HQY 一个和谐有爱的空间

#!/usr/bin/env bash# **********************************************************# * Author        : Qingcailangren# * Create time   : 2024-10# * Filename      : kvm_install.sh# * Description   : kvm虚拟化环境部署# **********************************************************

function check_root(){  if [ $UID -ne 0 ];then      echo "请使用root用户执行脚本"      exit 1  fi}

function check_cpu(){  if grep -E 'vmx|svm' /proc/cpuinfo 1>/dev/null ;then      echo "cpu已启用虚拟化"  else      echo "cpu未启用虚拟化,请开启后再试"      exit 1  fi}

function install_kvm(){  dnf install epel-release -y 1>/dev/null  dnf install qemu-kvm libvirt libvirt-daemon virt-install virt-manager libvirt-dbus -y 1>/dev/null  if [ "$?" -eq 0 ];then      echo -e "kvm虚拟化环境安装成功"  else      echo -e "kvm虚拟化环境安装失败\n"      exit 1  fi}

function init_service(){
    nmcli c add type bridge con-name br0 ifname br0    nmcli c add type bridge-slave con-name br0-slave ifname ${eth} master br0    nmcli c modify br0 ipv4.method manual ipv4.addresses ${ipadd} ipv4.gateway ${gw} ipv4.dns ${dns}    nmcli c down ${eth}    nmcli c reload    nmcli c up br0 1>/dev/null
    sed -i 's/^#vnc_listen = .*/vnc_listen = "0.0.0.0"/' /etc/libvirt/qemu.conf
    echo "net.ipv4.ip_forward = 1" >>/etc/sysctl.conf    sysctl -p
    systemctl restart libvirtd}
#Ubuntufunction kvm_ubuntu(){  apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virtinst virt-manager virt-viewer -y 1>/dev/null  if [ "$?" -eq 0 ];then      echo -e "kvm虚拟化环境安装成功"  else      echo -e "kvm虚拟化环境安装失败\n"      exit 1  fi}


function check_os(){  echo -e "----正在检测操作系统----\n"  if [ -f /etc/redhat-release ];then      echo -e "----当前操作系统为Rocky Linux----\n"      install_kvm  elif [ -f /etc/lsb-release ];then      echo -e "----当前操作系统为Ubuntu----\n"      kvm_ubuntu      sed -i 's/#user = "root"/user = "root"/;s/#group = "root"/group = "root"/' /etc/libvirt/qemu.conf      adduser ${user} libvirt      adduser ${user} kvm  else      echo -e "----当前操作系统不支持该脚本,请自行修改测试----\n"      exit 1  fi}
#设置网卡,ip地址，网关，dnseth="ens37"ipadd="192.168.10.44/24"gw="192.168.10.1"dns="114.114.114.114"user="test"
function main(){  check_root  echo -e "----正在检查cpu是否支持虚拟化----\n"  check_cpu  echo -e "----正在安装kvm虚拟化环境----\n"  check_os  echo -e "----正在初始化服务----\n"  init_service  echo "------为了确保所有配置生效,建议重启系统------"}
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