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gns3-server/gns3server/api/routes/compute/iou_nodes.py

285 lines
9.2 KiB
Python

#
# 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 <http://www.gnu.org/licenses/>.
"""
API routes for IOU nodes.
"""
import os
from fastapi import APIRouter, WebSocket, Depends, Body, status
from fastapi.encoders import jsonable_encoder
from fastapi.responses import StreamingResponse
from typing import Union
from uuid import UUID
from gns3server import schemas
from gns3server.compute.iou import IOU
from gns3server.compute.iou.iou_vm import IOUVM
responses = {404: {"model": schemas.ErrorMessage, "description": "Could not find project or IOU node"}}
router = APIRouter(responses=responses)
def dep_node(project_id: UUID, node_id: UUID) -> IOUVM:
"""
Dependency to retrieve a node.
"""
iou_manager = IOU.instance()
node = iou_manager.get_node(str(node_id), project_id=str(project_id))
return node
@router.post(
"",
response_model=schemas.IOU,
status_code=status.HTTP_201_CREATED,
responses={409: {"model": schemas.ErrorMessage, "description": "Could not create IOU node"}},
)
async def create_iou_node(project_id: UUID, node_data: schemas.IOUCreate) -> schemas.IOU:
"""
Create a new IOU node.
"""
iou = IOU.instance()
node_data = jsonable_encoder(node_data, exclude_unset=True)
vm = await iou.create_node(
node_data.pop("name"),
str(project_id),
node_data.get("node_id"),
application_id=node_data.get("application_id"),
path=node_data.get("path"),
console=node_data.get("console"),
console_type=node_data.get("console_type", "telnet"),
)
for name, value in node_data.items():
if hasattr(vm, name) and getattr(vm, name) != value:
if name == "application_id":
continue # we must ignore this to avoid overwriting the application_id allocated by the controller
if name == "startup_config_content" and (vm.startup_config_content and len(vm.startup_config_content) > 0):
continue
if name == "private_config_content" and (vm.private_config_content and len(vm.private_config_content) > 0):
continue
if node_data.get("use_default_iou_values") and (name == "ram" or name == "nvram"):
continue
setattr(vm, name, value)
return vm.asdict()
@router.get("/{node_id}", response_model=schemas.IOU)
def get_iou_node(node: IOUVM = Depends(dep_node)) -> schemas.IOU:
"""
Return an IOU node.
"""
return node.asdict()
@router.put("/{node_id}", response_model=schemas.IOU)
async def update_iou_node(node_data: schemas.IOUUpdate, node: IOUVM = Depends(dep_node)) -> schemas.IOU:
"""
Update an IOU node.
"""
node_data = jsonable_encoder(node_data, exclude_unset=True)
for name, value in node_data.items():
if hasattr(node, name) and getattr(node, name) != value:
if name == "application_id":
continue # we must ignore this to avoid overwriting the application_id allocated by the IOU manager
setattr(node, name, value)
if node.use_default_iou_values:
# update the default IOU values in case the image or use_default_iou_values have changed
# this is important to have the correct NVRAM amount in order to correctly push the configs to the NVRAM
await node.update_default_iou_values()
node.updated()
return node.asdict()
@router.delete("/{node_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_iou_node(node: IOUVM = Depends(dep_node)) -> None:
"""
Delete an IOU node.
"""
await IOU.instance().delete_node(node.id)
@router.post("/{node_id}/duplicate", response_model=schemas.IOU, status_code=status.HTTP_201_CREATED)
async def duplicate_iou_node(
destination_node_id: UUID = Body(..., embed=True),
node: IOUVM = Depends(dep_node)
) -> schemas.IOU:
"""
Duplicate an IOU node.
"""
new_node = await IOU.instance().duplicate_node(node.id, str(destination_node_id))
return new_node.asdict()
@router.post("/{node_id}/start", status_code=status.HTTP_204_NO_CONTENT)
async def start_iou_node(start_data: schemas.IOUStart, node: IOUVM = Depends(dep_node)) -> None:
"""
Start an IOU node.
"""
start_data = jsonable_encoder(start_data, exclude_unset=True)
for name, value in start_data.items():
if hasattr(node, name) and getattr(node, name) != value:
setattr(node, name, value)
await node.start()
@router.post("/{node_id}/stop", status_code=status.HTTP_204_NO_CONTENT)
async def stop_iou_node(node: IOUVM = Depends(dep_node)) -> None:
"""
Stop an IOU node.
"""
await node.stop()
@router.post("/{node_id}/stop", status_code=status.HTTP_204_NO_CONTENT)
def suspend_iou_node(node: IOUVM = Depends(dep_node)) -> None:
"""
Suspend an IOU node.
Does nothing since IOU doesn't support being suspended.
"""
pass
@router.post("/{node_id}/reload", status_code=status.HTTP_204_NO_CONTENT)
async def reload_iou_node(node: IOUVM = Depends(dep_node)) -> None:
"""
Reload an IOU node.
"""
await node.reload()
@router.post(
"/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio",
status_code=status.HTTP_201_CREATED,
response_model=Union[schemas.EthernetNIO, schemas.TAPNIO, schemas.UDPNIO],
)
async def create_iou_node_nio(
adapter_number: int,
port_number: int,
nio_data: Union[schemas.EthernetNIO, schemas.TAPNIO, schemas.UDPNIO],
node: IOUVM = Depends(dep_node),
) -> Union[schemas.EthernetNIO, schemas.TAPNIO, schemas.UDPNIO]:
"""
Add a NIO (Network Input/Output) to the node.
"""
nio = IOU.instance().create_nio(jsonable_encoder(nio_data, exclude_unset=True))
await node.adapter_add_nio_binding(adapter_number, port_number, nio)
return nio.asdict()
@router.put(
"/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio",
status_code=status.HTTP_201_CREATED,
response_model=Union[schemas.EthernetNIO, schemas.TAPNIO, schemas.UDPNIO],
)
async def update_iou_node_nio(
adapter_number: int,
port_number: int,
nio_data: Union[schemas.EthernetNIO, schemas.TAPNIO, schemas.UDPNIO],
node: IOUVM = Depends(dep_node),
) -> Union[schemas.EthernetNIO, schemas.TAPNIO, schemas.UDPNIO]:
"""
Update a NIO (Network Input/Output) on the node.
"""
nio = node.get_nio(adapter_number, port_number)
if nio_data.filters:
nio.filters = nio_data.filters
await node.adapter_update_nio_binding(adapter_number, port_number, nio)
return nio.asdict()
@router.delete("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio", status_code=status.HTTP_204_NO_CONTENT)
async def delete_iou_node_nio(adapter_number: int, port_number: int, node: IOUVM = Depends(dep_node)) -> None:
"""
Delete a NIO (Network Input/Output) from the node.
"""
await node.adapter_remove_nio_binding(adapter_number, port_number)
@router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/start")
async def start_iou_node_capture(
adapter_number: int,
port_number: int,
node_capture_data: schemas.NodeCapture,
node: IOUVM = Depends(dep_node)
) -> dict:
"""
Start a packet capture on the node.
"""
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
)
async def stop_iou_node_capture(adapter_number: int, port_number: int, node: IOUVM = Depends(dep_node)) -> None:
"""
Stop a packet capture on the node.
"""
await node.stop_capture(adapter_number, port_number)
@router.get("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stream")
async def stream_pcap_file(
adapter_number: int,
port_number: int,
node: IOUVM = Depends(dep_node)
) -> StreamingResponse:
"""
Stream the pcap capture file.
"""
nio = node.get_nio(adapter_number, port_number)
stream = IOU.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: IOUVM = Depends(dep_node)) -> None:
"""
Console WebSocket.
"""
await node.start_websocket_console(websocket)
@router.post("/{node_id}/console/reset", status_code=status.HTTP_204_NO_CONTENT)
async def reset_console(node: IOUVM = Depends(dep_node)) -> None:
await node.reset_console()