Werk #19172: Fix crash when editing backup jobs with hypenated target IDs

Component

Setup

Title

Fix crash when editing backup jobs with hypenated target IDs

Date

Mar 26, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.6.0b1 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.5.0b3 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

Previously, editing a backup job whose target had a hyphenated identifier (e.g. backup-local) caused a crash with the error:

ValueError: 'backup-local' is not a valid, non-reserved Python identifier

This affected backup targets created in Checkmk 2.3 or 2.4 that used hyphens in their target ID. Starting and completing backups still worked — only the "Edit this backup job" page was broken.

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