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Re: [Qemu-discuss] [libvirt] Not able to run "virsh qemu-agent-command"

From: Puneet Bakshi
Subject: Re: [Qemu-discuss] [libvirt] Not able to run "virsh qemu-agent-command" when socat is working
Date: Sat, 5 Jul 2014 23:23:47 +0530

Sorry, that was a typo. But, it is still not working. (For some reason, I had to move to Windows2012 with name vm_win_05).

address@hidden virtio-win]# echo "{'execute':'guest-ping'}" | socat stdio,ignoreeof /var/lib/libvirt/qemu/g05.agent
{"return": {}}

address@hidden virtio-win]# virsh qemu-agent-command vm_win_05 '{ "execute":"guest-ping"}'

address@hidden virtio-win]#


On Wed, Jul 2, 2014 at 10:09 PM, Eric Blake <address@hidden> wrote:
On 07/02/2014 01:13 AM, Puneet Bakshi wrote:
> Hi,
> I am running qemu guest agent in Windows 2k8. I am able to execute
> "qemu-agent-commands" using socat but not through "virsh
> qemu-agent-command".

> *Host CentOS system*
> socat returns response appropriately.
>     address@hidden ~]# echo "{'execute':'guest-ping'}" | socat
> stdio,ignoreeof /var/lib/libvirt/qemu/g06.agent
>     {"return": {}}

Note your spelling...

> *"virsh qemu-agent-command" returns blank.*
>     address@hidden ~]# virsh qemu-agent-command vm_win_06 '{ "execute":
> "guest_ping"}'

and compare it to here.  There is no guest_ping command, only
guest-ping.  It's a bug in libvirt that guest-agent-command doesn't
output a useful error message when attempting to run a non-existing
command, but you'll never hit that bug if you pass valid commands to the
agent in the first place.

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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