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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