Werk #17661: Replace OTEL data point namespace separator '.' with '__' when creating Checkmk metrics

Component

Checks & agents

Title

Replace OTEL data point namespace separator '.' with '__' when creating Checkmk metrics

Date

Apr 8, 2025

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0b5	Checkmk Cloud (CCE), Checkmk MSP (CME)

OpenTelemetry data point names may contain dots as a namespace separator. These names are used for Checkmk metrics for which only letter, digits or underscores are allowed. Thus we have to transform the data point names into Checkmk metric names.

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