gns3-server/gns3server/endpoints/compute/docker_nodes.py
grossmj 359f9a7384 Move to version 3 of the REST API.
Rename packet capture endpoints.
2020-11-02 12:05:32 +10:30

321 lines
11 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 Docker 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 import schemas
from gns3server.compute.docker import Docker
from gns3server.compute.docker.docker_vm import DockerVM
router = APIRouter()
responses = {
404: {"model": schemas.ErrorMessage, "description": "Could not find project or Docker node"}
}
def dep_node(project_id: UUID, node_id: UUID):
"""
Dependency to retrieve a node.
"""
docker_manager = Docker.instance()
node = docker_manager.get_node(str(node_id), project_id=str(project_id))
return node
@router.post("",
response_model=schemas.Docker,
status_code=status.HTTP_201_CREATED,
responses={409: {"model": schemas.ErrorMessage, "description": "Could not create Docker node"}})
async def create_docker_node(project_id: UUID, node_data: schemas.DockerCreate):
"""
Create a new Docker node.
"""
docker_manager = Docker.instance()
node_data = jsonable_encoder(node_data, exclude_unset=True)
container = await docker_manager.create_node(node_data.pop("name"),
str(project_id),
node_data.get("node_id"),
image=node_data.pop("image"),
start_command=node_data.get("start_command"),
environment=node_data.get("environment"),
adapters=node_data.get("adapters"),
console=node_data.get("console"),
console_type=node_data.get("console_type"),
console_resolution=node_data.get("console_resolution", "1024x768"),
console_http_port=node_data.get("console_http_port", 80),
console_http_path=node_data.get("console_http_path", "/"),
aux=node_data.get("aux"),
aux_type=node_data.pop("aux_type", "none"),
extra_hosts=node_data.get("extra_hosts"),
extra_volumes=node_data.get("extra_volumes"),
memory=node_data.get("memory", 0),
cpus=node_data.get("cpus", 0))
for name, value in node_data.items():
if name != "node_id":
if hasattr(container, name) and getattr(container, name) != value:
setattr(container, name, value)
return container.__json__()
@router.get("/{node_id}",
response_model=schemas.Docker,
responses=responses)
def get_docker_node(node: DockerVM = Depends(dep_node)):
"""
Return a Docker node.
"""
return node.__json__()
@router.put("/{node_id}",
response_model=schemas.Docker,
responses=responses)
async def update_docker(node_data: schemas.DockerUpdate, node: DockerVM = Depends(dep_node)):
"""
Update a Docker node.
"""
props = [
"name", "console", "console_type", "aux", "aux_type", "console_resolution",
"console_http_port", "console_http_path", "start_command",
"environment", "adapters", "extra_hosts", "extra_volumes",
"memory", "cpus"
]
changed = False
node_data = jsonable_encoder(node_data, exclude_unset=True)
for prop in props:
if prop in node_data and node_data[prop] != getattr(node, prop):
setattr(node, prop, node_data[prop])
changed = True
# We don't call container.update for nothing because it will restart the container
if changed:
await node.update()
node.updated()
return node.__json__()
@router.post("/{node_id}/start",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def start_docker_node(node: DockerVM = Depends(dep_node)):
"""
Start a Docker node.
"""
await node.start()
@router.post("/{node_id}/stop",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def stop_docker_node(node: DockerVM = Depends(dep_node)):
"""
Stop a Docker node.
"""
await node.stop()
@router.post("/{node_id}/suspend",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def suspend_docker_node(node: DockerVM = Depends(dep_node)):
"""
Suspend a Docker node.
"""
await node.pause()
@router.post("/{node_id}/reload",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def reload_docker_node(node: DockerVM = Depends(dep_node)):
"""
Reload a Docker node.
"""
await node.restart()
@router.post("/{node_id}/pause",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def pause_docker_node(node: DockerVM = Depends(dep_node)):
"""
Pause a Docker node.
"""
await node.pause()
@router.post("/{node_id}/unpause",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def unpause_docker_node(node: DockerVM = Depends(dep_node)):
"""
Unpause a Docker node.
"""
await node.unpause()
@router.delete("/{node_id}",
status_code=status.HTTP_204_NO_CONTENT,
responses=responses)
async def delete_docker_node(node: DockerVM = Depends(dep_node)):
"""
Delete a Docker node.
"""
await node.delete()
@router.post("/{node_id}/duplicate",
response_model=schemas.Docker,
status_code=status.HTTP_201_CREATED,
responses=responses)
async def duplicate_docker_node(destination_node_id: UUID = Body(..., embed=True), node: DockerVM = Depends(dep_node)):
"""
Duplicate a Docker node.
"""
new_node = await Docker.instance().duplicate_node(node.id, str(destination_node_id))
return new_node.__json__()
@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: DockerVM = Depends(dep_node)):
"""
Add a NIO (Network Input/Output) to the node.
The port number on the Docker node is always 0.
"""
nio = Docker.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: DockerVM = Depends(dep_node)):
"""
Update a NIO (Network Input/Output) on the node.
The port number on the Docker node is always 0.
"""
nio = node.get_nio(adapter_number)
if nio_data.filters:
nio.filters = nio_data.filters
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: DockerVM = Depends(dep_node)):
"""
Delete a NIO (Network Input/Output) from the node.
The port number on the Docker 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: DockerVM = Depends(dep_node)):
"""
Start a packet capture on the node.
The port number on the Docker 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: DockerVM = Depends(dep_node)):
"""
Stop a packet capture on the node.
The port number on the Docker 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: DockerVM = Depends(dep_node)):
"""
Stream the pcap capture file.
The port number on the Docker node is always 0.
"""
nio = node.get_nio(adapter_number)
stream = Docker.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: DockerVM = 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: DockerVM = Depends(dep_node)):
await node.reset_console()