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70 lines
1.9 KiB
70 lines
1.9 KiB
#!/usr/bin/bash
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<<!
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editor : NewRain
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date : 2022-08-15
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for kvm service install
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!
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INTERFACE_NAME="ens33"
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color(){
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unset c
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declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)
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#echo -e "\033[${c[$1]}m[`date +%T`]($1) $2\033[0m"
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printf "\033[${c[$1]}m%-10s%-10s %-30s\033[0m\n" "[`date +%T`]" "($1)" "$2"
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sleep 0.5
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}
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clean(){
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color Info "开始进行环境清理"
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yum remove `rpm -qa | egrep 'qemu|virt|kvm'` -y
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rm -rf /var/lib/libvirt /etc/libvirt/
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}
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upgrade(){
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if [ -f /etc/centos-release ];then
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color Success "检测到系统为centos"
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level=$(awk '{print $4}' /etc/centos-release | awk -F'.' '{print $2}')
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if [ $level -le 7 ];then
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color Warning "准备进行内核升级，ctrl^c退出"
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yum upgrade
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reboot
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else
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color Success "系统版本符合要求，开始进行kvm安装"
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fi
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else
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color Error "请使用centos系统运行次脚本"
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exit 1
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fi
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}
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main(){
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color Info "开始安装KVM服务"
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yum install -y librbd1-devel qemu-kvm libvirt virt-manager virt-install libguestfs-tools
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cat > /etc/sysconfig/network-scripts/ifcfg-br0 <<EOF
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TYPE=Bridge
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NAME=br0
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DEVICE=br0
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ONBOOT="yes"
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BOOTPROTO=static
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IPADDR=$(ip a show dev ${INTERFACE_NAME} | awk '/\<inet\>/{print $2}' | awk -F'/' '{print $1}')
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GATEWAY=$(ip r show dev ${INTERFACE_NAME} | awk '/default/{print $3}')
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PREFIX=$(ip a show dev ${INTERFACE_NAME} | awk '/\<inet\>/{print $2}' | awk -F'/' '{print $2}')
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DNS1=114.114.114.114
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DNS2=8.8.8.8
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EOF
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cat > /etc/sysconfig/network-scripts/ifcfg-${INTERFACE_NAME} <<EOF
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NAME=${INTERFACE_NAME}
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DEVICE=${INTERFACE_NAME}
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ONBOOT=yes
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BRIDGE=br0
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EOF
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echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf && sysctl -p
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systemctl enable libvirtd --now
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brctl stp br0 on
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color Success "安装并启动完成"
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systemctl restart network
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}
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main
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