From 8ad26d6fff8c3be8241c937cae7deb9cfaf6526f Mon Sep 17 00:00:00 2001
From: 3 <a89764228@163.com>
Date: Wed, 28 May 2025 18:32:32 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=EF=BC=88=E6=8A=A5=E9=94=99?=
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Content-Type: text/plain; charset=UTF-8
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---
 src/backend/Dockerfile                        | 22 +++++++++
 src/backend/app/adapters/__init__.py          | 29 +++++++++++
 src/backend/app/adapters/base.py              | 16 +++++++
 src/backend/app/adapters/base_adapter.py      |  1 -
 src/backend/app/adapters/cisco.py             | 32 +++++++++++++
 src/backend/app/adapters/factory.py           | 21 ++++++++
 src/backend/app/adapters/huawei.py            | 26 ++++++++++
 src/backend/app/adapters/huawei_adapter.py    |  0
 src/backend/app/api/bulk.py                   | 40 ++++++++++++++++
 src/backend/app/api/health.py                 | 17 +++++++
 src/backend/app/api/topology.py               | 20 ++++++++
 src/backend/app/models/__init__.py            | 10 ++++
 src/backend/app/models/devices.py             | 14 ++++++
 src/backend/app/models/topology.py            | 20 ++++++++
 src/backend/app/models/topology_models.py     |  1 -
 src/backend/app/monitoring/config_audit.py    |  0
 src/backend/app/monitoring/metrics.py         | 42 ++++++++++++++++
 src/backend/app/monitoring/middleware.py      | 31 ++++++++++++
 .../app/monitoring/prometheus_metrics.py      |  0
 src/backend/app/services/__init__.py          | 16 +++++++
 src/backend/app/services/async_connector.py   |  1 -
 src/backend/app/services/batch.py             | 48 +++++++++++++++++++
 src/backend/app/services/task_service.py      | 19 +++++++-
 src/backend/app/services/topology_service.py  | 24 +++++++++-
 .../cli_templates.py}                         |  0
 src/backend/app/utils/connection_pool.py      | 21 ++++++++
 src/backend/celeryconfig.py                   |  9 ++++
 src/backend/config.py                         | 11 +++--
 src/backend/requirements.txt                  |  8 ++--
 29 files changed, 487 insertions(+), 12 deletions(-)
 create mode 100644 src/backend/Dockerfile
 create mode 100644 src/backend/app/adapters/base.py
 delete mode 100644 src/backend/app/adapters/base_adapter.py
 create mode 100644 src/backend/app/adapters/cisco.py
 create mode 100644 src/backend/app/adapters/factory.py
 create mode 100644 src/backend/app/adapters/huawei.py
 delete mode 100644 src/backend/app/adapters/huawei_adapter.py
 create mode 100644 src/backend/app/api/bulk.py
 create mode 100644 src/backend/app/api/health.py
 create mode 100644 src/backend/app/api/topology.py
 create mode 100644 src/backend/app/models/__init__.py
 create mode 100644 src/backend/app/models/devices.py
 create mode 100644 src/backend/app/models/topology.py
 delete mode 100644 src/backend/app/models/topology_models.py
 delete mode 100644 src/backend/app/monitoring/config_audit.py
 create mode 100644 src/backend/app/monitoring/metrics.py
 create mode 100644 src/backend/app/monitoring/middleware.py
 delete mode 100644 src/backend/app/monitoring/prometheus_metrics.py
 create mode 100644 src/backend/app/services/__init__.py
 delete mode 100644 src/backend/app/services/async_connector.py
 create mode 100644 src/backend/app/services/batch.py
 rename src/backend/app/{adapters/cisco_adapter.py => utils/cli_templates.py} (100%)
 create mode 100644 src/backend/celeryconfig.py

diff --git a/src/backend/Dockerfile b/src/backend/Dockerfile
new file mode 100644
index 0000000..a47b4ad
--- /dev/null
+++ b/src/backend/Dockerfile
@@ -0,0 +1,22 @@
+version: '3.13.2'
+
+services:
+  app:
+    build: .
+    ports:
+      - "8000:8000"
+    depends_on:
+      - redis
+    environment:
+      - REDIS_URL=redis://redis:6379
+
+  redis:
+    image: redis:alpine
+    ports:
+      - "6379:6379"
+
+  worker:
+    build: .
+    command: celery -A app.services.task_service worker --loglevel=info
+    depends_on:
+      - ONBUILD
\ No newline at end of file
diff --git a/src/backend/app/adapters/__init__.py b/src/backend/app/adapters/__init__.py
index e69de29..16faff2 100644
--- a/src/backend/app/adapters/__init__.py
+++ b/src/backend/app/adapters/__init__.py
@@ -0,0 +1,29 @@
+from .base import BaseAdapter
+from .cisco import CiscoAdapter
+from .huawei import HuaweiAdapter
+from .factory import AdapterFactory
+
+# 自动注册所有适配器类
+__all_adapters__ = {
+    'cisco': CiscoAdapter,
+    'huawei': HuaweiAdapter
+}
+
+def get_supported_vendors() -> list:
+    """获取当前支持的设备厂商列表"""
+    return list(__all_adapters__.keys())
+
+def init_adapters():
+    """初始化适配器工厂"""
+    AdapterFactory.register_adapters(__all_adapters__)
+
+# 应用启动时自动初始化
+init_adapters()
+
+__all__ = [
+    'BaseAdapter',
+    'CiscoAdapter',
+    'HuaweiAdapter',
+    'AdapterFactory',
+    'get_supported_vendors'
+]
\ No newline at end of file
diff --git a/src/backend/app/adapters/base.py b/src/backend/app/adapters/base.py
new file mode 100644
index 0000000..74814d3
--- /dev/null
+++ b/src/backend/app/adapters/base.py
@@ -0,0 +1,16 @@
+# /backend/app/adapters/base.py
+from abc import ABC, abstractmethod
+from typing import Dict, Any
+
+class BaseAdapter(ABC):
+    @abstractmethod
+    async def connect(self, ip: str, credentials: Dict[str, str]):
+        pass
+
+    @abstractmethod
+    async def deploy_config(self, config: Dict[str, Any]) -> Dict[str, Any]:
+        pass
+
+    @abstractmethod
+    async def get_status(self) -> Dict[str, Any]:
+        pass
diff --git a/src/backend/app/adapters/base_adapter.py b/src/backend/app/adapters/base_adapter.py
deleted file mode 100644
index be895df..0000000
--- a/src/backend/app/adapters/base_adapter.py
+++ /dev/null
@@ -1 +0,0 @@
-#抽象基类
diff --git a/src/backend/app/adapters/cisco.py b/src/backend/app/adapters/cisco.py
new file mode 100644
index 0000000..3186cac
--- /dev/null
+++ b/src/backend/app/adapters/cisco.py
@@ -0,0 +1,32 @@
+# /backend/app/adapters/cisco.py
+from netmiko import ConnectHandler
+from .base import BaseAdapter
+
+class CiscoAdapter(BaseAdapter):
+    def __init__(self):
+        self.connection = None
+
+    async def connect(self, ip: str, credentials: Dict[str, str]):
+        self.connection = ConnectHandler(
+            device_type='cisco_ios',
+            host=ip,
+            username=credentials['username'],
+            password=credentials['password'],
+            timeout=10
+        )
+
+    async def deploy_config(self, config: Dict[str, Any]) -> Dict[str, Any]:
+        commands = self._generate_commands(config)
+        output = self.connection.send_config_set(commands)
+        return {'success': True, 'output': output}
+
+    def _generate_commands(self, config: Dict[str, Any]) -> list:
+        # 实际生产中应使用Jinja2模板
+        commands = []
+        if 'vlans' in config:
+            for vlan in config['vlans']:
+                commands.extend([
+                    f"vlan {vlan['id']}",
+                    f"name {vlan['name']}"
+                ])
+        return commands
\ No newline at end of file
diff --git a/src/backend/app/adapters/factory.py b/src/backend/app/adapters/factory.py
new file mode 100644
index 0000000..ea1c243
--- /dev/null
+++ b/src/backend/app/adapters/factory.py
@@ -0,0 +1,21 @@
+from . import BaseAdapter
+from .cisco import CiscoAdapter
+from .huawei import HuaweiAdapter
+
+class AdapterFactory:
+    _adapters = {}
+
+    @classmethod
+    def register_adapters(cls, adapters: dict):
+        """注册适配器字典"""
+        cls._adapters.update(adapters)
+
+    @classmethod
+    def get_adapter(vendor: str)->BaseAdapter:
+        adapters = {
+            'cisco': CiscoAdapter,
+            'huawei': HuaweiAdapter
+        }
+        if vendor not in cls._adapters:
+            raise ValueError(f"Unsupported vendor: {vendor}")
+        return cls._adapters[vendor]()
diff --git a/src/backend/app/adapters/huawei.py b/src/backend/app/adapters/huawei.py
new file mode 100644
index 0000000..e495e96
--- /dev/null
+++ b/src/backend/app/adapters/huawei.py
@@ -0,0 +1,26 @@
+import httpx
+from .base import BaseAdapter
+
+class HuaweiAdapter(BaseAdapter):
+    def __init__(self):
+        self.client = None
+        self.base_url = None
+
+    async def connect(self, ip: str, credentials: dict):
+        self.base_url = f"https://{ip}/restconf"
+        self.client = httpx.AsyncClient(
+            auth=(credentials['username'], credentials['password']),
+            verify=False,
+            timeout=30.0
+        )
+
+    async def deploy_config(self, config: dict):
+        headers = {"Content-Type": "application/yang-data+json"}
+        url = f"{self.base_url}/data/ietf-restconf:operations/network-topology:deploy"
+        response = await self.client.post(url, json=config, headers=headers)
+        response.raise_for_status()
+        return response.json()
+
+    async def disconnect(self):
+        if self.client:
+            await self.client.aclose()
\ No newline at end of file
diff --git a/src/backend/app/adapters/huawei_adapter.py b/src/backend/app/adapters/huawei_adapter.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/backend/app/api/bulk.py b/src/backend/app/api/bulk.py
new file mode 100644
index 0000000..ac5d422
--- /dev/null
+++ b/src/backend/app/api/bulk.py
@@ -0,0 +1,40 @@
+from fastapi import APIRouter, HTTPException, BackgroundTasks
+from pydantic import BaseModel
+from typing import List
+from app.services.batch import BatchService
+from app.utils.decorators import async_retry
+
+router = APIRouter()
+
+class BulkDeviceConfig(BaseModel):
+    device_ips: List[str]
+    config: dict
+    credentials: dict
+    vendor: str = "cisco"
+    timeout: int = 30
+
+@router.post("/config")
+@async_retry(max_attempts=3, delay=1)
+async def bulk_apply_config(request: BulkDeviceConfig, bg_tasks: BackgroundTasks):
+    """
+    批量配置设备接口
+    示例请求体:
+    {
+        "device_ips": ["192.168.1.1", "192.168.1.2"],
+        "config": {"vlans": [{"id": 100, "name": "test"}]},
+        "credentials": {"username": "admin", "password": "secret"},
+        "vendor": "cisco"
+    }
+    """
+    devices = [{
+        "ip": ip,
+        "credentials": request.credentials,
+        "vendor": request.vendor
+    } for ip in request.device_ips]
+
+    try:
+        batch = BatchService()
+        bg_tasks.add_task(batch.deploy_batch, devices, request.config)
+        return {"message": "Batch job started", "device_count": len(devices)}
+    except Exception as e:
+        raise HTTPException(500, detail=str(e))
\ No newline at end of file
diff --git a/src/backend/app/api/health.py b/src/backend/app/api/health.py
new file mode 100644
index 0000000..dde2155
--- /dev/null
+++ b/src/backend/app/api/health.py
@@ -0,0 +1,17 @@
+from fastapi import APIRouter
+from ...monitoring.healthcheck import check_redis, check_ai_service
+
+router = APIRouter()
+
+@router.get("/live")
+async def liveness_check():
+    return {"status": "alive"}
+
+@router.get("/ready")
+async def readiness_check():
+    redis_ok = await check_redis()
+    ai_ok = await check_ai_service()
+    return {
+        "redis": redis_ok,
+        "ai_service": ai_ok
+    }
\ No newline at end of file
diff --git a/src/backend/app/api/topology.py b/src/backend/app/api/topology.py
new file mode 100644
index 0000000..5be8809
--- /dev/null
+++ b/src/backend/app/api/topology.py
@@ -0,0 +1,20 @@
+from fastapi import APIRouter, BackgroundTasks
+from pydantic import BaseModel
+from ...services.task_service import deploy_to_device
+
+router = APIRouter()
+
+class TopologyRequest(BaseModel):
+    devices: list
+    config: dict
+
+@router.post("/deploy")
+async def deploy_topology(
+    request: TopologyRequest,
+    bg_tasks: BackgroundTasks
+):
+    task_ids = []
+    for device in request.devices:
+        task = deploy_to_device.delay(device, request.config)
+        task_ids.append(task.id)
+    return {"task_ids": task_ids}
diff --git a/src/backend/app/models/__init__.py b/src/backend/app/models/__init__.py
new file mode 100644
index 0000000..b945124
--- /dev/null
+++ b/src/backend/app/models/__init__.py
@@ -0,0 +1,10 @@
+from .device import DeviceCredentials, DeviceInfo
+from .topology import TopologyType, DeviceRole, NetworkTopology
+
+__all__ = [
+    'DeviceCredentials',
+    'DeviceInfo',
+    'TopologyType',
+    'DeviceRole',
+    'NetworkTopology'
+]
\ No newline at end of file
diff --git a/src/backend/app/models/devices.py b/src/backend/app/models/devices.py
new file mode 100644
index 0000000..803d448
--- /dev/null
+++ b/src/backend/app/models/devices.py
@@ -0,0 +1,14 @@
+from pydantic import BaseModel
+from typing import Optional
+
+class DeviceCredentials(BaseModel):
+    username: str
+    password: str
+    enable_password: Optional[str] = None
+
+class DeviceInfo(BaseModel):
+    ip: str
+    vendor: str
+    model: Optional[str] = None
+    os_version: Optional[str] = None
+    credentials: DeviceCredentials
\ No newline at end of file
diff --git a/src/backend/app/models/topology.py b/src/backend/app/models/topology.py
new file mode 100644
index 0000000..b944604
--- /dev/null
+++ b/src/backend/app/models/topology.py
@@ -0,0 +1,20 @@
+#拓补数据结构
+from enum import Enum
+from typing import Dict, List
+from pydantic import BaseModel
+
+class TopologyType(str, Enum):
+    SPINE_LEAF = "spine-leaf"
+    CORE_ACCESS = "core-access"
+    RING = "ring"
+
+class DeviceRole(str, Enum):
+    CORE = "core"
+    SPINE = "spine"
+    LEAF = "leaf"
+    ACCESS = "access"
+
+class NetworkTopology(BaseModel):
+    type: TopologyType
+    devices: Dict[DeviceRole, List[str]]
+    links: Dict[str, List[str]]
\ No newline at end of file
diff --git a/src/backend/app/models/topology_models.py b/src/backend/app/models/topology_models.py
deleted file mode 100644
index 88056e3..0000000
--- a/src/backend/app/models/topology_models.py
+++ /dev/null
@@ -1 +0,0 @@
-#拓补数据结构
diff --git a/src/backend/app/monitoring/config_audit.py b/src/backend/app/monitoring/config_audit.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/backend/app/monitoring/metrics.py b/src/backend/app/monitoring/metrics.py
new file mode 100644
index 0000000..c39adf4
--- /dev/null
+++ b/src/backend/app/monitoring/metrics.py
@@ -0,0 +1,42 @@
+from prometheus_client import (
+    Counter,
+    Gauge,
+    Histogram,
+    Summary
+)
+
+# API Metrics
+API_REQUESTS = Counter(
+    'api_requests_total',
+    'Total API requests',
+    ['method', 'endpoint', 'status']
+)
+
+API_LATENCY = Histogram(
+    'api_request_latency_seconds',
+    'API request latency',
+    ['endpoint']
+)
+
+# Device Metrics
+DEVICE_CONNECTIONS = Gauge(
+    'network_device_connections',
+    'Active device connections',
+    ['vendor']
+)
+
+CONFIG_APPLY_TIME = Summary(
+    'config_apply_seconds',
+    'Time spent applying configurations'
+)
+
+# Error Metrics
+CONFIG_ERRORS = Counter(
+    'config_errors_total',
+    'Configuration errors',
+    ['error_type']
+)
+
+def observe_api_request(method: str, endpoint: str, status: int, duration: float):
+    API_REQUESTS.labels(method, endpoint, status).inc()
+    API_LATENCY.labels(endpoint).observe(duration)
\ No newline at end of file
diff --git a/src/backend/app/monitoring/middleware.py b/src/backend/app/monitoring/middleware.py
new file mode 100644
index 0000000..2c7e718
--- /dev/null
+++ b/src/backend/app/monitoring/middleware.py
@@ -0,0 +1,31 @@
+from prometheus_client import Counter, Histogram
+from fastapi import Request
+
+REQUESTS = Counter(
+    'api_requests_total',
+    'Total API Requests',
+    ['method', 'endpoint']
+)
+
+LATENCY = Histogram(
+    'api_request_latency_seconds',
+    'API Request Latency',
+    ['endpoint']
+)
+
+
+async def monitor_requests(request: Request, call_next):
+    start_time = time.time()
+    response = await call_next(request)
+    latency = time.time() - start_time
+
+    REQUESTS.labels(
+        method=request.method,
+        endpoint=request.url.path
+    ).inc()
+
+    LATENCY.labels(
+        endpoint=request.url.path
+    ).observe(latency)
+
+    return response
\ No newline at end of file
diff --git a/src/backend/app/monitoring/prometheus_metrics.py b/src/backend/app/monitoring/prometheus_metrics.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/backend/app/services/__init__.py b/src/backend/app/services/__init__.py
new file mode 100644
index 0000000..5ae93d7
--- /dev/null
+++ b/src/backend/app/services/__init__.py
@@ -0,0 +1,16 @@
+from .task_service import celery_app
+from .ai_service import AIService
+from .topology import TopologyService
+from .batch import BatchService
+
+# 单例服务实例
+ai_service = AIService()
+topology_service = TopologyService()
+batch_service = BatchService()
+
+__all__ = [
+    'celery_app',
+    'ai_service',
+    'topology_service',
+    'batch_service'
+]
\ No newline at end of file
diff --git a/src/backend/app/services/async_connector.py b/src/backend/app/services/async_connector.py
deleted file mode 100644
index 2bf3b7e..0000000
--- a/src/backend/app/services/async_connector.py
+++ /dev/null
@@ -1 +0,0 @@
-#异步SSH连接器
\ No newline at end of file
diff --git a/src/backend/app/services/batch.py b/src/backend/app/services/batch.py
new file mode 100644
index 0000000..9339583
--- /dev/null
+++ b/src/backend/app/services/batch.py
@@ -0,0 +1,48 @@
+import asyncio
+from typing import List, Dict, Any
+from app.adapters.factory import AdapterFactory
+from app.utils.connection_pool import ConnectionPool
+from app.monitoring.metrics import (
+    DEVICE_CONNECTIONS,
+    CONFIG_APPLY_TIME,
+    CONFIG_ERRORS
+)
+
+
+class BatchService:
+    def __init__(self, max_workers: int = 10):
+        self.semaphore = asyncio.Semaphore(max_workers)
+        self.pool = ConnectionPool()
+
+    @CONFIG_APPLY_TIME.time()
+    async def deploy_batch(self, devices: List[Dict], config: Dict[str, Any]):
+        async def _deploy(device):
+            vendor = device.get('vendor', 'cisco')
+            async with self.semaphore:
+                try:
+                    adapter = AdapterFactory.get_adapter(vendor)
+                    await adapter.connect(device['ip'], device['credentials'])
+                    DEVICE_CONNECTIONS.labels(vendor).inc()
+
+                    result = await adapter.deploy_config(config)
+                    return {
+                        "device": device['ip'],
+                        "status": "success",
+                        "result": result
+                    }
+                except ConnectionError as e:
+                    CONFIG_ERRORS.labels("connection").inc()
+                    return {
+                        "device": device['ip'],
+                        "status": "failed",
+                        "error": str(e)
+                    }
+                finally:
+                    if adapter:
+                        await adapter.disconnect()
+                        DEVICE_CONNECTIONS.labels(vendor).dec()
+
+        return await asyncio.gather(
+            *[_deploy(device) for device in devices],
+            return_exceptions=True
+        )
\ No newline at end of file
diff --git a/src/backend/app/services/task_service.py b/src/backend/app/services/task_service.py
index 501c2cc..4b3985a 100644
--- a/src/backend/app/services/task_service.py
+++ b/src/backend/app/services/task_service.py
@@ -1 +1,18 @@
-#Celery任务定义
\ No newline at end of file
+#Celery任务定义
+from celery import Celery
+from src.backend.app.utils.connection_pool import ConnectionPool
+from src.backend.config import settings
+
+celery = Celery(__name__, broker=settings.REDIS_URL)
+pool = ConnectionPool(max_size=settings.MAX_CONNECTIONS)
+
+@celery.task
+async def deploy_to_device(device_info: dict, config: dict):
+    adapter = await pool.get(device_info['vendor'])
+    try:
+        await adapter.connect(device_info['ip'], device_info['credentials'])
+        result = await adapter.deploy_config(config)
+        await pool.release(adapter)
+        return {'device': device_info['ip'], 'result': result}
+    except Exception as e:
+        return {'device': device_info['ip'], 'error': str(e)}
\ No newline at end of file
diff --git a/src/backend/app/services/topology_service.py b/src/backend/app/services/topology_service.py
index 5e07fb9..7b61cb5 100644
--- a/src/backend/app/services/topology_service.py
+++ b/src/backend/app/services/topology_service.py
@@ -1 +1,23 @@
-#拓补处理逻辑
\ No newline at end of file
+#拓补处理逻辑
+def generate_multi_device_config(topology):
+    """
+    topology示例:
+    {
+        "core_switches": [sw1, sw2],
+        "access_switches": {
+            "sw1": [sw3, sw4],
+            "sw2": [sw5, sw6]
+        }
+    }
+    """
+    configs = {}
+    # 生成核心层配置（如MSTP根桥选举）
+    for sw in topology['core_switches']:
+        configs[sw] = generate_core_config(sw)
+
+    # 生成接入层配置（如端口绑定）
+    for core_sw, access_sws in topology['access_switches'].items():
+        for sw in access_sws:
+            configs[sw] = generate_access_config(sw, uplink=core_sw)
+
+    return configs
\ No newline at end of file
diff --git a/src/backend/app/adapters/cisco_adapter.py b/src/backend/app/utils/cli_templates.py
similarity index 100%
rename from src/backend/app/adapters/cisco_adapter.py
rename to src/backend/app/utils/cli_templates.py
diff --git a/src/backend/app/utils/connection_pool.py b/src/backend/app/utils/connection_pool.py
index 342fa2a..d601f93 100644
--- a/src/backend/app/utils/connection_pool.py
+++ b/src/backend/app/utils/connection_pool.py
@@ -1 +1,22 @@
 #连接池
+# /backend/app/utils/connection_pool.py
+import asyncio
+from collections import deque
+from ..adapters import cisco, huawei
+
+class ConnectionPool:
+    def __init__(self, max_size=10):
+        self.max_size = max_size
+        self.pool = deque(maxlen=max_size)
+        self.lock = asyncio.Lock()
+
+    async def get(self, vendor: str):
+        async with self.lock:
+            if self.pool:
+                return self.pool.pop()
+            return CiscoAdapter() if vendor == 'cisco' else HuaweiAdapter()
+
+    async def release(self, adapter):
+        async with self.lock:
+            if len(self.pool) < self.max_size:
+                self.pool.append(adapter)
\ No newline at end of file
diff --git a/src/backend/celeryconfig.py b/src/backend/celeryconfig.py
new file mode 100644
index 0000000..8cd8365
--- /dev/null
+++ b/src/backend/celeryconfig.py
@@ -0,0 +1,9 @@
+broker_url = 'redis://redis:6379/0'
+result_backend = 'redis://redis:6379/1'
+task_serializer = 'json'
+result_serializer = 'json'
+accept_content = ['json']
+timezone = 'UTC'
+enable_utc = True
+task_track_started = True
+task_time_limit = 300
\ No newline at end of file
diff --git a/src/backend/config.py b/src/backend/config.py
index 0e44f66..68d0fd8 100644
--- a/src/backend/config.py
+++ b/src/backend/config.py
@@ -1,14 +1,17 @@
 from pydantic_settings import BaseSettings
+from pydantic import Field
 
 
 class Settings(BaseSettings):
-    app_name: str = "Network Config API"
-    ai_api_key: str = "your-silicon-mobility-api-key"
-    ai_api_url: str = "https://api.silicon-mobility.com/v1/parse"
-    debug: bool = False
+    app_name: str = "Network Automation API"
+    redis_url: str = Field("redis://localhost:6379", env="REDIS_URL")
+    ai_api_key: str = Field(..., env="AI_API_KEY")
+    max_connections: int = Field(50, env="MAX_CONNECTIONS")
+    default_timeout: int = Field(30, env="DEFAULT_TIMEOUT")
 
     class Config:
         env_file = ".env"
+        extra = "ignore"
 
 
 settings = Settings()
\ No newline at end of file
diff --git a/src/backend/requirements.txt b/src/backend/requirements.txt
index d148a98..5122206 100644
--- a/src/backend/requirements.txt
+++ b/src/backend/requirements.txt
@@ -1,6 +1,8 @@
 fastapi==0.109.1
 uvicorn==0.27.0
 python-dotenv==1.0.0
-requests==2.31.0
-pydantic==2.6.1
-pydantic-settings==2.1.0
\ No newline at end of file
+celery==5.3.6
+redis==4.6.0
+netmiko==4.2.0
+asyncssh==2.14.10.0
+prometheus-client==0.2
\ No newline at end of file