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gns3-server/gns3server/endpoints/compute/ethernet_hub_nodes.py
2020-10-19 15:00:41 +10:30

229 lines
7.5 KiB
Python

# -*- 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 <http://www.gnu.org/licenses/>.
"""
API endpoints for Ethernet hub nodes.
"""
import os
from fastapi import APIRouter, Depends, Body, status
from fastapi.encoders import jsonable_encoder
from fastapi.responses import StreamingResponse
from uuid import UUID
from gns3server.compute.dynamips import Dynamips
from gns3server.compute.dynamips.nodes.ethernet_hub import EthernetHub
from gns3server.endpoints import schemas
router = APIRouter()
responses = {
404: {"model": schemas.ErrorMessage, "description": "Could not find project or Ethernet hub node"}
}
def dep_node(project_id: UUID, node_id: UUID):
"""
Dependency to retrieve a node.
"""
dynamips_manager = Dynamips.instance()
node = dynamips_manager.get_node(str(node_id), project_id=str(project_id))
return node
@router.post("",
response_model=schemas.EthernetHub,
status_code=status.HTTP_201_CREATED,
responses={409: {"model": schemas.ErrorMessage, "description": "Could not create Ethernet hub node"}})
async def create_ethernet_hub(project_id: UUID, node_data: schemas.EthernetHubCreate):
"""
Create a new Ethernet hub.
"""
# Use the Dynamips Ethernet hub to simulate this node
dynamips_manager = Dynamips.instance()
node_data = jsonable_encoder(node_data, exclude_unset=True)
node = await dynamips_manager.create_node(node_data.pop("name"),
str(project_id),
node_data.get("node_id"),
node_type="ethernet_hub",
ports=node_data.get("ports_mapping"))
return node.__json__()
@router.get("/{node_id}",
response_model=schemas.EthernetHub,
responses=responses)
def get_ethernet_hub(node: EthernetHub = Depends(dep_node)):
"""
Return an Ethernet hub.
"""
return node.__json__()
@router.post("/{node_id}/duplicate",
response_model=schemas.EthernetHub,
status_code=status.HTTP_201_CREATED,
responses=responses)
async def duplicate_ethernet_hub(destination_node_id: UUID = Body(..., embed=True),
node: EthernetHub = Depends(dep_node)):
"""
Duplicate an Ethernet hub.
"""
new_node = await Dynamips.instance().duplicate_node(node.id, str(destination_node_id))
return new_node.__json__()
@router.put("/{node_id}",
response_model=schemas.EthernetHub,
responses=responses)
async def update_ethernet_hub(node_data: schemas.EthernetHubUpdate, node: EthernetHub = Depends(dep_node)):
"""
Update an Ethernet hub.
"""
node_data = jsonable_encoder(node_data, exclude_unset=True)
if "name" in node_data and node.name != node_data["name"]:
await node.set_name(node_data["name"])
if "ports_mapping" in node_data:
node.ports_mapping = node_data["ports_mapping"]
node.updated()
return node.__json__()
@router.delete("/{node_id}",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def delete_ethernet_hub(node: EthernetHub = Depends(dep_node)):
"""
Delete an Ethernet hub.
"""
await Dynamips.instance().delete_node(node.id)
@router.post("/{node_id}/start",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
def start_ethernet_hub(node: EthernetHub = Depends(dep_node)):
"""
Start an Ethernet hub.
This endpoint results in no action since Ethernet hub nodes are always on.
"""
pass
@router.post("/{node_id}/stop",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
def stop_ethernet_hub(node: EthernetHub = Depends(dep_node)):
"""
Stop an Ethernet hub.
This endpoint results in no action since Ethernet hub nodes are always on.
"""
pass
@router.post("/{node_id}/suspend",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
def suspend_ethernet_hub(node: EthernetHub = Depends(dep_node)):
"""
Suspend an Ethernet hub.
This endpoint results in no action since Ethernet hub nodes are always on.
"""
pass
@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: EthernetHub = Depends(dep_node)):
"""
Add a NIO (Network Input/Output) to the node.
The adapter number on the hub is always 0.
"""
nio = await Dynamips.instance().create_nio(node, jsonable_encoder(nio_data, exclude_unset=True))
await node.add_nio(nio, port_number)
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: EthernetHub = Depends(dep_node)):
"""
Delete a NIO (Network Input/Output) from the node.
The adapter number on the hub is always 0.
"""
nio = await node.remove_nio(port_number)
await nio.delete()
@router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/start_capture",
responses=responses)
async def start_capture(adapter_number: int,
port_number: int,
node_capture_data: schemas.NodeCapture,
node: EthernetHub = Depends(dep_node)):
"""
Start a packet capture on the node.
The adapter number on the hub is always 0.
"""
pcap_file_path = os.path.join(node.project.capture_working_directory(), node_capture_data.capture_file_name)
await node.start_capture(port_number, pcap_file_path, node_capture_data.data_link_type)
return {"pcap_file_path": pcap_file_path}
@router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/stop_capture",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def stop_capture(adapter_number: int, port_number: int, node: EthernetHub = Depends(dep_node)):
"""
Stop a packet capture on the node.
The adapter number on the hub is always 0.
"""
await node.stop_capture(port_number)
@router.get("/{node_id}/adapters/{adapter_number}/ports/{port_number}/pcap",
responses=responses)
async def stream_pcap_file(adapter_number: int, port_number: int, node: EthernetHub = Depends(dep_node)):
"""
Stream the pcap capture file.
The adapter number on the hub is always 0.
"""
nio = node.get_nio(port_number)
stream = Dynamips.instance().stream_pcap_file(nio, node.project.id)
return StreamingResponse(stream, media_type="application/vnd.tcpdump.pcap")