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BOOTPROTO=static			#修改网卡配置参数，修改为静态IP
ONBOOT=yes					#开启设备开机启动

IPADDR=192.168.80.11  		#添加字段，静态模式IP自定义
NETMASK=255.255.255.0		#添加字段，设置网段
GATEWAY=192.168.80.2		#添加字段，设置网关
DNS1=192.168.80.2			#添加字段，设置DNS服务器
IPV4_ROUTE_METRIC=90		#设置网卡优先级，默认100，越低优先级越高，防止出现两张网卡为了抢占优先级导致无法连接问题

systemcrl restart network

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systemctl stop firewalld
setenforce 0
hostnamectl set-hostname ct
su -

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systemctl stop firewalld
setenforce 0
hostnamectl set-hostname c1
su -

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systemctl stop firewalld
setenforce 0
hostnamectl set-hostname c2
su -

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yum -y install net-tools bash-completion vim gcc gcc-c++ make pcre  pcre-devel expat-devel cmake  bzip2 lrzsz 

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yum -y install centos-release-openstack-train python-openstackclient openstack-selinux openstack-utils

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cd /etc/sysconfig/network-scripts/

vim ifcfg-ens36
#修改
BOOTPROTO=static
ONBOOT=yes

#末行添加
IPADDR=192.168.10.10			#根据网段，设置VMnet1网段的IP，自定义
NETMASK=255.255.255.0			#设置掩码

systemctl restart network		#重启网卡
ifconfig						#再次查看，是否修改完成

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echo '192.168.10.10 ct' >> /etc/hosts
echo '192.168.10.20 c1' >> /etc/hosts
echo '192.168.10.30 c2' >> /etc/hosts

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ssh-keygen -t rsa
#一路回车
ssh-copy-id ct
ssh-copy-id c1
ssh-copy-id c2

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echo 'nameserver 114.114.114.114' >> /etc/resolv.conf

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yum install chrony -y

vim /etc/chrony.conf 

#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	

server ntp6.aliyun.com iburst		#配置阿里云时钟服务器源
allow 192.168.10.0/24				#允许192.168.100.0/24网段的主机来同步时钟服务
		
#使用chronyc sources命令查询时间同步信息

systemctl enable chronyd
systemctl restart chronyd
chronyc sources

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yum install chrony -y

vim /etc/chrony.conf

#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	

server ct iburst		#配置阿里云时钟服务器源，同步指向控制节点ct

systemctl enable chronyd.service
systemctl restart chronyd.service		
chronyc sources 

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crontab -e		
*/2 * * * * /usr/bin/chronyc sources >>/var/log/chronyc.log

crontab -l

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yum -y install mariadb mariadb-server python2-PyMySQL

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yum -y install libibverbs

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vim /etc/my.cnf.d/openstack.cnf

[mysqld]
bind-address = 192.168.10.10
default-storage-engine = innodb
innodb_file_per_table = on
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8

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#开机自启动、开启服务

systemctl enable mariadb
systemctl start mariadb

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mysql_secure_installation

Enter current password for root (enter for none): 	#输入当前root密码，回车
OK, successfully used password, moving on...
Set root password? [Y/n] Y							#是否需要更改root密码，Y确认
Remove anonymous users? [Y/n] Y						#是否移除其他用户，Y确认移除
 ... Success!
Disallow root login remotely? [Y/n] n				#是否不允许root用户远程登陆，输入n，允许root用户远程登陆
 ... skipping.
Remove test database and access to it? [Y/n] Y 		#是否删除test测试库，Y确认删除
Reload privilege tables now? [Y/n] Y 				#是否刷新规则，Y确认刷新

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yum -y install rabbitmq-server

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===配置服务，启动RabbitMQ服务，并设置其开机启动===
systemctl enable rabbitmq-server.service
systemctl start rabbitmq-server.service

===创建消息队列用户,用于controler和 计算节点连接rabbitmq的认证（关联）===
rabbitmqctl add_user openstack RABBIT_PASS

===配置openstack用户的操作权限(正则，配置读写权限）===
rabbitmqctl set_permissions openstack ".*" ".*" ".*"

查看rabbitmq插件列表
rabbitmq-plugins list

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开启rabbitmq的web管理界面的插件，端口为15672
rabbitmq-plugins enable rabbitmq_management

此时可查看25672和5672 两个端口（5672是Rabbitmq默认端口，25672是Rabbit的测试工具CLI的端口）
netstat -natp | grep 5672

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yum install -y memcached python-memcached
#python-*模块在OpenStack中起到连接数据库的作用

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vim /etc/sysconfig/memcached 
PORT="11211"					#memcached端口11211
USER="memcached"				#用户memcached
MAXCONN="1024"					#最大连接数1024
CACHESIZE="64"					#字符集大小64位
OPTIONS="-l 127.0.0.1,::1,ct" 	#监听地址，127.0.0.1：本地地址，::是ipv6地址，ct是本地VMnet1地址

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开启服务开机自启，启动服务
systemctl enable memcached
systemctl start memcached

netstat -nautp | grep 11211

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yum -y install etcd

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cd /etc/etcd/
vim etcd.conf 
删除所有内容，复制粘贴以下内容并进行修改

ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="http://192.168.10.10:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.10.10:2379"	
ETCD_NAME="ct"	
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.10.10:2380"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.10.10:2379"
ETCD_INITIAL_CLUSTER="ct=http://192.168.10.10:2380"	
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01"
ETCD_INITIAL_CLUSTER_STATE="new"   

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systemctl enable etcd.service
systemctl start etcd.service
netstat -anutp |grep 2379
netstat -anutp |grep 2380