[IPA] SID allocation using DNA plugin

Endi Sukma Dewata edewata at redhat.com
Fri Nov 6 12:27:07 MST 2009


----- "Andrew Bartlett" <abartlet at samba.org> wrote:

> > I think ideally this problem should be addressed using polymorphism
> > instead of function pointer. So we need to create 2 subclasses of
> > the ProvisionBackend called OpenLDAPBackend and FDSBackend. The
> > base class should include an empty post_setup() and this should be
> > overriden in the FDSBackend. In the main code the code should
> > instantiate the class as follows:
> > 
> >     if backend_type == "fedora-ds":
> >         provision_backend = FDSBackend(...)
> > 
> >     if backend_type == "openldap":
> >         provision_backend = OpenLDAPBackend(...)
> > 
> >     provision_backend.post_setup()
> > 
> > We could also do this on other parts of the code to cleanly separate
> > FDS and OpenLDAP code. What do you think?
> Yes, this is the approach I was trying to head towards.  Just make sure
> we don't run the LDB specific functions when we are trying to use
> OpenLDAP or Fedora DS. 

Please take a look at the attached patches. These patches and the previous
patch about the relax control are available in this repository:


The ProvisionBackend now has become a base class for LDBBackend,
ExistingBackend, FDSBackend, and OpenLDAPBackend. All backend-specific
attributes have been moved into the appropriate classes. Am I in the
right direction?


Endi S. Dewata

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