reposync: import GPG keys to RPM DB individually (bsc#1217003)

[meaksh]

What does this PR change?

This PR refactors the code around GPG keys importing from Spacewalk keyring to the RPM DB that is used by Zypper during spacewalk-repo-sync execution:

• GPG keys are processed individually, instead of all in the same file.
• Continue processing keys even if there are errors in some of them.
• Enhance related import logging.

GUI diff

No difference.

• [x] DONE

Documentation

• No documentation needed: only internal and user invisible changes

• [x] DONE

Test coverage

• No tests: already covered at accepteance tests. No unit tests for GPG keys import

• [x] DONE

Links

Issue(s):

• https://github.com/SUSE/spacewalk/issues/23150
• https://github.com/uyuni-project/uyuni/issues/8176 (?)

Ports(s): https://github.com/SUSE/spacewalk/pull/23629

• [x] DONE

Changelogs

Make sure the changelogs entries you are adding are compliant with https://github.com/uyuni-project/uyuni/wiki/Contributing#changelogs and https://github.com/uyuni-project/uyuni/wiki/Contributing#uyuni-projectuyuni-repository

If you don't need a changelog check, please mark this checkbox:

• [ ] No changelog needed

If you uncheck the checkbox after the PR is created, you will need to re-run changelog_test (see below)

Re-run a test

If you need to re-run a test, please mark the related checkbox, it will be unchecked automatically once it has re-run:

• [ ] Re-run test "changelog_test"
• [ ] Re-run test "backend_unittests_pgsql"
• [ ] Re-run test "java_pgsql_tests"
• [ ] Re-run test "schema_migration_test_pgsql"
• [ ] Re-run test "susemanager_unittests"
• [ ] Re-run test "javascript_lint"
• [ ] Re-run test "spacecmd_unittests"

Before you merge

Check How to branch and merge properly!

[jordimassaguerpla]

Hi ! We fixed a spelling mistake in the name of the tests and you will have to rebase your PR for the correct tests to run. Sorry for the inconvenience.

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This PR was closed because it has been stalled for 10 days with no activity.