先电云iaas（openstack）超级详细搭建（四）安装服务

注意：接与上一篇博客内容进行更新
由于整个开源openstack安装过程过于繁琐，命令太长，太繁琐，于是把整个安装命令写成shell脚本。

脚本数量内容过多，已经推送自我的github源码托管中心了。
这是本篇脚本内容所在的github仓库位置
[root@controller centos]# cd /usr/local/bin/这是所有需要的脚本的整个路径
脚本内容介绍

#!/bin/bash
source /etc/xiandian/openrc.sh
ping $HOST_IP -c 4 >> /dev/null 2>&1
if [ 0  -ne  $? ]; then
        echo -e "\033[31m Warning\nPlease make sure the network configuration is correct!\033[0m"
        exit 1
fi
# check system

sed -i  -e '/server/d' -e "/fudge/d" /etc/ntp.conf
sed -i  -e "1i server 127.127.1.0" -e "2i fudge 127.127.1.0 stratum 10" /etc/ntp.conf
systemctl restart ntpd
systemctl enable ntpd


yum install mariadb mariadb-server python2-PyMySQL expect mongodb-server mongodb rabbitmq-server memcached python-memcached -y
sed -i  "/^symbolic-links/a\default-storage-engine = innodb\ninnodb_file_per_table\ncollation-server = utf8_general_ci\ninit-connect = 'SET NAMES
 utf8'\ncharacter-set-server = utf8\nmax_connections=10000" /etc/my.cnf
crudini --set /usr/lib/systemd/system/mariadb.service Service LimitNOFILE 10000
crudini --set /usr/lib/systemd/system/mariadb.service Service LimitNPROC 10000
systemctl daemon-reload
systemctl enable mariadb.service
systemctl restart mariadb.service
expect -c "
spawn /usr/bin/mysql_secure_installation
expect \"Enter current password for root (enter for none):\"
send \"\r\"
expect \"Set root password?\"
send \"y\r\"
expect \"New password:\"
send \"$DB_PASS\r\"
expect \"Re-enter new password:\"
send \"$DB_PASS\r\"
expect \"Remove anonymous users?\"
send \"y\r\"
expect \"Disallow root login remotely?\"
send \"n\r\"
expect \"Remove test database and access to it?\"
send \"y\r\"
expect \"Reload privilege tables now?\"
send \"y\r\"
expect eof

1.10通过脚本安装服务

1.11-1.14基础服务的操作命令已经编写成shell脚本，通过脚本进行一键安装。如下：
# Controller节点
执行脚本iaas-install-mysql.sh进行安装

下面这是整个安装过程的详细命令（脚本内容已经包含该命令）

1.11安装Mysql数据库服务
# yum install  mysql  mysql-server  MySQL-python
修改 /etc/my.cnf文件[mysqld]中添加
max_connections=10000
default-storage-engine = innodb
innodb_file_per_table
collation-server = utf8_general_ci
init-connect = 'SET NAMES utf8'
character-set-server = utf8
启动服务
#systemctl enable mariadb.service
#systemctl start mariadb.service
配置Mysql
#mysql_secure_installation
修改/usr/lib/systemd/system/mariadb.service
[Service]
新添加两行如下参数：
LimitNOFILE=10000
LimitNPROC=10000
重新加载系统服务，并重启mariadb服务
# systemctl daemon-reload
# service mariadb restart
按enter确认后设置数据库root密码
Remove anonymous users? [Y/n] y
Disallow root login remotely? [Y/n] n
Remove test database and access to it? [Y/n] y
Reload privilege tables now? [Y/n] y
（2）compute节点
#yum -y install  MySQL-python

1.12安装Mongo数据库服务

#yum install -y mongodb-server mongodb
编辑 /etc/mongod.conf文件
删除bind_ip行
修改 smallfiles = true
#systemctl enable mongod.service
#systemctl start mongod.service

1.13安装RabbitMQ服务

# yum install -y rabbitmq-server
systemctl enable rabbitmq-server.service
systemctl restart rabbitmq-server.service
rabbitmqctl add_user openstack 000000
rabbitmqctl set_permissions openstack ".*" ".*" ".*"

1.14安装memcahce

#yum install memcached python-memcached
systemctl enable memcached.service
systemctl restart memcached.service

先电云iaas（openstack）超级详细搭建（四）安装服务

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