Vampire procedure fails

Andrew Bartlett abartlet at
Thu Jun 10 05:46:54 MDT 2010

On Wed, 2010-06-09 at 19:22 +1000, Andrew Bartlett wrote:
> On Wed, 2010-06-09 at 14:17 +1000, Andrew Bartlett wrote:
> > On Tue, 2010-06-08 at 17:06 +0200, Matthias Dieter Wallnöfer wrote:
> > > Hi Zahari,
> > > 
> > > well, every time when we add some stricter constraint checking something 
> > > might fail. Here it's exactly like this.
> > > I really don't know much about the vampire process, so maybe someone can 
> > > help to fix this: on the normal provision we import the schema, load it 
> > > and only then the "objectclass_attrs" module does work. How it works on 
> > > a vampire? Could we already have a schema when we load another one?
> > > If this is true and not changeable then the only fix would be to 
> > > deactivate the attribute constraint checking when the "relax" flag is 
> > > specified.
> > 
> > Firstly, I would say that 'relax' is not the correct solution here.
> > There is a full schema loaded at this time, that has been imported over
> > DRSUAPI.  It is a little different to that which we load from the DB or
> > LDIF, and this sometimes causes bugs (I've tried to resolve this, but
> > it's quite difficult). 
> > 
> > We need to see what state the offending entry is in at the time of the
> > failed check.  We should also check to see that the list of valid
> > attributes has been expanded correctly into strings - the DRS protocol
> > only gives them as integers, and this is the cause of many of the issues
> > here. 
> > 
> > This is also why it's critical to get the vampire test into 'make test'.
> Attached is an untested idea, to use the schema from our local LDIF as
> the bootstrap, rather than the hardcoded conversion of DRS -> Schema
> objects.

Like a dog with a bone, I've not been able to let this idea rest.  When is back up, I'll push my continued efforts in this area.
I've got some trouble importing the converted schema, but once I sort
that we should be able to use the ldb based schema builder, even for the
first schema import over DRS.

Andrew Bartlett

Andrew Bartlett                      
Authentication Developer, Samba Team 
Samba Developer, Cisco Inc.

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