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From Achim Nierbeck <bcanh...@googlemail.com>
Subject Re: [PROPOSAL] Karaf Boot roadmap
Date Thu, 12 May 2016 06:29:53 GMT
sounds good to me jb
so go ahead :)

regards, Achim

2016-05-12 8:20 GMT+02:00 Sobkowiak Krzysztof <krzys.sobkowiak@gmail.com>:

> It's nice the boot theme goes forward. +1 for all points. Especially
> waiting for the new dev guide.  I think the guide should provide the both
> ways - the boot one and the non-boot way.
>
> Regards
> Krzysztof
>
> On 11.05.2016 17:04, Jean-Baptiste Onofré wrote:
> > Hi all,
> >
> > Karaf Boot code is now on the Apache Git:
> >
> > https://git.apache.org/karaf-boot.git/
> >
> > with the github mirror:
> >
> > https://github.com/apache/karaf-boot
> >
> > I created the component in Jira.
> >
> > I will update the website with karaf-boot description.
> >
> > I propose the following roadmap for karaf-boot, heading to the first 1.0
> release:
> >
> > 1. Bootstrapping
> > ----------------
> > As a reminder, karaf-boot has two goals:
> > - simplify the way to create module and application for developers
> > - simplify the bootstrapping as a "standalone" application (leveraging
> the container feature)
> >
> > Currently, we mostly address the first point. Our starters provide
> annotations allowing to easily create application. The
> karaf-boot-maven-plugin "calls" the annotation processor in the starters,
> and other plugins behind the hood to easily generate artifacts.
> >
> > Now, we have to address the second point: bootstrapping. I started a PoC
> on that.
> > I created new starters for bootstrapping:
> > - karaf-boot-starter-feature creates a feature using the dependencies
> and project artifact
> > - karaf-boot-starter-distribution creates both zip and tar.gz Karaf
> custom distribution embedding the current project artifact and dependencies
> > - karaf-boot-starter-distribution-rjar is similar to distribution, but
> it's a runnable jar (using a custom Main)
> > - karaf-boot-starter-docker creates a docker image embedding the custom
> distribution
> >
> > Now, the karaf-boot-maven-plugin is checking the dependencies to find
> one of these bootstrap starter, and react accordingly.
> > However, most of the logic is in the plugin, leveraging
> karaf-maven-plugin (assembly and archive goals for instance).
> > If this approach works (and is easy), I don't think it's the most
> elegant way.
> > I think we should create a @bootstrap annotation on a Runnable class in
> the bootstrap starters. The annotated class is responsible of the bootstrap
> artifact creation. An abstract bootstrap starter provide an annotation
> processor that look for @bootstrap annotation and run the class in a
> thread. The karaf-boot-maven-plugin just delegates the bootstrapping to the
> starter.
> >
> > WDYT ?
> >
> > 2. New starters
> > ---------------
> > We have to extend the coverage of the starter to address more use cases.
> I'm thinking about starters for test (both utest and itest leveraging
> pax-exam), for jaas, for management/MBean, for eventadmin, for decanter,
> for camel, etc.
> >
> > 3. New samples
> > --------------
> > Related to 2, each new starter should have a corresponding sample. The
> samples are really important as it's where the users start.
> >
> > We should also provide kind of full application use case, multi-module.
> I started this showing how to use different starters in different modules
> (like a Logo construction set).
> >
> > 4. Documentation and Karaf Dev Guide
> > ------------------------------------
> > The "new" Karaf Dev guide will be based mostly on karaf-boot. A second
> section ("advanced") can still address non karaf-boot cases.
> >
> > Thoughts ?
> >
> > Regards
> > JB
>
> --
> Krzysztof Sobkowiak
>
> JEE & OSS Architect, Integration Architect
> Apache Software Foundation Member (http://apache.org/)
> Apache ServiceMix Committer & PMC Member (http://servicemix.apache.org/)
> Senior Solution Architect @ Capgemini SSC (
> http://www.capgeminisoftware.pl/)
>



-- 

Apache Member
Apache Karaf <http://karaf.apache.org/> Committer & PMC
OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/> Committer &
Project Lead
blog <http://notizblog.nierbeck.de/>
Co-Author of Apache Karaf Cookbook <http://bit.ly/1ps9rkS>

Software Architect / Project Manager / Scrum Master

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