feat: Agent 服务日志功能和后端更新

- agent/main.py: 添加日志记录功能
- agent/llm: 更新 anthropic, openai, factory
- agent/core/agent.py: 更新
- server: agent_handler, agent_service, chat_service 更新

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-03-11 17:22:40 +08:00
parent f9660a3d7b
commit 25eb277a2a
10 changed files with 260 additions and 25 deletions

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@@ -1,6 +1,7 @@
"""
Agent Core - 单智能体核心
"""
import logging
from typing import Optional, List, Dict, Any
from pydantic import BaseModel
from app.agent.memory.manager import MemoryManager
@@ -8,6 +9,8 @@ from app.agent.skills.router import SkillRouter
from app.agent.skills.executor import SkillExecutor
from app.agent.llm.factory import LLMFactory
logger = logging.getLogger("agent.core")
class AgentConfig(BaseModel):
"""智能体配置"""
@@ -16,6 +19,8 @@ class AgentConfig(BaseModel):
role_description: str
model_provider: str = "openai"
model_name: str = "gpt-4"
api_key: Optional[str] = None # API Key可选用于覆盖默认配置
base_url: Optional[str] = None # Base URL可选用于覆盖默认配置
skills: List[int] = [] # 技能 ID 列表
knowledge_base_ids: List[int] = []
timeout: int = 60
@@ -36,7 +41,12 @@ class AgentCore:
def __init__(self, config: AgentConfig):
self.config = config
self.llm = LLMFactory.create(config.model_provider, config.model_name)
# 记录 LLM 初始化信息
api_key_info = f"{config.api_key[:10]}..." if config.api_key else "None"
logger.info(f"初始化 AgentCore: name={config.name}, provider={config.model_provider}, model={config.model_name}, api_key={api_key_info}, base_url={config.base_url}")
self.llm = LLMFactory.create(config.model_provider, config.model_name, config.api_key, config.base_url)
self.memory = MemoryManager(config.id)
self.skill_router = SkillRouter(config.skills)
self.skill_executor = SkillExecutor()

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@@ -2,17 +2,17 @@
Anthropic LLM 实现
"""
import os
from typing import Dict, Any, List
from typing import Dict, Any, List, Optional
from anthropic import AsyncAnthropic
class AnthropicLLM:
"""Anthropic Claude LLM"""
def __init__(self, model_name: str = "claude-3-sonnet-20240229"):
def __init__(self, model_name: str = "claude-3-sonnet-20240229", api_key: Optional[str] = None):
self.model_name = model_name
self.client = AsyncAnthropic(
api_key=os.getenv("ANTHROPIC_API_KEY", "")
api_key=api_key or os.getenv("ANTHROPIC_API_KEY", "")
)
async def decide(self, prompt: str) -> Dict[str, Any]:

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@@ -1,7 +1,7 @@
"""
LLM Factory - LLM 工厂类
"""
from typing import Dict, Any
from typing import Optional
from app.agent.llm.openai import OpenAILLM
from app.agent.llm.anthropic import AnthropicLLM
@@ -10,21 +10,23 @@ class LLMFactory:
"""LLM 工厂类"""
@staticmethod
def create(provider: str, model_name: str):
def create(provider: str, model_name: str, api_key: Optional[str] = None, base_url: Optional[str] = None):
"""
创建 LLM 实例
Args:
provider: 模型提供商 (openai/anthropic)
model_name: 模型名称
api_key: API Key可选
base_url: Base URL可选
Returns:
LLM 实例
"""
if provider.lower() == "openai":
return OpenAILLM(model_name)
return OpenAILLM(model_name, api_key, base_url)
elif provider.lower() == "anthropic":
return AnthropicLLM(model_name)
return AnthropicLLM(model_name, api_key)
else:
# 默认使用 OpenAI
return OpenAILLM(model_name)
return OpenAILLM(model_name, api_key, base_url)

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@@ -2,18 +2,31 @@
OpenAI LLM 实现
"""
import os
import logging
from typing import Dict, Any, List, Optional
from openai import AsyncOpenAI
logger = logging.getLogger("llm.openai")
class OpenAILLM:
"""OpenAI LLM"""
def __init__(self, model_name: str = "gpt-4"):
def __init__(self, model_name: str = "gpt-4", api_key: Optional[str] = None, base_url: Optional[str] = None):
self.model_name = model_name
# 优先使用传入的参数,否则使用环境变量
self.api_key = api_key or os.getenv("OPENAI_API_KEY", "")
self.base_url = base_url or os.getenv("OPENAI_BASE_URL", "https://api.openai.com/v1")
api_key_info = f"{self.api_key[:10]}..." if self.api_key else "None"
logger.info(f"初始化 OpenAI LLM: model={model_name}, api_key={api_key_info}, base_url={self.base_url}")
if not self.api_key:
logger.warning("⚠️ WARNING: No API key provided!")
self.client = AsyncOpenAI(
api_key=os.getenv("OPENAI_API_KEY", ""),
base_url=os.getenv("OPENAI_BASE_URL", "https://api.openai.com/v1")
api_key=self.api_key,
base_url=self.base_url
)
async def decide(self, prompt: str) -> Dict[str, Any]:

View File

@@ -2,7 +2,10 @@
FastAPI Agent Engine Server
"""
import os
import sys
import time
import logging
from datetime import datetime
from typing import Optional
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
@@ -12,6 +15,90 @@ from app.agent.core import AgentCore, Supervisor, AgentConfig
from app.agent.llm import LLMFactory
# 日志目录 - 放在 server/logs 下
LOG_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "server", "logs", datetime.now().strftime("%Y-%m-%d"))
os.makedirs(LOG_DIR, exist_ok=True)
# 成功/失败日志文件
today = datetime.now().strftime("%Y-%m-%d")
success_log_file = os.path.join(LOG_DIR, f"python_success.log")
failure_log_file = os.path.join(LOG_DIR, f"python_failure.log")
def setup_logging():
"""配置日志系统"""
log_level = os.getenv("LOG_LEVEL", "INFO")
# 创建格式化器
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
# 控制台处理器
console_handler = logging.StreamHandler(sys.stdout)
console_handler.setFormatter(formatter)
# 成功日志文件处理器
success_handler = logging.FileHandler(success_log_file, encoding='utf-8')
success_handler.setFormatter(formatter)
success_handler.setLevel(logging.INFO)
# 失败日志文件处理器
failure_handler = logging.FileHandler(failure_log_file, encoding='utf-8')
failure_handler.setFormatter(formatter)
failure_handler.setLevel(logging.WARNING)
# 根日志配置
root_logger = logging.getLogger()
root_logger.setLevel(getattr(logging, log_level))
root_logger.addHandler(console_handler)
root_logger.addHandler(success_handler)
root_logger.addHandler(failure_handler)
return root_logger
# 成功日志记录器(只记录 INFO 级别到成功日志)
class SuccessLogger:
"""成功日志记录器"""
@staticmethod
def log(message: str):
"""记录成功日志"""
logger = logging.getLogger("success")
logger.setLevel(logging.INFO)
handler = logging.FileHandler(success_log_file, encoding='utf-8')
handler.setFormatter(logging.Formatter('%(asctime)s - %(message)s', datefmt='%Y-%m-%d %H:%M:%S'))
logger.addHandler(handler)
logger.info(message)
# 同时输出到控制台
print(f"{message}")
# 失败日志记录器
class FailureLogger:
"""失败日志记录器"""
@staticmethod
def log(message: str, error: str = ""):
"""记录失败日志"""
logger = logging.getLogger("failure")
logger.setLevel(logging.WARNING)
handler = logging.FileHandler(failure_log_file, encoding='utf-8')
handler.setFormatter(logging.Formatter('%(asctime)s - %(message)s - %(error)s', datefmt='%Y-%m-%d %H:%M:%S'))
logger.addHandler(handler)
full_message = f"{message} - Error: {error}" if error else message
logger.warning(full_message)
# 同时输出到控制台
print(f"{full_message}")
logger = setup_logging()
app = FastAPI(title="X-Agents Python Engine", version="1.0.0")
# CORS
@@ -32,6 +119,12 @@ class ChatRequest(BaseModel):
message: str
user_id: int = 1
session_id: Optional[str] = None
# 模型参数(可选,如果传了就使用,否则用智能体配置的默认模型)
model_id: Optional[str] = None
model_name: Optional[str] = None
model_provider: Optional[str] = None
api_key: Optional[str] = None
base_url: Optional[str] = None
class TeamChatRequest(BaseModel):
@@ -76,7 +169,7 @@ _mock_agents = {
}
def get_agent_config(agent_id: int) -> AgentConfig:
def get_agent_config(agent_id: int, api_key: str = None, base_url: str = None) -> AgentConfig:
"""获取智能体配置"""
agent_data = _mock_agents.get(agent_id)
if not agent_data:
@@ -88,6 +181,8 @@ def get_agent_config(agent_id: int) -> AgentConfig:
role_description=agent_data["role_description"],
model_provider=agent_data["model_provider"],
model_name=agent_data["model_name"],
api_key=api_key,
base_url=base_url,
skills=agent_data.get("skills", [])
)
@@ -109,16 +204,42 @@ async def chat(request: ChatRequest):
"""
单智能体对话
"""
chat_logger = logging.getLogger("agent.chat")
# 打印请求参数(隐藏 api_key 敏感信息)
api_key_preview = f"{request.api_key[:10]}..." if request.api_key else "None"
chat_logger.info(f"========== 收到聊天请求 ==========")
chat_logger.info(f"agent_id: {request.agent_id}")
chat_logger.info(f"model_id: {request.model_id}")
chat_logger.info(f"model_provider: {request.model_provider}")
chat_logger.info(f"model_name: {request.model_name}")
chat_logger.info(f"api_key: {api_key_preview}")
chat_logger.info(f"base_url: {request.base_url}")
chat_logger.info(f"message: {request.message[:50]}...")
start_time = time.time()
# 获取智能体配置
try:
config = get_agent_config(request.agent_id)
except HTTPException:
config = get_agent_config(request.agent_id, request.api_key, request.base_url)
chat_logger.info(f"Agent config loaded: provider={config.model_provider}, model={config.model_name}")
except HTTPException as e:
FailureLogger.log(f"Agent not found: agent_id={request.agent_id}", str(e))
chat_logger.error(f"Agent not found: {e}")
raise
except Exception as e:
FailureLogger.log(f"Error loading config: agent_id={request.agent_id}", str(e))
chat_logger.error(f"Error loading config: {e}")
raise HTTPException(status_code=400, detail=str(e))
# 如果请求中指定了模型,覆盖智能体的默认配置
if request.model_provider:
config.model_provider = request.model_provider
if request.model_name:
config.model_name = request.model_name
chat_logger.info(f"Final LLM config: provider={config.model_provider}, model={config.model_name}, api_key={config.api_key[:10] if config.api_key else 'None'}..., base_url={config.base_url}")
# 创建智能体实例
agent = AgentCore(config)
@@ -129,10 +250,15 @@ async def chat(request: ChatRequest):
try:
result = await agent.run(request.message, request.user_id, session_id)
except Exception as e:
FailureLogger.log(f"Agent execution failed: agent_id={request.agent_id}, message={request.message[:30]}", str(e))
chat_logger.error(f"Agent execution error: {e}")
raise HTTPException(status_code=500, detail=str(e))
duration_ms = int((time.time() - start_time) * 1000)
# 记录成功日志
SuccessLogger.log(f"Chat success: agent_id={request.agent_id}, duration={duration_ms}ms, message={request.message[:30]}...")
return ChatResponse(
agent_id=request.agent_id,
response=result.content,

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@@ -296,7 +296,7 @@ func main() {
toolService := service.NewToolService(toolRepo)
mcpService := service.NewMCPService(mcpRepo)
skillService := service.NewSkillService(skillRepo)
agentService := service.NewAgentService(cfg.PythonServiceURL)
agentService := service.NewAgentService(cfg.PythonServiceURL, modelRepo)
memoryService := service.NewMemoryService(agentRepo)
// 4.2 初始化默认工具

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@@ -25,6 +25,7 @@ type ChatRequest struct {
AgentID int `json:"agent_id" binding:"required"`
Message string `json:"message" binding:"required"`
SessionID string `json:"session_id"`
ModelID string `json:"model_id"`
}
// ChatResponse 对话响应
@@ -54,6 +55,7 @@ func (h *AgentHandler) Chat(c *gin.Context) {
Message: req.Message,
UserID: userID,
SessionID: req.SessionID,
ModelID: req.ModelID,
}
result, err := h.agentService.Chat(pythonReq)

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@@ -105,6 +105,7 @@ type AgentRequest struct {
AgentID string `json:"agent_id" binding:"required"`
Message string `json:"message" binding:"required"`
SessionID string `json:"session_id"`
ModelID string `json:"model_id"`
Context map[string]interface{} `json:"context"`
}

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@@ -5,16 +5,24 @@ import (
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"time"
"x-agents/server/internal/repository"
)
// AgentChatRequest Python Agent 对话请求
type AgentChatRequest struct {
AgentID int `json:"agent_id"`
Message string `json:"message"`
UserID int `json:"user_id"`
SessionID string `json:"session_id,omitempty"`
AgentID int `json:"agent_id"`
Message string `json:"message"`
UserID int `json:"user_id"`
SessionID string `json:"session_id,omitempty"`
ModelID string `json:"model_id,omitempty"`
ModelName string `json:"model_name,omitempty"`
ModelProvider string `json:"model_provider,omitempty"`
APIKey string `json:"api_key,omitempty"`
BaseURL string `json:"base_url,omitempty"`
}
// AgentChatResponse Python Agent 对话响应
@@ -51,20 +59,55 @@ type TeamChatResponse struct {
type AgentService struct {
pythonURL string
client *http.Client
modelRepo *repository.ModelRepository
}
// NewAgentService 创建 Agent 服务
func NewAgentService(pythonURL string) *AgentService {
func NewAgentService(pythonURL string, modelRepo *repository.ModelRepository) *AgentService {
return &AgentService{
pythonURL: pythonURL,
client: &http.Client{
Timeout: 120 * time.Second, // Agent 可能需要较长时间
},
modelRepo: modelRepo,
}
}
// Chat 单智能体对话
func (s *AgentService) Chat(req AgentChatRequest) (*AgentChatResponse, error) {
// 如果传入了 model_id查询模型配置获取 api_key 和 base_url
log.Printf("[AgentService] Chat called, model_id: %s, modelRepo: %v", req.ModelID, s.modelRepo != nil)
if req.ModelID != "" && s.modelRepo != nil {
model, err := s.modelRepo.FindByID(req.ModelID)
if err != nil {
log.Printf("[AgentService] Error finding model: %v", err)
} else if model != nil {
log.Printf("[AgentService] Found model: id=%s, provider=%s, model=%s, base_url=%s, api_key_len=%d",
model.ID, model.Provider, model.Model, model.BaseURL, len(model.APIKey))
req.APIKey = model.APIKey
req.BaseURL = model.BaseURL
req.ModelProvider = model.Provider
req.ModelName = model.Model
log.Printf("[AgentService] Set req.APIKey=%s, req.BaseURL=%s", req.APIKey[:10]+"...", req.BaseURL)
} else {
log.Printf("[AgentService] Model not found for id: %s", req.ModelID)
}
} else if s.modelRepo == nil {
log.Printf("[AgentService] WARNING: modelRepo is nil!")
}
// 打印传给 Python 的请求内容
apiKeyPreview := ""
if req.APIKey != "" {
apiKeyPreview = req.APIKey
if len(apiKeyPreview) > 10 {
apiKeyPreview = apiKeyPreview[:10] + "..."
}
}
log.Printf("[AgentService] Sending to Python: model_id=%s, api_key=%s, base_url=%s, provider=%s, model=%s",
req.ModelID, apiKeyPreview, req.BaseURL, req.ModelProvider, req.ModelName)
url := fmt.Sprintf("%s/agent/chat", s.pythonURL)
jsonData, err := json.Marshal(req)

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@@ -16,13 +16,15 @@ import (
type ChatService struct {
pythonURL string
agentRepo *repository.AgentRepository
agentRepo *repository.AgentRepository
modelRepo *repository.ModelRepository
}
func NewChatService(pythonURL string, agentRepo *repository.AgentRepository) *ChatService {
func NewChatService(pythonURL string, agentRepo *repository.AgentRepository, modelRepo *repository.ModelRepository) *ChatService {
return &ChatService{
pythonURL: pythonURL,
agentRepo: agentRepo,
agentRepo: agentRepo,
modelRepo: modelRepo,
}
}
@@ -30,9 +32,19 @@ type ChatRequest struct {
AgentID string `json:"agent_id"`
Message string `json:"message"`
SessionID string `json:"session_id"`
ModelID string `json:"model_id"`
Context map[string]interface{} `json:"context"`
}
// ModelConfig 模型配置,用于传递给 Python 服务
type ModelConfig struct {
Provider string `json:"provider"`
Model string `json:"model"`
APIKey string `json:"api_key"`
BaseURL string `json:"base_url"`
APIEndpoint string `json:"api_endpoint"`
}
type ChatResponse struct {
Reply string `json:"reply"`
SessionID string `json:"session_id"`
@@ -59,14 +71,40 @@ func (s *ChatService) Chat(ctx context.Context, userID string, req model.AgentRe
sessionID = uuid.New().String()
}
// 4. 调用 Python 服务
// 4. 如果提供了 ModelID获取模型配置
var modelConfig *ModelConfig
if req.ModelID != "" {
modelInfo, err := s.modelRepo.FindByID(req.ModelID)
if err != nil {
return nil, fmt.Errorf("model not found: %w", err)
}
modelConfig = &ModelConfig{
Provider: modelInfo.Provider,
Model: modelInfo.Model,
APIKey: modelInfo.APIKey,
BaseURL: modelInfo.BaseURL,
APIEndpoint: modelInfo.APIEndpoint,
}
}
// 5. 调用 Python 服务
pythonReq := ChatRequest{
AgentID: req.AgentID,
Message: req.Message,
SessionID: sessionID,
ModelID: req.ModelID,
Context: req.Context,
}
// 将模型配置放入 Context 中传递给 Python 服务
if modelConfig != nil {
pythonReq.Context = make(map[string]interface{})
for k, v := range req.Context {
pythonReq.Context[k] = v
}
pythonReq.Context["model_config"] = modelConfig
}
pythonResp, err := s.callPythonChat(ctx, pythonReq)
if err != nil {
return nil, fmt.Errorf("failed to call python service: %w", err)