[yocto] Image specific configuration files

Fri Jun 1 02:24:18 PDT 2018

I have to say defining multiple distros and then tweaking recipes according
to those definitions is not a good practice, as recipes should generally
only access DISTRO_FEATURES and otherwise be distro-agnostic. The above
iptables scenario should be handled with different image recipes, which
pull in (via packages) or create different configurations.

Alex

2018-06-01 12:04 GMT+03:00 Iván Castell <icastell at nayarsystems.com>:

> I can provide more details. My custom layer has these files related with
> distro:
>
>     my_layer/conf/distro/include/common.conf
>     my_layer/conf/distro/develop.conf
>     my_layer/conf/distro/production.conf
>     my_layer/conf/distro/integration.conf
>
> As an example of the previous files, my_layer/conf/distro/include/develop.conf
> has this content:
>
>     require conf/distro/include/common.conf
>     DISTRO = "my-distro-development"
>     DISTRO_NAME = "OS Development"
>     DISTRO_STAGE = "development"
>     # And here more customizations as setting root password, PRSERV_HOST,
> or PACKAGE_FEED_URIS
>
> In common.conf I define all features common to all my distros
> (PACKAGE_CLASSES and so on)
>
> I have custom iptables rules, then I have different files for that rules:
>
>     my/layer/recipes-extended/iptables/files/iptables.rules.development
>     my/layer/recipes-extended/iptables/files/iptables.rules.production
>     my/layer/recipes-extended/iptables/files/iptables.rules.integration
>
> I use a bbappend recipe for iptables, modifiying do_install_append task
> like this:
>
>     install -m 0600 ${WORKDIR}/iptables.rules.${DISTRO_STAGE}
> ${D}/etc/iptables/iptables.rules
>
> I use a single image recipe to define all packages installed in my final
> image (all of them have the same set if packages, but with different
> customizations)
>
> Finally, I wrote a setup-build-env.sh script in my custom layer to
> configure the build easily. That script creates
> build-${DISTRO_STAGE}/conf/bblayers.conf and build-${DISTRO_STAGE}/conf/
> local.conf files with the proper setup, setting MACHINE, DISTRO and
> DL_DIR (shared by all distros) properly.
>
> Hope this helps!
>
>
>
>
>
> 2018-06-01 10:21 GMT+02:00 Alan Martinovic <alan.martinovic at senic.com>:
>
>> Hey,
>> would really like to see your example.
>> Am struggling to get creation of these types of images for a while now.
>>
>> So far have avoided diving into multiple distros because would like to
>> have the option
>> of building all the images at the same time (so they are basically the
>> same distro).
>>
>> On Fri, Jun 1, 2018 at 8:13 AM, Iván Castell <icastell at nayarsystems.com>
>> wrote:
>>
>>> I fixed this issue defining different distro.conf files in my custom
>>> layer, adding a custom variable DISTRO_STAGE with the name of my distro
>>> (production, rnd, retail, and so on), Then you setup DISTRO in your
>>> local.conf to the proper value you want to use. Finally you can use that
>>> DISTRO_STAGE variable in your custom .bb or .bbappend recipes to decide the
>>> proper configuration files you want to install in your final image. That
>>> works as expected. Hope this helps!
>>>
>>>
>>>
>>>
>>> 2018-06-01 7:46 GMT+02:00 Damien LEFEVRE <lefevre.da at gmail.com>:
>>>
>>>> Hi,
>>>>
>>>> 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.
>>>>
>>>> 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?
>>>>
>>>> Thanks,
>>>> -Damien
>>>>
>>>> --
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>>>> yocto mailing list
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>>>> https://lists.yoctoproject.org/listinfo/yocto
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>>
>>>
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>>
>
>
> --
>
>
>
>
> *NOTA LEGAL*
> Este correo electrónico y, en su caso, cualquier fichero anexo al mismo,
> contiene información de carácter confidencial exclusivamente dirigida a su
> destinatario y se encuentra protegido por Ley. Cualquier persona distinta
> de su destinataria tiene prohibida su reproducción, uso, divulgación, copia
> o impresión total o parcial. Si ha recibido este correo electrónico por
> error, se ruega lo notifique de inmediato al remitente borrando el mensaje
> original juntamente con sus ficheros anexos. Gracias.
>
> De conformidad con lo establecido en la LOPD, NAYAR SYSTEMS SL garantiza
> la adopción de las medidas necesarias para asegurar el tratamiento
> confidencial de los datos de carácter personal. Así mismo le informamos de
> la inclusión de sus datos en un fichero bajo la responsabilidad de NAYAR
> SYSTEMS SL, con la finalidad de poder atender los compromisos derivados de
> la relación que mantenemos con usted. Si lo desea, puede ejercer sus
> derechos de acceso, rectificación, cancelación y oposición mediante un
> escrito a la siguiente dirección: info at nayarsystems.com
>
> *LEGAL NOTE*
> This email and any attachments to it contains is confidential information
> exclusively intended for the recipients. Any divulgation, copy or
> distribution to third parties is prohibited without written permission of
> NAYAR SYSTEMS SL. If you have received this e-mail in error, please notify
> the sender immediately. In accordance with Law 15/1999 of 13 December on
> the Protection of Personal Data, the NAYAR SYSTEMS SL guarantees that it
> has adopted the necessary measures to ensure the confidential treatment of
> personal information. We also inform you that you can exercise your access,
> rectification, cancellation and opposition rights by send us a mail to:
> info at nayarsystems.com
>
>
> --
> _______________________________________________
> yocto mailing list
> yocto at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/yocto
>
>
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