[yocto] Image specific configuration files

[Alexander Kanavin]

2018-06-01 8:46 GMT+03:00 Damien LEFEVRE <lefevre.da at gmail.com>:
> For the same MACHINE I create the following images:
> - myimage-production
> - myimage-rnd
> - myimage-retail
>
> The production one has production assisted tools for flashing peripheral HW,
> testing vital HW components, writing some serial numbers, etc.
>
> The rnd one has more packages than the retail one just to help rnd work and
> debugging in device, but none of the rnd image extra packages.
>
> The retail one has the final product image.
>
> I'm using web and FTP servers. I would like for the rnd version of the image
> to have a different nginx configuration to set the root directory to a
> development folder, or set an alias.

Make two separate recipes for the configuration, and list one, or the
other in the image recipes.

Alternatively, do the needed tweaks via ROOTFS_POSTPROCESS_COMMANDS.

> Furthermore, I'll have different variant of the device where only the device
> SW changes but the platform is identical. So I'll end up with
> - myimage2-production
> - myimage2-rnd
> - myimage2-retail
>
> I know how to make MACHINE based configuration. How could I do this in my
> nginx.bbappend based on image name?

You can't. If you are issuing 'bitbake nginx', how would bitbake know
to what image the nginx packages would eventually go?

Alex