[libvirt] Why virsh domxml-to-native qemu-argv cut VN name

[Tal Attaly]

Hi,

I think there is a bug when running   virsh domxml-to-native qemu-argv   with 
VM with long name, it getting cut -



..  -name guest=l-dev-vrt-140-022-RH-7.0-Tal,debug-threads=on -object 
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain--1-l-dev-vrt-140-022-RH/master-key.aes
 -machine pc-i440fx-2.12,accel=kvm,usb=off,dump-guest-core=off -m 8192 
-realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid 
cb48f75c-40f6-432d-964b-906ee0bdcf48 -no-user-config -nodefaults -chardev 
socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain--1-l-dev-vrt-140-022-RH/monitor.sock,server,nowait
   ..



-name is ok, but -object and -chardev are cut, which cause QEMU to file on -

qemu-system-x86_64: -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/do

main--1-l-dev-vrt-140-022-RH/monitor.sock,server,nowait: Failed to bind socket 
to /var/lib/libvirt/qemu/doma

in--1-l-dev-vrt-140-022-RH/monitor.sock: No such file or directory



Libvirt version is 3.9.0,  here is the full domain XML -



<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>

  <name>l-dev-vrt-140-022-RH-7.0-Tal</name>

  <uuid>cb48f75c-40f6-432d-964b-906ee0bdcf48</uuid>

  <memory unit='KiB'>8388608</memory>

  <currentMemory unit='KiB'>4194304</currentMemory>

  <vcpu placement='static'>2</vcpu>

  <os>

    <type arch='x86_64' machine='pc-i440fx-2.12'>hvm</type>

    <boot dev='hd'/>

  </os>

  <features>

    <acpi/>

    <apic/>

    <pae/>

  </features>

  <clock offset='utc'/>

  <on_poweroff>destroy</on_poweroff>

  <on_reboot>restart</on_reboot>

  <on_crash>restart</on_crash>

  <devices>

    <emulator>x86_64-softmmu/qemu-system-x86_64</emulator>

    <disk type='file' device='disk'>

      <driver name='qemu' type='qcow2' cache='none'/>

      <source file='/images/l-dev-vrt-140-022/l-dev-vrt-140-022.img'/>

      <target dev='hda' bus='ide'/>

      <address type='drive' controller='0' bus='0' target='0' unit='0'/>

    </disk>

    <controller type='usb' index='0'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x2'/>

    </controller>

    <controller type='ide' index='0'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x1'/>

    </controller>

    <controller type='pci' index='0' model='pci-root'/>

    <interface type='bridge'>

      <mac address='00:50:56:18:8c:16'/>

      <source bridge='br0:'/>

      <model type='e1000'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' 
function='0x0'/>

    </interface>

    <serial type='pty'>

      <target type='isa-serial' port='0'>

        <model name='isa-serial'/>

      </target>

    </serial>

    <console type='pty'>

      <target type='serial' port='0'/>

    </console>

    <input type='mouse' bus='ps2'/>

    <input type='keyboard' bus='ps2'/>

    <graphics type='vnc' port='-1' autoport='yes'>

      <listen type='address'/>

    </graphics>

    <video>

      <model type='cirrus' vram='16384' heads='1' primary='yes'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' 
function='0x0'/>

    </video>

    <memballoon model='virtio'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' 
function='0x0'/>

    </memballoon>

  </devices>

</domain>


Thanks,
Tal


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