# -*- 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 VPCS nodes.
"""
import os
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.endpoints import schemas
from gns3server.compute.vpcs import VPCS
from gns3server.compute.vpcs.vpcs_vm import VPCSVM
router = APIRouter()
responses = {
404: {"model": schemas.ErrorMessage, "description": "Could not find project or VMware node"}
}
def dep_node(project_id: UUID, node_id: UUID):
"""
Dependency to retrieve a node.
"""
vpcs_manager = VPCS.instance()
node = vpcs_manager.get_node(str(node_id), project_id=str(project_id))
return node
@router.post("",
response_model=schemas.VPCS,
status_code=status.HTTP_201_CREATED,
responses={409: {"model": schemas.ErrorMessage, "description": "Could not create VMware node"}})
async def create_vpcs_node(project_id: UUID, node_data: schemas.VPCSCreate):
"""
Create a new VPCS node.
"""
vpcs = VPCS.instance()
node_data = jsonable_encoder(node_data, exclude_unset=True)
vm = await vpcs.create_node(node_data["name"],
str(project_id),
node_data.get("node_id"),
console=node_data.get("console"),
console_type=node_data.get("console_type", "telnet"),
startup_script=node_data.get("startup_script"))
return vm.__json__()
@router.get("/{node_id}",
response_model=schemas.VPCS,
responses=responses)
def get_vpcs_node(node: VPCSVM = Depends(dep_node)):
"""
Return a VPCS node.
"""
return node.__json__()
@router.put("/{node_id}",
response_model=schemas.VPCS,
responses=responses)
def update_vpcs_node(node_data: schemas.VPCSUpdate, node: VPCSVM = Depends(dep_node)):
"""
Update a VPCS node.
"""
node_data = jsonable_encoder(node_data, exclude_unset=True)
node.name = node_data.get("name", node.name)
node.console = node_data.get("console", node.console)
node.console_type = node_data.get("console_type", node.console_type)
node.updated()
return node.__json__()
@router.delete("/{node_id}",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def delete_vpcs_node(node: VPCSVM = Depends(dep_node)):
"""
Delete a VPCS node.
"""
await VPCS.instance().delete_node(node.id)
@router.post("/{node_id}/duplicate",
response_model=schemas.VPCS,
status_code=status.HTTP_201_CREATED,
responses=responses)
async def duplicate_vpcs_node(destination_node_id: UUID = Body(..., embed=True), node: VPCSVM = Depends(dep_node)):
"""
Duplicate a VPCS node.
"""
new_node = await VPCS.instance().duplicate_node(node.id, str(destination_node_id))
return new_node.__json__()
@router.post("/{node_id}/start",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def start_vpcs_node(node: VPCSVM = Depends(dep_node)):
"""
Start a VPCS node.
"""
await node.start()
@router.post("/{node_id}/stop",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def stop_vpcs_node(node: VPCSVM = Depends(dep_node)):
"""
Stop a VPCS node.
"""
await node.stop()
@router.post("/{node_id}/suspend",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def suspend_vpcs_node(node: VPCSVM = Depends(dep_node)):
"""
Suspend a VPCS node.
Does nothing, suspend is not supported by VPCS.
"""
pass
@router.post("/{node_id}/reload",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def reload_vpcs_node(node: VPCSVM = Depends(dep_node)):
"""
Reload a VPCS node.
"""
await node.reload()
@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: VPCSVM = Depends(dep_node)):
"""
Add a NIO (Network Input/Output) to the node.
The adapter number on the VPCS node is always 0.
"""
nio = VPCS.instance().create_nio(jsonable_encoder(nio_data, exclude_unset=True))
await node.port_add_nio_binding(port_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: VPCSVM = Depends(dep_node)):
"""
Update a NIO (Network Input/Output) on the node.
The adapter number on the VPCS node is always 0.
"""
nio = node.get_nio(port_number)
if nio_data.filters:
nio.filters = nio_data.filters
await node.port_update_nio_binding(port_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: VPCSVM = Depends(dep_node)):
"""
Delete a NIO (Network Input/Output) from the node.
The adapter number on the VPCS node is always 0.
"""
await node.port_remove_nio_binding(port_number)
@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: VPCSVM = Depends(dep_node)):
"""
Start a packet capture on the node.
The adapter number on the VPCS 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": 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: VPCSVM = Depends(dep_node)):
"""
Stop a packet capture on the node.
The adapter number on the VPCS node is always 0.
"""
await node.stop_capture(port_number)
@router.post("/{node_id}/console/reset",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def reset_console(node: VPCSVM = Depends(dep_node)):
await node.reset_console()
@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: VPCSVM = Depends(dep_node)):
"""
Stream the pcap capture file.
The adapter number on the VPCS node is always 0.
"""
nio = node.get_nio(port_number)
stream = VPCS.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: VPCSVM = Depends(dep_node)):
"""
Console WebSocket.
"""
await node.start_websocket_console(websocket)