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Werk #16514: Make level handling of check-cert more consistent with other checks

Component Checks & agents
Title Make level handling of check-cert more consistent with other checks
Date Apr 9, 2025
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.5.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.4.0b5 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

The --not-after option required WARN to be strictly larger than CRIT. This was changed to larger or equal. The error message was also improved from invalid args to

invalid args: WARN must be larger than or equal to CRIT but got <WARN_VALUE> <CRIT_VALUE>

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