Test for schemaUpdateNow

[Anatoliy Atanasov]

Hi Metze,

> -----Original Message-----
> From: Stefan (metze) Metzmacher [mailto:metze at samba.org]
> Sent: Friday, July 17, 2009 16:10
> To: Anatoliy Atanasov
> Cc: abartlet at samba.org; samba-technical at samba.org
> Subject: Re: Test for schemaUpdateNow
> 
> Hi Anatoliy,
> 
> > I dug some more in schemaUpdateNow against Active Directory and I think
> I have found an explanation why it doesn't need explicit call to update
> the schema cache.
> > According to: http://technet.microsoft.com/en-us/library/cc961572.aspx
> >
> > ..."When the computer is started, the schema cache is loaded from the
> underlying database and updated automatically whenever the on-disk version
> is updated. When changes are made to the schema, the schema cache is
> automatically updated within five minutes after the first change was
> applied."
> > ..."There is also a mechanism for updating the schema cache on demand.
> You can use this when you modify the schema. You can add the
> schemaUpdateNow attribute to the rootDSE with a value of 1. The value is
> not used; it acts as a trigger or operational attribute. Writing this
> attribute starts a cache reload."
> >
> > This _automatic_ schema cache update is the reason we can't have the
> same test for schemaUpdateNow against Windows.
> 
> I don't understand that, do we wait 5 minutes in the test?
No, we do not wait 5 minutes in the test.
I only want to point out that AD updates its schema cache automatically and without the 'schemaUpdateNow' command from the client. Probably we need to implement that behavior too.
 
Regards,
Anatoliy
> 
> metze
> 
> >> -----Original Message-----
> >> From: Anatoliy Atanasov
> >> Sent: Wednesday, July 08, 2009 11:57
> >> To: 'Stefan (metze) Metzmacher'
> >> Cc: samba-technical at samba.org
> >> Subject: RE: Test for schemaUpdateNow
> >>
> >> Hi Metze,
> >>
> >> I edited the test so each LDAP call is on different connection and I am
> >> not sending schemaUpdateNow command.
> >> I run it against Windows 2003 and Samba4 not in "-M single" mode.
> >> The result is that the test failed against Samba and passed against
> >> Windows 2003.
> >>
> >> Regards,
> >> Anatoliy
> >>
> >>> -----Original Message-----
> >>> From: Stefan (metze) Metzmacher [mailto:metze at samba.org]
> >>> Sent: Tuesday, July 07, 2009 18:07
> >>> To: Anatoliy Atanasov
> >>> Cc: samba-technical at samba.org
> >>> Subject: Re: Test for schemaUpdateNow
> >>>
> >>> Hi Anatoliy,
> >>>
> >>>> What did you run to verify that schemaUpdateNow works only in single
> >>> process model, I use make test TESTS=ldap to run the test.
> >>>
> >>> I didn't run anything. dsdb_make_schema_global() operates on a global
> >>> variable and can't work with the fork model.
> >>>
> >>>> I also tried:
> >>>> self.ldb = Ldb(host, credentials=creds,
> session_info=system_session(),
> >>> lp=lp)
> >>>> After each self.ldb.add_ldif(ldif) to get a new Ldb connection and it
> >>> worked just the same
> >>>
> >>> Also against Windows?
> >>>
> >>> metze
> >
>