[PATCH v3 00/10] Add SBOM generation with debsbom

["'Felix Moessbauer' via isar-users" <isar-users@googlegroups.com>]

This patchset adds proper SBOM generation in the two standard formats
SPDX and CycloneDX during the rootfs generation process.

The generation is itself is handled by a SBOM generator  `debsbom` [1]
which is developed as an open source project at Siemens. It is still
early in development, but it has enough features for what we require
in isar. The required dependencies which are not yet available as
Debian packages were minimally packaged directly in isar too.

This is a followup of the previous RFC [2]. Since then the series has
changed a lot. The SBOM generation was moved from a simple OE lib to
`debsbom`. This also meant the introduction of a separate chroot was
necessary. The SBOM generation process was also moved from the image
step to the rootfs step, along with a lot of minor changes and
improvements.

[1] https://github.com/siemens/debsbom
[2] https://groups.google.com/g/isar-users/c/8L-CF4BJY0I/m/p0N3o_zfAAAJ

Changes since v2:

- fix issues when HOST_ARCH != DISTRO_ARCH on derived distributions
- update debsbom to v0.3.0, which fixes the Origin: bug reported in v2
- generate SBOM for imager as well and create merged sbom of .wic image
- resend imager manifest + wic manifest patches to reduce conflicts

Note, that the patches p1-p5 are most important as they add basic SBOM
support. The remaining patches address the imager + .wic bom part,
which also can be merged later on.

Changes since v1:

- remove tarball
- refactor packaging (auto-derive python dependencies)
- only build missing packages (varies on bookworm, trixie, noble)
- add ubuntu support
- only generate sboms for supported distributions (bookworm/jammy and
  onwards)
- update debsbom (includes bug fixes and more information for source
  packages)

Christoph Steiger (3):
  meta: package python libraries for SBOM generation
  meta: package python3-debsbom
  meta: add SBOM generation with debsbom

Felix Moessbauer (7):
  refactor: move get_rootfs_distro from sdk into rootfs
  override distro vendor in SBOM on Ubuntu
  add support to add imager dependencies to BOM
  wic: create uniform manifest describing all image components
  qemuamd64: add IMAGER_BOM entries
  imager: create SBOM of IMAGER_BOM packages
  wic: create uniform SBOM describing all image components

 doc/user_manual.md                            |  1 +
 meta-isar/conf/distro/ubuntu-common.inc       |  2 +
 meta-isar/conf/machine/qemuamd64.conf         |  1 +
 meta/classes/image-tools-extension.bbclass    | 29 +++++++++
 meta/classes/image.bbclass                    | 14 +++-
 meta/classes/imagetypes_wic.bbclass           | 30 +++++++++
 meta/classes/initramfs.bbclass                |  3 +-
 meta/classes/rootfs.bbclass                   | 16 ++++-
 meta/classes/sbom.bbclass                     | 64 +++++++++++++++++++
 meta/classes/sdk.bbclass                      | 10 +--
 .../sbom-chroot/sbom-chroot.bb                | 30 +++++++++
 .../python3-beartype/files/rules              |  8 +++
 .../python3-beartype_0.19.0.bb                | 29 +++++++++
 .../files/pybuild.testfiles                   |  1 +
 .../python3-cyclonedx-lib/files/rules         |  8 +++
 .../python3-cyclonedx-lib_9.1.0.bb            | 48 ++++++++++++++
 ...icense-description-in-pyproject.toml.patch | 28 ++++++++
 .../python3-debsbom/files/rules               |  8 +++
 .../python3-debsbom/python3-debsbom_0.3.0.bb  | 45 +++++++++++++
 .../python3-packageurl/files/rules            |  8 +++
 .../python3-packageurl_0.16.0.bb              | 33 ++++++++++
 .../python3-py-serializable/files/rules       |  8 +++
 .../python3-py-serializable_2.0.0.bb          | 38 +++++++++++
 .../python3-spdx-tools/files/rules            | 25 ++++++++
 .../python3-spdx-tools_0.8.3.bb               | 46 +++++++++++++
 25 files changed, 521 insertions(+), 12 deletions(-)
 create mode 100644 meta/classes/sbom.bbclass
 create mode 100644 meta/recipes-devtools/sbom-chroot/sbom-chroot.bb
 create mode 100644 meta/recipes-support/python3-beartype/files/rules
 create mode 100644 meta/recipes-support/python3-beartype/python3-beartype_0.19.0.bb
 create mode 100644 meta/recipes-support/python3-cyclonedx-lib/files/pybuild.testfiles
 create mode 100644 meta/recipes-support/python3-cyclonedx-lib/files/rules
 create mode 100644 meta/recipes-support/python3-cyclonedx-lib/python3-cyclonedx-lib_9.1.0.bb
 create mode 100644 meta/recipes-support/python3-debsbom/files/0001-Use-old-license-description-in-pyproject.toml.patch
 create mode 100644 meta/recipes-support/python3-debsbom/files/rules
 create mode 100644 meta/recipes-support/python3-debsbom/python3-debsbom_0.3.0.bb
 create mode 100644 meta/recipes-support/python3-packageurl/files/rules
 create mode 100644 meta/recipes-support/python3-packageurl/python3-packageurl_0.16.0.bb
 create mode 100644 meta/recipes-support/python3-py-serializable/files/rules
 create mode 100644 meta/recipes-support/python3-py-serializable/python3-py-serializable_2.0.0.bb
 create mode 100644 meta/recipes-support/python3-spdx-tools/files/rules
 create mode 100644 meta/recipes-support/python3-spdx-tools/python3-spdx-tools_0.8.3.bb

-- 
2.51.0

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