Hello,

I'm quite new to packing up packages for Fedora.
It might not be the simplest package to create, but I quite like hadoop
and wanted to package it up, so it's easier to maintain on Fedora based
boxes.

There are a couple of issues I ran into:
- Can I explicitly require a java package not just to be installed, but
also to be the the selected alternative?
(openjdk ist required at build- and runtime)

- Where to put those jars?
I'm suggesting /usr/share/java

- What about missing dependencies?
There are some jars required which are not packed up in Fedora yet.
I'm not allowed to use the binary-jars distributed in the hadoop
tarball?

- Scripts
There are scripts to run hadoop and dfs (bin/start-all, stop-all, ...)
Where shall I put them? Create a custom user, as postgres does?

Maybe someone can share experience to solve this issues ..

- fabian

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On Fri, Jan 16, 2009 at 09:07:50PM +0100, Fabian Deutsch wrote:
> Hello,
>
> There are a couple of issues I ran into:
> - Can I explicitly require a java package not just to be installed, but
> also to be the the selected alternative?
> (openjdk ist required at build- and runtime)

I did that for tetex-tex4ht, copying what was done in freecol.

> - What about missing dependencies?
> There are some jars required which are not packed up in Fedora yet.
> I'm not allowed to use the binary-jars distributed in the hadoop
> tarball?

Indeed you are not. They should be packaged in fedora.

> - Scripts
> There are scripts to run hadoop and dfs (bin/start-all, stop-all, ...)
> Where shall I put them? Create a custom user, as postgres does?

If hadoop runs as a daemon, it should not run as root but as a
special user. And you can do an initscript for fedora, to integrate well
with init daemon management. But since I have no ieda what hadoop is,
I may be telling nonsensical stuff.

In any case, and especially for your first package and an hard package,
you can submit a review request with a non-perfect package, as long as
you tell it clearly in a comment.

As a side note, in general this list should not be used for
packaging questions, unless you have in mind a needed change in
guidelines to accomodate your package. The development questions should
better go to fedora-devel-list, since here it is more to discuss
packaging guidelines than for help on existing guidelines.

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Pat

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Hey Pat,

Am Samstag, den 17.01.2009, 12:22 +0100 schrieb Patrice Dumas:
> On Fri, Jan 16, 2009 at 09:07:50PM +0100, Fabian Deutsch wrote:
> > Hello,
> >
> > There are a couple of issues I ran into:
> > - Can I explicitly require a java package not just to be installed, but
> > also to be the the selected alternative?
> > (openjdk ist required at build- and runtime)
>
> I did that for tetex-tex4ht, copying what was done in freecol.
>
> > - What about missing dependencies?
> > There are some jars required which are not packed up in Fedora yet.
> > I'm not allowed to use the binary-jars distributed in the hadoop
> > tarball?
>
> Indeed you are not. They should be packaged in fedora.
>
> > - Scripts
> > There are scripts to run hadoop and dfs (bin/start-all, stop-all, ...)
> > Where shall I put them? Create a custom user, as postgres does?
>
> If hadoop runs as a daemon, it should not run as root but as a
> special user. And you can do an initscript for fedora, to integrate well
> with init daemon management. But since I have no ieda what hadoop is,
> I may be telling nonsensical stuff.
>
> In any case, and especially for your first package and an hard package,
> you can submit a review request with a non-perfect package, as long as
> you tell it clearly in a comment.
>
> As a side note, in general this list should not be used for
> packaging questions, unless you have in mind a needed change in
> guidelines to accomodate your package. The development questions should
> better go to fedora-devel-list, since here it is more to discuss
> packaging guidelines than for help on existing guidelines.

Thanks for this hint.
I'll use a different list teh next time, didn't realize that it was the
wrong lsit.

- fabian

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> Pat
>
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> Fedora-packaging@redhat.com
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