friht 发表于 2018-6-1 08:42:17

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:
# cat /etc/hostname
controller  配置网络:
# 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
# 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
# cat /etc/hostname
compute1  修改网卡
# 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
# 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
# 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

# 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
# systemctl enable chronyd.service
# systemctl start chronyd.service  

  安装compute节点
# yum install chrony  编辑/etc/chrony.conf配置文件
server controller iburst  启动服务,并添加到开机启动
# 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。
# 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
# 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
# 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
# yum install python-openstackclient
# yum install openstack-selinux  

  5、安装配置数据库服务
# yum install mariadb mariadb-server python2-PyMySQL  编辑/etc/my.cnf,增加下面配置。

# 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
# 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

# mysql_secure_installation  

  6、安装No sql数据库
# yum install mongodb-server mongodb  修改配置文件/etc/mongod.conf
bind_ip = 10.0.0.11
smallfiles = true  启动服务,并加入开机启动
# systemctl enable mongod.service
# systemctl start mongod.service  

  7、安装消息队列服务
# yum install rabbitmq-server  启动服务,并加入开机启动
# systemctl enable rabbitmq-server.service
# systemctl start rabbitmq-server.service  增加rabbitmq用户,并添加权限
# 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
# yum install memcached python-memcached  启动服务,并加入开机启动
# systemctl enable memcached.service
# systemctl start memcached.service  

  基础环境安装完成。

  

  

  
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