Werk #14069: KUBE agent_kube: namespace filtering and monitoring

Component

Checks & agents

Title

KUBE agent_kube: namespace filtering and monitoring

Date

May 9, 2022

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.2.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0b9	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The memory and CPU resources checks depend on the section from the Kubernetes API and optionally on the section from the cluster collector. For some namespace hosts, only the latter was available which led to a crash. This werk fixes this behavior and omits the cluster collector section if the API section is not available. Furthermore, this werk restricts hosts creation to namespaces that have at least one running or pending pod.

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