[libvirt-users] how to modify virsh vm start script

[Martin Kletzander]

On Tue, Nov 25, 2014 at 12:46:41PM +0900, Ady Wahyudi Paundu wrote:
>I use libvirt to manage a QEMU/KVM system. Starting a VM only by using
>  > virsh start vmname
>What I want to know is how to add an option to virsh vm's start
>script, in my case I want to add QEMU logging option (-d and -D). I
>can see from
>  > ps aux | grep qemu
>that current VM started using virsh not including those options
>

This is not supported in our XML, but you can use passthrough of
arbitrary options:

http://libvirt.org/drvqemu.html

E.g.:

<domain type='qemu'
 xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
 ...
  <qemu:commandline>
    <qemu:arg value='-d'/>
    <qemu:arg value='cpu'/>
  </qemu:commandline>
  ...
</domain>

Martin
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