Werk #11671: Fix crash in some check previews during discovery

Component Checks & Agents
Title Fix crash in some check previews during discovery
Date Nov 13, 2020
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0b1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Some check plugins crashed due to missing external information (such as host name) when trying to render the service preview during discovery. Amongst the error messages shown in the service output are "Service description has not been set" and "Host name has not been set".

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