mirror of
https://github.com/GNS3/gns3-server.git
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300 lines
9.4 KiB
Python
300 lines
9.4 KiB
Python
#
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# Copyright (C) 2020 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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API routes for Dynamips nodes.
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"""
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import os
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import sys
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from fastapi import APIRouter, WebSocket, Depends, status
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from fastapi.encoders import jsonable_encoder
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from fastapi.responses import StreamingResponse
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from typing import List
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from uuid import UUID
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from gns3server.compute.dynamips import Dynamips
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from gns3server.compute.dynamips.nodes.router import Router
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from gns3server.compute.dynamips.dynamips_error import DynamipsError
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from gns3server import schemas
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responses = {
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404: {"model": schemas.ErrorMessage, "description": "Could not find project or Dynamips node"}
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}
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router = APIRouter(responses=responses)
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DEFAULT_CHASSIS = {
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"c1700": "1720",
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"c2600": "2610",
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"c3600": "3640"
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}
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def dep_node(project_id: UUID, node_id: UUID):
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"""
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Dependency to retrieve a node.
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"""
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dynamips_manager = Dynamips.instance()
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node = dynamips_manager.get_node(str(node_id), project_id=str(project_id))
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return node
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@router.post("",
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response_model=schemas.Dynamips,
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status_code=status.HTTP_201_CREATED,
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responses={409: {"model": schemas.ErrorMessage, "description": "Could not create Dynamips node"}})
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async def create_router(project_id: UUID, node_data: schemas.DynamipsCreate):
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"""
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Create a new Dynamips router.
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"""
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dynamips_manager = Dynamips.instance()
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platform = node_data.platform
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chassis = None
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if not node_data.chassis and platform in DEFAULT_CHASSIS:
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chassis = DEFAULT_CHASSIS[platform]
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node_data = jsonable_encoder(node_data, exclude_unset=True)
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vm = await dynamips_manager.create_node(node_data.pop("name"),
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str(project_id),
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node_data.get("node_id"),
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dynamips_id=node_data.get("dynamips_id"),
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platform=platform,
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console=node_data.get("console"),
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console_type=node_data.get("console_type", "telnet"),
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aux=node_data.get("aux"),
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aux_type=node_data.pop("aux_type", "none"),
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chassis=chassis,
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node_type="dynamips")
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await dynamips_manager.update_vm_settings(vm, node_data)
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return vm.__json__()
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@router.get("/{node_id}",
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response_model=schemas.Dynamips)
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def get_router(node: Router = Depends(dep_node)):
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"""
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Return Dynamips router.
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"""
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return node.__json__()
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@router.put("/{node_id}",
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response_model=schemas.Dynamips)
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async def update_router(node_data: schemas.DynamipsUpdate, node: Router = Depends(dep_node)):
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"""
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Update a Dynamips router.
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"""
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await Dynamips.instance().update_vm_settings(node, jsonable_encoder(node_data, exclude_unset=True))
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node.updated()
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return node.__json__()
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@router.delete("/{node_id}",
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status_code=status.HTTP_204_NO_CONTENT)
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async def delete_router(node: Router = Depends(dep_node)):
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"""
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Delete a Dynamips router.
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"""
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await Dynamips.instance().delete_node(node.id)
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@router.post("/{node_id}/start",
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status_code=status.HTTP_204_NO_CONTENT)
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async def start_router(node: Router = Depends(dep_node)):
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"""
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Start a Dynamips router.
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"""
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try:
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await Dynamips.instance().ghost_ios_support(node)
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except GeneratorExit:
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pass
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await node.start()
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@router.post("/{node_id}/stop",
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status_code=status.HTTP_204_NO_CONTENT)
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async def stop_router(node: Router = Depends(dep_node)):
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"""
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Stop a Dynamips router.
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"""
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await node.stop()
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@router.post("/{node_id}/suspend",
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status_code=status.HTTP_204_NO_CONTENT)
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async def suspend_router(node: Router = Depends(dep_node)):
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await node.suspend()
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@router.post("/{node_id}/resume",
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status_code=status.HTTP_204_NO_CONTENT)
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async def resume_router(node: Router = Depends(dep_node)):
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"""
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Resume a suspended Dynamips router.
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"""
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await node.resume()
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@router.post("/{node_id}/reload",
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status_code=status.HTTP_204_NO_CONTENT)
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async def reload_router(node: Router = Depends(dep_node)):
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"""
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Reload a suspended Dynamips router.
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"""
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await node.reload()
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@router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio",
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status_code=status.HTTP_201_CREATED,
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response_model=schemas.UDPNIO)
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async def create_nio(adapter_number: int, port_number: int, nio_data: schemas.UDPNIO, node: Router = Depends(dep_node)):
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"""
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Add a NIO (Network Input/Output) to the node.
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"""
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nio = await Dynamips.instance().create_nio(node, jsonable_encoder(nio_data, exclude_unset=True))
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await node.slot_add_nio_binding(adapter_number, port_number, nio)
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return nio.__json__()
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@router.put("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio",
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status_code=status.HTTP_201_CREATED,
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response_model=schemas.UDPNIO)
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async def update_nio(adapter_number: int, port_number: int, nio_data: schemas.UDPNIO, node: Router = Depends(dep_node)):
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"""
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Update a NIO (Network Input/Output) on the node.
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"""
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nio = node.get_nio(adapter_number, port_number)
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if nio_data.filters:
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nio.filters = nio_data.filters
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await node.slot_update_nio_binding(adapter_number, port_number, nio)
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return nio.__json__()
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@router.delete("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio",
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status_code=status.HTTP_204_NO_CONTENT)
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async def delete_nio(adapter_number: int, port_number: int, node: Router = Depends(dep_node)):
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"""
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Delete a NIO (Network Input/Output) from the node.
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"""
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nio = await node.slot_remove_nio_binding(adapter_number, port_number)
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await nio.delete()
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@router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/start")
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async def start_capture(adapter_number: int,
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port_number: int,
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node_capture_data: schemas.NodeCapture,
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node: Router = Depends(dep_node)):
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"""
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Start a packet capture on the node.
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"""
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pcap_file_path = os.path.join(node.project.capture_working_directory(), node_capture_data.capture_file_name)
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if sys.platform.startswith('win'):
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# FIXME: Dynamips (Cygwin actually) doesn't like non ascii paths on Windows
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try:
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pcap_file_path.encode('ascii')
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except UnicodeEncodeError:
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raise DynamipsError(f"The capture file path '{pcap_file_path}' must only contain ASCII (English) characters")
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await node.start_capture(adapter_number, port_number, pcap_file_path, node_capture_data.data_link_type)
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return {"pcap_file_path": pcap_file_path}
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@router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stop",
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status_code=status.HTTP_204_NO_CONTENT)
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async def stop_capture(adapter_number: int, port_number: int, node: Router = Depends(dep_node)):
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"""
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Stop a packet capture on the node.
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"""
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await node.stop_capture(adapter_number, port_number)
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@router.get("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stream")
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async def stream_pcap_file(adapter_number: int, port_number: int, node: Router = Depends(dep_node)):
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"""
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Stream the pcap capture file.
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"""
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nio = node.get_nio(adapter_number, port_number)
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stream = Dynamips.instance().stream_pcap_file(nio, node.project.id)
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return StreamingResponse(stream, media_type="application/vnd.tcpdump.pcap")
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@router.get("/{node_id}/idlepc_proposals")
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async def get_idlepcs(node: Router = Depends(dep_node)) -> List[str]:
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"""
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Retrieve Dynamips idle-pc proposals
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"""
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await node.set_idlepc("0x0")
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return await node.get_idle_pc_prop()
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@router.get("/{node_id}/auto_idlepc")
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async def get_auto_idlepc(node: Router = Depends(dep_node)) -> dict:
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"""
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Get an automatically guessed best idle-pc value.
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"""
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idlepc = await Dynamips.instance().auto_idlepc(node)
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return {"idlepc": idlepc}
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@router.post("/{node_id}/duplicate",
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status_code=status.HTTP_201_CREATED)
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async def duplicate_router(destination_node_id: UUID, node: Router = Depends(dep_node)):
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"""
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Duplicate a router.
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"""
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new_node = await Dynamips.instance().duplicate_node(node.id, str(destination_node_id))
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return new_node.__json__()
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@router.websocket("/{node_id}/console/ws")
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async def console_ws(websocket: WebSocket, node: Router = Depends(dep_node)):
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"""
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Console WebSocket.
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"""
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await node.start_websocket_console(websocket)
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@router.post("/{node_id}/console/reset",
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status_code=status.HTTP_204_NO_CONTENT)
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async def reset_console(node: Router = Depends(dep_node)):
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await node.reset_console()
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