[libvirt] Hyper-V driver ?

arnaud.champion at devatom.fr arnaud.champion at devatom.fr
Sat Oct 30 14:11:01 UTC 2010


?Interesting... You a Hyper-V user ;)

--------------------------------------------------
From: "Michael Sievers" <msievers83 at googlemail.com>
Sent: Saturday, October 30, 2010 2:48 PM
To: <libvir-list at redhat.com>
Subject: Re: [libvirt] Hyper-V driver ?

> Hi !
>
> My name ist Michael Sievers. I am studying computer science at
> Paderborn/Germany. I worked together with Matthias Bolte on a project
> here at Paderborn, where we evaluated the possibility of controlling
> Microsoft Hyper-V using WS-Management through libvirt (which is
> actually called WinRM on Windows).
>
> At the end of the project I had a very minimalistic libvirt driver,
> which was just able to connect to Hyper-V and to power cycle a given
> VM.
>
> Unfortunately, the project stopped at this point and so did my efforts
> on this topic.
>
> Since developing a full fledged Hyper-V driver for libvirt a very time
> consuming effort I am currently searching for a way to do so which
> incorporates with my study.
>
> At this point I can tell you the following
>
> - it is possible to control Hyper-V using libvirt using WS-Management
> - this is actually the only way (as far as I know) to control Hyper-V
> from non-Windows hosts, as you can not use WMI (which is Hyper-V main
> API) from non Windows hosts directly
> - WS-Management is the bridge to talk to WMI from non-Windows hosts as
> there are implementations such as OpenWSman which you can use
> - doing complicated things in WS-Management (e.g. calling a function
> with reference parameters) is not well documented and that's why a
> pain to implement
>
> The last point was the main reason, why the development stopped after
> implementing the power cycling.
>
> Last week I talked to my professor about this and he told me, that
> maybe there is a company (unfortunately I can't tell you the name)
> which is willing to support this effort financially, which would give
> me to opportunity to resume development. But sadly this not for sure,
> yet.
>
> I will inform you (the libvirt mailing list) during the next two weeks
> about the results.
>
> Cheers
>
> Michael Sievers
>
> P.S.
>
> Sorry for sending this mail three times to libvir-list as I did not
> remembered that I once subscribed with a different email address.
>
> 2010/10/30 Justin Clift <jclift at redhat.com>:
>> On 10/30/2010 03:21 AM, Daniel Veillard wrote:
>> <snip>
>>> "WS-Management Protocol" points to
>>> http://msdn.microsoft.com/en-us/library/aa384470%28v=VS.85%29.aspx
>>> where "Web Services for Management (WS–Management)." points to
>>> http://www.dmtf.org/sites/default/files/standards/documents/DSP0226.pdf
>>>
>>>  which says Page Not Found I find that lovely ...
>>
>> Heh.  The link you probably want is this one:
>>
>>  http://www.dmtf.org/standards/wsman
>>
>> My understanding of the Web Services Management thing, is that it's not
>> a Microsoft initiative, but is instead a "vendor neutral" effort, and
>> somehow involves CIM.
>>
>>
>>> Matthias went through the huge work of developping SOAP code to talk
>>> to ESX, I wonder how much could be reused for the SOAP to talk to
>>> this.
>>>
>>> But it certainly requires someone dedicated for a long time, not sure
>>> we will get someone who really needs this.
>>
>> Kind of wondering if our existing CIM stuff might "just work" with it
>> already.  Not something I know anything about though. :)
>>
>>  http://libvirt.org/CIM/   <-- not much info here. :/
>>  http://wiki.libvirt.org/page/Libvirt-cim_setup
>>
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