Werk #16246: Rittal temperature check regression

Component	Checks & agents
Title	Rittal temperature check regression
Date	Jun 14, 2024
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.4.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.3.0p7 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

You're affected if you're using rittal temperature checks under 2.3.0. This regression exists since 2.3.0b1 and creates the following crash:

  File "/omd/sites/YOURSITE/lib/python3/cmk/plugins/lib/temperature.py", line 319, in check_temperature
    raise ValueError (Cannot compute trend. Either specify both variables 'unique_name' and 'value_store' or none.)

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