Werk #13471: mk_logwatch: validate regular expressions upon rule creation

Komponente Setup
Titel mk_logwatch: validate regular expressions upon rule creation
Datum 09.11.2021
Checkmk-Editon Checkmk Enterprise (CEE)
Checkmk-Version 2.1.0i1 2.0.0p16
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

Previously invalid regular expressons in the mk_logwatch configuration where not properly validated, leading to a crash of the plugin on the monitored host. We now validate the configured expressions during rule creation.

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