- Source mode '^' = server, '=' = peer, '#' = local clock.
/ .- Source state '*' = current synced, '+' = combined , '-' = not combined,
| / '?' = unreachable, 'x' = time may be in error, '~' = time too variable.
|| .- xxxx [ yyyy ] +/- zzzz
|| Reachability register (octal) -. | xxxx = adjusted offset,
|| Log2(Polling interval) --. | | yyyy = measured offset,
|| \ | | zzzz = estimated error.
|| | | \
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 176.233.13.179 3 10 377 410 -244us[ -338us] +/- 26ms
[root@openstack ~]# cat /etc/yum.repos.d/local.repo
[1804]
name=Centos1804
baseurl=ftp://176.233.13.179/centos-1804
gpgcheck=0
enabled=1
[extras]
name=extras
baseurl=ftp://176.233.13.179/extras
gpgcheck=0
enabled=1
[openstack-rpms]
name=openstack
baseurl=ftp://176.233.13.179/openstack/rhel-7-server-openstack-10-rpms
gpgcheck=0
enabled=1
[openstack-devtools]
name=openstack
baseurl=ftp://176.233.13.179/openstack/rhel-7-server-openstack-10-devtools-rpms
gpgcheck=0
enabled=1
2.Packstack服务配置软件安装
控制节点安装软件
yum -y install openstack-packstack python-setuptools
Nova节点安装软件包
yum -y install pyton-setuptools libvirt-daemon libvirt-daemon-driver-qemu libvirt-client qemu-kvm
3.配置packstack应答文件生成配置文件
packstack --gen-answer-file=answer.ini
使用vim修改配置文件后如下：
[root@openstack ~]# sed -n "42p;45p;49p;53p;75p;98p;102p;333p;840p;910p;921p;1179p;" anwer.ini
CONFIG_SWIFT_INSTALL=n #是否安装swift组件
CONFIG_CEILOMETER_INSTALL=n #45、49、53为计费相关模块
CONFIG_AODH_INSTALL=n
CONFIG_GNOCCHI_INSTALL=n
CONFIG_NTP_SERVERS=176.233.13.179 #NTP时间服务器地址
CONFIG_COMPUTE_HOSTS=192.168.10.11 #nova组件ip地址
CONFIG_NETWORK_HOSTS=192.168.10.10,192.168.10.11 #Neutron组件安装地址，所有节点都需要安装
CONFIG_KEYSTONE_ADMIN_PW=123 #设置管理员密码
CONFIG_NEUTRON_ML2_TYPE_DRIVERS=vxlan,flat #配置支持的网络协议
CONFIG_NEUTRON_OVS_BRIDGE_MAPPINGS=physnet1:br-ex #ovs网桥名称
CONFIG_NEUTRON_OVS_BRIDGE_IFACES=br-ex:eth0 #网桥物理网卡接口
CONFIG_PROVISION_DEMO=n #演示案例设置
4.安装openstack如下
packstack --answer-file=answer.ini（需要持续20~30分钟不等）
安装过程如果网络被重置，出现报错，需要手动修改网卡，命令如下：
[root@openstack ~]# cat /etc/sysconfig/network-scripts/ifcfg-br-ex
ONBOOT=yes
PEERDNS=no
NM_CONTROLLED=no
IPADDR="192.168.10.10"
NETMASK="255.255.255.0"
GATEWAY="192.168.10.2"
DEVICE=br-ex
NAME=br-ex
DEVICETYPE=ovs
OVSBOOTPROTO="static"
TYPE=OVSBridge
重新执行安装命令
[root@openstack ~]# packstack --answer-file=answer.ini
5.执行成功后可以测试登录openstack
登录成功如下：
