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Special debug images

For the cases when Pods are failing for some reason or just show abnormal behavior, the Operator can be used with a special debug image of the Percona Server for MongoDB, which has the following specifics:

  • it avoids restarting on fail,
  • it contains additional tools useful for debugging (sudo, telnet, gdb, mongodb-debuginfo package, etc.),
  • extra verbosity is added to the mongodb daemon.

Particularly, using this image is useful if the container entry point fails (mongod crashes). In such a situation, Pod is continuously restarting. Continuous restarts prevent to get console access to the container, and so a special approach is needed to make fixes.

To use the debug image instead of the normal one, set the following image name for the image key in the deploy/cr.yaml configuration file:

percona/percona-server-mongodb:6.0.9-7-debug

The Pod should be restarted to get the new image.

Note

When the Pod is continuously restarting, you may have to delete it to apply image changes.

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Last update: 2024-04-26