release: bump version to 0.69.0

backend/app/services/persistent_logs.py

@@ -1,14 +1,185 @@
 from __future__ import annotations
 
+import hashlib
+import re
+
+from datetime import UTC, datetime
 from typing import Any
 
 from app.core.logging import get_logger, sanitize_log_value
 from app.core.request_context import get_request_id
 from app.db.session import async_session_factory
-from app.models.system_log import AuditLog, SystemLog
+from app.models.system_log import AuditLog, ObservabilityEvent, ObservabilityEventGroup, SystemLog
 
 logger = get_logger(__name__)
 
+HLS_TRANSIENT_RE = re.compile(r"(index|chunk|segment)[_-]?\d+(?:_\d+)?\.(?:ts|m4s|vtt)", re.IGNORECASE)
+QUERY_RE = re.compile(r"([?&](?:m|t|token|expires|signature|X-Amz-[^=]+)=[^&\\s]+)", re.IGNORECASE)
+UUID_RE = re.compile(r"\b[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\b", re.IGNORECASE)
+CONNECTION_RE = re.compile(r"\bconn_[A-Za-z0-9:._-]+\b")
+NUMBER_RE = re.compile(r"\b\d{5,}\b")
+
+
+def normalize_observability_text(value: Any) -> str:
+    text = str(sanitize_log_value(value or "")).strip()
+    text = QUERY_RE.sub("", text)
+    text = HLS_TRANSIENT_RE.sub("<hls-fragment>", text)
+    text = UUID_RE.sub("<uuid>", text)
+    text = CONNECTION_RE.sub("<connection>", text)
+    text = NUMBER_RE.sub("<number>", text)
+    return re.sub(r"\s+", " ", text).strip()
+
+
+def build_observability_fingerprint(
+    *,
+    source: str,
+    service: str | None = None,
+    module: str | None = None,
+    category: str | None = None,
+    event: str | None = None,
+    message: str,
+    context: dict[str, Any] | None = None,
+) -> str:
+    context = context or {}
+    stable_context = {
+        key: context.get(key)
+        for key in (
+            "task_type",
+            "source_id",
+            "source",
+            "provider",
+            "status_code",
+            "error_type",
+            "details",
+        )
+        if context.get(key) not in (None, "")
+    }
+    raw = "|".join(
+        [
+            normalize_observability_text(source),
+            normalize_observability_text(service),
+            normalize_observability_text(module),
+            normalize_observability_text(category),
+            normalize_observability_text(event),
+            normalize_observability_text(message),
+            normalize_observability_text(stable_context),
+        ]
+    )
+    return hashlib.sha1(raw.encode("utf-8", errors="replace")).hexdigest()
+
+
+def _context_text(context: dict[str, Any] | None, key: str) -> str | None:
+    value = (context or {}).get(key)
+    if value in (None, ""):
+        return None
+    return str(value)
+
+
+async def record_observability_event(
+    *,
+    source: str,
+    level: str,
+    message: str,
+    service: str | None = None,
+    module: str | None = None,
+    event: str | None = None,
+    request_id: str | None = None,
+    trace_id: str | None = None,
+    user_id: int | None = None,
+    category: str | None = None,
+    context: dict[str, Any] | None = None,
+    fingerprint: str | None = None,
+    occurred_at: datetime | None = None,
+    occurrence_count: int = 1,
+) -> None:
+    normalized_context = sanitize_log_value(context or {})
+    if not isinstance(normalized_context, dict):
+        normalized_context = {"value": normalized_context}
+    safe_message = str(sanitize_log_value(message))
+    normalized_level = str(level or "info").lower()
+    count = max(1, int(occurrence_count or 1))
+    event_time = occurred_at or datetime.now(UTC)
+    event_fingerprint = fingerprint or build_observability_fingerprint(
+        source=source,
+        service=service,
+        module=module,
+        category=category,
+        event=event,
+        message=safe_message,
+        context=normalized_context,
+    )
+    detail = _context_text(normalized_context, "detail") or _context_text(normalized_context, "error")
+    affected_sources = sorted(
+        {
+            item
+            for item in (
+                source,
+                service,
+                module,
+                _context_text(normalized_context, "source_id"),
+                _context_text(normalized_context, "source"),
+            )
+            if item
+        }
+    )
+    try:
+        async with async_session_factory() as session:
+            session.add(
+                ObservabilityEvent(
+                    source=source,
+                    service=service,
+                    module=module,
+                    category=category,
+                    event=event,
+                    level=normalized_level,
+                    message=safe_message,
+                    fingerprint=event_fingerprint,
+                    occurred_at=event_time,
+                    request_id=request_id or get_request_id(),
+                    trace_id=trace_id,
+                    user_id=user_id,
+                    task_id=_context_text(normalized_context, "task_id"),
+                    source_ref_id=_context_text(normalized_context, "source_id") or _context_text(normalized_context, "source"),
+                    provider=_context_text(normalized_context, "provider"),
+                    context=normalized_context,
+                    occurrence_count=count,
+                )
+            )
+            group = await session.get(ObservabilityEventGroup, event_fingerprint)
+            if group is None:
+                session.add(
+                    ObservabilityEventGroup(
+                        fingerprint=event_fingerprint,
+                        source=source,
+                        service=service,
+                        module=module,
+                        category=category,
+                        event=event,
+                        last_level=normalized_level,
+                        sample_message=safe_message,
+                        sample_detail=detail,
+                        affected_sources=affected_sources,
+                        count=count,
+                        first_seen_at=event_time,
+                        last_seen_at=event_time,
+                    )
+                )
+            else:
+                group.count = int(group.count or 0) + count
+                group.last_seen_at = event_time
+                group.last_level = normalized_level
+                group.sample_message = safe_message
+                group.sample_detail = detail
+                merged_sources = sorted(set(group.affected_sources or []) | set(affected_sources))
+                group.affected_sources = merged_sources
+            await session.commit()
+    except Exception:
+        logger.exception_event(
+            "Failed to persist observability event",
+            event="observability_event.persist.failed",
+            context={"event_name": event, "source": source},
+        )
+
 
 async def record_system_log(
     *,
@@ -23,6 +194,8 @@ async def record_system_log(
     user_id: int | None = None,
     category: str | None = None,
     context: dict[str, Any] | None = None,
+    fingerprint: str | None = None,
+    occurrence_count: int = 1,
 ) -> None:
     try:
         async with async_session_factory() as session:
@@ -48,6 +221,21 @@ async def record_system_log(
             event="system_log.persist.failed",
             context={"event_name": event, "source": source},
         )
+    await record_observability_event(
+        source=source,
+        service=service,
+        module=module,
+        event=event,
+        level=level,
+        message=message,
+        request_id=request_id,
+        trace_id=trace_id,
+        user_id=user_id,
+        category=category,
+        context=context,
+        fingerprint=fingerprint,
+        occurrence_count=occurrence_count,
+    )
 
 
 async def record_audit_log(