Files
kefu/deploy/token-usage-20260917/admin_backend.py.diff
T
2026-09-21 10:34:06 +08:00

250 lines
14 KiB
Diff

--- server/admin_backend.py
+++ local/admin_backend.py
@@ -38,5 +38,5 @@
import urllib.parse
from collections import defaultdict, deque
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
from http.cookies import SimpleCookie
from pathlib import Path
@@ -863,4 +863,36 @@
created_at TEXT NOT NULL
);
+ CREATE TABLE IF NOT EXISTS model_usage_events (
+ event_id TEXT PRIMARY KEY NOT NULL,
+ request_id TEXT NOT NULL DEFAULT '',
+ task_id TEXT NOT NULL DEFAULT '',
+ tenant_id TEXT NOT NULL DEFAULT '',
+ desktop_account_id INTEGER,
+ provider_id TEXT NOT NULL DEFAULT '',
+ provider_name TEXT NOT NULL DEFAULT '',
+ model TEXT NOT NULL DEFAULT '',
+ kind TEXT NOT NULL DEFAULT '',
+ purpose TEXT NOT NULL CHECK(purpose IN ('chat','guard','knowledge')),
+ role TEXT NOT NULL CHECK(role IN ('answer','judge')),
+ attempt INTEGER NOT NULL CHECK(attempt >= 1),
+ status TEXT NOT NULL CHECK(status IN ('success','error')),
+ input_tokens INTEGER CHECK(input_tokens IS NULL OR input_tokens >= 0),
+ output_tokens INTEGER CHECK(output_tokens IS NULL OR output_tokens >= 0),
+ total_tokens INTEGER CHECK(total_tokens IS NULL OR total_tokens >= 0),
+ cached_input_tokens INTEGER CHECK(cached_input_tokens IS NULL OR cached_input_tokens >= 0),
+ reasoning_tokens INTEGER CHECK(reasoning_tokens IS NULL OR reasoning_tokens >= 0),
+ latency_ms INTEGER NOT NULL CHECK(latency_ms >= 0),
+ created_at TEXT NOT NULL
+ );
+ CREATE INDEX IF NOT EXISTS idx_model_usage_created
+ ON model_usage_events(created_at DESC, event_id);
+ CREATE INDEX IF NOT EXISTS idx_model_usage_tenant_created
+ ON model_usage_events(tenant_id, created_at DESC, event_id);
+ CREATE INDEX IF NOT EXISTS idx_model_usage_provider_created
+ ON model_usage_events(provider_id, created_at DESC, model);
+ CREATE INDEX IF NOT EXISTS idx_model_usage_purpose_created
+ ON model_usage_events(purpose, created_at DESC);
+ CREATE INDEX IF NOT EXISTS idx_model_usage_task_tenant
+ ON model_usage_events(task_id, tenant_id);
CREATE INDEX IF NOT EXISTS idx_tokens_digest ON auth_tokens(token_digest);
CREATE INDEX IF NOT EXISTS idx_desktop_sessions_digest
@@ -1587,4 +1619,190 @@
return {"total": int(total), "items": items}
+ @staticmethod
+ def _usage_record_values(record: dict[str, Any]) -> tuple:
+ """Validate a metadata-only event; never retain response or prompt bodies."""
+ if not isinstance(record, dict):
+ raise ValueError("model usage event must be a mapping")
+
+ def text(name: str, maximum: int = 256) -> str:
+ value = str(record.get(name) or "").strip()
+ if len(value) > maximum:
+ raise ValueError(f"model usage {name} is too long")
+ return value
+
+ def integer(name: str, *, nullable: bool = False, default: int = 0) -> int | None:
+ value = record.get(name)
+ if value is None:
+ return None if nullable else default
+ if isinstance(value, bool) or not isinstance(value, int):
+ raise ValueError(f"model usage {name} must be an integer or null")
+ if value < 0 or value > 9_223_372_036_854_775_807:
+ raise ValueError(f"model usage {name} is out of range")
+ return value
+
+ event_id = text("event_id")
+ if not event_id:
+ raise ValueError("model usage event_id is required")
+ purpose, role, state = text("purpose"), text("role"), text("status")
+ if purpose not in {"chat", "guard", "knowledge"}:
+ raise ValueError("model usage purpose is invalid")
+ if role not in {"answer", "judge"}:
+ raise ValueError("model usage role is invalid")
+ if state not in {"success", "error"}:
+ raise ValueError("model usage status is invalid")
+ attempt = integer("attempt", default=1)
+ if not attempt:
+ raise ValueError("model usage attempt must be positive")
+ created = record.get("created_at")
+ if created:
+ try:
+ stamp = datetime.fromisoformat(str(created).replace("Z", "+00:00"))
+ except (TypeError, ValueError) as exc:
+ raise ValueError("model usage created_at must be an ISO timestamp") from exc
+ if stamp.tzinfo is None:
+ raise ValueError("model usage created_at requires a timezone")
+ stamp = stamp.astimezone(timezone.utc)
+ else:
+ stamp = datetime.now(timezone.utc)
+ return (
+ event_id, text("request_id"), text("task_id"), text("tenant_id"),
+ integer("desktop_account_id", nullable=True), text("provider_id"),
+ text("provider_name", 512), text("model", 512), text("kind", 80),
+ purpose, role, attempt, state,
+ *(integer(name, nullable=True) for name in (
+ "input_tokens", "output_tokens", "total_tokens",
+ "cached_input_tokens", "reasoning_tokens")),
+ integer("latency_ms"), stamp.isoformat(timespec="milliseconds"),
+ )
+
+ def record_model_usage(self, record: dict[str, Any]) -> bool:
+ """Append one actual upstream attempt, idempotently by event_id.
+
+ Raise on invalid data/storage failures so the caller can retry or warn;
+ False means this event already exists. No token values are estimated.
+ """
+ return bool(self.record_model_usage_batch([record]))
+
+ def record_model_usage_batch(self, records: list[dict[str, Any]]) -> int:
+ """Atomically persist a request's attempts; return newly inserted rows."""
+ values = [self._usage_record_values(record) for record in records]
+ if not values:
+ return 0
+ with self.connect() as db:
+ db.execute("BEGIN")
+ before = db.total_changes
+ db.executemany(
+ """INSERT INTO model_usage_events (
+ event_id,request_id,task_id,tenant_id,desktop_account_id,
+ provider_id,provider_name,model,kind,purpose,role,attempt,status,
+ input_tokens,output_tokens,total_tokens,cached_input_tokens,
+ reasoning_tokens,latency_ms,created_at)
+ VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
+ ON CONFLICT(event_id) DO NOTHING""",
+ values,
+ )
+ inserted = db.total_changes - before
+ return inserted
+
+ @staticmethod
+ def _model_usage_window(days: int) -> tuple[int, str, str]:
+ days = max(1, min(int(days or 7), 90))
+ today = datetime.now(timezone.utc).replace(hour=0, minute=0, second=0, microsecond=0)
+ since = today - timedelta(days=days - 1)
+ until = today + timedelta(days=1)
+ return days, since.isoformat(timespec="milliseconds"), until.isoformat(timespec="milliseconds")
+
+ @staticmethod
+ def _model_usage_where(since: str, until: str, tenant_id: Any,
+ purpose: str, provider_id: str, model: str) -> tuple[str, list[Any]]:
+ tenant_clause, tenant_params = tenant_filter(tenant_id)
+ clauses = ["created_at >= ?", "created_at < ?", tenant_clause]
+ params: list[Any] = [since, until, *tenant_params]
+ for column, value in (("purpose", purpose), ("provider_id", provider_id), ("model", model)):
+ if value:
+ clauses.append(f"{column} = ?")
+ params.append(str(value))
+ return " AND ".join(clauses), params
+
+ @staticmethod
+ def _model_usage_aggregation_sql() -> str:
+ fields = ["COUNT(*) AS request_count", "COUNT(total_tokens) AS known_count",
+ "COUNT(*) - COUNT(total_tokens) AS missing_count"]
+ for name in ("input", "output", "total", "cached_input", "reasoning"):
+ column = name + "_tokens"
+ # With calls but no reported values, NULL is not the same as zero.
+ fields.append(f"CASE WHEN COUNT(*) = 0 THEN 0 ELSE SUM({column}) END AS {column}")
+ if name != "total":
+ fields.append(f"COUNT({column}) AS {name}_known_count")
+ return ", ".join(fields)
+
+ def model_usage_stats(self, days: int = 7, tenant_id: Any = "default",
+ purpose: str = "", provider_id: str = "", model: str = "") -> dict[str, Any]:
+ """Actual upstream attempts, including retries/judges/errors; UTC days."""
+ days, since, until = self._model_usage_window(days)
+ where, params = self._model_usage_where(since, until, tenant_id, purpose, provider_id, model)
+ aggregates = self._model_usage_aggregation_sql()
+ with self.connect() as db:
+ db.execute("BEGIN")
+ summary = dict(db.execute(
+ f"SELECT {aggregates} FROM model_usage_events WHERE {where}", params).fetchone())
+ by_model = [dict(row) for row in db.execute(
+ f"""SELECT provider_id, MAX(provider_name) AS provider_name, model, {aggregates}
+ FROM model_usage_events WHERE {where}
+ GROUP BY provider_id, model ORDER BY request_count DESC, provider_id, model""", params)]
+ by_purpose = [dict(row) for row in db.execute(
+ f"""SELECT purpose, {aggregates} FROM model_usage_events WHERE {where}
+ GROUP BY purpose ORDER BY purpose""", params)]
+ daily_rows = {row["date"]: dict(row) for row in db.execute(
+ f"""SELECT substr(created_at, 1, 10) AS date, {aggregates}
+ FROM model_usage_events WHERE {where} GROUP BY date ORDER BY date""", params)}
+ # Old orchestration logs are a separate coverage indication, never
+ # backfilled into token events. datetime() normalises historical
+ # timestamps that may have been written with a local UTC offset.
+ tenant_clause, tenant_params = tenant_filter(tenant_id, "calls.tenant_id")
+ legacy_where = ["datetime(calls.created_at) >= datetime(?)",
+ "datetime(calls.created_at) < datetime(?)", tenant_clause]
+ legacy_params: list[Any] = [since, until, *tenant_params]
+ if purpose:
+ legacy_where.append("calls.purpose = ?")
+ legacy_params.append(purpose)
+ legacy_where.append("""NOT EXISTS (
+ SELECT 1 FROM model_usage_events AS usage
+ WHERE calls.task_id != '' AND usage.task_id != '' AND usage.task_id = calls.task_id
+ AND (usage.tenant_id = calls.tenant_id OR
+ (usage.tenant_id IN ('', 'default') AND calls.tenant_id IN ('', 'default')))
+ )""")
+ legacy_unmetered = db.execute(
+ f"SELECT COUNT(*) FROM model_calls AS calls WHERE {' AND '.join(legacy_where)}",
+ legacy_params).fetchone()[0]
+ zero = {key: 0 for key in summary}
+ first = datetime.fromisoformat(since)
+ daily = []
+ for index in range(days):
+ date = (first + timedelta(days=index)).date().isoformat()
+ daily.append(daily_rows.get(date, {"date": date, **zero}))
+ return {
+ "days": days, "since": since, "timezone": "UTC", "summary": summary,
+ "by_model": by_model, "by_purpose": by_purpose, "daily": daily,
+ "legacy_unmetered_calls": int(legacy_unmetered),
+ "legacy_unmetered_scope": "account_time_purpose",
+ "legacy_unmetered_note": "旧调用按账号、UTC日期和用途统计;没有task_id的旧记录无法关联,亦无法按模型或服务商准确筛选。",
+ }
+
+ def list_model_usage(self, days: int = 7, limit: int = 50, offset: int = 0,
+ tenant_id: Any = "default", purpose: str = "",
+ provider_id: str = "", model: str = "") -> dict[str, Any]:
+ """Paginated metadata only, retaining NULL for unavailable usage."""
+ _, since, until = self._model_usage_window(days)
+ limit, offset = max(1, min(int(limit or 50), 200)), max(0, int(offset or 0))
+ where, params = self._model_usage_where(since, until, tenant_id, purpose, provider_id, model)
+ with self.connect() as db:
+ db.execute("BEGIN")
+ total = db.execute(f"SELECT COUNT(*) FROM model_usage_events WHERE {where}", params).fetchone()[0]
+ rows = db.execute(
+ f"""SELECT * FROM model_usage_events WHERE {where}
+ ORDER BY created_at DESC, event_id DESC LIMIT ? OFFSET ?""", [*params, limit, offset]).fetchall()
+ return {"total": int(total), "items": [dict(row) for row in rows]}
+
# ── 角色与权限 ────────────────────────────────────────────────────────
@staticmethod
@@ -1632,4 +1850,6 @@
if name not in exists:
db.execute(f"ALTER TABLE {table} ADD COLUMN {name} {spec}")
+ db.execute("CREATE INDEX IF NOT EXISTS idx_model_calls_usage_utc "
+ "ON model_calls(datetime(created_at), tenant_id, purpose)")
Database._ensure_model_calls_task_unique(db)
Database._backfill_guard_purpose(db)