Werk #15009: Fix "invalid syntax" error on adding metrics to custom graphs

Component	User interface
Title	Fix "invalid syntax" error on adding metrics to custom graphs
Date	Dec 16, 2022
Checkmk Edition	Checkmk Enterprise (CEE)
Checkmk Version	2.2.0i1 2.1.0p19
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed

If you added metrics via "Add all metrics of this graph to" - "New custom graph..." an error like "Cannot load custom_graph from /omd/sites/MYSITE/var/check_mk/web/MYUSER/user_custom_graphs.mk: invalid syntax (, line)" was shown.

We have seen this especially while adding CPU utilization metrics of windows hosts.

A workaround was to edit the file "/omd/sites/MYSITE/var/check_mk/web/MYUSER/user_custom_graphs.mk" and change entries like "'help': l'CPU time spent in user space'" to "'help': 'CPU time spent in user space'".

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