Werk #18021: Logwatch grouping: fix crash on KeyError host_name

Name: checkmk
Rating: 4.7 (114 reviews)

Component

Checks & agents

Title

Logwatch grouping: fix crash on KeyError host_name

Date

May 7, 2025

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0p1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The logwatch check plugin, if configured via the Logfile Grouping rule, crashed with the following error:

  File "/omd/sites/site_name/lib/python3/cmk/checkengine/parameters.py", line 34, in __getitem__
    return self._data[key]
'host_name'