Files
llm/core/observability/store.py
T

48 lines
1.5 KiB
Python

from __future__ import annotations
import json
import threading
from datetime import datetime, timezone
from pathlib import Path
from typing import Any
def utc_now_iso() -> str:
return datetime.now(timezone.utc).isoformat()
def resolve_audit_root(root: Path, *, service: str, env_var: str | None = None) -> Path:
import os
configured = os.environ.get(env_var or "", "").strip() if env_var else ""
if configured:
return Path(configured)
return root / "reports" / "observability" / service
class JsonlAuditStore:
def __init__(self, root: Path, *, service: str) -> None:
self.root = root
self.service = service
self.root.mkdir(parents=True, exist_ok=True)
self._lock = threading.Lock()
def _path_for(self, event_type: str) -> Path:
stamp = datetime.now(timezone.utc).strftime("%Y%m%d")
return self.root / event_type / f"{stamp}.jsonl"
def write_event(self, event_type: str, payload: dict[str, Any]) -> dict[str, Any]:
record = {
"event_type": event_type,
"service": self.service,
"logged_at": utc_now_iso(),
**payload,
}
path = self._path_for(event_type)
path.parent.mkdir(parents=True, exist_ok=True)
line = json.dumps(record, ensure_ascii=False, separators=(",", ":")) + "\n"
with self._lock:
with path.open("a", encoding="utf-8") as handle:
handle.write(line)
return record