Re: [PATCH v11 0/8] Migrate to mmdebstrap

[Uladzimir Bely <ubely@ilbers.de>]

On Wed, 2024-11-06 at 10:21 +0200, Anton Mikanovich wrote:
> Switch Isar from debootstrap to mmdebstrap.
> 
> It makes isar-bootstrap target ~10..30% faster on both cross and
> native
> rootfs types. Some measurements on qemuarm64-bookworm (required debs
> are
> predownloaded and used during deb-dl-import):
> 
> - 20s vs 28s for "isar-bootstrap-host"
> - 1m32s vs 1m48s for "isar-bootstrap-target
> 
> Also mmdebstrap support using SOURCE_DATE_EPOCH for images
> reproducibly
> out of the box. But the main advantage is an ability to remove sudo
> for
> debootstrapping later on (this needs "uidmap" package installed).
> 
> This patchset was successfully tested with following downstreams:
> - cip-core
> - meta-iot2050
> - xenomai-images
> 
> This change breaks Debian Buster support as host distro, but previous
> isar-bootstrap (with Buster support) still can be selected by setting
> in local.conf:
> 
> PREFERRED_PROVIDER_bootstrap-host ?= "isar-bootstrap-host"
> PREFERRED_PROVIDER_bootstrap-target ?= "isar-bootstrap-target"
> 
> Changes since v10:
> - Rebase on next.
> 
> Changes since v9:
> - Rebase on next.
> - Separate common code into bbclass.
> - Skip deb cache on rootfs packing.
> 
> Changes since v8:
> - Rebase on next.
> - Keep isar-bootstrap recipes.
> - Implement bootstrap provider selection.
> 
> Changes since v7:
> - Rebase on next.
> 
> Changes since v6:
> - Reorder patches.
> 
> Changes since v5:
> - Improve keyring handling.
> - Fix mmdebstrap hooks.
> 
> Changes since v4:
> - Rebase on next.
> - Migrate from apt-key to gpg.
> - Fix Ubuntu and RPi targets.
> - Cleanup debootstrap mentions.
> - Fix commit messages.
> 
> Changes since v3:
> - Rebase on latest next.
> - Remove temporary patch 7 since kas:4.0 already includes mmdebstrap.
> 
> Changes since v2:
> - Rebase on next.
> - Fix commit messages.
> - Update host requirements.
> 
> Changes since v1:
> - Move mmdebstrap tmpdir to workdir.
> - Fix kas building.
> - Improve mounts cleanup.
> 
> Anton Mikanovich (8):
>   isar-bootstrap: Move common parts to bbclass
>   meta: Add mmdebstrap recipe
>   meta: Allow selecting bootstrap providers
>   testsuite: Allow variable bootstrap providers
>   mmdebstrap: Fix missing dpkg available
>   mmdebstrap: Move preparations to hooks
>   isar-bootstrap: Use tar output instead of directory
>   user_manual.md: Update boostrap related documentation
> 
>  RECIPE-API-CHANGELOG.md                       |  13 +
>  doc/user_manual.md                            |  15 +-
>  meta-isar/conf/local.conf.sample              |   4 +
>  meta/classes/bootstrap.bbclass                | 226 ++++++++++++++++
>  meta/classes/rootfs.bbclass                   |  13 +-
>  meta/conf/bitbake.conf                        |   3 +
>  .../isar-bootstrap/isar-bootstrap-host.bb     |   2 +
>  .../isar-bootstrap/isar-bootstrap-target.bb   |   2 +
>  .../isar-bootstrap/isar-bootstrap.inc         | 244 ++--------------
> --
>  .../isar-mmdebstrap/isar-mmdebstrap-host.bb   |  19 ++
>  .../isar-mmdebstrap/isar-mmdebstrap-target.bb |  14 +
>  .../isar-mmdebstrap/isar-mmdebstrap.inc       | 216 ++++++++++++++++
>  testsuite/cibase.py                           |   9 +-
>  13 files changed, 540 insertions(+), 240 deletions(-)
>  create mode 100644 meta/classes/bootstrap.bbclass
>  create mode 100644 meta/recipes-core/isar-mmdebstrap/isar-
> mmdebstrap-host.bb
>  create mode 100644 meta/recipes-core/isar-mmdebstrap/isar-
> mmdebstrap-target.bb
>  create mode 100644 meta/recipes-core/isar-mmdebstrap/isar-
> mmdebstrap.inc
> 
> -- 
> 2.34.1
> 

Hello all.

We would like to merge the patchset next week (Nov 19), if there a no
objections.

-- 
Best regards,
Uladzimir.



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