katzj at redhat.com
Fri Apr 27 19:56:53 UTC 2007
On Tue, 2007-04-24 at 15:01 -0400, John (J5) Palmieri wrote:
> In the pilgrim tool it is fairly easy to inherit from "stream" files and
> just expand a base image into a newer image. This means I can create a
> base description for an image, with all the required rpms and %post
> processing and then define another image description which adds more
> rpms and does more post processing. We can even override hooks and
> files in the child description. For instance our liveCD SDK has added
> gnome packages but does not download the ondisk html library to save
> space. This allows me to make changes to the base image which is
> automatically reflected in the livecd image builds.
> The real reason we need this is for country builds. I know that the
> livecd tools already have the ability to take an iso and add to it but I
> also need the ability to do a build from scratch. First can the current
> kickstart file format handle this and second how can we support this if
> it does not?
So there's the answer we have now, and then there's the longer term
answer that's been discussed a tiny bit.
The now answer is that you use %include and with that can do a
substantial amount of what you're looking for. Basically, you could
have your base config and then a country build could be
(or something like that). And that should work to let you get at
least some simple inheritance.
For more complex needs, we've talked a little in the past (where we is
mostly clumens and I, but a few others also at various points) on ways
to get a better concept of inheritance with the kickstart configs. The
idea being that you parse one config, then the next, then the next.
Mostly what's needed there is just a little work in pykickstart to
ensure that doing a second parse pass doesn't blow up the world plus
defining the syntax of how you say "inherit from foo"
More information about the Fedora-livecd-list