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Werk #19540: Fix crash in GCP Quick Setup connection test

Component Checks & agents
Title Fix crash in GCP Quick Setup connection test
Date Jun 26, 2026
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
3.0.0b1
Not yet released
Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.5.0p9
Not yet released
Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

When setting up Google Cloud Platform monitoring via the Quick Setup, testing the connection failed with a crash instead of validating your service account credentials:

the JSON object must be str, bytes or bytearray, not NoneType

This affected all connection test attempts where the credentials are stored in the password store, which is the case for any setup done through the user interface. The actual data collection was not affected; only the connection test in the Quick Setup crashed.

This has been fixed. The connection test now reads the service account credentials from the password store, just like the regular agent run already did.

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