Werk #4508: Clusters: Now always have their nodes as parents (Fixes Nagios inconsistency)

Component Core & setup
Title Clusters: Now always have their nodes as parents (Fixes Nagios inconsistency)
Date Mar 21, 2017
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.4.0b4 1.5.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When configuring clusters via Check_MK it was possible to configure custom parent nodes for the cluster nodes when using the Nagios core. The Microcore already used it's nodes before as it was designed. We have now changed the Nagios handling to also enforce the nodes to be parent hosts of their cluster hosts.

The assumption is: The cluster host is reachable while at least one node is up.

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