Werk #16176: postfix: Fix Postfix status monitoring for agents run in Docker

Komponente Checks & agents
Titel postfix: Fix Postfix status monitoring for agents run in Docker
Datum 13.03.2024
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen
Checkmk versions & editions
2.4.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0b4 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p26 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Previously, Checkmk agent used the data from /proc to determine if Postfix instance is running. Since docker containers don't have permissions to read /proc, the agent always reported the Postfix instance as 'not running'.

This resulted in CRIT 'Postfix status' service even if Postfix instance was running correctly.

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