[et-mgmt-tools] [RFC] virtinst: build libvirt storage xml
Daniel P. Berrange
berrange at redhat.com
Fri Jul 25 16:34:51 UTC 2008
On Fri, Jul 25, 2008 at 12:27:29PM -0400, Cole Robinson wrote:
> Daniel P. Berrange wrote:
> > On Fri, Jul 25, 2008 at 12:01:15PM -0400, Cole Robinson wrote:
> >> Daniel P. Berrange wrote:
> >> >> The general workflow is as follows:
> >>>> =========================================
> >>>> import virtinst.Storage.StoragePool as sp
> >>>>
> >>>> # This gives the appropriate class for the specified pool type
> >>>> pool_class = sp.get_pool_class(sp.TYPE_FOO)
> >>>>
> >>>> # Only required params are a conn/uri and name. Default formats
> >>>> # and target paths have default values, but source paths/
> >>>> # devices and hostnames obviously have no sensible default, but
> >>>> # they still aren't required for object instantiation
> >>>> pool = pool_class(name="foo", uri="xen:///")
> >>> Should proably allow a existing connection to be passed in, otherwise
> >>> this class has to deal with authentication issues too.
> >>>
> >> I didn't show it in the example, but passing a connection is allowed.
> >>
> >> On a side note, we should add support for openAuth in virtinst,
> >> everything is just hardcoded to use libvirt.open at the moment.
> >
> > No, that's exactly why we shouldn't take a URI. openAuth requires user
> > interaction, so that's unavoidably application specific. We just need
> > a helper in virtinst/cli.py for the command line tools to use to create
> > their connection object, and virt-manager already knows how to do
> > authentication. So everything should just pass ina connection object
> > instead of URI.
> >
> > Daniel
>
> Ahh okay, that makes sense. I'll remove the option to pass a URI then,
> since we really shouldn't even encourage passing a URI and expecting
> the library to open it.
Just don't remove it from the existing Guest modules, because Koan is
relying on this API to remain stable & since Koan is local only it
doesn't have to worry about auth.
Daniel
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