RE: Remove bootstrap support

["'Liu, Yi' via isar-users" <isar-users@googlegroups.com>]

> -----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

> 
> 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

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