1、模版xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit node1
or other application using the libvirt API.
-->
<domain type=‘kvm‘>
<name>node1</name>
<uuid>fb0d1a74-26c5-4734-87b9-3d8f87ea5eb4</uuid>
<memory unit=‘KiB‘>1048576</memory>
<currentMemory unit=‘KiB‘>1048576</currentMemory>
<vcpu placement=‘static‘>1</vcpu>
<os>
<type arch=‘x86_64‘ machine=‘pc-i440fx-rhel7.0.0‘>hvm</type>
<boot dev=‘hd‘/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode=‘custom‘ match=‘exact‘>
<model fallback=‘allow‘>Haswell-noTSX</model>
</cpu>
<clock offset=‘utc‘>
<timer name=‘rtc‘ tickpolicy=‘catchup‘/>
<timer name=‘pit‘ tickpolicy=‘delay‘/>
<timer name=‘hpet‘ present=‘no‘/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<pm>
<suspend-to-mem enabled=‘no‘/>
<suspend-to-disk enabled=‘no‘/>
</pm>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type=‘file‘ device=‘disk‘>
<driver name=‘qemu‘ type=‘qcow2‘/>
<source file=‘/var/lib/libvirt/images/centos7.0.qcow2‘/>
<target dev=‘hda‘ bus=‘ide‘/>
<address type=‘drive‘ controller=‘0‘ bus=‘0‘ target=‘0‘ unit=‘0‘/>
</disk>
<controller type=‘usb‘ index=‘0‘ model=‘ich9-ehci1‘>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x06‘ function=‘0x7‘/>
</controller>
<controller type=‘usb‘ index=‘0‘ model=‘ich9-uhci1‘>
<master startport=‘0‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x06‘ function=‘0x0‘ multifunction=‘on‘/>
</controller>
<controller type=‘usb‘ index=‘0‘ model=‘ich9-uhci2‘>
<master startport=‘2‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x06‘ function=‘0x1‘/>
</controller>
<controller type=‘usb‘ index=‘0‘ model=‘ich9-uhci3‘>
<master startport=‘4‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x06‘ function=‘0x2‘/>
</controller>
<controller type=‘pci‘ index=‘0‘ model=‘pci-root‘/>
<controller type=‘ide‘ index=‘0‘>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x01‘ function=‘0x1‘/>
</controller>
<controller type=‘virtio-serial‘ index=‘0‘>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x05‘ function=‘0x0‘/>
</controller>
<interface type=‘network‘>
<mac address=‘52:54:00:ff:01:01‘/>
<source network=‘private1‘/>
<model type=‘virtio‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x03‘ function=‘0x0‘/>
</interface>
<interface type=‘network‘>
<mac address=‘52:54:00:7e:01:02‘/>
<source network=‘private2‘/>
<model type=‘virtio‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x08‘ function=‘0x0‘/>
</interface>
<interface type=‘network‘>
<mac address=‘52:54:00:b3:01:03‘/>
<source network=‘public1‘/>
<model type=‘virtio‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x09‘ function=‘0x0‘/>
</interface>
<interface type=‘network‘>
<mac address=‘52:54:00:62:01:04‘/>
<source network=‘public2‘/>
<model type=‘virtio‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x0a‘ function=‘0x0‘/>
</interface>
<serial type=‘pty‘>
<target port=‘0‘/>
</serial>
<console type=‘pty‘>
<target type=‘serial‘ port=‘0‘/>
</console>
<channel type=‘spicevmc‘>
<target type=‘virtio‘ name=‘com.redhat.spice.0‘/>
<address type=‘virtio-serial‘ controller=‘0‘ bus=‘0‘ port=‘1‘/>
</channel>
<input type=‘mouse‘ bus=‘ps2‘/>
<input type=‘keyboard‘ bus=‘ps2‘/>
<graphics type=‘spice‘ autoport=‘yes‘>
<image compression=‘off‘/>
</graphics>
<sound model=‘ich6‘>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x04‘ function=‘0x0‘/>
</sound>
<video>
<model type=‘qxl‘ ram=‘65536‘ vram=‘65536‘ vgamem=‘16384‘ heads=‘1‘/>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x02‘ function=‘0x0‘/>
</video>
<redirdev bus=‘usb‘ type=‘spicevmc‘>
</redirdev>
<redirdev bus=‘usb‘ type=‘spicevmc‘>
</redirdev>
<memballoon model=‘virtio‘>
<address type=‘pci‘ domain=‘0x0000‘ bus=‘0x00‘ slot=‘0x07‘ function=‘0x0‘/>
</memballoon>
</devices>
</domain>
2、后端镜像文件
3、创建脚本
[[email protected] OMC]# cat /home/jy/kvm/cmd/clonevm.sh
#/bin/bash
#参数接收
#虚拟机器名字
DomName=$1
if [ -z $DomName ];then
echo "please input vm name!"
exit 9
fi
UUID=$(uuidgen)
#设置存储池位置
IMGDIR="/var/lib/libvirt/images"
# 设置后端镜像目录
IMG_BK_DIR="/var/lib/libvirt/images/bkimg"
#vmXML模板路径
VM_XMLPATH="/home/jy/kvm/cmd/xmltmpl/centos7.xml"
#vm config path
VM_XML_SYSPATH="/etc/libvirt/qemu"
#虚拟机序号存储文件目录
VM_CODEFILE="/home/jy/kvm/cmd/xmltmpl/vmcode.txt"
STARTNUM=`cat $VM_CODEFILE`
#获取当前要创建机器的编码01-09,10-19,20-29,30-39
TO_CREATE_VMNO=$[STARTNUM+1]
tmpNum=0
if [ $TO_CREATE_VMNO -lt 10 ];then
tmpNum="0$TO_CREATE_VMNO"
else
tmpNum="$TO_CREATE_VMNO"
fi
MAC_START_PREFIX="52:54:00:ff:$tmpNum"
#linux tmpl name
LINUX_BACK_IMG="centos7.0.qcow2"
echo "start create vm...."
echo "current vm start mac is $MAC_START_PREFIX"
#检查是否存在
if [ -f "$IMGDIR/$DomName.qcow2" ];then
echo "please check vm name,probably already exist!"
exit 1
fi
cp $VM_XMLPATH /mnt/tmplvm.xml
sed -i "s#<name>.*</name>#<name>$DomName</name>#" /mnt/tmplvm.xml
sed -i "s#<uuid>.*</uuid>#<uuid>$UUID</uuid>#" /mnt/tmplvm.xml
IMGNAME="\/var\/lib\/libvirt\/images\/$DomName.qcow2"
sed -i "s/<source file=‘.*\.qcow2‘\/>/<source file=‘$IMGNAME‘ \/>/" /mnt/tmplvm.xml
sed -i "s/<mac address=‘\(.\{2\}\):\(.*\):\(.*\):\(.*\):\(.\{2\}\):\(.*\)‘\/>/<mac address=‘$MAC_START_PREFIX:\6‘\/>/" /mnt/tmplvm.xml
#创建前端镜像，以后备os7为模版
qemu-img create -f qcow2 -b $IMG_BK_DIR/$LINUX_BACK_IMG $IMGDIR/$DomName.qcow2 25G &>/dev/null
sleep 3
cp /mnt/tmplvm.xml $VM_XML_SYSPATH/$DomName.xml
virsh define $VM_XML_SYSPATH/$DomName.xml
echo $TO_CREATE_VMNO > $VM_CODEFILE
echo "create vm success!"
virt-manager
#复制模版XML，修改名称，UUID，网卡MAC(机器编码xx:xx:xx:xx:01(第一台机器，02第二台机器):xx)
原文地址：https://www.cnblogs.com/justart/p/11520335.html