Werk #5392: Fixed host monitored from all sites after editing custom host attributes

Komponente Setup
Titel Fixed host monitored from all sites after editing custom host attributes
Datum 11.10.2017
Checkmk Edition Checkmk Raw (CRE)
Checkmk-Version 1.4.0p16 1.5.0i1
Level Bedeutende Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

In distributed environments it could happen that all configured hosts are monitored from all configured sites.

The now fixed issue was triggered by saving (adding/editing/removing) custom host attributes using the "WATO > Hosts > Custom host attributes" dialog.

Background: This editing step was undeclaring the internal "site" attribute by accident and rewriting all hosts.mk files. These files were missing the "site:..." host tag in the all_hosts data structure. This makes all sites think that they are responsible for these hosts.

The configured site information of the hosts/folders was not lost because it was retained in the host_attributes data strucuture. So the hosts.mk files could be "repaired" by saving the hosts, parent folders or host tags.

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