Always purge all but one incomplete backups #778
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adejanovski
requested changes
Jun 26, 2024
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Sadly we're not there yet.
I've tested this and incomplete backups remain after a purge.
Before:
medusa-test-dc1-schedule-1719391860 (started: 2024-06-26 08:51:16, finished: 2024-06-26 08:51:27)
medusa-test-dc1-schedule-1719391920 (started: 2024-06-26 08:52:16, finished: 2024-06-26 08:52:26)
medusa-test-dc1-schedule-1719391980 (started: 2024-06-26 08:53:16, finished: 2024-06-26 08:53:27)
medusa-test-dc1-schedule-1719392040 (started: 2024-06-26 08:54:16, finished: 2024-06-26 08:54:26)
medusa-test-dc1-schedule-1719392100 (started: 2024-06-26 08:55:15, finished: 2024-06-26 08:55:27)
medusa-test-dc1-schedule-1719392160 (started: 2024-06-26 08:56:15, finished: 2024-06-26 08:56:26)
medusa-test-dc1-schedule-1719392220 (started: 2024-06-26 08:57:15, finished: 2024-06-26 08:57:26)
medusa-test-dc1-schedule-1719392280 (started: 2024-06-26 08:58:15, finished: 2024-06-26 08:58:27)
medusa-test-dc1-schedule-1719392340 (started: 2024-06-26 08:59:16, finished: 2024-06-26 08:59:26)
my-backup1 (started: 2024-06-26 09:00:28, finished: Incomplete [1 of 3 nodes finished])
my-backup2 (started: 2024-06-26 09:00:52, finished: Incomplete [1 of 3 nodes finished])
my-backup3 (started: 2024-06-26 09:01:16, finished: Incomplete [1 of 3 nodes finished])
After purge (with a max_backup_count of 10):
medusa-test-dc1-schedule-1719391980 (started: 2024-06-26 08:53:16, finished: 2024-06-26 08:53:27)
medusa-test-dc1-schedule-1719392040 (started: 2024-06-26 08:54:16, finished: 2024-06-26 08:54:26)
medusa-test-dc1-schedule-1719392100 (started: 2024-06-26 08:55:15, finished: 2024-06-26 08:55:27)
medusa-test-dc1-schedule-1719392160 (started: 2024-06-26 08:56:15, finished: 2024-06-26 08:56:26)
medusa-test-dc1-schedule-1719392220 (started: 2024-06-26 08:57:15, finished: 2024-06-26 08:57:26)
medusa-test-dc1-schedule-1719392280 (started: 2024-06-26 08:58:15, finished: 2024-06-26 08:58:27)
medusa-test-dc1-schedule-1719392340 (started: 2024-06-26 08:59:16, finished: 2024-06-26 08:59:26)
my-backup1 (started: 2024-06-26 09:00:28, finished: Incomplete [1 of 3 nodes finished])
my-backup2 (started: 2024-06-26 09:00:52, finished: Incomplete [1 of 3 nodes finished])
my-backup3 (started: 2024-06-26 09:01:16, finished: Incomplete [1 of 3 nodes finished])
| def backups_to_purge_by_completion(backups): | ||
| complete, incomplete = [], [] | ||
| for backup in backups: | ||
| complete.append(backup) if backup.finished is not None else incomplete.append(backup) |
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Issue: This doesn't work the expected way I think. Here, the completeness of the backup is checked for the local node only (we're dealing with a NodeBackup, not a ClusterBackup).
Hence, any incomplete ClusterBackup would still be considered a complete backup for the purge process.
Remember that the purge is done locally for a node, it's not a global operation and has to run on each node.
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Fixes #607