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Workaround for ARM Upgrades from RHEL8 to RHEL9.5 onwards (GRUB and kernel incompatibility) #1275

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merged 1 commit into from
Nov 12, 2024
Merged

Workaround for ARM Upgrades from RHEL8 to RHEL9.5 onwards (GRUB and kernel incompatibility) #1275

merged 1 commit into from
Nov 12, 2024

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dkubek
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@dkubek dkubek commented Aug 8, 2024 •
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This actor addresses an issue encountered during the upgrade process on ARM systems. Specifically, the problem arises due to an incompatibility between the GRUB bootloader used in RHEL 8 and the newer kernels from RHEL 9.5 onwards. When the kernel of the target system is loaded using the bootloader from the source system, this incompatibility causes the bootloader to crash, halting the upgrade.

To mitigate this issue, the following steps are implemented:

Before the Upgrade (handled by AddArmBootloaderWorkaround):

  • Create a new Upgrade EFI entry:

    • A new EFI boot entry is created and populated with the updated RHEL 9 bootloader that is compatible with the new kernel.

  • Preserve the original EFI boot entry and GRUB configuration:

    • The original EFI boot entry and GRUB configuration remain unchanged to ensure system stability.

After the Upgrade (handled by RemoveUpgradeEFIEntry):

  • Remove the upgrade EFI boot entry:
    • The temporary EFI boot entry created for the upgrade is removed to restore the system to its pre-upgrade state.

TODO:

  • Add description of the grub library to docs

JIRA: 41193

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Thank you for contributing to the Leapp project!

Please note that every PR needs to comply with the Leapp Guidelines and must pass all tests in order to be mergeable.
If you want to request a review or rebuild a package in copr, you can use following commands as a comment:

  • review please @oamg/developers to notify leapp developers of the review request
  • /packit copr-build to submit a public copr build using packit

Packit will automatically schedule regression tests for this PR's build and latest upstream leapp build.
However, here are additional useful commands for packit:

  • /packit test to re-run manually the default tests
  • /packit retest-failed to re-run failed tests manually
  • /packit test oamg/leapp#42 to run tests with leapp builds for the leapp PR#42 (default is latest upstream - master - build)

Note that first time contributors cannot run tests automatically - they need to be started by a reviewer.

It is possible to schedule specific on-demand tests as well. Currently 2 test sets are supported, beaker-minimal and kernel-rt, both can be used to be run on all upgrade paths or just a couple of specific ones.
To launch on-demand tests with packit:

  • /packit test --labels kernel-rt to schedule kernel-rt tests set for all upgrade paths
  • /packit test --labels beaker-minimal-8.10to9.4,kernel-rt-8.10to9.4 to schedule kernel-rt and beaker-minimal test sets for 8.10->9.4 upgrade path

See other labels for particular jobs defined in the .packit.yaml file.

Please open ticket in case you experience technical problem with the CI. (RH internal only)

Note: In case there are problems with tests not being triggered automatically on new PR/commit or pending for a long time, please contact leapp-infra.

@pirat89 pirat89 added this to the 8.10/9.6 milestone Aug 8, 2024
@pirat89 pirat89 added the bug Something isn't working label Aug 8, 2024
@dkubek dkubek force-pushed the arm_bootloader_fix branch from c434dbe to 2e00536 Compare August 19, 2024 10:11
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dkubek commented Aug 24, 2024

/packit copr-build

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Based on your Packit configuration the settings of the @oamg/leapp Copr project would need to be updated as follows:

field old value new value
bootstrap on default

Packit was unable to update the settings above as it is missing admin permissions on the @oamg/leapp Copr project.

To fix this you can do one of the following:

  • Grant Packit admin permissions on the @oamg/leapp Copr project on the permissions page.
  • Change the above Copr project settings manually on the settings page to match the Packit configuration.
  • Update the Packit configuration to match the Copr project settings.

Please retrigger the build, once the issue above is fixed.

@dkubek dkubek force-pushed the arm_bootloader_fix branch from 0fbc27c to ca62d5b Compare November 7, 2024 11:55
@dkubek dkubek marked this pull request as ready for review November 7, 2024 11:55
@dkubek dkubek force-pushed the arm_bootloader_fix branch 3 times, most recently from bf761fe to 6c9929e Compare November 7, 2024 13:08
matejmatuska
matejmatuska requested changes Nov 7, 2024
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A few comments, other than that it's OK.

@dkubek dkubek force-pushed the arm_bootloader_fix branch from 6c9929e to 680e8fa Compare November 10, 2024 13:58
@dkubek
Workaround for ARM Upgrades from RHEL8 to RHEL9.5+
6474514 
Address issue with ARM system upgrades from RHEL 8 to RHEL 9.5+ caused
by GRUB bootloader incompatibility with newer kernels. When attempting
to load the RHEL 9.5+ kernel using the RHEL 8 bootloader, the upgrade
process halts due to a boot crash.

JIRA: 41193
@dkubek dkubek force-pushed the arm_bootloader_fix branch from 680e8fa to 6474514 Compare November 10, 2024 14:10
matejmatuska
matejmatuska approved these changes Nov 12, 2024
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Code-wise LGTM

@matejmatuska matejmatuska merged commit abcf7a5 into oamg:main Nov 12, 2024
26 checks passed
@matejmatuska matejmatuska added the changelog-checked The merger/reviewer checked the changelog draft document and updated it when relevant label Nov 12, 2024
pirat89 added a commit to pirat89/leapp-repository that referenced this pull request Feb 14, 2025
@pirat89
# Release 0.22.0
686adf4 
## Announce
This is the last upstream release covering IPU 7 -> 8. The
system_upgrade_el7toel8 repository is going to be removed from further
releases. Other artifacts related to IPU 7 -> 8 are going to be removed too.

In the same time it's the last release compatible with Python 2.7. Since now
we are going to develope and test the code only for Python 3.6 and newer.

## Packaging
- [IPU 9 -> 10] Require libdb-utils on RHEL 9 (oamg#1289)
- Require leapp-framework 6.0+ (oamg#1142)
- Update leapp-deps package to satisfy leapp_framework_deps 6 (oamg#1142)

## Upgrade handling
### Fixes
- Activate LVM VGs with `--sysinit` option to correct the use in the upgrade initramfs (oamg#1329)
- Cap max size of the sparse files to 1TiB when storage with large amount of space (oamg#1294)
- Fix IPU being blocked by resource limitations (oamg#1256)
- Fix pes events scanner crashing when there are duplicate packages in the received instructions (oamg#1296)
- Fix pes events scanner not respecting user’s transaction configuration (oamg#1296)
- Fix storage scanner crashing when command outputs contain colon character (oamg#1258)
- Fix the report when handling broken parsing of kernel cmdline (oamg#1290)
- Generate proper error message instead ModelViolationError when parsing invalid repository definition (oamg#1266)
- Handle default kernel cmdline when multiple boot entries for the default kernel are defined (oamg#1302)
- Load all available obsoleted keys (oamg#1286)
- Prevent a possible crash with LiveMode when adding the upgrade boot entry on LVM systems (oamg#1313)
- Prevent failure for upgrade paths when obsoleted keys are not defined (oamg#1285)
- [IPU 7 -> 8] Ignore invalid firewalld configuration (oamg#1341)
- [IPU 7 -> 8] scangrubdevpartitionlayout: Skip warning msgs from fdisk (oamg#1306)
- [IPU 8 -> 9] Fix problems with the bootloader when upgrading to RHEL 9.6 on ARM (oamg#1275, oamg#1331, oamg#1339)
- [IPU 9 -> 10] Fix output of commands executed inside systemd-nspawn containers (oamg#1323)
- [IPU 9 -> 10] Fix remediation instructions for deprecated NM configuration (oamg#1330)
- [IPU 9 -> 10] Obsolete RHEL9 GPG key signed with SHA1 (oamg#1325)

### Enhancements
- Add RHEL 9.6 and 10.0 product certificates (oamg#1287, oamg#1309)
- Introduce new IPU paths 8.10 -> 9.6 and 9.6 -> 10.0 (oamg#1309)
- Add possibility to use net.naming-scheme (for IPU 8 -> 9 only for now) (oamg#1215, oamg#1312)
- Drop upgrade paths related to RHEL 8.8, 9.2, and 9.5 (oamg#1309, oamg#1344)
- Enable upgrade for EL8+ systems with LUKS bound to Clevis with TPM 2.0 token (oamg#1200)
- Enable upgrade with RHUI on Alibaba cloud for ARM machines (oamg#1277)
- Introduce a possibility to configure leapp actors covering RHUI on clouds (oamg#1142)
- Minor improvements in preupgrade reports (oamg#1315, oamg#1326, oamg#1342)
- Raise an inhibitor if unsupported target version supplied instead of error (oamg#1328)
- Skip checking of (PKI) `directory-hash` dir to speedup the upgrade process and clean logs (oamg#1297)
- Update leapp upgrade data files (oamg#1307)
- [IPU 9 -> 10] Cover upgrades for MySQL and PostgreSQL databases (oamg#1316, oamg#1343)
- [IPU 9 -> 10] Detect OpenSSL engines configured in /etc/pki/tls/openssl.cnf (oamg#1338)
- [IPU 9 -> 10] Detect XFS file systems with problematic parameters (oamg#1318)
- [IPU 9 -> 10] Detect deprecated network-scripts (ifcfg) files (oamg#1332, oamg#1347)
- [IPU 9 -> 10] Detect whether subscribed systems are using SCA (oamg#1333)
- [IPU 9 -> 10] Handle correctly switch of symlink to directory when upgrading Ruby IRB (oamg#1304)
- [IPU 9 -> 10] Inform user about Libdb removal if present (oamg#1319)
- [IPU 9 -> 10] Inhibit the upgrade for Intel CPUs with microarchitecture x86_64-v2 (oamg#1196)
- [IPU 9 -> 10] Move crypto-policies related actors to the system_upgrade_common repository to apply it for IPU 9 -> 10 as well
- [IPU 9 -> 10] Update checks for SAP HANA (oamg#1346)
- [IPU 9 -> 10] Update pam_userdb database backend for RHEL10 (oamg#1289)
pirat89 added a commit to pirat89/leapp-repository that referenced this pull request Feb 14, 2025
@pirat89
# Release 0.22.0
2975cde 
## Announce
This is the last upstream release covering IPU 7 -> 8. The
system_upgrade_el7toel8 repository is going to be removed from further
releases. Other artifacts related to IPU 7 -> 8 are going to be removed too.

In the same time it's the last release compatible with Python 2.7. Since now
we are going to develope and test the code only for Python 3.6 and newer.

## Packaging
- [IPU 9 -> 10] Require libdb-utils on RHEL 9 (oamg#1289)
- Require leapp-framework 6.0+ (oamg#1142)
- Update leapp-deps package to satisfy leapp_framework_deps 6 (oamg#1142)

## Upgrade handling
### Fixes
- Activate LVM VGs with `--sysinit` option to correct the use in the upgrade initramfs (oamg#1329)
- Cap max size of the sparse files to 1TiB when storage with large amount of space (oamg#1294)
- Fix IPU being blocked by resource limitations (oamg#1256)
- Fix pes events scanner crashing when there are duplicate packages in the received instructions (oamg#1296)
- Fix pes events scanner not respecting user’s transaction configuration (oamg#1296)
- Fix storage scanner crashing when command outputs contain colon character (oamg#1258)
- Fix the report when handling broken parsing of kernel cmdline (oamg#1290)
- Generate proper error message instead ModelViolationError when parsing invalid repository definition (oamg#1266)
- Handle default kernel cmdline when multiple boot entries for the default kernel are defined (oamg#1302)
- Load all available obsoleted keys (oamg#1286)
- Prevent a possible crash with LiveMode when adding the upgrade boot entry on LVM systems (oamg#1313)
- Prevent failure for upgrade paths when obsoleted keys are not defined (oamg#1285)
- [IPU 7 -> 8] Ignore invalid firewalld configuration (oamg#1341)
- [IPU 7 -> 8] scangrubdevpartitionlayout: Skip warning msgs from fdisk (oamg#1306)
- [IPU 8 -> 9] Fix problems with the bootloader when upgrading to RHEL 9.6 on ARM (oamg#1275, oamg#1331, oamg#1339)
- [IPU 9 -> 10] Fix output of commands executed inside systemd-nspawn containers (oamg#1323)
- [IPU 9 -> 10] Fix remediation instructions for deprecated NM configuration (oamg#1330)
- [IPU 9 -> 10] Obsolete RHEL9 GPG key signed with SHA1 (oamg#1325)

### Enhancements
- Add RHEL 9.6 and 10.0 product certificates (oamg#1287, oamg#1309)
- Introduce new IPU paths 8.10 -> 9.6 and 9.6 -> 10.0 (oamg#1309)
- Add possibility to use net.naming-scheme (for IPU 8 -> 9 only for now) (oamg#1215, oamg#1312)
- Drop upgrade paths related to RHEL 8.8, 9.2, and 9.5 (oamg#1309, oamg#1344)
- Enable upgrade for EL8+ systems with LUKS bound to Clevis with TPM 2.0 token (oamg#1200)
- Enable upgrade with RHUI on Alibaba cloud for ARM machines (oamg#1277)
- Introduce a possibility to configure leapp actors covering RHUI on clouds (oamg#1142)
- Minor improvements in preupgrade reports (oamg#1315, oamg#1326, oamg#1342)
- Raise an inhibitor if unsupported target version supplied instead of error (oamg#1328)
- Skip checking of (PKI) `directory-hash` dir to speedup the upgrade process and clean logs (oamg#1297)
- Update leapp upgrade data files (oamg#1307)
- [IPU 9 -> 10] Cover upgrades for MySQL and PostgreSQL databases (oamg#1316, oamg#1343)
- [IPU 9 -> 10] Detect OpenSSL engines configured in /etc/pki/tls/openssl.cnf (oamg#1338)
- [IPU 9 -> 10] Detect XFS file systems with problematic parameters (oamg#1318)
- [IPU 9 -> 10] Detect deprecated network-scripts (ifcfg) files (oamg#1332, oamg#1347)
- [IPU 9 -> 10] Detect whether subscribed systems are using SCA (oamg#1333)
- [IPU 9 -> 10] Handle correctly switch of symlink to directory when upgrading Ruby IRB (oamg#1304)
- [IPU 9 -> 10] Inform user about Libdb removal if present (oamg#1319)
- [IPU 9 -> 10] Inhibit the upgrade for Intel CPUs with microarchitecture x86_64-v2 (oamg#1196)
- [IPU 9 -> 10] Move crypto-policies related actors to the system_upgrade_common repository to apply it for IPU 9 -> 10 as well
- [IPU 9 -> 10] Update checks for SAP HANA (oamg#1346)
- [IPU 9 -> 10] Update pam_userdb database backend for RHEL10 (oamg#1289)

## Additional changes interesting for devels
- Introducing new upstream documentation focused on the leapp-repository
  project at https://leapp-repository.readthedocs.io/introduce-docs/.
  The documentation is still under reconstruction at this time, however we
  consider it a big step. All PRs impacting stuff that should be documented
  will be required to do so before they could be merged.
@pirat89 pirat89 mentioned this pull request Feb 14, 2025
Merged
pirat89 added a commit to pirat89/leapp-repository that referenced this pull request Feb 14, 2025
@pirat89
# Release 0.22.0
ec65b72 
## Announce
This is the last upstream release covering IPU 7 -> 8. The
system_upgrade_el7toel8 repository is going to be removed from further
releases. Other artifacts related to IPU 7 -> 8 are going to be removed too.

In the same time it's the last release compatible with Python 2.7. Since now
we are going to develope and test the code only for Python 3.6 and newer.

## Packaging
- [IPU 9 -> 10] Require libdb-utils on RHEL 9 (oamg#1289)
- Require leapp-framework 6.0+ (oamg#1142)
- Update leapp-deps package to satisfy leapp_framework_deps 6 (oamg#1142)

## Upgrade handling
### Fixes
- Activate LVM VGs with `--sysinit` option to correct the use in the upgrade initramfs (oamg#1329)
- Cap max size of the sparse files to 1TiB when storage with large amount of space (oamg#1294)
- Fix IPU being blocked by resource limitations (oamg#1256)
- Fix pes events scanner crashing when there are duplicate packages in the received instructions (oamg#1296)
- Fix pes events scanner not respecting user’s transaction configuration (oamg#1296)
- Fix storage scanner crashing when command outputs contain colon character (oamg#1258)
- Fix the report when handling broken parsing of kernel cmdline (oamg#1290)
- Generate proper error message instead ModelViolationError when parsing invalid repository definition (oamg#1266)
- Handle default kernel cmdline when multiple boot entries for the default kernel are defined (oamg#1302)
- Load all available obsoleted keys (oamg#1286)
- Prevent a possible crash with LiveMode when adding the upgrade boot entry on LVM systems (oamg#1313)
- Prevent failure for upgrade paths when obsoleted keys are not defined (oamg#1285)
- [IPU 7 -> 8] Ignore invalid firewalld configuration (oamg#1341)
- [IPU 7 -> 8] scangrubdevpartitionlayout: Skip warning msgs from fdisk (oamg#1306)
- [IPU 8 -> 9] Fix problems with the bootloader when upgrading to RHEL 9.6 on ARM (oamg#1275, oamg#1331, oamg#1339)
- [IPU 9 -> 10] Fix output of commands executed inside systemd-nspawn containers (oamg#1323)
- [IPU 9 -> 10] Fix remediation instructions for deprecated NM configuration (oamg#1330)
- [IPU 9 -> 10] Obsolete RHEL9 GPG key signed with SHA1 (oamg#1325)

### Enhancements
- Add RHEL 9.6 and 10.0 product certificates (oamg#1287, oamg#1309)
- Introduce new IPU paths 8.10 -> 9.6 and 9.6 -> 10.0 (oamg#1309)
- Add possibility to use net.naming-scheme (for IPU 8 -> 9 only for now) (oamg#1215, oamg#1312)
- Drop upgrade paths related to RHEL 8.8, 9.2, and 9.5 (oamg#1309, oamg#1344)
- Enable upgrade for EL8+ systems with LUKS bound to Clevis with TPM 2.0 token (oamg#1200)
- Enable upgrade with RHUI on Alibaba cloud for ARM machines (oamg#1277)
- Introduce a possibility to configure leapp actors covering RHUI on clouds (oamg#1142)
- Minor improvements in preupgrade reports (oamg#1315, oamg#1326, oamg#1342)
- Raise an inhibitor if unsupported target version supplied instead of error (oamg#1328)
- Skip checking of (PKI) `directory-hash` dir to speedup the upgrade process and clean logs (oamg#1297)
- Update leapp upgrade data files (oamg#1307)
- [IPU 9 -> 10] Cover upgrades for MySQL and PostgreSQL databases (oamg#1316, oamg#1343)
- [IPU 9 -> 10] Detect OpenSSL engines configured in /etc/pki/tls/openssl.cnf (oamg#1338)
- [IPU 9 -> 10] Detect XFS file systems with problematic parameters (oamg#1318)
- [IPU 9 -> 10] Detect deprecated network-scripts (ifcfg) files (oamg#1332, oamg#1347)
- [IPU 9 -> 10] Detect whether subscribed systems are using SCA (oamg#1333)
- [IPU 9 -> 10] Handle correctly switch of symlink to directory when upgrading Ruby IRB (oamg#1304)
- [IPU 9 -> 10] Inform user about Libdb removal if present (oamg#1319)
- [IPU 9 -> 10] Inhibit the upgrade for Intel CPUs with microarchitecture x86_64-v2 (oamg#1196)
- [IPU 9 -> 10] Move crypto-policies related actors to the system_upgrade_common repository to apply it for IPU 9 -> 10 as well
- [IPU 9 -> 10] Update checks for SAP HANA (oamg#1346)
- [IPU 9 -> 10] Update pam_userdb database backend for RHEL10 (oamg#1289)

## Additional changes interesting for devels
- Introducing new upstream documentation focused on the leapp-repository
  project at https://leapp-repository.readthedocs.io/introduce-docs/.
  The documentation is still under reconstruction at this time, however we
  consider it a big step. All PRs impacting stuff that should be documented
  will be required to do so before they could be merged.
pirat89 added a commit that referenced this pull request Feb 14, 2025
@pirat89
# Release 0.22.0
5187220 
## Announce
This is the last upstream release covering IPU 7 -> 8. The
system_upgrade_el7toel8 repository is going to be removed from further
releases. Other artifacts related to IPU 7 -> 8 are going to be removed too.

In the same time it's the last release compatible with Python 2.7. Since now
we are going to develope and test the code only for Python 3.6 and newer.

## Packaging
- [IPU 9 -> 10] Require libdb-utils on RHEL 9 (#1289)
- Require leapp-framework 6.0+ (#1142)
- Update leapp-deps package to satisfy leapp_framework_deps 6 (#1142)

## Upgrade handling
### Fixes
- Activate LVM VGs with `--sysinit` option to correct the use in the upgrade initramfs (#1329)
- Cap max size of the sparse files to 1TiB when storage with large amount of space (#1294)
- Fix IPU being blocked by resource limitations (#1256)
- Fix pes events scanner crashing when there are duplicate packages in the received instructions (#1296)
- Fix pes events scanner not respecting user’s transaction configuration (#1296)
- Fix storage scanner crashing when command outputs contain colon character (#1258)
- Fix the report when handling broken parsing of kernel cmdline (#1290)
- Generate proper error message instead ModelViolationError when parsing invalid repository definition (#1266)
- Handle default kernel cmdline when multiple boot entries for the default kernel are defined (#1302)
- Load all available obsoleted keys (#1286)
- Prevent a possible crash with LiveMode when adding the upgrade boot entry on LVM systems (#1313)
- Prevent failure for upgrade paths when obsoleted keys are not defined (#1285)
- [IPU 7 -> 8] Ignore invalid firewalld configuration (#1341)
- [IPU 7 -> 8] scangrubdevpartitionlayout: Skip warning msgs from fdisk (#1306)
- [IPU 8 -> 9] Fix problems with the bootloader when upgrading to RHEL 9.6 on ARM (#1275, #1331, #1339)
- [IPU 9 -> 10] Fix output of commands executed inside systemd-nspawn containers (#1323)
- [IPU 9 -> 10] Fix remediation instructions for deprecated NM configuration (#1330)
- [IPU 9 -> 10] Obsolete RHEL9 GPG key signed with SHA1 (#1325)

### Enhancements
- Add RHEL 9.6 and 10.0 product certificates (#1287, #1309)
- Introduce new IPU paths 8.10 -> 9.6 and 9.6 -> 10.0 (#1309)
- Add possibility to use net.naming-scheme (for IPU 8 -> 9 only for now) (#1215, #1312)
- Drop upgrade paths related to RHEL 8.8, 9.2, and 9.5 (#1309, #1344)
- Enable upgrade for EL8+ systems with LUKS bound to Clevis with TPM 2.0 token (#1200)
- Enable upgrade with RHUI on Alibaba cloud for ARM machines (#1277)
- Introduce a possibility to configure leapp actors covering RHUI on clouds (#1142)
- Minor improvements in preupgrade reports (#1315, #1326, #1342)
- Raise an inhibitor if unsupported target version supplied instead of error (#1328)
- Skip checking of (PKI) `directory-hash` dir to speedup the upgrade process and clean logs (#1297)
- Update leapp upgrade data files (#1307)
- [IPU 9 -> 10] Cover upgrades for MySQL and PostgreSQL databases (#1316, #1343)
- [IPU 9 -> 10] Detect OpenSSL engines configured in /etc/pki/tls/openssl.cnf (#1338)
- [IPU 9 -> 10] Detect XFS file systems with problematic parameters (#1318)
- [IPU 9 -> 10] Detect deprecated network-scripts (ifcfg) files (#1332, #1347)
- [IPU 9 -> 10] Detect whether subscribed systems are using SCA (#1333)
- [IPU 9 -> 10] Handle correctly switch of symlink to directory when upgrading Ruby IRB (#1304)
- [IPU 9 -> 10] Inform user about Libdb removal if present (#1319)
- [IPU 9 -> 10] Inhibit the upgrade for Intel CPUs with microarchitecture x86_64-v2 (#1196)
- [IPU 9 -> 10] Move crypto-policies related actors to the system_upgrade_common repository to apply it for IPU 9 -> 10 as well
- [IPU 9 -> 10] Update checks for SAP HANA (#1346)
- [IPU 9 -> 10] Update pam_userdb database backend for RHEL10 (#1289)

## Additional changes interesting for devels
- Introducing new upstream documentation focused on the leapp-repository
  project at https://leapp-repository.readthedocs.io/introduce-docs/.
  The documentation is still under reconstruction at this time, however we
  consider it a big step. All PRs impacting stuff that should be documented
  will be required to do so before they could be merged.
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@dkubek @matejmatuska @pirat89