Occasionally there are truncated journals failing this test:
[ 884.181701] H TEST-04-JOURNAL.sh[12104]: ++ journalctl --no-hostname -n 1 -t bash --invocation=fe8122a7d8eb42c7bf357ac5fafa95e1
[ 884.181749] H TEST-04-JOURNAL.sh[12091]: + assert_in 'invocation 1 fe8122a7d8eb42c7bf357ac5fafa95e1' 'Nov 06 17:27:10 bash[11985]: invocation 1 fe8122a7d8eb42c7bf357ac5fafa95e1'
[ 884.181773] H TEST-04-JOURNAL.sh[12105]: + set +ex
[ 884.181819] H TEST-04-JOURNAL.sh[12091]: + read -r idx invocation _
[ 884.181819] H TEST-04-JOURNAL.sh[12091]: + i=2
[ 884.181865] H TEST-04-JOURNAL.sh[12106]: ++ journalctl --no-hostname -n 1 -t bash --invocation=2 -u invocation-id-test-20992
[ 884.181865] H TEST-04-JOURNAL.sh[12106]: Journal file /var/log/journal/936183a66e7c47939693ae37a967e4fd/system.journal is truncated, ignoring file.
[ 884.181865] H TEST-04-JOURNAL.sh[12106]: No journal entry found for the invocation (+2).
[ 884.181952] H TEST-04-JOURNAL.sh[12091]: + assert_in 'invocation 2 07d0bd6b5c654b148541d798abccaa96' ''
[ 884.181972] H TEST-04-JOURNAL.sh[12107]: + set +ex
[ 884.181972] H TEST-04-JOURNAL.sh[12107]: FAIL: 'invocation 2 07d0bd6b5c654b148541d798abccaa96' not found in:
Rotate it at the beginning of the test case to try and avoid this.
Fixes https://github.com/systemd/systemd/issues/39601
Luca Boccassi
2db3e403ae