LDAP server for dynamic directories

[Giovanni Baruzzi-2]

Well, the scope of a directory server is exactly what you want to
achieve.
Once you have stored your data ina container, storing attributes in a
properly manner,
you can start queries. A query returns a result set (I use DB
terminology) after one or more criteria (LDAP filter).
Are those "result-sets" what you want to get?

Regards
Giovanni

> Subject: LDAP server for dynamic directories?
> From: "Thomas K." <Thomas.Karolski@...>
> Date: Sat, 12 Apr 2008 19:29:53 -0400
> X-Message-Number: 1
>
> Hello everyone,
> I would like to know whether it is appropriate to use an LDAP server
> like
> slapd in order to realize a dynamic directory.
> "Dynamic directory" being one, which is essentially being generated
> on-the-fly out of data which is stored on the ldap server.
> My thought was to implement a directory for movies which looks
> something
> like this (for the sake of my own sanity, being a new user and all, I
> use
> "\" in order to express depth):
> ------------------
> .\newest movies
> .\all movies
> .\by genre\action
> .\by genre\comedy
> ...
>
> .\by year\1987
> .\by year\1988
> ...
>
> .\by director\Charles Chaplin
> .\by director\Tatsuya Ishihara
> ...
>
> .\by title\A
> .\by title\B
> ...
> ------------------
> Essentially all entries for movies are stored inside "all movies". Now
> there would be two approaches in order to have a movie inside for
> example
> the "by year\1988" node - either by actually creating the entry "by
> year\1988" and storing kind of a link to the actual movie entry as a
> child, or by completely having the "by year" node dynamically

generated

> out of the data which is inside the "all movies" node.
>
> Now I'm not entirely sure as to which way would be best - or in fact -
> whether they even are possible at all or whether a different approach
> than
> using an ldap server would be better.
> The motivation behind it, is to connect an ftp to the ldap server,
> which
> will retrieve the directory structure and display it to the user
> connected
> to the ftp server.
>
> Would love to hear any opinions on this.
>
> Regards,
> Thomas K.
>
>
>
> ---
>
> END OF DIGEST
>
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[Fet Biz]

It seems that you want the Ldap server to be the backend of a media server.
I have no idea of how it can be done on openldap (plug-in for creating
virtual-node?)
But it does to be a quite great feature.
Plus, I would like to know, if we can create "symblic-link" node witch
references to some other local nodes?
If the answer is yes, it could be a work-around for your request.

And, I have another question: can we make the tree nodes to become
"lattice", a node could has 2 parent nodes from different branches?

Iap, Singuan



----- Original Message -----
寄件者: "Giovanni Baruzzi" <gbar@...>
收件者: "LDAP list" <ldap@...>
傳送日期: 2008年4月14日 上午 02:17
主旨: [ldap] LDAP server for dynamic directories


Well, the scope of a directory server is exactly what you want to
achieve.
Once you have stored your data ina container, storing attributes in a
properly manner,
you can start queries. A query returns a result set (I use DB
terminology) after one or more criteria (LDAP filter).
Are those "result-sets" what you want to get?

Regards
Giovanni

> Subject: LDAP server for dynamic directories?
> From: "Thomas K." <Thomas.Karolski@...>
> Date: Sat, 12 Apr 2008 19:29:53 -0400
> X-Message-Number: 1
>
> Hello everyone,
> I would like to know whether it is appropriate to use an LDAP server
> like
> slapd in order to realize a dynamic directory.
> "Dynamic directory" being one, which is essentially being generated
> on-the-fly out of data which is stored on the ldap server.
> My thought was to implement a directory for movies which looks
> something
> like this (for the sake of my own sanity, being a new user and all, I
> use
> "\" in order to express depth):
> ------------------
> .\newest movies
> .\all movies
> .\by genre\action
> .\by genre\comedy
> ...
>
> .\by year\1987
> .\by year\1988
> ...
>
> .\by director\Charles Chaplin
> .\by director\Tatsuya Ishihara
> ...
>
> .\by title\A
> .\by title\B
> ...
> ------------------
> Essentially all entries for movies are stored inside "all movies". Now
> there would be two approaches in order to have a movie inside for
> example
> the "by year\1988" node - either by actually creating the entry "by
> year\1988" and storing kind of a link to the actual movie entry as a
> child, or by completely having the "by year" node dynamically

generated

> out of the data which is inside the "all movies" node.
>
> Now I'm not entirely sure as to which way would be best - or in fact -
> whether they even are possible at all or whether a different approach
> than
> using an ldap server would be better.
> The motivation behind it, is to connect an ftp to the ldap server,
> which
> will retrieve the directory structure and display it to the user
> connected
> to the ftp server.
>
> Would love to hear any opinions on this.
>
> Regards,
> Thomas K.
>
>
>
> ---
>
> END OF DIGEST
>
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[Dieter Kluenter]

Hi,

"Fet Biz" <fetbiz@...> writes:

> It seems that you want the Ldap server to be the backend of a media server.
> I have no idea of how it can be done on openldap (plug-in for creating
> virtual-node?)

Your requirement is not quite clear to me, but you might look at the
dynamic list overlay, man slapo-dynlist(5)

> But it does to be a quite great feature.
> Plus, I would like to know, if we can create "symblic-link" node witch
> references to some other local nodes?

You may make use of alias entries.
                   
> If the answer is yes, it could be a work-around for your request.
>
> And, I have another question: can we make the tree nodes to become
> "lattice", a node could has 2 parent nodes from different branches?

Could you be a bit more specific about this requirement.

-Dieter

--
Dieter Klünter | Systemberatung
http://www.dkluenter.de
GPG Key ID:8EF7B6C6

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