Werk #12554: Ruleset editor: Fix analyzing host label matching in distributed setups

Component WATO
Title Ruleset editor: Fix analyzing host label matching in distributed setups
Date Mar 26, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0p2 2.1.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

The ruleset editor provides a mode that allows a user to analyze the matching of rules on specific hosts services. This mode analyzes the conditions configured for a rule and reports whether or not these conditions match on the given host.

One of these conditions can be host labels. In distributed setups the host labels are stored on the site the host is monitored from, while the analyzation of the condition matching is being done on the central site.

If you have rules that have host labels configured as conditions, analyzing the rule matching did not work because of the missing discovered host labels in the central site.

This is now solved by synchronizing the host labels from the remote site to the central site in the moment they are needed. This mechanism is based on the synchronization mechanism that was introduced with werk #12553.

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