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Tasks 8.1-8.5: Models (8.1): - DetectionAsset: SIEM/EDR/Sigma rule assets with auto-hash - DetectionTechniqueMapping: N:M asset ↔ technique coverage - DetectionValidation: immutable validation records with expiry - TechniqueConfidenceScore: computed multi-factor confidence - InfrastructureChangeLog: infra changes that invalidate detections - DecayPolicy: configurable freshness thresholds per platform/tactic Services (8.2, 8.3): - detection_asset_service: CRUD + SHA-256 rule hashing + auto- invalidation on rule/infra changes - decay_engine_service: daily decay engine — expires stale validations, recalculates confidence (recency/coverage/health/diversity factors), processes infrastructure change propagation Router (8.4): 15 endpoints under /api/v1/detection-lifecycle: assets CRUD, technique mappings, validations, confidence scores, infrastructure changes, decay trigger, executive dashboard Scheduler (8.3): decay engine runs daily at 02:00 Seed (8.5): default policy (90/180/365d) + strict initial-access policy Migration: b034dlm (6 tables, 11 indexes) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
326 lines
10 KiB
Python
326 lines
10 KiB
Python
"""Scheduled background jobs.
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Registers periodic tasks on an APScheduler ``BackgroundScheduler``:
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* **MITRE sync** — every 24 hours (see :func:`sync_mitre`)
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* **Intel scan** — every 7 days (see :func:`scan_intel`)
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Each job manages its own database session (created on entry, closed in
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``finally``) so it is fully independent from FastAPI's request-scoped
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sessions.
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"""
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import logging
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from datetime import datetime, timedelta, timezone
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from apscheduler.schedulers.background import BackgroundScheduler
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from app.database import SessionLocal
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from app.services.mitre_sync_service import sync_mitre
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from app.services.intel_service import scan_intel
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from app.services.notification_service import cleanup_old_notifications
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from app.services.snapshot_service import create_snapshot, cleanup_old_snapshots
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from app.services.campaign_scheduler_service import check_and_run_recurring_campaigns
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from app.jobs.jira_sync_job import sync_all_jira_links
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from app.services.osint_enrichment_service import enrich_all_techniques
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from app.services.stale_detection_service import detect_stale_coverage
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from app.jobs.retention_job import run_retention_job
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logger = logging.getLogger(__name__)
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# ---------------------------------------------------------------------------
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# Module-level scheduler instance
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# ---------------------------------------------------------------------------
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scheduler = BackgroundScheduler()
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# ---------------------------------------------------------------------------
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# Job functions
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# ---------------------------------------------------------------------------
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def _run_mitre_sync() -> None:
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"""Execute a MITRE sync inside its own DB session."""
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from app.services.webhook_service import dispatch_webhook
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logger.info("Scheduled MITRE sync job starting...")
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db = SessionLocal()
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try:
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summary = sync_mitre(db)
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logger.info("Scheduled MITRE sync job finished — %s", summary)
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dispatch_webhook("mitre.synced", {"created": summary.get("created", 0), "updated": summary.get("updated", 0)})
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except Exception:
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logger.exception("Scheduled MITRE sync job failed")
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finally:
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db.close()
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def _run_notification_cleanup() -> None:
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"""Clean up old read notifications."""
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logger.info("Scheduled notification cleanup job starting...")
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db = SessionLocal()
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try:
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deleted = cleanup_old_notifications(db, days=90)
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logger.info("Notification cleanup finished — deleted %d old notifications", deleted)
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except Exception:
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logger.exception("Notification cleanup job failed")
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finally:
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db.close()
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def _run_weekly_snapshot() -> None:
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"""Create a weekly coverage snapshot and clean up old ones."""
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logger.info("Scheduled weekly snapshot job starting...")
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db = SessionLocal()
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try:
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snapshot = create_snapshot(db, name="Auto-weekly")
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logger.info(
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"Weekly snapshot created — score %.1f, %d techniques",
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snapshot.organization_score,
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snapshot.total_techniques,
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)
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deleted = cleanup_old_snapshots(db, keep_last=52)
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if deleted:
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logger.info("Cleaned up %d old snapshots", deleted)
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except Exception:
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logger.exception("Weekly snapshot job failed")
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finally:
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db.close()
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def _run_recurring_campaigns() -> None:
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"""Check and run any due recurring campaigns."""
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logger.info("Scheduled recurring campaigns check starting...")
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db = SessionLocal()
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try:
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spawned = check_and_run_recurring_campaigns(db)
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logger.info("Recurring campaigns check finished — spawned %d campaigns", spawned)
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except Exception:
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logger.exception("Recurring campaigns check failed")
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finally:
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db.close()
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def _run_intel_scan() -> None:
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"""Execute an intel scan inside its own DB session."""
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logger.info("Scheduled intel scan job starting...")
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db = SessionLocal()
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try:
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summary = scan_intel(db)
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logger.info("Scheduled intel scan job finished — %s", summary)
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except Exception:
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logger.exception("Scheduled intel scan job failed")
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finally:
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db.close()
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def _run_osint_enrichment() -> None:
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"""Execute weekly OSINT enrichment inside its own DB session."""
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logger.info("Scheduled OSINT enrichment job starting...")
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db = SessionLocal()
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try:
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total = enrich_all_techniques(db)
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logger.info("OSINT enrichment finished — %d new items", total)
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except Exception:
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logger.exception("OSINT enrichment job failed")
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finally:
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db.close()
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_FREQUENCY_INTERVALS: dict[str, timedelta] = {
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"daily": timedelta(days=1),
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"weekly": timedelta(weeks=1),
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"monthly": timedelta(days=30),
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}
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def _run_data_sources_sync() -> None:
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"""Check all enabled data sources and sync those that are overdue."""
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logger.info("Scheduled data sources sync check starting...")
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db = SessionLocal()
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try:
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from app.models.data_source import DataSource
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from app.services.data_source_service import sync_source
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now = datetime.now(timezone.utc)
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sources = (
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db.query(DataSource)
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.filter(DataSource.is_enabled == True) # noqa: E712
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.all()
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)
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synced = 0
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for ds in sources:
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freq = ds.sync_frequency
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if not freq or freq == "manual":
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continue
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interval = _FREQUENCY_INTERVALS.get(freq)
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if interval is None:
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continue
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last = ds.last_sync_at
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if last is None:
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# Never synced — run it now
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overdue = True
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else:
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# Make last timezone-aware if needed
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if last.tzinfo is None:
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last = last.replace(tzinfo=timezone.utc)
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overdue = now - last >= interval
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if overdue:
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logger.info(
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"Data source '%s' is overdue (freq=%s, last=%s) — syncing",
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ds.name, freq, last,
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)
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try:
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sync_source(db, str(ds.id))
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synced += 1
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except Exception:
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logger.exception("Failed to sync data source '%s'", ds.name)
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logger.info("Data sources sync check finished — %d source(s) synced", synced)
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except Exception:
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logger.exception("Data sources sync check failed")
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finally:
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db.close()
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def _run_stale_detection() -> None:
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"""Execute daily stale coverage detection inside its own DB session."""
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logger.info("Scheduled stale coverage detection starting...")
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db = SessionLocal()
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try:
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count = detect_stale_coverage(db)
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logger.info("Stale detection finished — %d techniques flagged", count)
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except Exception:
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logger.exception("Stale coverage detection job failed")
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finally:
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db.close()
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def _run_decay_engine() -> None:
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"""Execute the decay engine inside its own DB session."""
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logger.info("Scheduled decay engine job starting...")
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db = SessionLocal()
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try:
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from app.services.decay_engine_service import run_decay_engine
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results = run_decay_engine(db)
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logger.info("Decay engine job finished — %s", results)
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except Exception:
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logger.exception("Decay engine job failed")
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finally:
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db.close()
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# ---------------------------------------------------------------------------
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# Scheduler bootstrap
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# ---------------------------------------------------------------------------
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def start_scheduler() -> None:
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"""Register all periodic jobs and start the background scheduler.
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Jobs registered:
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* ``mitre_sync`` — every **24 hours**
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* ``intel_scan`` — every **7 days**
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Neither job fires immediately on startup.
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"""
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scheduler.add_job(
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_run_mitre_sync,
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trigger="interval",
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hours=24,
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id="mitre_sync",
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name="MITRE ATT&CK sync (every 24h)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_intel_scan,
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trigger="interval",
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weeks=1,
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id="intel_scan",
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name="Intel scan (every 7d)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_notification_cleanup,
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trigger="interval",
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hours=24,
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id="notification_cleanup",
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name="Notification cleanup (daily)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_weekly_snapshot,
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trigger="cron",
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day_of_week="sun",
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hour=0,
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minute=0,
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id="weekly_snapshot",
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name="Weekly coverage snapshot (Sundays 00:00)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_recurring_campaigns,
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trigger="interval",
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hours=24,
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id="recurring_campaigns",
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name="Recurring campaigns check (daily)",
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replace_existing=True,
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)
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scheduler.add_job(
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sync_all_jira_links,
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trigger="interval",
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hours=1,
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id="jira_sync",
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name="Jira link sync (hourly)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_osint_enrichment,
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trigger="interval",
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weeks=1,
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id="osint_enrichment",
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name="OSINT enrichment (weekly)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_stale_detection,
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trigger="interval",
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hours=24,
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id="stale_detection",
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name="Stale coverage detection (daily)",
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replace_existing=True,
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)
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scheduler.add_job(
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run_retention_job,
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trigger="interval",
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hours=24,
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id="retention_policies",
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name="Data retention policies (daily)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_data_sources_sync,
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trigger="interval",
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hours=6,
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id="data_sources_sync",
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name="Data sources auto-sync (every 6h)",
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replace_existing=True,
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)
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scheduler.add_job(
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_run_decay_engine,
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trigger="cron",
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hour=2,
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minute=0,
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id="decay_engine",
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name="Detection decay engine (daily 02:00)",
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replace_existing=True,
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)
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scheduler.start()
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logger.info(
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"Background scheduler started — mitre_sync (24h), intel_scan (7d), "
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"notification_cleanup (24h), weekly_snapshot (Sundays 00:00), "
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"recurring_campaigns (daily), jira_sync (1h), "
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"osint_enrichment (weekly), stale_detection (daily), "
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"retention_policies (daily), data_sources_sync (6h)"
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)
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