feat: add endpoints for creating and removing network bridges with request models

backend/src/network_api.py

@@ -1,4 +1,4 @@
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, HTTPException
 from pydantic import BaseModel, Field
 from typing import List, Optional
 from pyroute2 import IPRoute, NDB
@@ -98,6 +98,13 @@ class BridgeInfo(BaseModel):
     stp_state: Optional[int] = Field(None, description="STP (Spanning Tree Protocol) state of the bridge")
     members: List[BridgeInterfaceInfo] = Field(default_factory=list, description="List of member interfaces of the bridge")
 
+class BridgeCreateRequest(BaseModel):
+    name: str
+    interfaces: List[str]
+
+
+class BridgeRemoveRequest(BaseModel):
+    name: str
 # ------------------------------
 # Lazy Init Functions
 # ------------------------------
@@ -176,6 +183,17 @@ def parse_flags(flags_int: int) -> list[str]:
             result.append(name)
     return result
 
+def iface_index(name: str, ip: IPRoute = Depends(get_iproute)) -> int:
+    idx = ip.link_lookup(ifname=name)
+    if not idx:
+        raise HTTPException(status_code=404, detail=f"Interface {name} not found")
+    return idx[0]
+
+
+def bridge_exists(name: str, ip: IPRoute = Depends(get_iproute)) -> bool:
+    return bool(ip.link_lookup(ifname=name))
+
+
 # ------------------------------
 # Endpoints
 # ------------------------------
@@ -331,3 +349,45 @@ def full_state(
         "routes": get_routes(ip),
         "bridges": get_bridges(),  # uses NDB internally
     }
+
+@router.post("/create")
+def create_bridge(req: BridgeCreateRequest, ip: IPRoute = Depends(get_iproute)):
+    if bridge_exists(req.name):
+        raise HTTPException(400, f"Bridge {req.name} already exists")
+
+    # Bridge erzeugen
+    ip.link("add", ifname=req.name, kind="bridge")
+    br_idx = iface_index(req.name)
+
+    # Interfaces hinzufügen
+    for iface in req.interfaces:
+        idx = iface_index(iface)
+        ip.link("set", index=idx, master=br_idx)
+
+    # Bridge aktivieren
+    ip.link("set", index=br_idx, state="up")
+
+    return {
+        "status": "ok",
+        "bridge": req.name,
+        "interfaces": req.interfaces
+    }
+
+
+@router.post("/remove")
+def remove_bridge(req: BridgeRemoveRequest, ip: IPRoute = Depends(get_iproute)):
+    if not bridge_exists(req.name):
+        raise HTTPException(404, f"Bridge {req.name} not found")
+
+    br_idx = iface_index(req.name)
+
+    # Bridge runterfahren
+    ip.link("set", index=br_idx, state="down")
+
+    # Bridge löschen
+    ip.link("del", index=br_idx)
+
+    return {
+        "status": "ok",
+        "deleted": req.name
+    }