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Improve checks against modified default repositories

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This commit is contained in:
lumarel 2021-06-20 23:08:30 +02:00
parent 5fd8f36329
commit 00cff404c8
2 changed files with 18 additions and 10 deletions
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21
migrate2rocky/README.md
View File

@ -16,15 +16,20 @@ Running this script will convert an existing CentOS 8 system to Rocky Linux 8.
### Known Issues
#### Katello clashes
#### Custom replacements of default repositories
Katello installs its own repositories via subscription-manager that are meant to
replace the ones from CentOS, but it does not remove, or even disable, the
corresponding CentOS repositories. This would cause issues to a normal running
system, but it is especially problematic for migrate2rocky as it means that
migrate2rocky cannot properly determine which repositories to remove and
attempting to run migrate2rocky on a katello will likely result in a corrupted
system.
This script expects the **original repository configuration being present, as well
as enabled** (i.e. for CentOS the `baseos` repo configuration in the
`/etc/yum.repos.d/CentOS-Linux-BaseOS.repo` file has to be present and enabled).
Also make sure that there are **no other repositories** which could interfere with the
original configuration.
As long as the original repository configuration is disabled and a new alternative
repository gets added in a different file, or not the only repo that provides the
base packages, the migration result will end in a corrupted system.
This especially happens on systems configured with a centralized package management
like Katello (RedHat Satellite 6) or Uyuni (RedHat Satellite 5, SUSE Manager).
#### RHEL migrations show error messages during conversion

7
migrate2rocky/migrate2rocky.sh
View File

@ -188,8 +188,11 @@ exit_clean () {
}
pre_check () {
if [[ -e /etc/rhsm/ca/katello-server-ca.pem ]]; then
exit_message "Migration from Katello-modified systems is not supported by migrate2rocky."
if [[ -e /etc/yum.repos.d/redhat.repo ]]; then
exit_message "Migration from Katello-modified systems is not supported by migrate2rocky.\nPlease unconfigure all Katello configured repos, remove the /etc/yum.repos.d/redhat.repo file and re-enable the original repos."
fi
if [[ -e /etc/yum.repos.d/susemanager\:channels.repo ]]; then
exit_message "Migration from Uyuni-modified systems is not supported by migrate2rocky.\nPlease unconfigure all Uyuni configured repos, remove the /etc/yum.repos.d/susemanager:channels.repo file and re-enable the original repos."
fi
}