Werk #12878: systemd_units: Handle "●" as marker for broken units correctly

Component Checks & agents
Title systemd_units: Handle "●" as marker for broken units correctly
Date Aug 25, 2021
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.1.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The check plugin systemd_units, which monitors systemd units, did not handle "●" as a marker for broken units correctly. This marker is used when LC_ALL="C.UTF-8", which is set by the Checkmk linux agent.

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