[Fedora-directory-devel] HowTo:ChainOnUpdate

[Nate Huddleson]

On 7/16/07, Richard Megginson <rmeggins at redhat.com> wrote:
>
> Nate Huddleson wrote:
> > Thanks for your quick response, my clarifications are below
> >
> > On 7/16/07, *Richard Megginson* <rmeggins at redhat.com
> > <mailto:rmeggins at redhat.com>> wrote:
> >
> >     Nate Huddleson wrote:
> >     > I have attempted to follow the instructions included in the
> >     > HowTo:ChainOnUpdate, but have run into a problem when attempting
> to
> >     > configure the chaining backend for the chaining plugin.
> >     What problem?
> >
> > I am getting a "ldap_add: Local error" from ldap_modify when I attempt
> > to import the following LDIF file:
> What does it say in the Fedora DS access and error log?


my bad.  I thought local error implied that it was an error that occured in
the client.  I got the following from the access and error logs, and after
that, determined that the error occured because I had left off the trailing
"/" on the URL.  This has since solved my problem.  Thanks for your help!
Access Log:
[16/Jul/2007:15:15:11 -0500] conn=2 fd=65 slot=65 connection from
10.105.12.125 to 10.105.12.125
[16/Jul/2007:15:15:11 -0500] conn=2 op=0 BIND dn="cn=Directory Manager"
method=128 version=3
[16/Jul/2007:15:15:11 -0500] conn=2 op=0 RESULT err=0 tag=97 nentries=0
etime=0 dn="cn=directory manager"
[16/Jul/2007:15:15:11 -0500] conn=2 op=1 ADD dn="cn=chainbe1, cn=chaining
database, cn=plugins, cn=config"
[16/Jul/2007:15:15:11 -0500] conn=2 op=1 RESULT err=82 tag=105 nentries=0
etime=0
[16/Jul/2007:15:15:11 -0500] conn=2 op=-1 fd=65 closed - B1
Error Log:
[16/Jul/2007:15:15:11 -0500] chaining database - Error with config attribute
nsfarmserverurl : missing suffix
[16/Jul/2007:15:15:11 -0500] chaining database - Can't instantiate chaining
backend instance chainbe1.


>
> > -------------
> > dn: cn=chainbe1, cn=chaining database, cn=plugins, cn=config
> > objectclass: top
> > objectclass: extensibleObject
> > objectclass: nsBackendInstance
> > cn: chainbe1
> > nsslapd-suffix: dc=mycompany,dc=net
> > nsfarmserverurl: ldaps://gigdev0062.mycompany.net:636
> > nsmultiplexorbinddn: cn=Replication Manager, cn=config
> > nsmultiplexorcredentials: testpass
> > nsCheckLocalACI: on
> > -------------
> >
> > I also attempted to import the file via JXplorer and perl's Net::LDAP
> > module.  Both failed with the same error (Error 82, in the case of
> > JXplorer).  When I attempted to create the object with just the dn, cn
> > and objectclasses, it worked fine.
> >
> >
> >     > After digging for a while, I discovered that my problem seemed to
> be
> >     > that the attributes used (such as "nsFarmServerURL" and
> >     > "nsMultiplexorBindDN", etc, etc) are not defined in the schema.
> >     What leads you to believe this is the problem?  The schema for this
> is
> >     defined internally in the server code, so there are no external
> >     schema
> >     files required to define this schema.
> >
> > I am using JXplorer to browse the LDAP, which provides a schema
> > browser for whatever DB you are connected to.  It does not list the
> > attributes I listed above, but does show many of the other Fedora-DS
> > specific attributes, as well as custom object classes and attributes
> > that we have added.
> These are internal only schema and are not exposed to clients.
> >
> >     > I have checked out the source code for FDS 1.0, 1.0.1, 1.0.2,
> 1.0.3
> >     > and 1.0.4 and have not been able to find the schema file that
> >     contains
> >     > these attributes.  Can anybody help me with finding the schema
> file
> >     > and/or the correct way to set up Chaining on Update?
> >     >
> >     > Thanks,
> >     > Nate.
> >     >
> >     > P.S. I am trying to set up a master-slave system with a Round
> Robin
> >     > DNS in front of it for load balancing.  I wanted to set up the
> chain
> >     > on update so that all the clients can see the system as a single
> >     > server, rather than a collection of servers.
> >     >
> >
> ------------------------------------------------------------------------
> >
> >     >
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> >     >
> >
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> >
> >
> >
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