1255 lines
41 KiB
Python
1255 lines
41 KiB
Python
from __future__ import annotations
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import asyncio
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import hashlib
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import time
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from datetime import timedelta
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from decimal import Decimal, InvalidOperation
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from fastapi import HTTPException, status
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from sqlalchemy import case, func, or_, select
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy.orm import Session
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from ..models.base import utcnow
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from ..models.model_registry import (
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ModelApiKey,
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ModelHealthCheck,
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ModelRegistry,
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ModelRouteRule,
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ModelTestRun,
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ModelUsageLog,
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)
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from ..models.user import User
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from ..schemas.model_registry import (
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ModelApiKeyListResponse,
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ModelApiKeyPublic,
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ModelCreateRequest,
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ModelHealthCheckListResponse,
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ModelHealthCheckPublic,
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ModelListResponse,
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ModelRegistryPublic,
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ModelRotateKeyRequest,
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ModelRouteRuleCreateRequest,
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ModelRouteRuleListResponse,
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ModelRouteRulePublic,
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ModelRouteRuleUpdateRequest,
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ModelSummaryResponse,
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ModelTestChatRequest,
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ModelTestChatResponse,
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ModelTestRunListResponse,
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ModelTestRunPublic,
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ModelTestRunRequest,
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ModelTestSummary,
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ModelTransitionRequest,
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ModelUpdateRequest,
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ModelUsageIngestRequest,
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ModelUsageSummary,
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)
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from .llm_gateway import create_reply_with_model
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from .push_service import publish_topic
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MODEL_TOPIC = "model.registry"
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GLOBAL_ROUTE_KEY = "__global__"
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VALID_STATUSES = ("DRAFT", "ENABLED", "DISABLED", "DEPRECATED")
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VALID_ROUTE_TYPES = ("GLOBAL", "CAPABILITY", "BUSINESS", "AGENT")
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MODEL_STATUS_TRANSITIONS: dict[str, set[str]] = {
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"DRAFT": {"ENABLED", "DISABLED", "DEPRECATED"},
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"ENABLED": {"DISABLED", "DEPRECATED"},
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"DISABLED": {"ENABLED", "DEPRECATED"},
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"DEPRECATED": {"DISABLED"},
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}
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def list_models(db: Session, *, status_filter: str | None, keyword: str | None) -> ModelListResponse:
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stmt = select(ModelRegistry)
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if status_filter:
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normalized_status = status_filter.strip().upper()
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if normalized_status not in VALID_STATUSES:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"Invalid status filter: {status_filter}")
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stmt = stmt.where(ModelRegistry.status == normalized_status)
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if keyword:
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like = f"%{keyword.strip()}%"
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stmt = stmt.where(
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or_(
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ModelRegistry.code.ilike(like),
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ModelRegistry.name.ilike(like),
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ModelRegistry.provider.ilike(like),
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ModelRegistry.provider_model.ilike(like),
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)
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)
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models = db.execute(stmt.order_by(ModelRegistry.updated_at.desc(), ModelRegistry.id.desc())).scalars().all()
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metrics = _collect_model_metrics(db, models)
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return ModelListResponse(
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items=[_serialize_model(model, metrics) for model in models],
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total=len(models),
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)
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def get_model_summary(db: Session) -> ModelSummaryResponse:
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status_counts = {status_code: 0 for status_code in VALID_STATUSES}
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for row in db.execute(select(ModelRegistry.status, func.count()).group_by(ModelRegistry.status)).all():
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status_counts[str(row[0])] = int(row[1])
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route_type_counts = {route_type: 0 for route_type in VALID_ROUTE_TYPES}
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for row in db.execute(select(ModelRouteRule.route_type, func.count()).group_by(ModelRouteRule.route_type)).all():
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route_type_counts[str(row[0])] = int(row[1])
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usage_7d = _aggregate_usage_7d(
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db,
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model_codes=None,
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)
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tests_7d = _aggregate_tests_7d(
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db,
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model_ids=None,
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)
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enabled_models = db.execute(
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select(ModelRegistry.id).where(ModelRegistry.status == "ENABLED")
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).scalars().all()
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enabled_without_healthy_check = _count_enabled_without_healthy(db, enabled_models)
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total_models = db.scalar(select(func.count()).select_from(ModelRegistry)) or 0
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total_route_rules = db.scalar(select(func.count()).select_from(ModelRouteRule)) or 0
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return ModelSummaryResponse(
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total_models=int(total_models),
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status_counts=status_counts,
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total_route_rules=int(total_route_rules),
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route_type_counts=route_type_counts,
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enabled_without_healthy_check=enabled_without_healthy_check,
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usage_7d=usage_7d,
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tests_7d=tests_7d,
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)
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def get_model_detail(db: Session, model_id: int) -> ModelRegistryPublic:
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model = _get_model_by_id(db, model_id)
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if not model:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
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metrics = _collect_model_metrics(db, [model])
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return _serialize_model(model, metrics)
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def create_model(db: Session, payload: ModelCreateRequest, *, actor: User) -> ModelRegistryPublic:
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code = _normalize_code(payload.code)
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existing = db.scalar(select(ModelRegistry.id).where(ModelRegistry.code == code))
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if existing is not None:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Duplicate model code")
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model = ModelRegistry(
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code=code,
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name=payload.name.strip(),
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provider=payload.provider.strip(),
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provider_model=payload.provider_model.strip(),
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status=payload.status,
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capabilities=_normalize_capabilities(payload.capabilities),
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description=payload.description.strip(),
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base_url=_normalize_nullable_str(payload.base_url),
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)
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db.add(model)
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db.flush()
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if payload.api_key:
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_rotate_model_key_internal(db, model=model, raw_key=payload.api_key, actor_user_id=actor.id, note="initial")
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try:
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db.commit()
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except IntegrityError:
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db.rollback()
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Model create failed due to duplicate or invalid data")
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saved = _get_model_by_id(db, model.id)
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if not saved:
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Model save failed")
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_publish_model_changed("created", model=saved)
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return get_model_detail(db, saved.id)
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def update_model(db: Session, model_id: int, payload: ModelUpdateRequest) -> ModelRegistryPublic:
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model = _get_model_by_id(db, model_id)
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if not model:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
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update_data = payload.model_dump(exclude_unset=True)
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if not update_data:
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return get_model_detail(db, model_id)
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if "name" in update_data:
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model.name = str(update_data["name"]).strip()
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if "provider" in update_data:
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model.provider = str(update_data["provider"]).strip()
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if "provider_model" in update_data:
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model.provider_model = str(update_data["provider_model"]).strip()
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if "capabilities" in update_data:
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model.capabilities = _normalize_capabilities(update_data["capabilities"])
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if "description" in update_data:
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model.description = str(update_data["description"] or "").strip()
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if "base_url" in update_data:
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model.base_url = _normalize_nullable_str(update_data["base_url"])
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db.commit()
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saved = _get_model_by_id(db, model_id)
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if not saved:
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Model load failed")
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_publish_model_changed("updated", model=saved)
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return get_model_detail(db, model_id)
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def transition_model_status(
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db: Session,
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model_id: int,
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payload: ModelTransitionRequest,
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*,
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actor: User,
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) -> ModelRegistryPublic:
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model = _get_model_by_id(db, model_id)
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if not model:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
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current_status = model.status
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target_status = payload.status
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if current_status == target_status:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Status is unchanged")
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allowed = MODEL_STATUS_TRANSITIONS.get(current_status, set())
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if target_status not in allowed:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"Transition not allowed: {current_status} -> {target_status}",
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)
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if target_status == "ENABLED":
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active_key_exists = db.scalar(
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select(ModelApiKey.id).where(
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ModelApiKey.model_id == model.id,
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ModelApiKey.is_active.is_(True),
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)
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)
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if active_key_exists is None:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Active API key is required before enabling model")
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model.status = target_status
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db.commit()
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saved = _get_model_by_id(db, model_id)
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if not saved:
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Model load failed")
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_publish_model_changed(
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"status_transitioned",
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model=saved,
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extra_payload={
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"from_status": current_status,
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"to_status": target_status,
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"note": _normalize_nullable_str(payload.note),
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"actor_user_id": actor.id,
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},
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)
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return get_model_detail(db, model_id)
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def delete_model(db: Session, model_id: int) -> None:
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model = _get_model_by_id(db, model_id)
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if not model:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
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if model.status == "ENABLED":
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Enabled model cannot be deleted; disable or deprecate first")
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bound_rules = db.execute(
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select(ModelRouteRule)
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.where(ModelRouteRule.target_model_code == model.code)
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.order_by(ModelRouteRule.route_type.asc(), ModelRouteRule.route_key.asc())
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).scalars().all()
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if bound_rules:
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refs = [f"{rule.route_type}:{rule.route_key}" for rule in bound_rules[:5]]
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"Model is referenced by {len(bound_rules)} route rule(s): {', '.join(refs)}",
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)
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deleted_model_id = model.id
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deleted_model_code = model.code
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db.delete(model)
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db.commit()
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_fire_and_forget(
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publish_topic(
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MODEL_TOPIC,
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name="models.changed",
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payload={"action": "deleted", "model_id": deleted_model_id, "model_code": deleted_model_code},
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requires_refetch=[],
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dedupe_key=f"models:deleted:{deleted_model_id}",
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)
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)
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def list_model_keys(db: Session, model_id: int) -> ModelApiKeyListResponse:
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_require_model_exists(db, model_id)
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keys = db.execute(
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select(ModelApiKey)
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.where(ModelApiKey.model_id == model_id)
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.order_by(ModelApiKey.version.desc(), ModelApiKey.id.desc())
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).scalars().all()
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return ModelApiKeyListResponse(items=[_serialize_key(item) for item in keys], total=len(keys))
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|
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def rotate_model_key(
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db: Session,
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model_id: int,
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payload: ModelRotateKeyRequest,
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*,
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actor: User,
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) -> ModelApiKeyPublic:
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model = _get_model_by_id(db, model_id)
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if not model:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
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rotated = _rotate_model_key_internal(
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db,
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model=model,
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raw_key=payload.api_key,
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actor_user_id=actor.id,
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note=_normalize_nullable_str(payload.note),
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)
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db.commit()
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_publish_model_changed(
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"key_rotated",
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model=model,
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extra_payload={"key_version": rotated.version, "actor_user_id": actor.id},
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)
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return _serialize_key(rotated)
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def run_model_health_check(db: Session, model_id: int) -> ModelHealthCheckPublic:
|
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model = _get_model_by_id(db, model_id)
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if not model:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
|
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start = time.perf_counter()
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active_key = _get_active_key(db, model.id)
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route_count = int(
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db.scalar(
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select(func.count())
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.select_from(ModelRouteRule)
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.where(
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ModelRouteRule.target_model_code == model.code,
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ModelRouteRule.enabled.is_(True),
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)
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)
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or 0
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)
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status_value, reason, detail = _evaluate_health(model=model, has_active_key=active_key is not None, route_count=route_count)
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latency_ms = int((time.perf_counter() - start) * 1000)
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check = ModelHealthCheck(
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model_id=model.id,
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status=status_value,
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reason=reason,
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latency_ms=latency_ms,
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detail_json=detail,
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)
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db.add(check)
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db.commit()
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_publish_model_changed(
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"health_checked",
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model=model,
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extra_payload={"health_status": check.status, "health_reason": check.reason},
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)
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return _serialize_health_check(check)
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|
|
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def list_model_health_checks(db: Session, model_id: int, *, limit: int = 20) -> ModelHealthCheckListResponse:
|
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_require_model_exists(db, model_id)
|
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checks = db.execute(
|
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select(ModelHealthCheck)
|
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.where(ModelHealthCheck.model_id == model_id)
|
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.order_by(ModelHealthCheck.id.desc())
|
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.limit(max(1, min(limit, 100)))
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).scalars().all()
|
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return ModelHealthCheckListResponse(
|
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items=[_serialize_health_check(item) for item in checks],
|
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total=len(checks),
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)
|
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|
|
|
|
def run_model_test(
|
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db: Session,
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model_id: int,
|
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payload: ModelTestRunRequest,
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*,
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actor: User,
|
|
) -> ModelTestRunPublic:
|
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model = _get_model_by_id(db, model_id)
|
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if not model:
|
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
|
|
|
|
start = time.perf_counter()
|
|
active_key = _get_active_key(db, model.id)
|
|
|
|
passed = model.status == "ENABLED" and active_key is not None
|
|
error_message = None
|
|
if not passed:
|
|
if model.status != "ENABLED":
|
|
error_message = f"Model status is {model.status}; expected ENABLED"
|
|
elif active_key is None:
|
|
error_message = "No active API key"
|
|
else:
|
|
error_message = "Unknown test failure"
|
|
|
|
latency_ms = int((time.perf_counter() - start) * 1000)
|
|
status_value = "PASSED" if passed else "FAILED"
|
|
|
|
test_run = ModelTestRun(
|
|
model_id=model.id,
|
|
kind=payload.kind.strip().upper(),
|
|
status=status_value,
|
|
input_tokens=payload.input_tokens,
|
|
output_tokens=payload.output_tokens,
|
|
latency_ms=latency_ms,
|
|
error_message=error_message,
|
|
created_by_user_id=actor.id,
|
|
)
|
|
db.add(test_run)
|
|
|
|
total_tokens = payload.input_tokens + payload.output_tokens
|
|
usage_log = ModelUsageLog(
|
|
model_code=model.code,
|
|
source="TEST",
|
|
request_count=1,
|
|
success_count=1 if passed else 0,
|
|
total_tokens=total_tokens,
|
|
total_cost_usd=Decimal("0"),
|
|
)
|
|
db.add(usage_log)
|
|
|
|
db.commit()
|
|
|
|
_publish_model_changed(
|
|
"tested",
|
|
model=model,
|
|
extra_payload={
|
|
"test_status": status_value,
|
|
"test_id": test_run.id,
|
|
"actor_user_id": actor.id,
|
|
},
|
|
)
|
|
return _serialize_test_run(test_run, model_code=model.code)
|
|
|
|
|
|
def run_model_test_chat(
|
|
db: Session,
|
|
model_id: int,
|
|
payload: ModelTestChatRequest,
|
|
*,
|
|
actor: User,
|
|
) -> ModelTestChatResponse:
|
|
model = _get_model_by_id(db, model_id)
|
|
if not model:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
|
|
|
|
normalized_message = payload.message.strip()
|
|
normalized_system_prompt = (payload.system_prompt or "").strip()
|
|
if not normalized_message:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="message cannot be empty")
|
|
|
|
active_key = _get_active_key(db, model.id)
|
|
|
|
reply: str | None = None
|
|
prompt_tokens: int | None = None
|
|
completion_tokens: int | None = None
|
|
total_tokens: int | None = None
|
|
latency_ms: int | None = None
|
|
error_message: str | None = None
|
|
test_status = "FAILED"
|
|
|
|
if model.status != "ENABLED":
|
|
error_message = f"Model status is {model.status}; expected ENABLED"
|
|
elif active_key is None:
|
|
error_message = "No active API key"
|
|
else:
|
|
started = time.perf_counter()
|
|
try:
|
|
llm_result = create_reply_with_model(
|
|
model=model,
|
|
user_message=normalized_message,
|
|
context_messages=[],
|
|
system_prompt=normalized_system_prompt,
|
|
)
|
|
reply = llm_result.content
|
|
prompt_tokens = llm_result.prompt_tokens
|
|
completion_tokens = llm_result.completion_tokens
|
|
total_tokens = llm_result.total_tokens
|
|
latency_ms = llm_result.latency_ms
|
|
test_status = "PASSED"
|
|
except HTTPException as exc:
|
|
latency_ms = int((time.perf_counter() - started) * 1000)
|
|
error_message = str(exc.detail)
|
|
except Exception as exc: # pragma: no cover - defensive fallback
|
|
latency_ms = int((time.perf_counter() - started) * 1000)
|
|
error_message = str(exc)
|
|
|
|
if prompt_tokens is None:
|
|
prompt_tokens = _estimate_text_tokens(normalized_message + ("\n" + normalized_system_prompt if normalized_system_prompt else ""))
|
|
if completion_tokens is None:
|
|
completion_tokens = _estimate_text_tokens(reply or "")
|
|
if total_tokens is None:
|
|
total_tokens = int(prompt_tokens or 0) + int(completion_tokens or 0)
|
|
|
|
test_run = ModelTestRun(
|
|
model_id=model.id,
|
|
kind="CHAT",
|
|
status=test_status,
|
|
input_tokens=int(prompt_tokens or 0),
|
|
output_tokens=int(completion_tokens or 0),
|
|
latency_ms=latency_ms,
|
|
error_message=error_message,
|
|
created_by_user_id=actor.id,
|
|
)
|
|
db.add(test_run)
|
|
|
|
usage_log = ModelUsageLog(
|
|
model_code=model.code,
|
|
source="TEST_CHAT",
|
|
request_count=1,
|
|
success_count=1 if test_status == "PASSED" else 0,
|
|
total_tokens=int(total_tokens or 0),
|
|
total_cost_usd=Decimal("0"),
|
|
)
|
|
db.add(usage_log)
|
|
|
|
db.commit()
|
|
|
|
_publish_model_changed(
|
|
"tested",
|
|
model=model,
|
|
extra_payload={
|
|
"test_status": test_status,
|
|
"test_id": test_run.id,
|
|
"test_kind": "CHAT",
|
|
"actor_user_id": actor.id,
|
|
},
|
|
)
|
|
|
|
return ModelTestChatResponse(
|
|
model_id=model.id,
|
|
model_code=model.code,
|
|
provider=model.provider,
|
|
provider_model=model.provider_model,
|
|
reply=reply,
|
|
latency_ms=latency_ms,
|
|
prompt_tokens=prompt_tokens,
|
|
completion_tokens=completion_tokens,
|
|
total_tokens=total_tokens,
|
|
test_status=test_status,
|
|
error_message=error_message,
|
|
)
|
|
|
|
|
|
def list_model_tests(db: Session, model_id: int, *, limit: int = 20) -> ModelTestRunListResponse:
|
|
model = _get_model_by_id(db, model_id)
|
|
if not model:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
|
|
|
|
tests = db.execute(
|
|
select(ModelTestRun)
|
|
.where(ModelTestRun.model_id == model.id)
|
|
.order_by(ModelTestRun.id.desc())
|
|
.limit(max(1, min(limit, 100)))
|
|
).scalars().all()
|
|
return ModelTestRunListResponse(
|
|
items=[_serialize_test_run(item, model_code=model.code) for item in tests],
|
|
total=len(tests),
|
|
)
|
|
|
|
|
|
def ingest_model_usage(db: Session, payload: ModelUsageIngestRequest) -> dict[str, bool]:
|
|
if payload.success_count > payload.request_count:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="success_count cannot be greater than request_count")
|
|
|
|
model_code = _normalize_code(payload.model_code)
|
|
exists = db.scalar(select(ModelRegistry.id).where(ModelRegistry.code == model_code))
|
|
if exists is None:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model code not found")
|
|
|
|
total_cost = _to_decimal(payload.total_cost_usd)
|
|
log = ModelUsageLog(
|
|
model_code=model_code,
|
|
source=payload.source.strip().upper(),
|
|
request_count=payload.request_count,
|
|
success_count=payload.success_count,
|
|
total_tokens=payload.total_tokens,
|
|
total_cost_usd=total_cost,
|
|
)
|
|
db.add(log)
|
|
db.commit()
|
|
|
|
_fire_and_forget(
|
|
publish_topic(
|
|
MODEL_TOPIC,
|
|
name="models.usage_ingested",
|
|
payload={"model_code": model_code, "request_count": payload.request_count},
|
|
requires_refetch=[],
|
|
dedupe_key=f"models:usage:{model_code}",
|
|
)
|
|
)
|
|
return {"success": True}
|
|
|
|
|
|
def list_route_rules(db: Session) -> ModelRouteRuleListResponse:
|
|
rules = db.execute(
|
|
select(ModelRouteRule)
|
|
.order_by(ModelRouteRule.route_type.asc(), ModelRouteRule.priority.asc(), ModelRouteRule.id.asc())
|
|
).scalars().all()
|
|
return ModelRouteRuleListResponse(items=[_serialize_route_rule(item) for item in rules], total=len(rules))
|
|
|
|
|
|
def create_route_rule(db: Session, payload: ModelRouteRuleCreateRequest) -> ModelRouteRulePublic:
|
|
route_type = payload.route_type
|
|
route_key = _normalize_route_key(route_type, payload.route_key)
|
|
target_model_code = _normalize_code(payload.target_model_code)
|
|
|
|
_require_target_model_routable(db, target_model_code)
|
|
|
|
existing = db.scalar(
|
|
select(ModelRouteRule.id).where(
|
|
ModelRouteRule.route_type == route_type,
|
|
ModelRouteRule.route_key == route_key,
|
|
)
|
|
)
|
|
if existing is not None:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Route rule already exists")
|
|
|
|
rule = ModelRouteRule(
|
|
route_type=route_type,
|
|
route_key=route_key,
|
|
target_model_code=target_model_code,
|
|
priority=payload.priority,
|
|
enabled=payload.enabled,
|
|
note=_normalize_nullable_str(payload.note),
|
|
)
|
|
db.add(rule)
|
|
|
|
try:
|
|
db.commit()
|
|
except IntegrityError:
|
|
db.rollback()
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Route rule create failed")
|
|
|
|
_publish_route_changed("created", rule=rule)
|
|
return _serialize_route_rule(rule)
|
|
|
|
|
|
def update_route_rule(db: Session, route_rule_id: int, payload: ModelRouteRuleUpdateRequest) -> ModelRouteRulePublic:
|
|
rule = db.execute(select(ModelRouteRule).where(ModelRouteRule.id == route_rule_id)).scalar_one_or_none()
|
|
if not rule:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Route rule not found")
|
|
|
|
update_data = payload.model_dump(exclude_unset=True)
|
|
if not update_data:
|
|
return _serialize_route_rule(rule)
|
|
|
|
next_route_type = update_data.get("route_type", rule.route_type)
|
|
next_route_key_raw = update_data.get("route_key", rule.route_key)
|
|
next_route_key = _normalize_route_key(next_route_type, next_route_key_raw)
|
|
|
|
existing = db.scalar(
|
|
select(ModelRouteRule.id).where(
|
|
ModelRouteRule.route_type == next_route_type,
|
|
ModelRouteRule.route_key == next_route_key,
|
|
ModelRouteRule.id != rule.id,
|
|
)
|
|
)
|
|
if existing is not None:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Route rule already exists")
|
|
|
|
rule.route_type = next_route_type
|
|
rule.route_key = next_route_key
|
|
|
|
if "target_model_code" in update_data:
|
|
target_model_code = _normalize_code(str(update_data["target_model_code"]))
|
|
_require_target_model_routable(db, target_model_code)
|
|
rule.target_model_code = target_model_code
|
|
|
|
if "priority" in update_data:
|
|
rule.priority = int(update_data["priority"])
|
|
if "enabled" in update_data:
|
|
rule.enabled = bool(update_data["enabled"])
|
|
if "note" in update_data:
|
|
rule.note = _normalize_nullable_str(update_data["note"])
|
|
|
|
db.commit()
|
|
_publish_route_changed("updated", rule=rule)
|
|
return _serialize_route_rule(rule)
|
|
|
|
|
|
def delete_route_rule(db: Session, route_rule_id: int) -> dict[str, bool]:
|
|
rule = db.execute(select(ModelRouteRule).where(ModelRouteRule.id == route_rule_id)).scalar_one_or_none()
|
|
if not rule:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Route rule not found")
|
|
|
|
deleted_rule_id = rule.id
|
|
deleted_route_type = rule.route_type
|
|
deleted_route_key = rule.route_key
|
|
db.delete(rule)
|
|
db.commit()
|
|
|
|
_fire_and_forget(
|
|
publish_topic(
|
|
MODEL_TOPIC,
|
|
name="model_routes.changed",
|
|
payload={
|
|
"action": "deleted",
|
|
"route_rule_id": deleted_rule_id,
|
|
"route_type": deleted_route_type,
|
|
"route_key": deleted_route_key,
|
|
},
|
|
requires_refetch=[],
|
|
dedupe_key=f"model_routes:deleted:{deleted_rule_id}",
|
|
)
|
|
)
|
|
return {"success": True}
|
|
|
|
|
|
def _collect_model_metrics(db: Session, models: list[ModelRegistry]) -> dict[str, dict]:
|
|
if not models:
|
|
return {
|
|
"active_keys": {},
|
|
"latest_health": {},
|
|
"route_counts": {},
|
|
"usage_7d": {},
|
|
"tests_7d": {},
|
|
}
|
|
|
|
model_ids = [model.id for model in models]
|
|
model_codes = [model.code for model in models]
|
|
|
|
active_key_map: dict[int, ModelApiKey] = {}
|
|
for key in db.execute(
|
|
select(ModelApiKey).where(
|
|
ModelApiKey.model_id.in_(model_ids),
|
|
ModelApiKey.is_active.is_(True),
|
|
)
|
|
).scalars().all():
|
|
current = active_key_map.get(key.model_id)
|
|
if current is None or key.version > current.version:
|
|
active_key_map[key.model_id] = key
|
|
|
|
latest_health_map: dict[int, ModelHealthCheck] = {}
|
|
latest_health_subq = (
|
|
select(
|
|
ModelHealthCheck.model_id,
|
|
func.max(ModelHealthCheck.id).label("max_id"),
|
|
)
|
|
.where(ModelHealthCheck.model_id.in_(model_ids))
|
|
.group_by(ModelHealthCheck.model_id)
|
|
.subquery()
|
|
)
|
|
for check in db.execute(
|
|
select(ModelHealthCheck).join(
|
|
latest_health_subq,
|
|
ModelHealthCheck.id == latest_health_subq.c.max_id,
|
|
)
|
|
).scalars().all():
|
|
latest_health_map[check.model_id] = check
|
|
|
|
route_counts = {
|
|
str(row[0]): int(row[1])
|
|
for row in db.execute(
|
|
select(ModelRouteRule.target_model_code, func.count())
|
|
.where(ModelRouteRule.target_model_code.in_(model_codes))
|
|
.group_by(ModelRouteRule.target_model_code)
|
|
).all()
|
|
}
|
|
|
|
usage_7d_map = _aggregate_usage_7d(db, model_codes=model_codes, by_model=True)
|
|
tests_7d_map = _aggregate_tests_7d(db, model_ids=model_ids, by_model=True)
|
|
|
|
return {
|
|
"active_keys": active_key_map,
|
|
"latest_health": latest_health_map,
|
|
"route_counts": route_counts,
|
|
"usage_7d": usage_7d_map,
|
|
"tests_7d": tests_7d_map,
|
|
}
|
|
|
|
|
|
def _serialize_model(model: ModelRegistry, metrics: dict[str, dict]) -> ModelRegistryPublic:
|
|
active_key = metrics["active_keys"].get(model.id)
|
|
latest_health = metrics["latest_health"].get(model.id)
|
|
usage_7d = metrics["usage_7d"].get(model.code, ModelUsageSummary())
|
|
tests_7d = metrics["tests_7d"].get(model.id, ModelTestSummary())
|
|
|
|
return ModelRegistryPublic(
|
|
id=model.id,
|
|
code=model.code,
|
|
name=model.name,
|
|
provider=model.provider,
|
|
provider_model=model.provider_model,
|
|
status=model.status,
|
|
capabilities=list(model.capabilities or []),
|
|
description=model.description,
|
|
base_url=model.base_url,
|
|
active_key_masked=active_key.secret_masked if active_key else None,
|
|
active_key_version=active_key.version if active_key else None,
|
|
active_key_fingerprint=active_key.secret_fingerprint if active_key else None,
|
|
active_key_rotated_at=active_key.created_at if active_key else None,
|
|
latest_health_status=latest_health.status if latest_health else None,
|
|
latest_health_reason=latest_health.reason if latest_health else None,
|
|
latest_health_at=latest_health.created_at if latest_health else None,
|
|
route_bindings_count=int(metrics["route_counts"].get(model.code, 0)),
|
|
usage_7d=usage_7d,
|
|
tests_7d=tests_7d,
|
|
created_at=model.created_at,
|
|
updated_at=model.updated_at,
|
|
)
|
|
|
|
|
|
def _aggregate_usage_7d(
|
|
db: Session,
|
|
*,
|
|
model_codes: list[str] | None,
|
|
by_model: bool = False,
|
|
) -> ModelUsageSummary | dict[str, ModelUsageSummary]:
|
|
since = utcnow() - timedelta(days=7)
|
|
if by_model:
|
|
if not model_codes:
|
|
return {}
|
|
|
|
rows = db.execute(
|
|
select(
|
|
ModelUsageLog.model_code,
|
|
func.coalesce(func.sum(ModelUsageLog.request_count), 0),
|
|
func.coalesce(func.sum(ModelUsageLog.success_count), 0),
|
|
func.coalesce(func.sum(ModelUsageLog.total_tokens), 0),
|
|
func.coalesce(func.sum(ModelUsageLog.total_cost_usd), Decimal("0")),
|
|
)
|
|
.where(
|
|
ModelUsageLog.model_code.in_(model_codes),
|
|
ModelUsageLog.recorded_at >= since,
|
|
)
|
|
.group_by(ModelUsageLog.model_code)
|
|
).all()
|
|
|
|
result: dict[str, ModelUsageSummary] = {}
|
|
for row in rows:
|
|
model_code = str(row[0])
|
|
request_count = int(row[1] or 0)
|
|
success_count = int(row[2] or 0)
|
|
total_tokens = int(row[3] or 0)
|
|
total_cost = float(row[4] or 0)
|
|
success_rate = round(success_count / request_count, 4) if request_count > 0 else None
|
|
result[model_code] = ModelUsageSummary(
|
|
request_count=request_count,
|
|
success_count=success_count,
|
|
total_tokens=total_tokens,
|
|
total_cost_usd=total_cost,
|
|
success_rate=success_rate,
|
|
)
|
|
return result
|
|
|
|
row = db.execute(
|
|
select(
|
|
func.coalesce(func.sum(ModelUsageLog.request_count), 0),
|
|
func.coalesce(func.sum(ModelUsageLog.success_count), 0),
|
|
func.coalesce(func.sum(ModelUsageLog.total_tokens), 0),
|
|
func.coalesce(func.sum(ModelUsageLog.total_cost_usd), Decimal("0")),
|
|
).where(ModelUsageLog.recorded_at >= since)
|
|
).one()
|
|
|
|
request_count = int(row[0] or 0)
|
|
success_count = int(row[1] or 0)
|
|
total_tokens = int(row[2] or 0)
|
|
total_cost = float(row[3] or 0)
|
|
return ModelUsageSummary(
|
|
request_count=request_count,
|
|
success_count=success_count,
|
|
total_tokens=total_tokens,
|
|
total_cost_usd=total_cost,
|
|
success_rate=round(success_count / request_count, 4) if request_count > 0 else None,
|
|
)
|
|
|
|
|
|
def _aggregate_tests_7d(
|
|
db: Session,
|
|
*,
|
|
model_ids: list[int] | None,
|
|
by_model: bool = False,
|
|
) -> ModelTestSummary | dict[int, ModelTestSummary]:
|
|
since = utcnow() - timedelta(days=7)
|
|
|
|
passed_case = case((ModelTestRun.status == "PASSED", 1), else_=0)
|
|
failed_case = case((ModelTestRun.status == "FAILED", 1), else_=0)
|
|
|
|
if by_model:
|
|
if not model_ids:
|
|
return {}
|
|
|
|
rows = db.execute(
|
|
select(
|
|
ModelTestRun.model_id,
|
|
func.count(ModelTestRun.id),
|
|
func.coalesce(func.sum(passed_case), 0),
|
|
func.coalesce(func.sum(failed_case), 0),
|
|
)
|
|
.where(
|
|
ModelTestRun.model_id.in_(model_ids),
|
|
ModelTestRun.created_at >= since,
|
|
)
|
|
.group_by(ModelTestRun.model_id)
|
|
).all()
|
|
|
|
result: dict[int, ModelTestSummary] = {}
|
|
for row in rows:
|
|
model_id = int(row[0])
|
|
total_runs = int(row[1] or 0)
|
|
passed_runs = int(row[2] or 0)
|
|
failed_runs = int(row[3] or 0)
|
|
result[model_id] = ModelTestSummary(
|
|
total_runs=total_runs,
|
|
passed_runs=passed_runs,
|
|
failed_runs=failed_runs,
|
|
pass_rate=round(passed_runs / total_runs, 4) if total_runs > 0 else None,
|
|
)
|
|
return result
|
|
|
|
row = db.execute(
|
|
select(
|
|
func.count(ModelTestRun.id),
|
|
func.coalesce(func.sum(passed_case), 0),
|
|
func.coalesce(func.sum(failed_case), 0),
|
|
).where(ModelTestRun.created_at >= since)
|
|
).one()
|
|
|
|
total_runs = int(row[0] or 0)
|
|
passed_runs = int(row[1] or 0)
|
|
failed_runs = int(row[2] or 0)
|
|
return ModelTestSummary(
|
|
total_runs=total_runs,
|
|
passed_runs=passed_runs,
|
|
failed_runs=failed_runs,
|
|
pass_rate=round(passed_runs / total_runs, 4) if total_runs > 0 else None,
|
|
)
|
|
|
|
|
|
def _count_enabled_without_healthy(db: Session, enabled_model_ids: list[int]) -> int:
|
|
if not enabled_model_ids:
|
|
return 0
|
|
|
|
latest_subq = (
|
|
select(
|
|
ModelHealthCheck.model_id,
|
|
func.max(ModelHealthCheck.id).label("max_id"),
|
|
)
|
|
.where(ModelHealthCheck.model_id.in_(enabled_model_ids))
|
|
.group_by(ModelHealthCheck.model_id)
|
|
.subquery()
|
|
)
|
|
|
|
latest_checks = db.execute(
|
|
select(ModelHealthCheck).join(latest_subq, ModelHealthCheck.id == latest_subq.c.max_id)
|
|
).scalars().all()
|
|
latest_map = {item.model_id: item for item in latest_checks}
|
|
|
|
total = 0
|
|
for model_id in enabled_model_ids:
|
|
latest = latest_map.get(model_id)
|
|
if not latest or latest.status != "HEALTHY":
|
|
total += 1
|
|
return total
|
|
|
|
|
|
def _serialize_key(item: ModelApiKey) -> ModelApiKeyPublic:
|
|
return ModelApiKeyPublic(
|
|
id=item.id,
|
|
model_id=item.model_id,
|
|
version=item.version,
|
|
secret_masked=item.secret_masked,
|
|
secret_fingerprint=item.secret_fingerprint,
|
|
is_active=item.is_active,
|
|
rotation_note=item.rotation_note,
|
|
created_by_user_id=item.created_by_user_id,
|
|
created_at=item.created_at,
|
|
)
|
|
|
|
|
|
def _serialize_health_check(item: ModelHealthCheck) -> ModelHealthCheckPublic:
|
|
return ModelHealthCheckPublic(
|
|
id=item.id,
|
|
model_id=item.model_id,
|
|
status=item.status,
|
|
reason=item.reason,
|
|
latency_ms=item.latency_ms,
|
|
detail_json=item.detail_json,
|
|
created_at=item.created_at,
|
|
)
|
|
|
|
|
|
def _serialize_test_run(item: ModelTestRun, *, model_code: str) -> ModelTestRunPublic:
|
|
return ModelTestRunPublic(
|
|
id=item.id,
|
|
model_id=item.model_id,
|
|
model_code=model_code,
|
|
kind=item.kind,
|
|
status=item.status,
|
|
input_tokens=item.input_tokens,
|
|
output_tokens=item.output_tokens,
|
|
latency_ms=item.latency_ms,
|
|
error_message=item.error_message,
|
|
created_by_user_id=item.created_by_user_id,
|
|
created_at=item.created_at,
|
|
)
|
|
|
|
|
|
def _serialize_route_rule(item: ModelRouteRule) -> ModelRouteRulePublic:
|
|
return ModelRouteRulePublic(
|
|
id=item.id,
|
|
route_type=item.route_type,
|
|
route_key=item.route_key,
|
|
target_model_code=item.target_model_code,
|
|
priority=item.priority,
|
|
enabled=item.enabled,
|
|
note=item.note,
|
|
created_at=item.created_at,
|
|
updated_at=item.updated_at,
|
|
)
|
|
|
|
|
|
def _get_model_by_id(db: Session, model_id: int) -> ModelRegistry | None:
|
|
return db.execute(select(ModelRegistry).where(ModelRegistry.id == model_id)).scalar_one_or_none()
|
|
|
|
|
|
def _require_model_exists(db: Session, model_id: int) -> ModelRegistry:
|
|
model = _get_model_by_id(db, model_id)
|
|
if not model:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Model not found")
|
|
return model
|
|
|
|
|
|
def _require_target_model_routable(db: Session, model_code: str) -> ModelRegistry:
|
|
model = db.execute(select(ModelRegistry).where(ModelRegistry.code == model_code)).scalar_one_or_none()
|
|
if not model:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"Target model code not found: {model_code}")
|
|
if model.status == "DEPRECATED":
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Deprecated model cannot be used in route rule")
|
|
return model
|
|
|
|
|
|
def _normalize_code(value: str) -> str:
|
|
return value.strip().lower()
|
|
|
|
|
|
def _normalize_capabilities(values: list[str]) -> list[str]:
|
|
normalized: list[str] = []
|
|
seen: set[str] = set()
|
|
for value in values:
|
|
candidate = value.strip().lower()
|
|
if not candidate or candidate in seen:
|
|
continue
|
|
seen.add(candidate)
|
|
normalized.append(candidate)
|
|
normalized.sort()
|
|
return normalized
|
|
|
|
|
|
def _normalize_nullable_str(value: str | None) -> str | None:
|
|
if value is None:
|
|
return None
|
|
normalized = value.strip()
|
|
return normalized or None
|
|
|
|
|
|
def _normalize_route_key(route_type: str, route_key: str | None) -> str:
|
|
if route_type == "GLOBAL":
|
|
return GLOBAL_ROUTE_KEY
|
|
|
|
normalized = (route_key or "").strip()
|
|
if not normalized:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"route_key is required for route_type={route_type}")
|
|
if normalized == GLOBAL_ROUTE_KEY:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"route_key {GLOBAL_ROUTE_KEY} is reserved")
|
|
return normalized
|
|
|
|
|
|
def _hash_secret(raw_key: str) -> str:
|
|
return hashlib.sha256(raw_key.encode("utf-8")).hexdigest()
|
|
|
|
|
|
def _mask_secret(raw_key: str) -> str:
|
|
value = raw_key.strip()
|
|
if len(value) <= 2:
|
|
return "**"
|
|
if len(value) <= 8:
|
|
return f"{value[0]}***{value[-1]}"
|
|
return f"{value[:4]}***{value[-4:]}"
|
|
|
|
|
|
def _fingerprint_secret(raw_key: str) -> str:
|
|
return _hash_secret(raw_key)[:12]
|
|
|
|
|
|
def _rotate_model_key_internal(
|
|
db: Session,
|
|
*,
|
|
model: ModelRegistry,
|
|
raw_key: str,
|
|
actor_user_id: str,
|
|
note: str | None,
|
|
) -> ModelApiKey:
|
|
value = raw_key.strip()
|
|
if not value:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="api_key cannot be empty")
|
|
|
|
active_keys = db.execute(
|
|
select(ModelApiKey).where(
|
|
ModelApiKey.model_id == model.id,
|
|
ModelApiKey.is_active.is_(True),
|
|
)
|
|
).scalars().all()
|
|
for key in active_keys:
|
|
key.is_active = False
|
|
|
|
current_max_version = db.scalar(
|
|
select(func.max(ModelApiKey.version)).where(ModelApiKey.model_id == model.id)
|
|
)
|
|
next_version = int(current_max_version or 0) + 1
|
|
|
|
next_key = ModelApiKey(
|
|
model_id=model.id,
|
|
version=next_version,
|
|
secret_hash=_hash_secret(value),
|
|
secret_masked=_mask_secret(value),
|
|
secret_fingerprint=_fingerprint_secret(value),
|
|
is_active=True,
|
|
rotation_note=note,
|
|
created_by_user_id=actor_user_id,
|
|
)
|
|
db.add(next_key)
|
|
db.flush()
|
|
return next_key
|
|
|
|
|
|
def _get_active_key(db: Session, model_id: int) -> ModelApiKey | None:
|
|
return db.execute(
|
|
select(ModelApiKey)
|
|
.where(
|
|
ModelApiKey.model_id == model_id,
|
|
ModelApiKey.is_active.is_(True),
|
|
)
|
|
.order_by(ModelApiKey.version.desc(), ModelApiKey.id.desc())
|
|
).scalars().first()
|
|
|
|
|
|
def _evaluate_health(*, model: ModelRegistry, has_active_key: bool, route_count: int) -> tuple[str, str, dict[str, object]]:
|
|
if model.status != "ENABLED":
|
|
return (
|
|
"UNHEALTHY",
|
|
f"Model status is {model.status}; expected ENABLED",
|
|
{
|
|
"model_status": model.status,
|
|
"has_active_key": has_active_key,
|
|
"route_count": route_count,
|
|
},
|
|
)
|
|
if not has_active_key:
|
|
return (
|
|
"UNHEALTHY",
|
|
"No active API key",
|
|
{
|
|
"model_status": model.status,
|
|
"has_active_key": has_active_key,
|
|
"route_count": route_count,
|
|
},
|
|
)
|
|
if route_count == 0:
|
|
return (
|
|
"DEGRADED",
|
|
"No enabled route rule bound to this model",
|
|
{
|
|
"model_status": model.status,
|
|
"has_active_key": has_active_key,
|
|
"route_count": route_count,
|
|
},
|
|
)
|
|
return (
|
|
"HEALTHY",
|
|
"Model is enabled with active key and route bindings",
|
|
{
|
|
"model_status": model.status,
|
|
"has_active_key": has_active_key,
|
|
"route_count": route_count,
|
|
},
|
|
)
|
|
|
|
|
|
def _estimate_text_tokens(text: str) -> int:
|
|
value = text.strip()
|
|
if not value:
|
|
return 0
|
|
# 粗估：1 token ≈ 4 chars，至少返回 1
|
|
return max(1, (len(value) + 3) // 4)
|
|
|
|
|
|
def _to_decimal(value: float) -> Decimal:
|
|
try:
|
|
return Decimal(str(value)).quantize(Decimal("0.000001"))
|
|
except (InvalidOperation, ValueError):
|
|
return Decimal("0")
|
|
|
|
|
|
def _publish_model_changed(action: str, *, model: ModelRegistry, extra_payload: dict | None = None) -> None:
|
|
payload = {
|
|
"action": action,
|
|
"model_id": model.id,
|
|
"model_code": model.code,
|
|
"model_status": model.status,
|
|
}
|
|
if extra_payload:
|
|
payload.update(extra_payload)
|
|
_fire_and_forget(
|
|
publish_topic(
|
|
MODEL_TOPIC,
|
|
name="models.changed",
|
|
payload=payload,
|
|
requires_refetch=[],
|
|
dedupe_key=f"models:{action}:{model.id}",
|
|
)
|
|
)
|
|
|
|
|
|
def _publish_route_changed(action: str, *, rule: ModelRouteRule) -> None:
|
|
_fire_and_forget(
|
|
publish_topic(
|
|
MODEL_TOPIC,
|
|
name="model_routes.changed",
|
|
payload={
|
|
"action": action,
|
|
"route_rule_id": rule.id,
|
|
"route_type": rule.route_type,
|
|
"route_key": rule.route_key,
|
|
"target_model_code": rule.target_model_code,
|
|
},
|
|
requires_refetch=[],
|
|
dedupe_key=f"model_routes:{action}:{rule.id}",
|
|
)
|
|
)
|
|
|
|
|
|
def _fire_and_forget(coro: object) -> None:
|
|
try:
|
|
loop = asyncio.get_running_loop()
|
|
except RuntimeError:
|
|
return
|
|
loop.create_task(coro)
|