openstack M版安装 环境准备篇
环境准备：[*]Controller Node: 1 processor, 2.5 GB memory, and 20 GB storage ，3 network interface
[*]Compute Node: 1 processor, 2 GB memory, and 20 GB storage，3 network interface
[*]Compute Node: 1 processor, 2 GB memory, and 20 GB storage，3 network interface
[*]Object Node: 1 processor, 512 GB memory, and 20 GB storage + 10 GB storage，2 network interface
controller 和compute节点三个网卡：一个是Management network （10.0.0.0/24），一个是Provider network(192.168.128.0/24)，一个是用来上网安装软件的。
object 节点不需要network网卡。
由于笔记本资源有限，内存分配的比较小。这里准备两个compute节点是为了测试热迁移。
该环境的网络我这里使用的是Self-service network。（linuxbridge + vlan）
一、环境准备
1、配置controller节点。
修改hostname：
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# cat /etc/hostname
controller
配置网络：
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# cat /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=no
NAME=eth0
DEVICE=eth0
ONBOOT=yes
IPADDR=10.0.0.11
NETMASK=255.255.255.0
# cat /etc/sysconfig/network-scripts/ifcfg-eth1
TYPE=Ethernet
BOOTPROTO=none
NAME=eth1
DEVICE=eth1
ONBOOT=yes
# cat /etc/sysconfig/network-scripts/ifcfg-eth2
TYPE=Ethernet
BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eth2
DEVICE=eth2
ONBOOT=yes
配置hosts解析
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# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
10.0.0.11 controller
10.0.0.31 compute1
10.0.0.21 compute2
10.0.0.41 block1
修改完成，重启服务器。
2、配置compute节点
修改hostname
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# cat /etc/hostname
compute1
修改网卡
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# cat /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=no
NAME=eth0
DEVICE=eth0
ONBOOT=yes
IPADDR=10.0.0.31
NETMASK=255.255.255.0
# cat /etc/sysconfig/network-scripts/ifcfg-eth1
TYPE=Ethernet
BOOTPROTO=none
NAME=eth1
DEVICE=eth1
ONBOOT=yes
# cat /etc/sysconfig/network-scripts/ifcfg-eth2
TYPE=Ethernet
BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eth2
DEVICE=eth2
ONBOOT=yes
配置hosts解析
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# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
10.0.0.11 controller
10.0.0.31 compute1
10.0.0.21 compute2
10.0.0.41 block1
重启服务器
.......
配置compute2(10.0.0.21)和object1(10.0.0.41)操作类似。
配置重启完服务器后确保各个节点能ping通外网和通过hostnameping通各个节点。
3、安装时间服务器
安装控制节点
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# yum install chrony
编辑/etc/chrony.conf配置文件，可以不用改，只要添加allow 10.0.0.0/24
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# cat /etc/chrony.conf
# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
server 0.centos.pool.ntp.org iburst
server 1.centos.pool.ntp.org iburst
server 2.centos.pool.ntp.org iburst
server 3.centos.pool.ntp.org iburst
allow 10.0.0.0/24
启动服务，并添加到开机启动
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# systemctl enable chronyd.service
# systemctl start chronyd.service
安装compute节点
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# yum install chrony
编辑/etc/chrony.conf配置文件
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server controller iburst
启动服务，并添加到开机启动
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# systemctl enable chronyd.service
# systemctl start chronyd.service
其他节点和compute节点一样。
验证，在控制节点执行下面命令。
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# chronyc sources
210 Number of sources = 4
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 202.118.1.130 2 8 377 127 -361us[ -647us] +/- 7821us
^- time7.aliyun.com 2 8 177 128 +855us[ +570us] +/- 29ms
^- news.neu.edu.cn 2 8 377 6 -420us[ -420us] +/- 7927us
^- dns1.synet.edu.cn 2 8 200 17m-3379us[-3251us] +/- 12ms
在其他节点执行下面命令
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# chronyc sources
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* controller 3 6 377 22 +12us[-18us] +/- 8716us
在name/ip address 栏显示的是controller
4、配置openstack 软件安装源，我这里用的是centos7
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# yum install centos-release-openstack-mitaka
# yum upgrade
在所有节点执行上面两步操作，重启服务器
安装openstack client
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# yum install python-openstackclient
# yum install openstack-selinux
5、安装配置数据库服务
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# yum install mariadb mariadb-server python2-PyMySQL
编辑/etc/my.cnf，增加下面配置。
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# cat /etc/my.cnf
bind-address = 10.0.0.11
default-storage-engine = innodb
innodb_file_per_table
collation-server = utf8_general_ci
character-set-server = utf8
启动服务，并加入开机启动
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# systemctl enable mariadb.service
# systemctl start mariadb.service
数据库安全设置，配置数据密码，其他全部yes
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# mysql_secure_installation
6、安装No sql数据库
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# yum install mongodb-server mongodb
修改配置文件/etc/mongod.conf
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bind_ip = 10.0.0.11
smallfiles = true
启动服务，并加入开机启动
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# systemctl enable mongod.service
# systemctl start mongod.service
7、安装消息队列服务
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# yum install rabbitmq-server
启动服务，并加入开机启动
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# systemctl enable rabbitmq-server.service
# systemctl start rabbitmq-server.service
增加rabbitmq用户，并添加权限
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# rabbitmqctl add_user openstack RABBIT_PASS
Creating user "openstack" ......done.
# rabbitmqctl set_permissions openstack ".*" ".*" ".*"
Setting permissions for user "openstack" in vhost "/" ......done.
8、安装Memcached
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# yum install memcached python-memcached
启动服务，并加入开机启动
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# systemctl enable memcached.service
# systemctl start memcached.service
基础环境安装完成。
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