Werk #18232: BI: handle FileNotFoundError in update config migration

Component

Title

BI: handle FileNotFoundError in update config migration

Date

Jun 24, 2025

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0p6	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Users reported the following error when running the update config migration:

39/39 Migrate legacy frozen aggregations....
FileNotFoundError: [Errno 2] No such file or directory: '~/tmp/check_mk/bi_cache/compilation.LOCK'

This would occur when a user did not have Business Intelligence (BI) rules set. The applied fix makes sure that the operation now never fails, especially when BI is not in use.

The bug was introduced with the following werk: https://checkmk.com/werk/18116

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