Werk #17566: elasticsearch: allows customizable filters for node statistics

Component	Checks & agents
Title	elasticsearch: allows customizable filters for node statistics
Date	Feb 12, 2025
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.5.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.4.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.3.0p29 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Previously, the Elasticsearch agent queried the statistics for the configured Elasticsearch node with the hard-coded filter *-*, thus retrieving only the statistics for indices containing the - symbol.

This filter has now been removed and the ruleset adjusted accordingly: it is now possible to specify which filter to apply, following the guidelines provided here: https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-stats.html

The rules set prior to this werk are automatically converted, and the *-* pattern is applied to maintain compatibility, so no user intervention is required.

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