[ovirt-devel] Re: Getting info about qemu guest agent into the engine
On 16 Nov 2018, at 11:22, Tomasz Barański <tbaransk(a)redhat.com>
wrote:
Hello, wise people!
As a part of BZ1615830[1] I want to add information about qemu guest agent
to engine's DB. I have some trouble figuring out some details.
1. VDSM seems to be using QGA, but it does not report any information about
it. Am I right?
what do you mean to report any information? There are guest agent reported fields which
are either there or not
One such field is appsList which returns the agent itself (well, it’s fake for qemu-ga,
but the agent string is always put there)
I only found a mention about it in `xml` field in JSON returned by
`VM.getInfo` (and `Host.getVMFullList`): a `virtio` channel as
documented in libvirt.
virtio channels are always there for both agents
2. How does the engine puts data into `vm_dynamic` table? I can't find any
usage for `InsertVmDynamic` procedure.
app_list
3. Also, it's not clear to me how (whether?) the engine consumes output of
VM.getInfo/Host.getVMFullList.
it does not in 4.2+ clusters, see FullListAdapter::getVmFullList()
HTH,
michal
Any pointers to relevant code appreciated.
Tomo
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1615830
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