[Container-tools] How adb and Nulecule fit together?

[Tomas Kral]

Hi Saleem,

On 02/04/2016 10:45 AM, Saleem Ansari wrote:
> Hi,
> 
> Now that I understand the relationship between Nulecule and ADB, I have couple of question:
> 
>  * How are these two projects related: atomic [1] and atomicapp [2] ?
>  * As of now what are the components that completely describe CDK ? Is ADB a necessary and sufficient to be called as CDK ?
> 
> 
> Alright, I will start with my understanding below ( I may be totally wrong here ):
> 
> Atomicapp is a reference implementation of Nulecule specification. However it doesn't define how to run the app itself, so I assume it is actually Atomic that will help with this task.
> 
> However from the project description of Atomic: "Atomic Run Tool for installing/running/managing container images.", it doesn't say anything specific to Atomicapp either.
> 

Atomic is generic high-level tool for manipulating containers.

Atomic allows an image provider to specify how a container image expects
to be run.
You can build build Docker image with `RUN` label where you specify
command that is expected to be run to start this image.
Then when you run `atomic run <yourimage>`, Atomic first inspects image,
and if finds RUN label uses its value to start container.

Atomic makes easier to run AtomicApp.
You can run AtomicApp without atomic (see:
https://github.com/projectatomic/atomicapp/blob/master/atomicapp.sh#L9)
But because this is a lot of parameters, it is easier to use atomic and
just do `atomic run <atomicappimage>`.
Atomic than reads RUN label from image and assemble full docker run
command
(https://github.com/projectatomic/atomicapp/blob/master/Dockerfiles.pkgs/Dockerfile.centos#L13)

Atomic cmd just makes running AtomicApp containers little easier that's
all :-) you can run AtomicApp even without it.

Hope this helps ;-)


> I understand that the scope of both the projects, Atomic and Atomicapp isn't limited to each other. But the relationship is not clear.
> 
> 
> 
> What am I missing here to connect the dots ?
> 
> 
> Thanks and regards,
> Saleem
> 
> [1] https://github.com/projectatomic/atomic
> [2] https://github.com/projectatomic/atomicapp
> 
> 
> 
> 
> 
> ----- Original Message -----
>> From: "Lalatendu Mohanty" <lmohanty at redhat.com>
>> To: "Suraj Deshmukh" <sdeshmuk at redhat.com>, container-tools at redhat.com
>> Sent: Thursday, February 4, 2016 11:38:46 AM
>> Subject: Re: [Container-tools] How adb and Nulecule fit together?
>>
>> On 02/03/2016 03:59 PM, Suraj Deshmukh wrote:
>>> Hi,
>>>
>>> How adb and Nulecule fit together?
>>>
>>> I have tried using adb in the form of Vagrant box, from eclipse plugin
>>> and it works fine. The part that I am still confused is how does 'adb'
>>> and 'Nulecule' come together into picture.
>>>
>>> Once there is adb Vagrant box up and running, what do I do to run a
>>> nuleculized application? Does the adb Vagrant box has all the required
>>> applications installed(e.g. atomic) or services up and running(e.g.
>>> kubernetes)? Or do I have to do it manually in that Vagrant Box? How
>>> do they come into picture together?
>>>
>> ADB and Nulecule are two different projects and they have different
>> objectives.
>>
>> That being said , there is a relationship between these projects where
>> they can get benefited from each other.
>>
>> ADB as a developer tool chain, supports Nulecule and AtomicApp i.e.
>> Nulecule based are applications are first class citizen in ADB. ADB
>> provides way to quickly setup developer environments for providers which
>> Nulecule supports i.e. Kubernetes, OpenShift , Mesos etc and you should
>> be able to run Nulecule based applications in ADB successfully i.e. ADB
>> should provid all required stuff that a developer need to develop
>> Nulecule based applications and test them quickly
>>
>> Thanks,
>> Lala
>>
>> _______________________________________________
>> Container-tools mailing list
>> Container-tools at redhat.com
>> https://www.redhat.com/mailman/listinfo/container-tools
>>
> 
> _______________________________________________
> Container-tools mailing list
> Container-tools at redhat.com
> https://www.redhat.com/mailman/listinfo/container-tools
>