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Aegis/backend/app/jobs/mitre_sync_job.py
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feat(dlm): Phase 8 — Detection Lifecycle Management [FASE-8]
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>
2026-05-19 15:45:16 +02:00

326 lines
10 KiB
Python

"""Scheduled background jobs.
Registers periodic tasks on an APScheduler ``BackgroundScheduler``:
* **MITRE sync** — every 24 hours (see :func:`sync_mitre`)
* **Intel scan** — every 7 days (see :func:`scan_intel`)
Each job manages its own database session (created on entry, closed in
``finally``) so it is fully independent from FastAPI's request-scoped
sessions.
"""
import logging
from datetime import datetime, timedelta, timezone
from apscheduler.schedulers.background import BackgroundScheduler
from app.database import SessionLocal
from app.services.mitre_sync_service import sync_mitre
from app.services.intel_service import scan_intel
from app.services.notification_service import cleanup_old_notifications
from app.services.snapshot_service import create_snapshot, cleanup_old_snapshots
from app.services.campaign_scheduler_service import check_and_run_recurring_campaigns
from app.jobs.jira_sync_job import sync_all_jira_links
from app.services.osint_enrichment_service import enrich_all_techniques
from app.services.stale_detection_service import detect_stale_coverage
from app.jobs.retention_job import run_retention_job
logger = logging.getLogger(__name__)
# ---------------------------------------------------------------------------
# Module-level scheduler instance
# ---------------------------------------------------------------------------
scheduler = BackgroundScheduler()
# ---------------------------------------------------------------------------
# Job functions
# ---------------------------------------------------------------------------
def _run_mitre_sync() -> None:
"""Execute a MITRE sync inside its own DB session."""
from app.services.webhook_service import dispatch_webhook
logger.info("Scheduled MITRE sync job starting...")
db = SessionLocal()
try:
summary = sync_mitre(db)
logger.info("Scheduled MITRE sync job finished — %s", summary)
dispatch_webhook("mitre.synced", {"created": summary.get("created", 0), "updated": summary.get("updated", 0)})
except Exception:
logger.exception("Scheduled MITRE sync job failed")
finally:
db.close()
def _run_notification_cleanup() -> None:
"""Clean up old read notifications."""
logger.info("Scheduled notification cleanup job starting...")
db = SessionLocal()
try:
deleted = cleanup_old_notifications(db, days=90)
logger.info("Notification cleanup finished — deleted %d old notifications", deleted)
except Exception:
logger.exception("Notification cleanup job failed")
finally:
db.close()
def _run_weekly_snapshot() -> None:
"""Create a weekly coverage snapshot and clean up old ones."""
logger.info("Scheduled weekly snapshot job starting...")
db = SessionLocal()
try:
snapshot = create_snapshot(db, name="Auto-weekly")
logger.info(
"Weekly snapshot created — score %.1f, %d techniques",
snapshot.organization_score,
snapshot.total_techniques,
)
deleted = cleanup_old_snapshots(db, keep_last=52)
if deleted:
logger.info("Cleaned up %d old snapshots", deleted)
except Exception:
logger.exception("Weekly snapshot job failed")
finally:
db.close()
def _run_recurring_campaigns() -> None:
"""Check and run any due recurring campaigns."""
logger.info("Scheduled recurring campaigns check starting...")
db = SessionLocal()
try:
spawned = check_and_run_recurring_campaigns(db)
logger.info("Recurring campaigns check finished — spawned %d campaigns", spawned)
except Exception:
logger.exception("Recurring campaigns check failed")
finally:
db.close()
def _run_intel_scan() -> None:
"""Execute an intel scan inside its own DB session."""
logger.info("Scheduled intel scan job starting...")
db = SessionLocal()
try:
summary = scan_intel(db)
logger.info("Scheduled intel scan job finished — %s", summary)
except Exception:
logger.exception("Scheduled intel scan job failed")
finally:
db.close()
def _run_osint_enrichment() -> None:
"""Execute weekly OSINT enrichment inside its own DB session."""
logger.info("Scheduled OSINT enrichment job starting...")
db = SessionLocal()
try:
total = enrich_all_techniques(db)
logger.info("OSINT enrichment finished — %d new items", total)
except Exception:
logger.exception("OSINT enrichment job failed")
finally:
db.close()
_FREQUENCY_INTERVALS: dict[str, timedelta] = {
"daily": timedelta(days=1),
"weekly": timedelta(weeks=1),
"monthly": timedelta(days=30),
}
def _run_data_sources_sync() -> None:
"""Check all enabled data sources and sync those that are overdue."""
logger.info("Scheduled data sources sync check starting...")
db = SessionLocal()
try:
from app.models.data_source import DataSource
from app.services.data_source_service import sync_source
now = datetime.now(timezone.utc)
sources = (
db.query(DataSource)
.filter(DataSource.is_enabled == True) # noqa: E712
.all()
)
synced = 0
for ds in sources:
freq = ds.sync_frequency
if not freq or freq == "manual":
continue
interval = _FREQUENCY_INTERVALS.get(freq)
if interval is None:
continue
last = ds.last_sync_at
if last is None:
# Never synced — run it now
overdue = True
else:
# Make last timezone-aware if needed
if last.tzinfo is None:
last = last.replace(tzinfo=timezone.utc)
overdue = now - last >= interval
if overdue:
logger.info(
"Data source '%s' is overdue (freq=%s, last=%s) — syncing",
ds.name, freq, last,
)
try:
sync_source(db, str(ds.id))
synced += 1
except Exception:
logger.exception("Failed to sync data source '%s'", ds.name)
logger.info("Data sources sync check finished — %d source(s) synced", synced)
except Exception:
logger.exception("Data sources sync check failed")
finally:
db.close()
def _run_stale_detection() -> None:
"""Execute daily stale coverage detection inside its own DB session."""
logger.info("Scheduled stale coverage detection starting...")
db = SessionLocal()
try:
count = detect_stale_coverage(db)
logger.info("Stale detection finished — %d techniques flagged", count)
except Exception:
logger.exception("Stale coverage detection job failed")
finally:
db.close()
def _run_decay_engine() -> None:
"""Execute the decay engine inside its own DB session."""
logger.info("Scheduled decay engine job starting...")
db = SessionLocal()
try:
from app.services.decay_engine_service import run_decay_engine
results = run_decay_engine(db)
logger.info("Decay engine job finished — %s", results)
except Exception:
logger.exception("Decay engine job failed")
finally:
db.close()
# ---------------------------------------------------------------------------
# Scheduler bootstrap
# ---------------------------------------------------------------------------
def start_scheduler() -> None:
"""Register all periodic jobs and start the background scheduler.
Jobs registered:
* ``mitre_sync`` — every **24 hours**
* ``intel_scan`` — every **7 days**
Neither job fires immediately on startup.
"""
scheduler.add_job(
_run_mitre_sync,
trigger="interval",
hours=24,
id="mitre_sync",
name="MITRE ATT&CK sync (every 24h)",
replace_existing=True,
)
scheduler.add_job(
_run_intel_scan,
trigger="interval",
weeks=1,
id="intel_scan",
name="Intel scan (every 7d)",
replace_existing=True,
)
scheduler.add_job(
_run_notification_cleanup,
trigger="interval",
hours=24,
id="notification_cleanup",
name="Notification cleanup (daily)",
replace_existing=True,
)
scheduler.add_job(
_run_weekly_snapshot,
trigger="cron",
day_of_week="sun",
hour=0,
minute=0,
id="weekly_snapshot",
name="Weekly coverage snapshot (Sundays 00:00)",
replace_existing=True,
)
scheduler.add_job(
_run_recurring_campaigns,
trigger="interval",
hours=24,
id="recurring_campaigns",
name="Recurring campaigns check (daily)",
replace_existing=True,
)
scheduler.add_job(
sync_all_jira_links,
trigger="interval",
hours=1,
id="jira_sync",
name="Jira link sync (hourly)",
replace_existing=True,
)
scheduler.add_job(
_run_osint_enrichment,
trigger="interval",
weeks=1,
id="osint_enrichment",
name="OSINT enrichment (weekly)",
replace_existing=True,
)
scheduler.add_job(
_run_stale_detection,
trigger="interval",
hours=24,
id="stale_detection",
name="Stale coverage detection (daily)",
replace_existing=True,
)
scheduler.add_job(
run_retention_job,
trigger="interval",
hours=24,
id="retention_policies",
name="Data retention policies (daily)",
replace_existing=True,
)
scheduler.add_job(
_run_data_sources_sync,
trigger="interval",
hours=6,
id="data_sources_sync",
name="Data sources auto-sync (every 6h)",
replace_existing=True,
)
scheduler.add_job(
_run_decay_engine,
trigger="cron",
hour=2,
minute=0,
id="decay_engine",
name="Detection decay engine (daily 02:00)",
replace_existing=True,
)
scheduler.start()
logger.info(
"Background scheduler started — mitre_sync (24h), intel_scan (7d), "
"notification_cleanup (24h), weekly_snapshot (Sundays 00:00), "
"recurring_campaigns (daily), jira_sync (1h), "
"osint_enrichment (weekly), stale_detection (daily), "
"retention_policies (daily), data_sources_sync (6h)"
)