Logs previous exception if present

[ArneTR]

Previous exception messages are now also listed. Before it was easily masked what the true cause of the error was.

It could happen, that the container did not boot correctly and then the metrics could not be read also. However as error only the fail in reading the metrics was reported.

This is now changed from:

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 0_o >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Error: RuntimeError occured in runner.py

Exception (RuntimeError): PowermetricsProvider returned error message: Metrics provider powermetrics seems to have not produced any measurements. Metrics log file was empty. Either consider having a higher sample rate or turn off provider.
...

To:

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 0_o >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Error: RuntimeError occured in runner.py

Exception (RuntimeError): PowermetricsProvider returned error message: Metrics provider powermetrics seems to have not produced any measurements. Metrics log file was empty. Either consider having a higher sample rate or turn off provider.
Initial_exceptions (OSError): Docker run failed
Stderr: docker: Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: exec: "sleep asd": executable file not found in $PATH: unknown.

Greptile Summary

Enhanced error logging across the application by including previous exception information, improving the ability to diagnose root causes of cascading failures, particularly for container boot and metric reading issues.

• Added previous_exception=exc.__context__ parameter in error logging calls throughout /cron/client.py
• Modified error handling blocks to capture complete exception chain instead of just final error
• Improved error messages now show full error trace from initial container failure to subsequent metric reading errors
• Consistent error handling approach with /api/main.py and /runner.py changes

[greptile-apps]

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