kvm+webvirtmgr在centos7上的部署

#!/bin/bash

#+++++++++++++++++++++++++++++++++++++++++++++++++++++++安装配置kvm并创建虚拟机+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

#验证cpu是否支持kvm

egrep '(vmx|svm)' /proc/cpuinfo

#然后需要在bios设置中打开cpu virtual technology!!!!!!!

#关闭selinux

vi /etc/sysconfig/selinux

selinux=disabled

#关闭防火墙

systemctl stop firewalld

systemctl disable firewalld

#更换yum源(可选,一般不用换)

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

yum makecache

#安装依赖环境

yum install epel-release net-tools vim unzip zip wget ftp -y

#安装kvm及其依赖项

yum install qemu-kvm libvirt virt-install bridge-utils -y

#验证安装结果

lsmod | grep kvm

#开启kvm服务，并且设置其开机自动启动

systemctl start libvirtd

systemctl enable libvirtd

#配置网络桥接模式

#手动修改配置网桥模式，先将 /etc/sysconfig/network-scripts/ 目录下的网卡配置文件备份一份(不要备在当前目录以及子目录下，其他目录随意)

#a. 创建 ifcfg-br0 文件，内容如下：

BOOTPROTO=static

DEVICE=br0

TYPE=Bridge

NM_CONTROLLED=no

IPADDR=192.168.1.95

NETMASK=255.255.255.0

GATEWAY=192.168.1.1

DNS1=61.177.7.1

DNS2=8.8.8.8

#b. 移除掉原来的 ifcfg-enp0s25 ,重新创建该文件，内容如下：

BOOTPROTO=none

DEVICE=enp0s25

NM_CONTROLLED=no

ONBOOT=yes

BRIDGE=br0

#c.重启网络服务

systemctl restart network

#安装虚拟机

#准备虚拟机镜像文件,把该文件放到 /home/iso（没有可创建）目录下

#创建虚拟机

mkdir -p /home/kvm-bak

virt-install -n xiaocanan_media -r 4096 --vcpus=4 --os-type=linux --accelerate -c /home/iso/CentOS-7-x86_64-Minimal-1611.iso --disk path=/home/vmdisk_pool/xiaocanan_media.img,format=qcow2,bus=ide --network bridge=br0 --vnc --vncport=5993 --vnclisten=0.0.0.0 --force --autostart

#关闭防火墙

systemctl stop firewalld

systemctl disable firewalld

#关闭selinux

vi /etc/sysconfig/selinux

selinux=disabled

#用vnc连接虚拟机,进行虚拟机操作系统的安装

#手动启动虚拟机

virsh list --all

virsh start virt-centos

#++++++++++++++++++++++++++++++++++++++++++++++++++++++++安装配置webvirtmgr+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

#yum源的配置及所需软件包

yum -y install http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-8.noarch.rpm #repo源,可选

yum -y install git python-pip libvirt-python libxml2-python python-websockify supervisor nginx

yum -y install gcc python-devel

#更换pip源

vi ~/.pip/pip.conf

[global]

index-url = https://pypi.douban.com/simple

#安装numpy

pip install numpy

#下载webvirtmgr源码 from git

mkdir /application/

cd /application/

git clone git://github.com/retspen/webvirtmgr.git

#sqlite3数据库安装

cd /application/

wget http://www.sqlite.org/sqlite-3.5.6.tar.gz

cd sqlite-3.5.6/

./configure --disable-tcl

make

make install

#webvirtmgr安装

cd /application/webvirtmgr

pip install -r requirements.txt

./manage.py syncdb

./manage.py collectstatic

./manage.py createsuperuser #创建super用户可选

#webvirtmgr配置

mkdir -pv /var/www

cp -Rv /application/webvirtmgr /var/www/webvirtmgr

vim /etc/nginx/conf.d/webvirtmgr.conf

server {

listen 80 default_server;

server_name $hostname;

#access_log /var/log/nginx/webvirtmgr_access_log;

location /static/ {

root /var/www/webvirtmgr/webvirtmgr; # or /srv instead of /var

expires max;

}

location / {

proxy_pass http://127.0.0.1:8000;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-for $proxy_add_x_forwarded_for;

proxy_set_header Host $host:$server_port;

proxy_set_header X-Forwarded-Proto $remote_addr;

proxy_connect_timeout 600;

proxy_read_timeout 600;

proxy_send_timeout 600;

client_max_body_size 1024M; # Set higher depending on your needs

}

#确保bind绑定的端口是本机的8000端口

grep '^bind =' /var/www/webvirtmgr/conf/gunicorn.conf.py

#注释掉 /etc/nginx/nginx.conf server内容

systemctl restart nginx.service

systemctl enable nginx.service

*/9-/*

#kvm被管理端配置

vi /etc/sysconfig/libvirtd #取消以下字段的注释

LLIBVIRTD_CONFIG=/etc/libvirt/libvirtd.conf

LIBVIRTD_ARGS="--listen"

vi /etc/libvirt/libvirtd.conf #取消以下字段的注释并修改

listen_tls = 0

listen_tcp = 1

tcp_port = "16509"

listen_addr = "0.0.0.0"

auth_tcp = "none"

systemctl restart libvirtd.service

#设置ssh免密登录

1. vi /etc/ssh/sshd_config

RSAAuthentication yes #新版本ssh可能不需要配置此项

　　PubkeyAuthentication yes

　　AuthorizedKeysFile .ssh/authorized_keys

2.重启sshd服务:systemctl restart sshd

3.生成证书公私钥

ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa

cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

4.chmod 600 ~/.ssh/authorized_keys

#免密登录远程服务器

cat ~/.ssh/id_rsa.pub | ssh 远程用户名@远程服务器ip 'cat - >> ~/.ssh/authorized_keys'

#启动webvirtmgr server

nohup /var/www/webvirtmgr/manage.py runserver 0:8000

nohup /var/www/webvirtmgr/console/webvirtmgr-console

#设置webvirtmgr和webvirtmgr-console开机自启动脚本

nohup /var/www/webvirtmgr/manage.py runserver 0:8000 &

nohup /var/www/webvirtmgr/console/webvirtmgr-console &

#切记!!!! webvirtmgr第一次一定要手动运行,不然会提示密码验证失败

#切记!!!! 使用webvirtmgr创建windows虚拟机时不能选virtio,因为没有相应驱动的话,硬盘和网卡都会无法识别

#webvirtmgr web地址 http://本机ip:8000

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kvm+webvirtmgr在centos7上的部署