Remove bootstrap support

[Clara Kowalsky]

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

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?

Best regards,
Clara Kowalsky

[MOESSBAUER, Felix]

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"

Felix

>
> Best regards,
> Clara Kowalsky
>
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[Jan Kiszka]

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?

Jan

--
Siemens AG, Foundational Technologies
Linux Expert Center

[Jan Kiszka]

Ping - specifically to our openKylinOS expect. ;)

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.