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# 虚拟机安装Linux以及OpenStack基础环境搭建

🎉 相关博文链接 🎉

VMware Workstation15虚拟机安装教程

├── 以下两种安装方式二选一（推荐第一种）

├──VMware安装Centos7超详细过程【虚拟机安装Linux】

└── OpenStack云计算之环境搭建详解【虚拟机安装Linux】

阿里云 CentOS 镜像

阿里云CentOS下载地址 https://mirrors.aliyun.com/centos/

清华大学开源软件镜像 https://mirrors.tuna.tsinghua.edu.cn/

win10安装虚拟机提示主IP地址显示网络信息不可用【主ip没有网络】

虚拟机 Centos7网络配置 ping：www.baidu.com:未知的名称或服务 ping不通【centos7网络不通调整】

重启网卡的时候出现Job for network.service failed【mac地址问题】

vm中对虚拟机快照进行克隆【vm克隆虚拟机】

xshell为什么连接不上ubuntu/centos

Linux系统\Centos没有网卡eth0配置文件怎么办？【没有eth0】

老男孩教育视频

设置主机名（计算节点） hostnamectl set-hostname compute01

设置主机名（控制节点） hostnamectl set-hostname controller01

~~host解析（在控制节点上做）~~所有节点都做(加上之后都没有网了,隔天重启后又tdyd有网络了)

vim /etc/hosts

192.168.43.20 controller01
192.168.43.30 compute01
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远程复制到控制节点 scp -rp /etc/hosts 192.168.43.20:/etc/hosts

测试网络是否调通 ping www.baidu.com

关闭firewalld

systemctl stop firewalld

systemctl disable firewalld //开机不要自启动
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修改selinux

vim /etc/sysconfig/selinux

selinux=enforcing 改为：selinux=disabled
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关闭NetworkManager

systemctl stop NetworkManager

systemctl disable NetworkManager //开机不要自启动
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安装ntp服务

yum -y install chrony

修改配置文件：

vim /etc/chrony.conf

allow 192.168.43.0/24

systemctl enable chronyd.service 
systemctl start chronyd.service 

another node:
yum install -y chrony
修改配置文件： vim /etc/chrony.conf
server  controller01  iburst

systemctl enable chronyd.service  && systemctl start chronyd.service

验证：
控制节点：
chronyc sources
[root@controller01 ~]# chronyc sources
此时会显示四个时间同步服务器（因为还是用的原来的四个）
显示内容如下：
210 Number of sources = 4
MS Name/IP address         Stratum Poll Reach LastRx Last sample               
===============================================================================
^? time.cloudflare.com           3   8     1    98  -1195us[-1555us] +/-  125ms
^- sv1.ggsrv.de                  2   6   377    91  -1355us[-1355us] +/-  107ms
^- ntp6.flashdance.cx            2   6   373    90  +4916us[+4916us] +/-  168ms
^* 139.199.215.251               2   7   377    93   -831us[-1193us] +/-   60ms


计算节点：
[root@compute01 ~]# chronyc sources 
理应显示controller节点
如果仍显示四个时间同步服务器，则需要重启一下服务
systemctl start chronyd.service
然后chronyc sources
此时显示的内容如下：
210 Number of sources = 1
MS Name/IP address         Stratum Poll Reach LastRx Last sample               
===============================================================================
^? controller01                  0   6     0     -     +0ns[   +0ns] +/-    0ns
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配置openstack源

参考配置文件 /etc/yum.repos.d/文件 (cd /etc/yum.repos.d/)

指定阿里云的源
vim CentOS-Base.repo
--------------------------------------------------------------------------------
[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
baseurl=https://mirrors.aliyun.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#released updates 
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
baseurl=https://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
baseurl=https://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
baseurl=https://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
--------------------------------------------------------------------------------
或者安装
yum  install  epel-release
下面两个版本任选其一
=================================================================================
yum install centos-release-openstack-queens //queens版本
yum install centos-release-openstack-stein //stein版本
=================================================================================
yum upgrade –y
yum install openstack-selinux
yum install python-openstackclient

指定阿里云的源
---------------------------------------------------------------------------------
vim CentOS-OpenStack-stein.repo
baseurl=https://mirrors.aliyun.com/centos/7/cloud/x86_64/openstack-stein/
vim CentOS-Ceph-Nautilus.repo
baseurl=https://mirrors.aliyun.com/centos/7/storage/x86_64/ceph-nautilus/
vim CentOS-QEMU-EV.repo
baseurl=https://mirrors.aliyun.com/centos/7/virt/x86_64/kvm-common/
vim epel.repo
baseurl=https://mirrors.aliyun.com/epel/7/$basearch
baseurl=https://mirrors.aliyun.com/epel/7/$basearch/debug
baseurl=https://mirrors.aliyun.com/epel/7/SRPMS
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安装SQL database（控制节点上安装）

控制节点：
yum install –y mariadb mariadb-server python2-PyMySQL

修改配置文件：vim /etc/my.cnf.d/openstack.cnf 
[mysqld]
bind-address = 10.1.1.11 # 控制节点的管理IP 
default-storage-engine = innodb 
innodb_file_per_table = on 
max_connections = 4096 
collation-server = utf8_general_ci
character-set-server = utf8

服务启动并加入开启启动：
systemctl enable mariadb.service  && systemctl start mariadb.service

查看重启是否成功（查看进程状态）
ps aux | grep mysql
有mysql就可以
然后查看服务
systemctl status mariadb

初始化mysql的设置
mysql_secure_installation
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安装消息队列（控制节点上安装）

控制节点：
yum install rabbitmq-server

服务启动并加入开启启动：
systemctl enable rabbitmq-server.service  &&  systemctl start rabbitmq-server.service

添加openstack用户：
rabbitmqctl add_user openstack openstack

为openstack用户添加读写权限：
rabbitmqctl set_permissions openstack ".*" ".*" ".*"

验证是否成功（查看进程状态）
ps aux | grep rabbit
或查看端口进程（端口号是5672）
netstat -nlp | grep 5672
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安装memcached（控制节点安装缓存）

控制节点：
yum install memcached python-memcached 

编辑配置文件：vim /etc/sysconfig/memcached 
OPTIONS="-l 127.0.0.1,::1,controller01"

服务启动并设置开启启动
systemctl enable memcached.service  && systemctl start memcached.service 

验证是否成功（查看进程状态）
ps aux | grep memcached
或查看端口进程（端口号是11211）
netstat -nlp | grep 11211
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安装etcd服务：用来存储服务的基础信息

（用来存储服务的基础信息，如果需要安装则在控制节点上安装，可以不安装）

控制节点：
yum -y install etcd

修改配置文件：vim /etc/etcd/etcd.conf 
#[Member] 
ETCD_DATA_DIR="/var/lib/etcd/default.etcd" 
ETCD_LISTEN_PEER_URLS="http://controller01:2380" 
ETCD_LISTEN_CLIENT_URLS="http://controller01:2379" 
ETCD_NAME="controller01" 
#[Clustering] 
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://controller01:2380" 
ETCD_ADVERTISE_CLIENT_URLS="http://controller01:2379" 
ETCD_INITIAL_CLUSTER="controller01=http://controller01:2380" 
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01" 
ETCD_INITIAL_CLUSTER_STATE="new"

官网的配置：
#[Member] 
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="http://控制节点的IP:2380"
ETCD_LISTEN_CLIENT_URLS="http://控制节点的IP:2379"
ETCD_NAME="controller01"
#[Clustering] 
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://控制节点的IP:2380" 
ETCD_ADVERTISE_CLIENT_URLS="http://控制节点的IP:2379" 
ETCD_INITIAL_CLUSTER="controller01=http://控制节点的IP:2380" 
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01" 
ETCD_INITIAL_CLUSTER_STATE="new"

服务启动并设置开机启动
systemctl enable etcd && systemctl restart etcd
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