Werk #15262: mk_postgres.py: Improved instance process detection

Component

Checks & agents

Title

mk_postgres.py: Improved instance process detection

Date

Feb 6, 2023

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.2.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p21	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
2.0.0p34	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This werk affects the monitoring of one or more PostgreSQL instances via the Postgres agent plugin for Linux. The changes to the process filtering introduced in werk #15085 could lead to an empty "postgres_instances" section if the instance name contained capital letters. Now, a case-sensitive filter is applied first, allowing case-insensitive filtering only if no processes could be found. In order to apply this change you will need to reinstall the agent plugin.

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