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From Jean-Baptiste Onofré ...@nanthrax.net>
Subject Re: [PROPOSAL] Docker feature in Karaf container
Date Fri, 19 Jan 2018 09:04:59 GMT
Thanks for the feedback, and fully agree.

I'm planning to do that for the PR.


On 01/19/2018 10:00 AM, Guillaume Nodet wrote:
> Sounds good to me.
> I think there's a few technical things that need to be addressed while
> merging:
>    * remove blueprint dependency
>    * use a single bundle (i don't see any benefit in splitting this feature
> in multiple bundles)
>    * investigate the use of JaxRS 2.0 api instead of the CXF dependency (to
> be more flexible and also because it would create yet another circular
> dependency)
> 2018-01-18 10:37 GMT+01:00 Jean-Baptiste Onofré <jb@nanthrax.net>:
>> Hi,
>> Some days ago, we discussed about Decanter 2.0.0 and using "external"
>> instances of used engines,  like Elasticsearch or Kibana.
>> Basically, the main reason is that some engines are not easy to embed in
>> Karaf. It's the case of Kibana as it uses node.js.
>> However, one of the big advantage of embedded instance of Elasticsearch or
>> Kibana is that it's very easy to install and use: it's just a
>> feature:install command to perform.
>> So, I would like to provide both advantages: easy to install and use with
>> external instances ;)
>> A first approach would be to create a "exec" bundle starting the instance.
>> But we gonna face the "classic" issues depending of the environment.
>> Maybe some of you remember the karaf-docker PoC I did month ago:
>> https://github.com/jbonofre/karaf-docker
>> This is a simple feature that allows you to manipulate docker images:
>> bootstrapping, starting/running, ...
>> I think it would help a lot in Decanter or Cellar: we can just provide
>> Karaf Docker commands to bootstrap Elasticsearch, Kibana, OrientDB, ...
>> As a best effort, we will try to provide embedded instance as possible,
>> but it won't be the preferred approach.
>> As karaf-docker is small project and just basically use docker, I think it
>> doesn't require to be a Karaf subproject.
>> As we have the karaf scheduler (using Quartz internally), I would like to
>> propose to add docker in Karaf container in a dedicated module.
>> It means that users will be able to do feature:install docker to have the
>> docker commands.
>> I would like also to add a command and configuration to have "ready to go
>> images". Something that will allow users to do:
>> docker:run elasticsearch
>> then, elasticsearch will use a ready to go dockerfile.
>> It would be possible to do:
>> docker:run mvn:org.apache.karaf.decanter.docker/elasticsearch/6.1.0/docker
>> Where we can host ready to use "official" dockerfile.
>> Thoughts ?
>> Regards
>> JB
>> --
>> Jean-Baptiste Onofré
>> jbonofre@apache.org
>> http://blog.nanthrax.net
>> Talend - http://www.talend.com

Jean-Baptiste Onofré
Talend - http://www.talend.com

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