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From Grzegorz Grzybek <gr.grzy...@gmail.com>
Subject Re: [DISCUSS] Apache Karaf 4.3.x and resource repositories
Date Fri, 23 Nov 2018 06:52:58 GMT

Nice round KARAF-6000 number!

I added a comment under KARAF-6000 - I generally think that going the _OSGi
way_ is a good thing™, but we have to remember about all the features of
... Karaf features - blacklisting, prerequisites, overrides (bundle and
feature overrides) which may not be directly translatable to OSGi R7
But it's a great subject to investigate and I'll be more than happy to
review your PoC!

best regards
Grzegorz Grzybek

pt., 23 lis 2018 o 05:16 Jean-Baptiste Onofré <jb@nanthrax.net> napisał(a):

> Hi guys,
> as discussed since some weeks, Karaf 4.2.2 should be in vote in couple
> of weeks.
> I started a Karaf 4.3.x branch locally and master will become 4.3.x once
> 4.2.x branch will be created.
> Karaf 4.3.x will update to OSGi R7 and other major dependency updates. I
> will include a new feature/improvement in 4.3.x:
> https://issues.apache.org/jira/browse/KARAF-6000
> Today, Karaf supports resources repositories (yaml or xml) in
> etc/org.apache.karaf.features.cfg. A resource repository looks a bit
> like "old" OBR: it contains resources (bundles but also config, etc)
> with associated requirements and capabilities.
> The resolver uses those requirements and capabilities to find the
> dependency resources he should install when installing a feature or a
> bundle. That's convenient and close to the "core" OSGi approach.
> However, the resource repositories set defined in
> etc/org.apache.karaf.features.cfg is static: it's loaded and evaluated
> when the features service starts, then the resolver uses it.
> The proposal in KARAF-6000 is to be able to update the resource
> repositories set on the fly (with dedicated commands for instance) and,
> each time the resource repositories set is modified, perform a new whole
> resolution.
> Basically, it means that only the "standard" Karaf features would be
> required at startup, the users will be able to use only resource
> repositories (not features repositories) once Karaf is started.
> I already started a PoC for KARAF-6000.
> Thoughts ?
> Regards
> JB
> --
> Jean-Baptiste Onofré
> jbonofre@apache.org
> http://blog.nanthrax.net
> Talend - http://www.talend.com

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