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From Francois Papon <francois.pa...@openobject.fr>
Subject Re: [PROPOSAL] Docker feature in Karaf container
Date Thu, 18 Jan 2018 10:13:55 GMT
Hi JB,

I think it's a good idea !

I'm agree with adding docker as a dedicated module in Karaf container
because it just use docker.

It would be also interesting to be able to create an image of Karaf from
the running instance :)

François


Le 18/01/2018 à 13:37, Jean-Baptiste Onofré a écrit :
> 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


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