[libvirt] [PATCH v5 4/5] storage: Support "chap" authentication for iscsi pool

[Daniel P. Berrange]

On Tue, Jul 23, 2013 at 11:50:57AM -0400, John Ferlan wrote:
> On 07/23/2013 10:56 AM, Daniel P. Berrange wrote:
> <...snip...>
> >> +++ b/src/storage/storage_backend_iscsi.c
> >> @@ -714,7 +714,8 @@ virStorageBackendISCSISetAuth(const char *portal,
> >>  
> >>      if (!conn) {
> >>          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> >> -                       _("iscsi 'chap' authentication requires connection"));
> >> +                       _("iscsi 'chap' authentication not supported "
> >> +                         "for autostarted pools"));
> >>          return -1;
> >>      }
> > 
> > I noticed that the nwfilter already unconditionally calls virConnectOpen("qemu://system"); so we're already in fact suffering from the problem with
> > autostart having a qemu dependency.
> > 
> > Given this, I'd support a patch which simply did
> > 
> >   conn = virConnectOpen(privilege ? "qemu:///system" : "qemu:///session");
> > 
> > in storageDriverAutostart, provided that we ignore any errors from
> > virConnectOpen, and fallback to use NULL for the connection in that
> > case.
> > 
> > Obviously this is something we'll still need to fix properly in a
> > future release, but at least it'll make autostart of storage pools
> > with auth work in the common case in the short term for this release.
> > 
> > Regards,
> > Daniel
> > 
> 
> So resurrect the following:
> 
> https://www.redhat.com/archives/libvir-list/2013-July/msg00962.html

Yep, ACK to that patch, but add "XXX Remove hardcoding of QEMU URI"
as a comment just before the virConnectOpen call.

Daniel
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