openstack team mailing list archive

[Ewan Mellor <Ewan.Mellor@xxxxxxxxxxxxx>]

> -----Original Message-----
> From: Thomas Goirand [mailto:thomas@xxxxxxxxxx]
> Sent: 31 December 2011 22:11
> To: Ewan Mellor
> Cc: openstack@xxxxxxxxxxxxxxxxxxx; Mike McClurg; Jonathan Ludlam
> Subject: Re: [Openstack] Openstack + XCP (both on SID): XenAPI python
> script failing
> 
> On 01/01/2012 03:23 AM, Ewan Mellor wrote:
> > The operation it's trying to perform is high up your callstack, at
> vmops.py line 826.  It's deciding whether to do a VDI.resize or a
> VDI.resize_online, based on the host version number.  This is because
> the VDI.resize_online feature was removed in XenServer 6.0.
> >
> > How is XCP advertising itself in host.software_version?  We will have
> to update the version check to cover XCP too.  At the moment, it's just
> checking whether host.software_version['product_version'] is 6.0 or
> above, which is appropriate for XenServer but not XCP.
> >
> > Cheers,
> >
> > Ewan.
> 
> Ewan,
> 
> Thanks for your help, now it does really work!
> 
> What I had to do was hacking in
> /usr/share/pyshared/nova/virt/xenapi_conn.py line 473. Since this
> function fails (eg: python stack dump), I hacked the return of a
> version
> using:
> 
> return (5, 10, 3)
> 
> as you told me it needed version 6, once I replaced the 5 by a 6, my
> XCP
> instanced got started successfully by nova! :)
> 
> Now, we got to fix this hack into a real fix, and release this in SID.
> Do you know why get_product_version() in xenapi_conn.py fails?

We'll need Mike / John to tell us what the official version indicator of XCP is.  We also need to distinguish between versions that support VDI.resize_online and those that don't.  Once we know that, we can put the correct check into OpenStack easily.

Cheers,

Ewan.