KIWI - Appliance Builder Next Generation
EL8 fork
Andrew Lukoshko
881bb46fcb
On RHEL 8-based distributions, grub2-mkconfig uses the
grub.d/10_linux_bls script which reads Boot Loader Specification
(BLS) entries from /boot/loader/entries/ and inlines them as
menuentry blocks directly in grub.cfg. This is different from
RHEL 9+ where grub.d/10_linux uses the blscfg command to load
BLS entries at boot time.
When kiwi builds a disk image, kernel packages are installed into
a chroot (the image root). The BLS entries created by the kernel
scriptlets at that point contain:
- linux/initrd paths prefixed with the build host's image root
path (e.g. /var/tmp/kiwi-build/build/image-root/boot/vmlinuz-...)
- an options line from the build host's /proc/cmdline
Previously, kiwi corrected these BLS entries only *after* running
grub2-mkconfig. On RHEL 9+ this works fine because grub.cfg just
contains blscfg and reads the (now corrected) BLS entries at boot
time. On RHEL 8, however, grub2-mkconfig had already inlined the
*uncorrected* BLS entries into grub.cfg, resulting in wrong kernel
paths and boot options that caused the image to fail to boot.
This commit adds calls to _fix_grub_loader_entries_boot_cmdline()
and _fix_grub_loader_entries_linux_and_initrd_paths() before
grub2-mkconfig, so that BLS entries are corrected before they get
inlined into grub.cfg. The existing post-grub2-mkconfig calls are
retained because grub2-mkconfig itself may re-create or modify BLS
entries on some distributions.
Fixes boot failure on AlmaLinux 8 ppc64le GenericCloud images built
with kiwi where grub.cfg contained build-root paths like:
linux /var/tmp/kiwi-build/build/image-root/boot/vmlinuz-4.18.0-...
instead of:
linux /vmlinuz-4.18.0-...
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| .github | ||
| build-tests | ||
| doc | ||
| dracut/modules.d | ||
| helper | ||
| kiwi | ||
| package | ||
| test | ||
| tools | ||
| .bumpversion.cfg | ||
| .codacy.yml | ||
| .gitattributes | ||
| .gitignore | ||
| .gitlab-ci-disabled.yml | ||
| .mailmap | ||
| .obs_test | ||
| .obs_test_status | ||
| .virtualenv.dev-requirements.txt | ||
| .virtualenv.requirements.txt | ||
| kiwi.yml | ||
| LICENSE | ||
| Makefile | ||
| MANIFEST.in | ||
| README.rst | ||
| setup.cfg | ||
| setup.py | ||
| tox.ini | ||
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