Apparantely I found a solution for it. Pretty simple solution.
In Check_MK:
Create standard HOST, server1 with IP.
Create standard HOST, server1_cm with same IP as server1
Disable all services on it, just leave the one I need + other custom plugins.
Create VIRTUAL HOST (Cluster) cloudera_services and make it as parent for server1_cm.
In Clustered services assign custom plugins to Cluster cloudera_services.
In Host Check Command create rule and change the default value to “Use the status of service…”
and define the services, in my case main cloudera process which provides RESTAPI, and set explicit hosts to server1_cm and that’s it.
Now when the service fails, the host server1 is OK, server1_cm is CRIT and Cluster on top of, is UNREACH. That means for me that notifications from services on Cluster will not be created.
Will test notification in production later.
Simple solution, but I totaly forgot about Host Check Command parameter.