Werk #13849: Add Check_MK service for hosts without passive services

Komponente Checks & agents
Titel Add Check_MK service for hosts without passive services
Datum 20.04.2022
Checkmk-Editon Checkmk Raw (CRE)
Checkmk-Version 2.2.0i1 2.1.0b7
Level Kleine Änderung
Klasse Neues Feature
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

Previously we only added the Check_MK service if the host had no passive services. We now add it always, unless the host is a ping-only host.

Originally the main job of the Check_MK service was to trigger the passive services, so it was not needed for hosts without them.

However, for a while now the service also reports the success of the data sources, which may be relevant for hosts without passive services as well. In particular, a failing data source may be the reason why we don't see passive services in the first place.

For example there are special agents that only create services on piggybacked hosts. If you configure such an agent on a dedicated host, you would not have seen the status of the agent at all.

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