Movses AslanyanandClaude Opus 5.5
bc11638a15
Prose f-strings become past-tense events with consistent field names across services (account_id, transaction_id, amount_minor, risk_score, status_code, consumer_group, message_id, chaos_flag). The orchestrator and both consumers move from logging.getLogger to structlog so they can pass fields. New events cover what was silent before: the gateway's UpstreamFailure path (transaction_failed, with the underlying cause), fraud's score and sanctions' screening outcomes, and each successfully processed stream message. holder_name is no longer logged at all. "lookup" and "healthz" still appear in exactly one event each, so the pathology tests' log-line counts are unchanged until they move to LogQL. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
import asyncio
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from fastapi import FastAPI, Request
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from fastapi.responses import JSONResponse
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from pydantic import BaseModel
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from opentelemetry import trace
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from opentelemetry.trace import StatusCode
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from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
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from opentelemetry.instrumentation.sqlalchemy import SQLAlchemyInstrumentor
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from common.db import engine
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from common.logging_config import configure_logging
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from common.telemetry import setup_telemetry
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from . import chaos
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from .repository import is_match
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SERVICE_NAME = "sanctions"
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logger = configure_logging(SERVICE_NAME)
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tracer = trace.get_tracer(__name__)
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setup_telemetry(service_name=SERVICE_NAME)
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app = FastAPI(title=SERVICE_NAME)
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FastAPIInstrumentor.instrument_app(
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app,
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excluded_urls="/healthz",
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exclude_spans=["receive", "send"],
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)
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SQLAlchemyInstrumentor().instrument(engines=[engine.sync_engine])
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class LookupRequest(BaseModel):
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holder_name: str
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@app.get("/")
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async def root():
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return {"service": SERVICE_NAME, "version": "0.1.0"}
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@app.get("/healthz")
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async def healthz(request: Request):
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if request.headers.get("X-Ledgerline-Probe") == "chatty-health":
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logger.info("healthz_probe_received", probe="chatty-health")
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return {"status": "ok", "service": SERVICE_NAME}
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@app.get("/readyz")
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async def readyz():
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try:
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async with engine.connect() as conn:
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await conn.exec_driver_sql("SELECT 1")
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except Exception as exc:
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span = trace.get_current_span()
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span.record_exception(exc)
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span.set_status(StatusCode.ERROR, str(exc))
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logger.exception("readyz_check_failed")
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return JSONResponse(status_code=503, content={"status": "unavailable"})
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return {"status": "ok"}
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@app.post("/internal/lookup")
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async def lookup(body: LookupRequest):
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# holder_name is PII: logged by omission, not by redaction.
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logger.info("lookup_received")
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if await chaos.sanctions_errors_enabled() and chaos.should_error():
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logger.info("chaos_engaged", chaos_flag="sanctions_errors")
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return JSONResponse(status_code=503, content={"error": "sanctions vendor unavailable"})
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if await chaos.slow_sanctions_enabled():
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delay = chaos.sample_delay_seconds()
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logger.info("chaos_engaged", chaos_flag="slow_sanctions", delay_ms=round(delay * 1000, 1))
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await asyncio.sleep(delay)
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# holder_name is PII: it stays off the span; only the outcome is recorded.
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with tracer.start_as_current_span("sanctions.lookup_watchlist") as span:
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match = await is_match(body.holder_name)
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span.set_attribute("ledgerline.sanctions.matched", match is not None)
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if match:
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span.set_attribute("ledgerline.sanctions.list_source", match["list_source"])
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logger.info(
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"holder_screened",
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matched=match is not None,
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list_source=match["list_source"] if match else None,
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)
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if match:
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return {"matched": True, **match}
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return {"matched": False, "country": None, "list_source": None}
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