| 1 | from __future__ import annotations |
| 2 | |
| 3 | import json |
| 4 | import logging |
| 5 | from datetime import datetime, timezone |
| 6 | from time import monotonic |
| 7 | from typing import Any |
| 8 | |
| 9 | from opentelemetry import trace |
| 10 | |
| 11 | |
| 12 | logger = logging.getLogger("yahoo_finance_mcp.audit") |
| 13 | |
| 14 | |
| 15 | class YahooMcpAudit: |
| 16 | def __init__(self, *, service: str, environment: str) -> None: |
| 17 | self.service = service |
| 18 | self.environment = environment |
| 19 | |
| 20 | def emit( |
| 21 | self, |
| 22 | event: str, |
| 23 | *, |
| 24 | request_id: str, |
| 25 | global_instrument_id: str, |
| 26 | symbol: str, |
| 27 | tool: str, |
| 28 | started: float, |
| 29 | error_code: str | None = None, |
| 30 | ) -> None: |
| 31 | span_context = trace.get_current_span().get_span_context() |
| 32 | payload: dict[str, Any] = { |
| 33 | "timestamp": datetime.now(timezone.utc).isoformat(), |
| 34 | "service": self.service, |
| 35 | "environment": self.environment, |
| 36 | "level": "INFO" if event in {"YAHOO_MCP_REQUEST", "YAHOO_MCP_SUCCESS"} else "WARNING", |
| 37 | "event": event, |
| 38 | "requestId": request_id, |
| 39 | "globalInstrumentId": global_instrument_id, |
| 40 | "yahooSymbol": symbol, |
| 41 | "tool": tool, |
| 42 | "durationMs": max(0, round((monotonic() - started) * 1000, 2)), |
| 43 | } |
| 44 | if span_context.is_valid: |
| 45 | payload["traceId"] = format(span_context.trace_id, "032x") |
| 46 | if error_code: |
| 47 | payload["errorCode"] = error_code |
| 48 | message = json.dumps(payload, separators=(",", ":"), sort_keys=True) |
| 49 | if payload["level"] == "WARNING": |
| 50 | logger.warning(message) |
| 51 | else: |
| 52 | logger.info(message) |