Werk #15342: systemd_units_*_summary: Support units without description

Component Checks & agents
Title systemd_units_*_summary: Support units without description
Date Aug 20, 2024
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.4.0b1
Not yet released
Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p25 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The parser assumed that there is always a description, but systemd seems to be okay with units without description.

The units were still detected but some service details were missing, for example how long the service was in a temporary state.

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