Werk #14864: Docker monitoring: Prevent intermittent alerts due to race conditions

Component Agent bakery
Title Docker monitoring: Prevent intermittent alerts due to race conditions
Date Oct 6, 2022
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p15 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
2.0.0p30 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

If a docker container or image is removed while the docker agent plugin is collecting data, it could lead to temporary alerts such as "no such image"/"no such container" in the node info service and "count not present in agent output" in the containers service. The agent plugin now handles such cases without producing any alerts.

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