Werk #15870: Gracefully handle individual fails of cached sections

Component

Agent bakery

Title

Gracefully handle individual fails of cached sections

Date

Oct 10, 2023

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.3.0b1 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)
2.2.0p12	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p35	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This changes the behavior of services processing cached data of the Linux, AIX, Solaris, FreeBSD and OpenWrt agent.

Previous to this werk, a service would go to UNKNOWN if the execution of a cached section failed, reporting "Missing data" or "Item not found in monitoring data". Those services now go stale, and only go to UNKNOWN after tripple the time of the caching intervall passed.

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