[IdPv3] Packaging Java code for Linux Package Managers

[Leif Johansson]

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On 11/03/2011 12:37 PM, Chad La Joie wrote:
> So, while waiting for things to compile and other busy work, I've
> been kicking around the idea of how we might package IdPv3 (and
> other upcoming Java code) for use with Linux and its package
> managers. Here's my thoughts on this so far.
> 
> We should package the code as RPMs and DEBs.  This will make it
> easier for people to keep up to date with releases.
> 
> We can not use the "standard" Unix filesystem layout.  There are
> two main problems that I see in attempting to do so.  It would be 
> impossible to install different IdP versions at the same time
> because you'd end up with different lib versions being installed in
> the same directory and thus on the classpath together.  That is
> going to be very problematic for people who do IdP hosting.
> Second, the unit of management within Java (at least for our
> webapps) is the WAR, which includes libraries (which presumably
> would be expected to go in to /usr/lib somewhere) as well as
> various other files (e.g., images, text files like CSSs, conf files
> like web.xml).  Those other things really shouldn't go in the
> /usr/lib directory but do need to be in the same directory
> structure as the libs in order to be deployed.  In short, the Java
> environment makes assumption that are different than the ones the
> Linux environment makes.
> 
> So, at this point, I think the RPM/DEB packages are just going to 
> install/update the IdP in a /opt/shibboleth-idp directory that
> looks mostly like it does today.
> 

I like all of this.

	Cheers Leif
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