feat: KVM虚拟化管理平台初始版本

backend/app/main.py

@@ -0,0 +1,50 @@
+"""FastAPI 主应用"""
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from app.config import settings
+from app.routers import vm, storage, network, snapshot, monitor
+
+app = FastAPI(
+    title=settings.APP_NAME,
+    version=settings.APP_VERSION,
+    description="KVM 虚拟化管理平台 API",
+)
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册路由
+app.include_router(vm.router, prefix=f"{settings.API_PREFIX}/vm", tags=["虚拟机管理"])
+app.include_router(storage.router, prefix=f"{settings.API_PREFIX}/storage", tags=["存储管理"])
+app.include_router(network.router, prefix=f"{settings.API_PREFIX}/network", tags=["网络管理"])
+app.include_router(snapshot.router, prefix=f"{settings.API_PREFIX}/snapshot", tags=["快照管理"])
+app.include_router(monitor.router, prefix=f"{settings.API_PREFIX}/monitor", tags=["资源监控"])
+
+
+@app.get("/")
+async def root():
+    return {"name": settings.APP_NAME, "version": settings.APP_VERSION}
+
+
+@app.get(f"{settings.API_PREFIX}/host")
+async def host_info():
+    """获取宿主机信息"""
+    from app.libvirt_conn import libvirt_conn
+    return libvirt_conn.get_host_info()
+
+
+@app.get("/health")
+async def health():
+    """健康检查"""
+    from app.libvirt_conn import libvirt_conn
+    try:
+        conn = libvirt_conn.conn
+        return {"status": "ok", "libvirt": conn.isAlive()}
+    except Exception as e:
+        return {"status": "error", "message": str(e)}