Werk #15459: filestats: Fix crash when monitoring a symlink with a non-existing target

Component

Checks & agents

Title

filestats: Fix crash when monitoring a symlink with a non-existing target

Date

Mar 27, 2023

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.3.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0b3	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p26	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Until now, the check plugin would crash if a monitored file didn't have age and size information. This case is possible for symlinks with a non-existing target, files that vanished during agent plugin run and in case of errors.

Now, the affected files will be ignored when calculating age and size extremes and the status of the file will be shown in case of 'Single file' aggregation.

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