libvirt xml 模板

Myth丶恋晨 2023-02-25 10:21 4阅读 0赞

<domain type='kvm'>
        <name>node-br0</name> //虚拟机名称
        <memory unit='GiB'>2</memory> //最大内存，单位M
        <currentMemory unit='GiB'>2</currentMemory> //可用内存，单位M
        <vcpu>2</vcpu> //虚拟cpu个数
        <os>
            <type arch='x86_64' machine='pc'>hvm</type>
            <boot dev='cdrom'/> //ISO文件启动
        </os>
        <features>
            <acpi/>
            <apic/>
            <pae/>
        </features>
        <clock offset='localtime'/>
        <on_poweroff>destroy</on_poweroff>
        <on_reboot>restart</on_reboot>
        <on_crash>destroy</on_crash>
        <devices>
            <emulator>/usr/bin/qemu-system-x86_64</emulator> //KVM启动程序，ubuntu版本
            <disk type='file' device='disk'>
                <driver name='qemu' type='qcow2'/>
                <source file='/home/prj1/ubuntu2.qcow2'/> //目的镜像路径
                <target dev='sda' bus='scsi'/>
                <address type='drive' controller='0' bus='0' target='0' unit='0'/> //硬盘使用virtio-scsi驱动，模拟scsi硬盘，建议使用
            </disk>
            <controller type='scsi' index='0' model='virtio-scsi'/> //使用virtio-scsi配置，必须
            <disk type='file' device='cdrom'>
                <driver name='qemu' type='raw'/>
    	    <source file='/root/vm_prj1/ubuntu.iso'/>
                <target dev='hda' bus='ide'/>
                <readonly/>
                <address type='drive' controller='0' bus='1' target='0' unit='0'/>
            </disk>
            <interface type='bridge'> 
    	    <source bridge='br0'/>
                <model type='virtio'/>
                <mac address='00:17:3E:64:01:00'/> //为虚拟机分配mac地址，务必唯一，否则dhcp获得同样ip,引起冲突
                <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> 
            </interface>
            <input type='mouse' bus='ps2'/>
            <graphics type='vnc' port='5900' autoport='yes' listen = '0.0.0.0' keymap='en-us'/>//vnc方式登录，端口号自动分配，自动加1，可以通过virsh vncdisplay来查询
            <video>
                <model type='cirrus' vram='9216' heads='1'/>
                <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
            </video>
            <memballoon model='virtio'>
                <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
            </memballoon>
            <serial type='pty'>
                <target port='0'/>
            </serial>
            <console type='pty'>
                <target type='serial' port='0'/>
            </console>
        </devices>
    </domain>
    ``