Re: [Xen-devel] Fw: [Xen-API] status of xen api

[Stefan Berger <stefanb@xxxxxxxxxx>]

xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 10/30/2007
11:26:14 AM:

> 
> I didn't get a reply from xen-api, but I urgently need this information.
> 
> Can anyone help me?
> 
> Thanks.
> 
> ----- Forwarded message -----
> 
> Hello,
> 
> I've been developing an application for managing VMs in Perl, using
the
> Xen API as described in docs/xen-api.
> 
> My current version of Xen is bf8eacda088f, "Added tag 3.1.2-rc1
for
> changeset 3855356c701d623daf2e8bef13dd4471f a9b3c91".
> 
> However, I'm finding a lot of dificulties:
> 
> * Some methods are still not implemented, like VM.name_description,
but
>   those aren't very important.
> 
> * I can't get the VDIs for a VBD (nor the VDIs for a SR). How am I
>   supposed to get the backend of a VM's vbd?
> 
>   If I call the VBD.get_VDI, I get an empty value for the ref
>   (communication attached).

Is this a domain that happens to only have a ramdisk?
If you create a domain with access to a disk and use
xm in xen-api mode then does this still happen?  To do this you have
to activate the 'server' node in /etc/xen/xm-config.xml and add (xen-api-server
(( 0.0.0.0:9363 none ))) to /etc/xen/xend-config.sxp.

> 
> * my network object has no PIFs, is this normal?

Not sure about this, though I'd say that the network
should have a list of PIFs with at least one PIF in it, which represents
'peth0'.

> 
> * In an older version of Xend (3.0.3), the host.get_log didn't escape
>   the log correctly. Is this fixed? I can't reproduce on my host,
but it
>   could be something missing in my log.
> 
> Is there any documentation about the correct procedure and values
for:
> 
> 1. creating a VM, vbd or a vif (pif & pbd?);

Have a look at the xen-api documentation and on the
xen-api mailing list where people have previously posted their examples,
even though it might have a flaw somewhere. Even though this one here might
be for PHP, it shows what parameters need to be passed.

http://lists.xensource.com/archives/html/xen-api/2007-10/msg00003.html

Maybe this here is also helpful:

http://xen.begi.net:46984/markup/xen-unstable.hg/tools/examples/xeninfo.pl


   I hope I could help.

   Stefan

> 2. attaching/detaching vbds/vifs from VMs.


> 
> Thank you for your help.
> 
> Regards,
> Luciano Rocha
> 
> -- 
> lfr
> 0/0
> [attachment "comm.txt" deleted by Stefan Berger/Watson/IBM]
> [attachment "attzg6dn.dat" deleted by Stefan Berger/Watson/IBM]
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