4532423 发表于 2016-7-6 09:11:02

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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