[sentry]

Problem: In the TestResultsProcessorTask, ta_processor() previously queried the database using the Django ORM (ReportSession.objects.using("default").get(...)). Because Django is configured with CONN_MAX_AGE=0 in the worker, every query initiates a new database connection directly resolving the pgbouncer hostname. In the worker-test-analytics pod's network namespace, DNS resolution for pgbouncer fails, triggering an unhandled psycopg2.OperationalError: could not translate host name "pgbouncer" to address: Name or service not known.

Fix

• Plumbed db_session from TestResultsProcessorTask.run_impl into ta_processor().
• Migrated ta_processor(), handle_file_not_found(), handle_parsing_error(), and get_ta_processing_info() from Django ORM models to the worker's native SQLAlchemy models (Upload, UploadError, Repository, Commit).
• Uses SQLAlchemy's existing pooled database connection session, removing the per-task Django connection setup and resolving the DNS resolution failure.

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Fixes WORKER-ZAT

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Note

Medium Risk
Touches upload state and error persistence on the test-results path; behavior should match prior Django writes but depends on the injected session being non-null when update_state=True.

Overview
Routes test-analytics upload processing through the worker’s SQLAlchemy session instead of Django ORM, so DB access reuses the task’s pooled connection rather than opening a new Django connection (which was failing DNS for pgbouncer in worker-test-analytics).

TestResultsProcessorTask now passes db_session into ta_processor(). Upload load/update, UploadError writes, and commit/repository lookups use SQLAlchemy models (Upload, UploadError, Commit, Repository) with query / add / flush instead of ReportSession and Django objects APIs. Error helpers resolve the session from the upload via get_db_session() when marking missing files or parse failures.

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