Werk #16376: DCD: Not respecting "Validity of missing data" setting

Component

Checks & agents

Title

DCD: Not respecting "Validity of missing data" setting

Date

Jan 23, 2024

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.4.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p22	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p39	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This fixes disappearing hosts in case of temporarily missing data around the time when a cleanup background job is run (around midnight).

In case a piggybacked host temporarily did not receive any data while the background (cron) job cmk --cleanup-piggyback was executed, a subsequent run of the DCD would not respect the "Validity of missing data" setting, wrongly removing the affected host from the monitoring configuration.

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