Werk #12167: Fixed acknowledgement expiry

Component Core & Setup
Title Fixed acknowledgement expiry
Date Feb 15, 2021
Checkmk Editon Checkmk Enterprise (CEE)
Checkmk Version 2.0.0b7 2.1.0i1
Level Prominent Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Previously, the expiration mechanism for acknowledgements ignored the "persistent" flag, so the corresponding comments always vanished after expiration. Furthermore, the expiration of one acknowledgement didn't remove all other acknowledgements for the same host/service.

Both aspects were inconsistent with the behavior of the manual removal of acknowledgements, which was quite confusing and unintended. This has been fixed, so acknowledgement expiry is identical to manual removal at the given point in time.

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