[yocto] How did you separate release and development builds?

[Alex Kiernan]

On Wed, Feb 14, 2018 at 9:04 AM, Alan Martinovic
<alan.martinovic at senic.com> wrote:
> Hi,
> I'm assuming separating development and release builds
> is a fairly common use case.
> The release build would be something like:
>
> - has all the funcions for production
> - attack surface is limited (no ssh, only the required apps)
> - config files set with real endpoints (logging or crash servers etc.)
>
> But that's not an image you can really develop on given all the constrains.
> So there is also a need for a development image:
>
> - inherits the funcions available on production image
> - developer convinence over security (debuggers, ssh access etc.)
> - configs set not to depend on payed cloud services
>
>
> Our curent approach is to solve this by having two different
> image recipes.
>
> Pros:
>     * Simple to implement (dev inherits production and just adds packages)
>     * You can build both at the same time with the same version
>
> Cons:
>     * They have the same runtime name (cause they are the same distro)
>     * Separating config files is not yet clear
>       (one way to have two versions of recipes, which was a lot of
> duplication.
>        Now we're chacking how to solve it by introducing external templating
> (jinja))
>
> How did you apprach it?
> Would like to hear you ideas and from the field experiences.
>

The image-mode bbclass from Intel:

https://github.com/intel/intel-iot-refkit/blob/master/meta-refkit-core/classes/image-mode.bbclass

Then just add additional packages in your image recipe based on the
variant you're building.

-- 
Alex Kiernan