openstack简单安装--环境准备

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本文详细介绍如何在两台机器上配置OpenStack环境，包括Controller节点和Compute节点的设置过程。涉及网络配置、关闭防火墙及SELinux、安装必要软件包、数据库配置等关键步骤。

两台机器controller节点mcon compute节点mcom
两台机器都配置：

vim /etc/hosts

192.168.139.251 mcon
192.168.139.252 mcom

vim /etc/sysconfig/network-scripts/ifcfg-eth0

NAME="eth0"
DEVICE="eth0"
ONBOOT="yes"
NM_CONTROLLED=yes
BOOTPROTO=none
BRIDGE=br0

vim /etc/sysconfig/network-scripts/ifcfg-br0

DEVICE=br0
TYPE=Bridge
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=none
IPADDR=192.168.139.252  //本机IP
NETMASK=255.255.240.0
GATEWAY=192.168.128.1
DNS1=114.114.114.114

关闭防火墙服务

systemctl stop firewalld.service
systemctl disable firewalld.service

vim /etc/hostname

controller（compute）//本机域名

关闭selinux
vim /etc/selinux/config

SELINUX=disabled

yum install centos-release-openstack-mitaka -y
yum install https://rdoproject.org/repos/rdo-release.rpm -y
yum upgrade -y
yum install python-openstackclient -y
yum install openstack-selinux -y
yum install mariadb mariadb-server python2-PyMySQL -y

以下只在controller节点配置

配置数据库
vim /etc/my.cnf.d/mariadb-server.cnf

bind-address = 192.168.139.251
default-storage-engine = innodb
innodb_file_per_table
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8

systemctl enable mariadb.service
systemctl start mariadb.service

yum install mongodb-server mongodb -y

vim /etc/mongod.conf

bind_ip = 192.168.139.251
smallfiles = true

systemctl enable mongod.service
systemctl start mongod.service

yum install rabbitmq-server -y
systemctl enable rabbitmq-server.service
systemctl start rabbitmq-server.service
rabbitmqctl add_user openstack zouhuiying
rabbitmqctl set_permissions openstack ".*" ".*" ".*"

yum install memcached python-memcached -y
systemctl enable memcached.service
systemctl start memcached.service