Shell script creates a virtual machine and configures the network card IP address (two scripts)

###################### #脚本1: Creating a virtual machine kvm#########################
#!/bin/bash
Qcow2_dir=/var/lib/libvirt/images
Read-p "Please enter the virtual machine number:" Num #主机号
If [$num-lt 9];then
Num=0$num # #主机号
Fi
If [-Z ' $num '];then
echo "Error Output"
Exit 1
Fi
Kvm_name=host$num #主机名字
echo "Creating image ...."
Qemu-img create-f qcow2-b ${qcow2_dir}/rhel7.4.qcow2 ${qcow2_dir}/${kvm_name}.qcow2 &>/dev/null # # #镜像文件
Echo-e "\e[32;1m[ok]\e[0m"
Cat/etc/libvirt/qemu/rhel7.4.xml >/etc/libvirt/qemu/${kvm_name}.xml # #描述文件
Sed-i "/<name>rhel7.4/s/rhel7.4/${kvm_name}/"/etc/libvirt/qemu/${kvm_name}.xml
Sed-i "/&LT;UUID&GT;/D"/etc/libvirt/qemu/${kvm_name}.xml
Sed-i "/<source/s/rhel7.4.qcow2/${kvm_name}.qcow2/"/etc/libvirt/qemu/${kvm_name}.xml
Sed-i "/<mac address=/d"/etc/libvirt/qemu/${kvm_name}.xml #删除mac地址, motorized automatic generation
Virsh Define/etc/libvirt/qemu/${kvm_name}.xml &>/dev/null
echo "Creating Virtual machine ..."
Echo-e "\e[32;1m[ok]\e[0m"
################### #脚本2: eth0 nic with IP address #####################
#!/bin/bash
Clear
Mountpoint= "/media/virimage"
#判断不存在挂载目录
[!-D $mountpoint] && mkdir $mountpoint
#如果有设备挂载到该挂载点, the first umount uninstall
If Mount |grep-q "$mountpoint"; then
Umount $mountpoint
Fi
Virsh List--all
Read-p "Enter virtual machine name:"
echo "Please later ..."
#将虚拟机的磁盘文件挂载到/media/virtimage Directory
guestmount-d $name-I $mountpoint
echo "---------------------------------------"
Read-p "Please enter the IP address to configure:" IP
Read-p "Please enter the number of subnet mask bits to configure:" num
#静态地址
Sed-i "s; (bootproto=). ; \1none; "${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0
#开机自起
Sed-i "s; (onboot=).; \1yes; "${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0
#如果ip地址不存在, add an IP address
Grep-q "ipaddr" ${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0 | | echo "Ipaddr= $ip" >> ${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0
#如果ip地址存在
Sed-i "s; (ipaddr=). ; \1$ip; "${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0
#如果子网掩码不存在, add a subnet mask
Grep-q "PREFIX" ${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0 | | echo "prefix= $num" >> ${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0
#如果子网掩码存在
Sed-i "s; (prefix=).; \1$num; "${mountpoint}/etc/sysconfig/network-scripts/ifcfg-eth0
echo "Ifup eth0" >> ${mountpoint}/etc/rc.d/rc.local
chmod +x ${mountpoint}/etc/rc.d/rc.local
Umount ${mountpoint}
Sleep 0.5
Virsh start $name

Shell script creates a virtual machine and configures the network card IP address (two scripts)