Werk #12084: wrong command line argument usage in check_mail active check

Component

Checks & agents

Title

wrong command line argument usage in check_mail active check

Date

Mar 2, 2021

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.1.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
2.0.0b8	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Some command line arguments for the check_mail active check had been assembled in a way that allowed invalid values for "forward_app" or "match_subject". Activating "Forward mails as events to Event Console" in WATO without specifying forward app or a regex for subject would provide the sting "None" to forward-app and leave "match_subject" empty resulting in an Unhandled exception:

TypeError('first argument must be string or compiled pattern')

This change fixes command line argument generation and checks for "match_subject" being set.

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