Werk #6665: Checks may now yield the value None as plugin output

Component Checks & agents
Title Checks may now yield the value None as plugin output
Date Oct 10, 2018
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.5.0p6 1.6.0b1
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed

A check usually returns a state, followed by text and optional perfdata. The plugin output was not well formatted, in case yield returned an empty string. It is now possible to yield None as plugin output, which instructs the Check API to ignore this value.

To the list of all Werks