# -*- coding: utf-8 -*- # # Copyright (C) 2020 GNS3 Technologies Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . """ API routes for Qemu nodes. """ import os import sys from fastapi import APIRouter, WebSocket, Depends, Body, status from fastapi.encoders import jsonable_encoder from fastapi.responses import StreamingResponse from uuid import UUID from gns3server import schemas from gns3server.compute.project_manager import ProjectManager from gns3server.compute.qemu import Qemu from gns3server.compute.qemu.qemu_vm import QemuVM router = APIRouter() responses = { 404: {"model": schemas.ErrorMessage, "description": "Could not find project or Qemu node"} } def dep_node(project_id: UUID, node_id: UUID): """ Dependency to retrieve a node. """ qemu_manager = Qemu.instance() node = qemu_manager.get_node(str(node_id), project_id=str(project_id)) return node @router.post("", response_model=schemas.Qemu, status_code=status.HTTP_201_CREATED, responses={409: {"model": schemas.ErrorMessage, "description": "Could not create Qemu node"}}) async def create_qemu_node(project_id: UUID, node_data: schemas.QemuCreate): """ Create a new Qemu node. """ qemu = Qemu.instance() node_data = jsonable_encoder(node_data, exclude_unset=True) vm = await qemu.create_node(node_data.pop("name"), str(project_id), node_data.pop("node_id", None), linked_clone=node_data.get("linked_clone", True), qemu_path=node_data.pop("qemu_path", None), console=node_data.pop("console", None), console_type=node_data.pop("console_type", "telnet"), aux=node_data.get("aux"), aux_type=node_data.pop("aux_type", "none"), platform=node_data.pop("platform", None)) for name, value in node_data.items(): if hasattr(vm, name) and getattr(vm, name) != value: setattr(vm, name, value) return vm.__json__() @router.get("/{node_id}", response_model=schemas.Qemu, responses=responses) def get_qemu_node(node: QemuVM = Depends(dep_node)): """ Return a Qemu node. """ return node.__json__() @router.put("/{node_id}", response_model=schemas.Qemu, responses=responses) async def update_qemu_node(node_data: schemas.QemuUpdate, node: QemuVM = Depends(dep_node)): """ Update a Qemu node. """ node_data = jsonable_encoder(node_data, exclude_unset=True) # update the console first to avoid issue if updating console type node.console = node_data.pop("console", node.console) for name, value in node_data.items(): if hasattr(node, name) and getattr(node, name) != value: await node.update_property(name, value) node.updated() return node.__json__() @router.delete("/{node_id}", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def delete_qemu_node(node: QemuVM = Depends(dep_node)): """ Delete a Qemu node. """ await Qemu.instance().delete_node(node.id) @router.post("/{node_id}/duplicate", response_model=schemas.Qemu, status_code=status.HTTP_201_CREATED, responses=responses) async def duplicate_qemu_node(destination_node_id: UUID = Body(..., embed=True), node: QemuVM = Depends(dep_node)): """ Duplicate a Qemu node. """ new_node = await Qemu.instance().duplicate_node(node.id, str(destination_node_id)) return new_node.__json__() @router.post("/{node_id}/resize_disk", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def resize_qemu_node_disk(node_data: schemas.QemuDiskResize, node: QemuVM = Depends(dep_node)): await node.resize_disk(node_data.drive_name, node_data.extend) @router.post("/{node_id}/start", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def start_qemu_node(node: QemuVM = Depends(dep_node)): """ Start a Qemu node. """ qemu_manager = Qemu.instance() hardware_accel = qemu_manager.config.get_section_config("Qemu").getboolean("enable_hardware_acceleration", True) if sys.platform.startswith("linux"): # the enable_kvm option was used before version 2.0 and has priority enable_kvm = qemu_manager.config.get_section_config("Qemu").getboolean("enable_kvm") if enable_kvm is not None: hardware_accel = enable_kvm if hardware_accel and "-no-kvm" not in node.options and "-no-hax" not in node.options: pm = ProjectManager.instance() if pm.check_hardware_virtualization(node) is False: pass #FIXME: check this #raise ComputeError("Cannot start VM with hardware acceleration (KVM/HAX) enabled because hardware virtualization (VT-x/AMD-V) is already used by another software like VMware or VirtualBox") await node.start() @router.post("/{node_id}/stop", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def stop_qemu_node(node: QemuVM = Depends(dep_node)): """ Stop a Qemu node. """ await node.stop() @router.post("/{node_id}/reload", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def reload_qemu_node(node: QemuVM = Depends(dep_node)): """ Reload a Qemu node. """ await node.reload() @router.post("/{node_id}/suspend", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def suspend_qemu_node(node: QemuVM = Depends(dep_node)): """ Suspend a Qemu node. """ await node.suspend() @router.post("/{node_id}/resume", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def resume_qemu_node(node: QemuVM = Depends(dep_node)): """ Resume a Qemu node. """ await node.resume() @router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio", status_code=status.HTTP_201_CREATED, response_model=schemas.UDPNIO, responses=responses) async def create_nio(adapter_number: int, port_number: int, nio_data: schemas.UDPNIO, node: QemuVM = Depends(dep_node)): """ Add a NIO (Network Input/Output) to the node. The port number on the Qemu node is always 0. """ nio = Qemu.instance().create_nio(jsonable_encoder(nio_data, exclude_unset=True)) await node.adapter_add_nio_binding(adapter_number, nio) return nio.__json__() @router.put("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio", status_code=status.HTTP_201_CREATED, response_model=schemas.UDPNIO, responses=responses) async def update_nio(adapter_number: int, port_number: int, nio_data: schemas.UDPNIO, node: QemuVM = Depends(dep_node)): """ Update a NIO (Network Input/Output) on the node. The port number on the Qemu node is always 0. """ nio = node.get_nio(adapter_number) if nio_data.filters: nio.filters = nio_data.filters if nio_data.suspend: nio.suspend = nio_data.suspend await node.adapter_update_nio_binding(adapter_number, nio) return nio.__json__() @router.delete("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def delete_nio(adapter_number: int, port_number: int, node: QemuVM = Depends(dep_node)): """ Delete a NIO (Network Input/Output) from the node. The port number on the Qemu node is always 0. """ await node.adapter_remove_nio_binding(adapter_number) @router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/start", responses=responses) async def start_capture(adapter_number: int, port_number: int, node_capture_data: schemas.NodeCapture, node: QemuVM = Depends(dep_node)): """ Start a packet capture on the node. The port number on the Qemu node is always 0. """ pcap_file_path = os.path.join(node.project.capture_working_directory(), node_capture_data.capture_file_name) await node.start_capture(adapter_number, pcap_file_path) return {"pcap_file_path": str(pcap_file_path)} @router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stop", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def stop_capture(adapter_number: int, port_number: int, node: QemuVM = Depends(dep_node)): """ Stop a packet capture on the node. The port number on the Qemu node is always 0. """ await node.stop_capture(adapter_number) @router.get("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stream", responses=responses) async def stream_pcap_file(adapter_number: int, port_number: int, node: QemuVM = Depends(dep_node)): """ Stream the pcap capture file. The port number on the Qemu node is always 0. """ nio = node.get_nio(adapter_number) stream = Qemu.instance().stream_pcap_file(nio, node.project.id) return StreamingResponse(stream, media_type="application/vnd.tcpdump.pcap") @router.websocket("/{node_id}/console/ws") async def console_ws(websocket: WebSocket, node: QemuVM = Depends(dep_node)): """ Console WebSocket. """ await node.start_websocket_console(websocket) @router.post("/{node_id}/console/reset", status_code=status.HTTP_204_NO_CONTENT, responses=responses) async def reset_console(node: QemuVM = Depends(dep_node)): await node.reset_console()