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From Guillaume Nodet <gno...@apache.org>
Subject Re: A Blueprint Free Karaf
Date Thu, 05 Dec 2013 09:14:39 GMT
The migration seems to have been done already and I've just spotted that
the support for blueprint commands seems still present, though in a
different bundle.


2013/12/5 Achim Nierbeck <bcanhome@googlemail.com>

> I think this is definitely  something for a 4.x line, it's just to major
> switch.
> How will it fit in with all our commands, do we convert those too?
> These are all bound to blueprint.
>
> regards, Achim
>
>
> 2013/12/5 Andreas Pieber <anpieber@gmail.com>
>
> > Even for the a bit fuller one I think. Why should the karaf core need a
> > dependency on blueprint?
> >
> > Kind regards, Andreas
> >
> > PS: for a real adaption to karaf I would rather consider this for the 3.x
> > or 4.x line...
> > On 5 Dec 2013 06:40, "Achim Nierbeck" <bcanhome@googlemail.com> wrote:
> >
> > > yeah, I already did grab myself a copy of it ;)
> > >
> > > for the minimal distribution this makes a lot of sense :)
> > >
> > > regards, Achim
> > >
> > >
> > > 2013/12/5 Jean-Baptiste Onofré <jb@nanthrax.net>
> > >
> > > > Hi Ioannis,
> > > >
> > > > it sounds interesting. I gonna take a look on that.
> > > >
> > > > Regards
> > > > JB
> > > >
> > > >
> > > > On 12/04/2013 09:41 PM, Ioannis Canellos wrote:
> > > >
> > > >> For anyone curious on how Karaf without Blueprint would look like,
> > > >> here is a karaf branch that is free of blueprint:
> > > >> https://github.com/iocanel/karaf/tree/karaf-light (it's a fork of
> the
> > > >> karat-2.3.x branch).
> > > >>
> > > >> It is actually a refactored karaf 2.3.x that removes blueprint from
> > > >> all modules (yet still provides blueprint as feaures). Karaf
> specific
> > > >> blueprint namespace handlers have moved to optional bundles so that
> > > >> they can still be used if needed.
> > > >> Blueprint has been replaced with Felix SCR (including the shell
> > > >> commands). Moreover, misc refactorings on features and startup
> bundles
> > > >> have been performed in order to reduce the size and the amount of
> > > >> bundles in the minimal distro.
> > > >>
> > > >> The result is a minimal distribution that starts 12 bundles [1] (out
> > > >> of 37 which were part of karaf 2.3.3 minimal distro). 10 of those
> > > >> bundle were blueprint bundles and the rest are extra noise.
> > > >>
> > > >> My motivation behind this refactoring was:
> > > >> i) I like declarative services more than blueprint.
> > > >> ii) I've been working on projects that are packaged inside the karaf
> > > >> minimal distro which would benefit from a smaller size (e.g.
> > > >> jclouds-cli).
> > > >> iii) I wanted to make a karaf distro as flexible as possible.
> > > >>
> > > >> Please note that my main focus was the minimal distribution and also
> > > >> this is not 100% polished.
> > > >>
> > > >> Enjoy!
> > > >>
> > > >>
> > > >> [1]: The bundle list of the minimal distro:
> > > >>
> > > >>     ID   State         Level  Name
> > > >> [   0] [Active     ] [    0] System Bundle (4.0.3)
> > > >> [   1] [Active     ] [    5] OPS4J Pax Url - mvn: (1.3.6)
> > > >> [   2] [Active     ] [    5] OPS4J Pax Url - wrap: (1.3.6)
> > > >> [   3] [Active     ] [    8] OPS4J Pax Logging - API (1.7.1)
> > > >> [   4] [Active     ] [    8] OPS4J Pax Logging - Service (1.7.1)
> > > >> [   5] [Active     ] [   10] Apache Felix Configuration Admin
> Service
> > > >> (1.6.0)
> > > >> [   6] [Active     ] [   11] Apache Felix File Install (3.2.6)
> > > >> [   7] [Active     ] [   13] Apache Felix Declarative Services
> (1.6.2)
> > > >> [   8] [Active     ] [   25] Apache Karaf :: Shell :: Console
> > > >> (2.3.4.SNAPSHOT)
> > > >> [   9] [Active     ] [   30] Apache Karaf :: Features :: Core
> > > >> (2.3.4.SNAPSHOT)
> > > >> [  10] [Active     ] [   30] Apache Karaf :: Features :: Command
> > > >> (2.3.4.SNAPSHOT)
> > > >> [  11] [Active     ] [   30] Apache Karaf :: Shell :: Log Commands
> > > >> (2.3.4.SNAPSHOT)
> > > >> [  12] [Active     ] [   30] Apache Karaf :: Shell :: OSGi Commands
> > > >> (2.3.4.SNAPSHOT)
> > > >>
> > > >>
> > > > --
> > > > Jean-Baptiste Onofré
> > > > jbonofre@apache.org
> > > > http://blog.nanthrax.net
> > > > Talend - http://www.talend.com
> > > >
> > >
> > >
> > >
> > > --
> > >
> > > Apache Karaf <http://karaf.apache.org/> Committer & PMC
> > > OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/>
> Committer
> > &
> > > Project Lead
> > > OPS4J Pax for Vaadin <
> http://team.ops4j.org/wiki/display/PAXVAADIN/Home>
> > > Commiter & Project Lead
> > > blog <http://notizblog.nierbeck.de/>
> > >
> >
>
>
>
> --
>
> Apache Karaf <http://karaf.apache.org/> Committer & PMC
> OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/> Committer &
> Project Lead
> OPS4J Pax for Vaadin <http://team.ops4j.org/wiki/display/PAXVAADIN/Home>
> Commiter & Project Lead
> blog <http://notizblog.nierbeck.de/>
>

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