Re: Remove bootstrap support

["'Clara Kowalsky' via isar-users" <isar-users@googlegroups.com>]

On 11/11/25 09:03, Liu, Yi (FT RPD CED INW-CN) wrote:
>> -----Original Message-----
>> From: Kiszka, Jan (FT RPD CED) <jan.kiszka@siemens.com>
>> Sent: Monday, November 10, 2025 3:40 PM
>> To: Moessbauer, Felix (FT RPD CED OES-DE)
>> <felix.moessbauer@siemens.com>; isar-users@googlegroups.com;
>> ibr@ilbers.de; Kowalsky, Clara (FT RPD CED OES-DE)
>> <clara.kowalsky@siemens.com>; Liu, Yi (FT RPD CED INW-CN)
>> <liuyi@siemens.com>
>> Subject: Re: Remove bootstrap support
>>
>> On 06.11.25 17:46, 'Jan Kiszka' via isar-users wrote:
>>> On 06.11.25 17:01, Moessbauer, Felix (FT RPD CED OES-DE) wrote:
>>>> On Wed, 2025-11-05 at 14:11 +0100, 'Clara Kowalsky' via isar-users
>>>> wrote:
>>>>> Hi,
>>>>>
>>>>> I noticed that with kas 5.0 debian-trixie and using own keys in
>>>>> isar-bootstrap, one runs into the issue that apt-key is deprecated
>>>>> with trixie.
>>>>>
>>>>> With:
>>>>> +PREFERRED_PROVIDER_bootstrap-host ??= "isar-bootstrap-host"
>>>>> +PREFERRED_PROVIDER_bootstrap-target ??= "isar-bootstrap-target"
>>>>> & setting e.g., HOST_DISTRO_BOOTSTRAP_KEYS for the
>>>>> isar-bootstrap-host target, the do_generate_keyrings task returns an
>>>>> error:
>>>>> sudo: apt-key: command not found
>>>>
>>>> That's a bug...
>>>>
>>>>>
>>>>> The isar testsuite is not covering isar-bootstrap.
>>>>>
>>>>> The question is, is the support of bootstrap even needed nowadays or
>>>>> can it be removed from isar?
>>>>
>>>> I also expected that we can sunset the old bootstrap implementation,
>>>> but apparently this implementation just got a patch so that it can be
>>>> used for building openKylinOS via ISAR [1]. Looks like we still have
>>>> users on it.
>>>>
>>>> [1] "bitbake: Move the preferred bootstrap assignment before
>>>> including local.conf"
>>>>
>>>
>>> Before blocking the removal of this untested legacy code due to some
>>> not-yet-upstream-proposed extension, I would like to first of all see
>>> that extension proposed and secondly get explained why openKylinOS
>>> does not work with mmdebstrap. Or does it bring its own bootstrap?
>>>
>>
>> Ping - specifically to our openKylinOS expect. ;)
> 
> 
> OpenKylinOS does support build its own rootfs through both debootstrap and mmdebstrap.
> It just got failed when building via ISAR with mmdebstrap.
> 
> I am trying to figure out why it happens.
> 
> Dropping isar-bootstrap might affect building OpenkylinOS in the short term, but eventually it
> will work with mmdebstrap.
> 
> Liu Yi

This should not be a showstopper.>
>>
>> There are only two options:
>>   A) fix the isar-bootstrap issue Clara found AND re-add isar-bootstrap
>>      to some tests
>>   B) drop isar-bootstrap, maybe only leaving bootstrap-host/target for
>>      now so that downstream can still override where needed
>>
>> Leaving things as they are or only doing half of option A) are no alternatives.
>>
>> Jan
>>
>> --
>> Siemens AG, Foundational Technologies
>> Linux Expert Center
So far, no one has come forward who absolutely needs isar-bootstrap. 
With that, I would go with option B and send the patch to remove 
isar-bootstrap support.

Best regards,
Clara

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