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Aether/src/api/admin/monitoring/cache.py

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2025-12-10 20:52:44 +08:00
"""
缓存监控端点
提供缓存亲和性统计管理和监控功能
"""
from dataclasses import dataclass
from typing import Any, Dict, List, Optional, Tuple
from fastapi import APIRouter, Depends, HTTPException, Query, Request
from fastapi.responses import PlainTextResponse
from sqlalchemy.orm import Session
from src.api.base.admin_adapter import AdminApiAdapter
from src.api.base.pagination import PaginationMeta, build_pagination_payload, paginate_sequence
from src.api.base.pipeline import ApiRequestPipeline
from src.clients.redis_client import get_redis_client_sync
from src.core.crypto import crypto_service
from src.core.logger import logger
from src.database import get_db
from src.models.database import ApiKey, User
from src.services.cache.affinity_manager import get_affinity_manager
from src.services.cache.aware_scheduler import get_cache_aware_scheduler
router = APIRouter(prefix="/api/admin/monitoring/cache", tags=["Admin - Monitoring: Cache"])
pipeline = ApiRequestPipeline()
def mask_api_key(api_key: Optional[str], prefix_len: int = 8, suffix_len: int = 4) -> Optional[str]:
"""
脱敏 API Key显示前缀 + 星号 + 后缀
例如: sk-jhiId-xxxxxxxxxxxAABB -> sk-jhiId-********AABB
Args:
api_key: 原始 API Key
prefix_len: 显示的前缀长度默认 8
suffix_len: 显示的后缀长度默认 4
"""
if not api_key:
return None
total_visible = prefix_len + suffix_len
if len(api_key) <= total_visible:
# Key 太短,直接返回部分内容 + 星号
return api_key[:prefix_len] + "********"
return f"{api_key[:prefix_len]}********{api_key[-suffix_len:]}"
def decrypt_and_mask(encrypted_key: Optional[str], prefix_len: int = 8) -> Optional[str]:
"""
解密 API Key 后脱敏显示
Args:
encrypted_key: 加密后的 API Key
prefix_len: 显示的前缀长度
"""
if not encrypted_key:
return None
try:
decrypted = crypto_service.decrypt(encrypted_key)
return mask_api_key(decrypted, prefix_len)
except Exception:
# 解密失败时返回 None
return None
def resolve_user_identifier(db: Session, identifier: str) -> Optional[str]:
"""
将用户标识符username/email/user_id/api_key_id解析为 user_id
支持的输入格式
1. User UUID (36带横杠)
2. Username (用户名)
3. Email (邮箱)
4. API Key ID (36位UUID)
返回
- user_id (UUID字符串) None
"""
identifier = identifier.strip()
# 1. 先尝试作为 User UUID 查询
user = db.query(User).filter(User.id == identifier).first()
if user:
logger.debug(f"通过User ID解析: {identifier[:8]}... -> {user.username}")
return user.id
# 2. 尝试作为 Username 查询
user = db.query(User).filter(User.username == identifier).first()
if user:
logger.debug(f"通过Username解析: {identifier} -> {user.id[:8]}...")
return user.id
# 3. 尝试作为 Email 查询
user = db.query(User).filter(User.email == identifier).first()
if user:
logger.debug(f"通过Email解析: {identifier} -> {user.id[:8]}...")
return user.id
# 4. 尝试作为 API Key ID 查询
api_key = db.query(ApiKey).filter(ApiKey.id == identifier).first()
if api_key:
logger.debug(f"通过API Key ID解析: {identifier[:8]}... -> User ID: {api_key.user_id[:8]}...")
return api_key.user_id
# 无法识别
logger.debug(f"无法识别的用户标识符: {identifier}")
return None
@router.get("/stats")
async def get_cache_stats(
request: Request,
db: Session = Depends(get_db),
):
"""
获取缓存亲和性统计信息
返回:
- 缓存命中率
- 缓存用户数
- Provider切换次数
- Key切换次数
- 缓存预留配置
"""
adapter = AdminCacheStatsAdapter()
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.get("/affinity/{user_identifier}")
async def get_user_affinity(
user_identifier: str,
request: Request,
db: Session = Depends(get_db),
):
"""
查询指定用户的所有缓存亲和性
参数:
- user_identifier: 用户标识符支持以下格式
* 用户名 (username): yuanhonghu
* 邮箱 (email): user@example.com
* 用户UUID (user_id): 550e8400-e29b-41d4-a716-446655440000
* API Key ID: 660e8400-e29b-41d4-a716-446655440000
返回:
- 用户信息
- 所有端点的缓存亲和性列表每个端点一条记录
"""
adapter = AdminGetUserAffinityAdapter(user_identifier=user_identifier)
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.get("/affinities")
async def list_affinities(
request: Request,
keyword: Optional[str] = None,
limit: int = Query(100, ge=1, le=1000, description="返回数量限制"),
offset: int = Query(0, ge=0, description="偏移量"),
db: Session = Depends(get_db),
):
"""
获取所有缓存亲和性列表可选按关键词过滤
参数:
- keyword: 可选支持用户名/邮箱/User ID/API Key ID 或模糊匹配
"""
adapter = AdminListAffinitiesAdapter(keyword=keyword, limit=limit, offset=offset)
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.delete("/users/{user_identifier}")
async def clear_user_cache(
user_identifier: str,
request: Request,
db: Session = Depends(get_db),
):
"""
Clear cache affinity for a specific user
Parameters:
- user_identifier: User identifier (username, email, user_id, or API Key ID)
"""
adapter = AdminClearUserCacheAdapter(user_identifier=user_identifier)
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.delete("")
async def clear_all_cache(
request: Request,
db: Session = Depends(get_db),
):
"""
Clear all cache affinities
Warning: This affects all users, use with caution
"""
adapter = AdminClearAllCacheAdapter()
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.delete("/providers/{provider_id}")
async def clear_provider_cache(
provider_id: str,
request: Request,
db: Session = Depends(get_db),
):
"""
Clear cache affinities for a specific provider
Parameters:
- provider_id: Provider ID
"""
adapter = AdminClearProviderCacheAdapter(provider_id=provider_id)
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.get("/config")
async def get_cache_config(
request: Request,
db: Session = Depends(get_db),
):
"""
获取缓存相关配置
返回:
- 缓存TTL
- 缓存预留比例
"""
adapter = AdminCacheConfigAdapter()
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
@router.get("/metrics", response_class=PlainTextResponse)
async def get_cache_metrics(
request: Request,
db: Session = Depends(get_db),
):
"""
Prometheus 文本格式暴露缓存调度指标方便接入 Grafana
"""
adapter = AdminCacheMetricsAdapter()
return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
# -------- 缓存监控适配器 --------
class AdminCacheStatsAdapter(AdminApiAdapter):
async def handle(self, context): # type: ignore[override]
try:
redis_client = get_redis_client_sync()
scheduler = await get_cache_aware_scheduler(redis_client)
stats = await scheduler.get_stats()
logger.info("缓存统计信息查询成功")
context.add_audit_metadata(
action="cache_stats",
scheduler=stats.get("scheduler"),
total_affinities=stats.get("total_affinities"),
cache_hit_rate=stats.get("cache_hit_rate"),
provider_switches=stats.get("provider_switches"),
)
return {"status": "ok", "data": stats}
except Exception as exc:
logger.exception(f"获取缓存统计信息失败: {exc}")
raise HTTPException(status_code=500, detail=f"获取缓存统计失败: {exc}")
class AdminCacheMetricsAdapter(AdminApiAdapter):
async def handle(self, context): # type: ignore[override]
try:
redis_client = get_redis_client_sync()
scheduler = await get_cache_aware_scheduler(redis_client)
stats = await scheduler.get_stats()
payload = self._format_prometheus(stats)
context.add_audit_metadata(
action="cache_metrics_export",
scheduler=stats.get("scheduler"),
metrics_lines=payload.count("\n"),
)
return PlainTextResponse(payload)
except Exception as exc:
logger.exception(f"导出缓存指标失败: {exc}")
raise HTTPException(status_code=500, detail=f"导出缓存指标失败: {exc}")
def _format_prometheus(self, stats: Dict[str, Any]) -> str:
"""
scheduler/affinity 指标转换为 Prometheus 文本格式
"""
scheduler_metrics = stats.get("scheduler_metrics", {})
affinity_stats = stats.get("affinity_stats", {})
metric_map: List[Tuple[str, str, float]] = [
(
"cache_scheduler_total_batches",
"Total batches pulled from provider list",
float(scheduler_metrics.get("total_batches", 0)),
),
(
"cache_scheduler_last_batch_size",
"Size of the latest candidate batch",
float(scheduler_metrics.get("last_batch_size", 0)),
),
(
"cache_scheduler_total_candidates",
"Total candidates enumerated by scheduler",
float(scheduler_metrics.get("total_candidates", 0)),
),
(
"cache_scheduler_last_candidate_count",
"Number of candidates in the most recent batch",
float(scheduler_metrics.get("last_candidate_count", 0)),
),
(
"cache_scheduler_cache_hits",
"Cache hits counted during scheduling",
float(scheduler_metrics.get("cache_hits", 0)),
),
(
"cache_scheduler_cache_misses",
"Cache misses counted during scheduling",
float(scheduler_metrics.get("cache_misses", 0)),
),
(
"cache_scheduler_cache_hit_rate",
"Cache hit rate during scheduling",
float(scheduler_metrics.get("cache_hit_rate", 0.0)),
),
(
"cache_scheduler_concurrency_denied",
"Times candidate rejected due to concurrency limits",
float(scheduler_metrics.get("concurrency_denied", 0)),
),
(
"cache_scheduler_avg_candidates_per_batch",
"Average candidates per batch",
float(scheduler_metrics.get("avg_candidates_per_batch", 0.0)),
),
]
affinity_map: List[Tuple[str, str, float]] = [
(
"cache_affinity_total",
"Total cache affinities stored",
float(affinity_stats.get("total_affinities", 0)),
),
(
"cache_affinity_hits",
"Affinity cache hits",
float(affinity_stats.get("cache_hits", 0)),
),
(
"cache_affinity_misses",
"Affinity cache misses",
float(affinity_stats.get("cache_misses", 0)),
),
(
"cache_affinity_hit_rate",
"Affinity cache hit rate",
float(affinity_stats.get("cache_hit_rate", 0.0)),
),
(
"cache_affinity_invalidations",
"Affinity invalidations",
float(affinity_stats.get("cache_invalidations", 0)),
),
(
"cache_affinity_provider_switches",
"Affinity provider switches",
float(affinity_stats.get("provider_switches", 0)),
),
(
"cache_affinity_key_switches",
"Affinity key switches",
float(affinity_stats.get("key_switches", 0)),
),
]
lines = []
for name, help_text, value in metric_map + affinity_map:
lines.append(f"# HELP {name} {help_text}")
lines.append(f"# TYPE {name} gauge")
lines.append(f"{name} {value}")
scheduler_name = stats.get("scheduler", "cache_aware")
lines.append(f'cache_scheduler_info{{scheduler="{scheduler_name}"}} 1')
return "\n".join(lines) + "\n"
@dataclass
class AdminGetUserAffinityAdapter(AdminApiAdapter):
user_identifier: str
async def handle(self, context): # type: ignore[override]
db = context.db
try:
user_id = resolve_user_identifier(db, self.user_identifier)
if not user_id:
raise HTTPException(
status_code=404,
detail=f"无法识别的用户标识符: {self.user_identifier}。支持用户名、邮箱、User ID或API Key ID",
)
user = db.query(User).filter(User.id == user_id).first()
redis_client = get_redis_client_sync()
affinity_mgr = await get_affinity_manager(redis_client)
# 获取该用户的所有缓存亲和性
all_affinities = await affinity_mgr.list_affinities()
user_affinities = [aff for aff in all_affinities if aff.get("user_id") == user_id]
if not user_affinities:
response = {
"status": "not_found",
"message": f"用户 {user.username} ({user.email}) 没有缓存亲和性",
"user_info": {
"user_id": user_id,
"username": user.username,
"email": user.email,
},
"affinities": [],
}
context.add_audit_metadata(
action="cache_user_affinity",
user_identifier=self.user_identifier,
resolved_user_id=user_id,
affinity_count=0,
status="not_found",
)
return response
response = {
"status": "ok",
"user_info": {
"user_id": user_id,
"username": user.username,
"email": user.email,
},
"affinities": [
{
"provider_id": aff["provider_id"],
"endpoint_id": aff["endpoint_id"],
"key_id": aff["key_id"],
"api_format": aff.get("api_format"),
"model_name": aff.get("model_name"),
"created_at": aff["created_at"],
"expire_at": aff["expire_at"],
"request_count": aff["request_count"],
}
for aff in user_affinities
],
"total_endpoints": len(user_affinities),
}
context.add_audit_metadata(
action="cache_user_affinity",
user_identifier=self.user_identifier,
resolved_user_id=user_id,
affinity_count=len(user_affinities),
status="ok",
)
return response
except HTTPException:
raise
except Exception as exc:
logger.exception(f"查询用户缓存亲和性失败: {exc}")
raise HTTPException(status_code=500, detail=f"查询失败: {exc}")
@dataclass
class AdminListAffinitiesAdapter(AdminApiAdapter):
keyword: Optional[str]
limit: int
offset: int
async def handle(self, context): # type: ignore[override]
db = context.db
redis_client = get_redis_client_sync()
if not redis_client:
raise HTTPException(status_code=503, detail="Redis未初始化无法获取缓存亲和性")
affinity_mgr = await get_affinity_manager(redis_client)
matched_user_id = None
matched_api_key_id = None
raw_affinities: List[Dict[str, Any]] = []
if self.keyword:
# 首先检查是否是 API Key IDaffinity_key
api_key = db.query(ApiKey).filter(ApiKey.id == self.keyword).first()
if api_key:
# 直接通过 affinity_key 过滤
matched_api_key_id = str(api_key.id)
matched_user_id = str(api_key.user_id)
all_affinities = await affinity_mgr.list_affinities()
raw_affinities = [
aff for aff in all_affinities if aff.get("affinity_key") == matched_api_key_id
]
else:
# 尝试解析为用户标识
user_id = resolve_user_identifier(db, self.keyword)
if user_id:
matched_user_id = user_id
# 获取该用户所有的 API Key ID
user_api_keys = db.query(ApiKey).filter(ApiKey.user_id == user_id).all()
user_api_key_ids = {str(k.id) for k in user_api_keys}
# 过滤出该用户所有 API Key 的亲和性
all_affinities = await affinity_mgr.list_affinities()
raw_affinities = [
aff for aff in all_affinities if aff.get("affinity_key") in user_api_key_ids
]
else:
# 关键词不是有效标识,返回所有亲和性(后续会进行模糊匹配)
raw_affinities = await affinity_mgr.list_affinities()
else:
raw_affinities = await affinity_mgr.list_affinities()
# 收集所有 affinity_key (API Key ID)
affinity_keys = {
item.get("affinity_key") for item in raw_affinities if item.get("affinity_key")
}
# 批量查询用户 API Key 信息
user_api_key_map: Dict[str, ApiKey] = {}
if affinity_keys:
user_api_keys = db.query(ApiKey).filter(ApiKey.id.in_(list(affinity_keys))).all()
user_api_key_map = {str(k.id): k for k in user_api_keys}
# 收集所有 user_id
user_ids = {str(k.user_id) for k in user_api_key_map.values()}
user_map: Dict[str, User] = {}
if user_ids:
users = db.query(User).filter(User.id.in_(list(user_ids))).all()
user_map = {str(user.id): user for user in users}
# 收集所有provider_id、endpoint_id、key_id
provider_ids = {
item.get("provider_id") for item in raw_affinities if item.get("provider_id")
}
endpoint_ids = {
item.get("endpoint_id") for item in raw_affinities if item.get("endpoint_id")
}
key_ids = {item.get("key_id") for item in raw_affinities if item.get("key_id")}
# 批量查询Provider、Endpoint、Key信息
from src.models.database import Provider, ProviderAPIKey, ProviderEndpoint
provider_map = {}
if provider_ids:
providers = db.query(Provider).filter(Provider.id.in_(list(provider_ids))).all()
provider_map = {p.id: p for p in providers}
endpoint_map = {}
if endpoint_ids:
endpoints = (
db.query(ProviderEndpoint).filter(ProviderEndpoint.id.in_(list(endpoint_ids))).all()
)
endpoint_map = {e.id: e for e in endpoints}
key_map = {}
if key_ids:
keys = db.query(ProviderAPIKey).filter(ProviderAPIKey.id.in_(list(key_ids))).all()
key_map = {k.id: k for k in keys}
# 收集所有 model_name实际存储的是 global_model_id并批量查询 GlobalModel
from src.models.database import GlobalModel
global_model_ids = {
item.get("model_name") for item in raw_affinities if item.get("model_name")
}
global_model_map: Dict[str, GlobalModel] = {}
if global_model_ids:
# model_name 可能是 UUID 格式的 global_model_id也可能是原始模型名称
global_models = db.query(GlobalModel).filter(
GlobalModel.id.in_(list(global_model_ids))
).all()
global_model_map = {str(gm.id): gm for gm in global_models}
keyword_lower = self.keyword.lower() if self.keyword else None
items = []
for affinity in raw_affinities:
affinity_key = affinity.get("affinity_key")
if not affinity_key:
continue
# 通过 affinity_keyAPI Key ID找到用户 API Key 和用户
user_api_key = user_api_key_map.get(affinity_key)
user = user_map.get(str(user_api_key.user_id)) if user_api_key else None
user_id = str(user_api_key.user_id) if user_api_key else None
provider_id = affinity.get("provider_id")
endpoint_id = affinity.get("endpoint_id")
key_id = affinity.get("key_id")
provider = provider_map.get(provider_id)
endpoint = endpoint_map.get(endpoint_id)
key = key_map.get(key_id)
# 用户 API Key 脱敏显示(解密 key_encrypted 后脱敏)
user_api_key_masked = None
if user_api_key and user_api_key.key_encrypted:
user_api_key_masked = decrypt_and_mask(user_api_key.key_encrypted)
# Provider Key 脱敏显示(解密 api_key 后脱敏)
provider_key_masked = None
if key and key.api_key:
provider_key_masked = decrypt_and_mask(key.api_key)
item = {
"affinity_key": affinity_key,
"user_api_key_name": user_api_key.name if user_api_key else None,
"user_api_key_prefix": user_api_key_masked,
"is_standalone": user_api_key.is_standalone if user_api_key else False,
"user_id": user_id,
"username": user.username if user else None,
"email": user.email if user else None,
"provider_id": provider_id,
"provider_name": provider.display_name if provider else None,
"endpoint_id": endpoint_id,
"endpoint_api_format": (
endpoint.api_format if endpoint and endpoint.api_format else None
),
"endpoint_url": endpoint.base_url if endpoint else None,
"key_id": key_id,
"key_name": key.name if key else None,
"key_prefix": provider_key_masked,
"rate_multiplier": key.rate_multiplier if key else 1.0,
"model_name": (
global_model_map.get(affinity.get("model_name")).name
if affinity.get("model_name") and global_model_map.get(affinity.get("model_name"))
else affinity.get("model_name") # 如果找不到 GlobalModel显示原始值
),
"model_display_name": (
global_model_map.get(affinity.get("model_name")).display_name
if affinity.get("model_name") and global_model_map.get(affinity.get("model_name"))
else None
),
"api_format": affinity.get("api_format"),
"created_at": affinity.get("created_at"),
"expire_at": affinity.get("expire_at"),
"request_count": affinity.get("request_count", 0),
}
if keyword_lower and not matched_user_id and not matched_api_key_id:
searchable = [
item["affinity_key"],
item["user_api_key_name"] or "",
item["user_id"] or "",
item["username"] or "",
item["email"] or "",
item["provider_id"] or "",
item["key_id"] or "",
]
if not any(keyword_lower in str(value).lower() for value in searchable if value):
continue
items.append(item)
items.sort(key=lambda x: x.get("expire_at") or 0, reverse=True)
paged_items, meta = paginate_sequence(items, self.limit, self.offset)
payload = build_pagination_payload(
paged_items,
meta,
matched_user_id=matched_user_id,
)
response = {
"status": "ok",
"data": payload,
}
result_count = meta.count if hasattr(meta, "count") else len(paged_items)
context.add_audit_metadata(
action="cache_affinity_list",
keyword=self.keyword,
matched_user_id=matched_user_id,
matched_api_key_id=matched_api_key_id,
limit=self.limit,
offset=self.offset,
result_count=result_count,
)
return response
@dataclass
class AdminClearUserCacheAdapter(AdminApiAdapter):
user_identifier: str
async def handle(self, context): # type: ignore[override]
db = context.db
try:
redis_client = get_redis_client_sync()
affinity_mgr = await get_affinity_manager(redis_client)
# 首先检查是否直接是 API Key ID (affinity_key)
api_key = db.query(ApiKey).filter(ApiKey.id == self.user_identifier).first()
if api_key:
# 直接按 affinity_key 清除
affinity_key = str(api_key.id)
user = db.query(User).filter(User.id == api_key.user_id).first()
all_affinities = await affinity_mgr.list_affinities()
target_affinities = [
aff for aff in all_affinities if aff.get("affinity_key") == affinity_key
]
count = 0
for aff in target_affinities:
api_format = aff.get("api_format")
model_name = aff.get("model_name")
endpoint_id = aff.get("endpoint_id")
if api_format and model_name:
await affinity_mgr.invalidate_affinity(
affinity_key, api_format, model_name, endpoint_id=endpoint_id
)
count += 1
logger.info(f"已清除API Key缓存亲和性: api_key_name={api_key.name}, affinity_key={affinity_key[:8]}..., 清除数量={count}")
response = {
"status": "ok",
"message": f"已清除 API Key {api_key.name} 的缓存亲和性",
"user_info": {
"user_id": str(api_key.user_id),
"username": user.username if user else None,
"email": user.email if user else None,
"api_key_id": affinity_key,
"api_key_name": api_key.name,
},
}
context.add_audit_metadata(
action="cache_clear_api_key",
user_identifier=self.user_identifier,
resolved_api_key_id=affinity_key,
cleared_count=count,
)
return response
# 如果不是 API Key ID尝试解析为用户标识
user_id = resolve_user_identifier(db, self.user_identifier)
if not user_id:
raise HTTPException(
status_code=404,
detail=f"无法识别的标识符: {self.user_identifier}。支持用户名、邮箱、User ID或API Key ID",
)
user = db.query(User).filter(User.id == user_id).first()
# 获取该用户所有的 API Key
user_api_keys = db.query(ApiKey).filter(ApiKey.user_id == user_id).all()
user_api_key_ids = {str(k.id) for k in user_api_keys}
# 获取该用户所有 API Key 的缓存亲和性并逐个失效
all_affinities = await affinity_mgr.list_affinities()
user_affinities = [
aff for aff in all_affinities if aff.get("affinity_key") in user_api_key_ids
]
count = 0
for aff in user_affinities:
affinity_key = aff.get("affinity_key")
api_format = aff.get("api_format")
model_name = aff.get("model_name")
endpoint_id = aff.get("endpoint_id")
if affinity_key and api_format and model_name:
await affinity_mgr.invalidate_affinity(
affinity_key, api_format, model_name, endpoint_id=endpoint_id
)
count += 1
logger.info(f"已清除用户缓存亲和性: username={user.username}, user_id={user_id[:8]}..., 清除数量={count}")
response = {
"status": "ok",
"message": f"已清除用户 {user.username} 的所有缓存亲和性",
"user_info": {"user_id": user_id, "username": user.username, "email": user.email},
}
context.add_audit_metadata(
action="cache_clear_user",
user_identifier=self.user_identifier,
resolved_user_id=user_id,
cleared_count=count,
)
return response
except HTTPException:
raise
except Exception as exc:
logger.exception(f"清除用户缓存亲和性失败: {exc}")
raise HTTPException(status_code=500, detail=f"清除失败: {exc}")
class AdminClearAllCacheAdapter(AdminApiAdapter):
async def handle(self, context): # type: ignore[override]
try:
redis_client = get_redis_client_sync()
affinity_mgr = await get_affinity_manager(redis_client)
count = await affinity_mgr.clear_all()
logger.warning(f"已清除所有缓存亲和性(管理员操作): {count}")
context.add_audit_metadata(
action="cache_clear_all",
cleared_count=count,
)
return {"status": "ok", "message": "已清除所有缓存亲和性", "count": count}
except Exception as exc:
logger.exception(f"清除所有缓存亲和性失败: {exc}")
raise HTTPException(status_code=500, detail=f"清除失败: {exc}")
@dataclass
class AdminClearProviderCacheAdapter(AdminApiAdapter):
provider_id: str
async def handle(self, context): # type: ignore[override]
try:
redis_client = get_redis_client_sync()
affinity_mgr = await get_affinity_manager(redis_client)
count = await affinity_mgr.invalidate_all_for_provider(self.provider_id)
logger.info(f"已清除Provider缓存亲和性: provider_id={self.provider_id[:8]}..., count={count}")
context.add_audit_metadata(
action="cache_clear_provider",
provider_id=self.provider_id,
cleared_count=count,
)
return {
"status": "ok",
"message": "已清除Provider的缓存亲和性",
"provider_id": self.provider_id,
"count": count,
}
except Exception as exc:
logger.exception(f"清除Provider缓存亲和性失败: {exc}")
raise HTTPException(status_code=500, detail=f"清除失败: {exc}")
class AdminCacheConfigAdapter(AdminApiAdapter):
async def handle(self, context): # type: ignore[override]
from src.services.cache.affinity_manager import CacheAffinityManager
from src.services.cache.aware_scheduler import CacheAwareScheduler
from src.services.rate_limit.adaptive_reservation import get_adaptive_reservation_manager
# 获取动态预留管理器的配置
reservation_manager = get_adaptive_reservation_manager()
reservation_stats = reservation_manager.get_stats()
response = {
"status": "ok",
"data": {
"cache_ttl_seconds": CacheAffinityManager.DEFAULT_CACHE_TTL,
"cache_reservation_ratio": CacheAwareScheduler.CACHE_RESERVATION_RATIO,
"dynamic_reservation": {
"enabled": True,
"config": reservation_stats["config"],
"description": {
"probe_phase_requests": "探测阶段请求数阈值",
"probe_reservation": "探测阶段预留比例",
"stable_min_reservation": "稳定阶段最小预留比例",
"stable_max_reservation": "稳定阶段最大预留比例",
"low_load_threshold": "低负载阈值(低于此值使用最小预留)",
"high_load_threshold": "高负载阈值(高于此值根据置信度使用较高预留)",
},
},
"description": {
"cache_ttl": "缓存亲和性有效期(秒)",
"cache_reservation_ratio": "静态预留比例(已被动态预留替代)",
"dynamic_reservation": "动态预留机制配置",
},
},
}
context.add_audit_metadata(
action="cache_config",
cache_ttl_seconds=CacheAffinityManager.DEFAULT_CACHE_TTL,
cache_reservation_ratio=CacheAwareScheduler.CACHE_RESERVATION_RATIO,
dynamic_reservation_enabled=True,
)
return response