一、webvirtmgr介绍及环境说明
温馨提示：安装KVM是需要2台都操作的，因为我们是打算将2台都设置为宿主机所有都需要安装KVM相关组件
github地址https://github.com/retspen/webvirtmgr
WebVirtMgr是一个基于libvirt的Web界面，用于管理虚拟机。它允许您创建和配置新域，并调整域的资源分配。VNC查看器为来宾域提供完整的图形控制台。KVM是目前唯一支持的虚拟机管理程序。
查看服务器版本号
代码语言：javascript复制[root@webc ~]# cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)内核版本
代码语言：javascript复制[root@webc ~]# uname -r
3.10.0-1160.42.2.el7.x86_64关闭Selinux & 防火墙
代码语言：javascript复制[root@webc ~]# systemctl stop firewalld
[root@webc ~]# systemctl disable firewalld
[root@webc ~]# setenforce 0
setenforce: SELinux is disabled
[root@webc ~]# sed -i '/SELINUX/s/enforcing/disabled/' /etc/selinux/config更新软件包并安装epel扩展源
代码语言：javascript复制[root@webc ~]# yum update
[root@webc ~]# yum install epel*查看python版本
代码语言：javascript复制[root@webc ~]# python -V
Python 2.7.5
[root@webc ~]#查看KVM 驱动是否加载
代码语言：javascript复制[root@webc ~]# lsmod | grep kvm
kvm_intel 188740 0
kvm 637515 1 kvm_intel
irqbypass 13503 1 kvm
[root@webc ~]#
[root@webc ~]#
[root@webc ~]# modprobe -a kvm
[root@webc ~]# modprobe -a kvm_intel
[root@webc ~]#免密配置
代码语言：javascript复制[root@webc ~]# ssh-keygen
[root@webc ~]# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.1.104二、安装KVM
安装KVM依赖包及管理工具
kvm属于内核态，不需要安装。但是需要一些管理工具包
代码语言：javascript复制[root@webc ~]# yum install qemu-img qemu-kvm qemu-kvm-tools virt-manager virt-viewer virt-v2v virt-top libvirt libvirt-Python libvirt-client python-virtinst bridge-utils tunctl
[root@webc ~]# yum install -y virt-install
[root@webc ~]#
[root@webc ~]# systemctl start libvirtd.service
[root@webc ~]# systemctl enable libvirtd.service
[root@webc ~]#
[root@webc ~]# cd cby/kvm/
[root@webc kvm]#
[root@webc kvm]#
[root@webc kvm]# git clone https://github.com/palli/python-virtinst.git
[root@webc kvm]# cd python-virtinst/
[root@webc python-virtinst]# python setup.py install
[root@webc python-virtinst]# virt-install
[root@webc python-virtinst]# yum install bridge-utils
[root@webc python-virtinst]#
[root@webc python-virtinst]# vim /etc/sysconfig/network-scripts/ifcfg-br0
[root@webc python-virtinst]#
[root@webc python-virtinst]#
[root@webc python-virtinst]#
[root@webc python-virtinst]#
[root@webc python-virtinst]#
[root@webc python-virtinst]# cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=static
IPADDR=192.168.1.49
NETMASK=255.225.255.0
GATEWAY=192.168.1.1
DNS1=192.168.1.1
[root@webc python-virtinst]# brctl show
bridge name bridge id STP enabled interfaces
br-0d093958d245 8000.0242d5824d14 no
br-2e2d3c481379 8000.0242884030e2 no
br-36a6ad3375a8 8000.0242d7d7f1ef no
br-66a9675a6dd5 8000.024248a61c72 no
br-b7daf4844ff7 8000.024263dd4715 no
br-deba197eb09e 8000.0242b290e104 no
br0 8000.000000000000 no
docker0 8000.0242858c017c no vethe14f7ac
docker_gwbridge 8000.0242588c6db0 no
virbr0 8000.5254009ba65a yes virbr0-nic
[root@webc python-virtinst]# ln -s /usr/libexec/qemu-kvm /usr/sbin/
三、WebVirtMgr 安装
安装pip、git及supervisor && Nginx
WebVirtMgr只在管理端安装
代码语言：javascript复制[root@webc ~]# yum -y install git python-pip libvirt-python libxml2-python python-websockify supervisor gcc python-devel
使用pip安装Python扩展程序库
代码语言：javascript复制[root@webc ~]# pip install numpy
git克隆配置并运行WebVirMgr
代码语言：javascript复制[root@webc ~]# cd cby/
[root@webc cby]# mkdir kvm
[root@webc cby]# cd kvm
[root@webc kvm]# pwd
/root/cby/kvm
[root@webc kvm]#
[root@webc kvm]# git clone git://github.com/retspen/webvirtmgr.git
正克隆到 'webvirtmgr'...
remote: Enumerating objects: 5614, done.
remote: Total 5614 (delta 0), reused 0 (delta 0), pack-reused 5614
接收对象中: 100% (5614/5614), 2.97 MiB | 748.00 KiB/s, done.
处理 delta 中: 100% (3606/3606), done.
[root@webc kvm]#
[root@webc kvm]#
[root@webc kvm]# cd webvirtmgr
[root@webc webvirtmgr]# pip install -r requirements.txt#初始化环境
[root@webc webvirtmgr]# ./manage.py syncdb
#配置Django 静态页面
[root@webc webvirtmgr]# ./manage.py collectstatic启动WebVirMgr
前台启动WebVirMgr，默认是Debug模式同时日志打印在前台
用户名和密码是我们刚刚创建的
下载Nginx
代码语言：javascript复制[root@webc webvirtmgr]# cd ..
[root@webc kvm]# ls
webvirtmgr
[root@webc kvm]#
[root@webc kvm]# mkdir nginx
[root@webc kvm]# cd nginx
[root@webc nginx]# wget https://nginx.org/download/nginx-1.20.1.tar.gz
[root@webc nginx]# tar xf nginx-1.20.1.tar.gz
[root@webc nginx]# cd nginx-1.20.1/
[root@webc nginx-1.20.1]#修改nginx配置文件
代码语言：javascript复制[root@webc conf]# vim nginx.conf
[root@webc conf]#
[root@webc conf]# cat nginx.conf
user root;
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
server {
listen 90;
server_name 192.168.1.104;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
#root html;
#index index.html index.htm;
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 5120M;
}
location /static/ {
root /root/cby/kvm/webvirtmgr;
expires max;
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
}
[root@webc conf]#安装Nginx
代码语言：javascript复制[root@webc nginx-1.20.1]# yum install -y gcc glibc gcc-c prce-devel openssl-devel pcre-devel
[root@webc nginx-1.20.1]# useradd -s /sbin/nologin nginx -M
[root@webc nginx-1.20.1]# ./configure --prefix=/root/cby/kvm/nginx/ --user=nginx --group=nginx --with-http_ssl_module --with-http_stub_status_module
[root@webc nginx-1.20.1]# make && make install启动Nginx
代码语言：javascript复制[root@webc nginx-1.20.1]# cd /root/cby/kvm/nginx/sbin/
[root@webc sbin]# /root/cby/kvm/nginx/sbin/nginx -t
nginx: the configuration file /root/cby/kvm/nginx//conf/nginx.conf syntax is ok
nginx: configuration file /root/cby/kvm/nginx//conf/nginx.conf test is successful
[root@webc sbin]# /root/cby/kvm/nginx/sbin/nginx使用systemctl启停服务
代码语言：javascript复制[root@webc sbin]# cat > /etc/supervisord.d/webvirtmgr.ini << EOF
[program:webvirtmgr]
command=/usr/bin/python /root/cby/kvm/webvirtmgr/manage.py run_gunicorn -c /root/cby/kvm/webvirtmgr/conf/gunicorn.conf.py
directory=/root/cby/kvm/webvirtmgr
autostart=true
autorestart=true
logfile=/var/log/supervisor/webvirtmgr.log
log_stderr=true
user=root
[program:webvirtmgr-console]
command=/usr/bin/python /root/cby/kvm/webvirtmgr/console/webvirtmgr-console
directory=/root/cby/kvm/webvirtmgr
autostart=true
autorestart=true
stdout_logfile=/var/log/supervisor/webvirtmgr-console.log
redirect_stderr=true
user=root
EOF启动supervisor
代码语言：javascript复制[root@webc webvirtmgr]# systemctl daemon-reload
[root@webc webvirtmgr]# systemctl stop supervisord
[root@webc webvirtmgr]# systemctl start supervisord查看是否启动成功
代码语言：javascript复制[root@webc webvirtmgr]# supervisorctl status
webvirtmgr RUNNING pid 23783, uptime 0:00:11
webvirtmgr-console RUNNING pid 23782, uptime 0:00:11
[root@webc webvirtmgr]#
四、Web界面配置webvirtmgr
4.1 添加主机设置存储
1.Add Connection 添加宿主机(即KVM主机)
2.点击SSH连接
3.Label 为主机名，必须为主机名做免密
4.IP 为宿主机IP
5.用户名为服务器用户名
6.点击添加
