feat: Add Celery task queue for event-driven test processing #982
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Replace cron-based polling with an optional Celery task queue system for faster, more reliable test execution. This architectural improvement enables event-driven processing, parallel test execution, and better retry handling. New files: - celery_app.py: Celery application factory with Flask context - mod_ci/tasks.py: Task definitions (start_test, cleanup, pending check) - install/celery-worker.service: Systemd service for Celery worker - install/celery-beat.service: Systemd service for Celery beat scheduler - tests/test_ci/test_tasks.py: Unit tests for Celery functionality Modified files: - requirements.txt: Added celery[redis] and redis packages - config_sample.py: Added Celery configuration options - mod_ci/controllers.py: Added trigger_test_tasks(), updated add_test_entry() - install/installation.md: Added Celery setup documentation Key features: - USE_CELERY_TASKS feature flag for gradual migration (default: False) - Parallel mode: cron continues as fallback during transition - Three task queues: default, test_execution, maintenance - Periodic tasks via Celery Beat for cleanup and pending test discovery - Graceful degradation if Celery unavailable 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Remove unused 'shared_task' import from celery - Fix import ordering to satisfy isort checks 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
cfsmp3
requested review from
canihavesomecoffee and
thealphadollar
as code owners
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Summary
Note: This is a clean re-submission of #963, which was merged and then reverted because it included unrelated commits. This PR contains only the Celery-related changes.
Test plan
🤖 Generated with Claude Code