mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-01 20:58:12 +00:00
320 lines
10 KiB
Python
320 lines
10 KiB
Python
#
|
|
# Copyright (C) 2015 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/>.
|
|
|
|
import asyncio
|
|
import signal
|
|
import os
|
|
|
|
from fastapi import APIRouter, Request, Depends, WebSocket, WebSocketDisconnect, status
|
|
from fastapi.responses import StreamingResponse
|
|
from fastapi.encoders import jsonable_encoder
|
|
from fastapi.routing import Mount
|
|
from websockets.exceptions import ConnectionClosed, WebSocketException
|
|
|
|
from typing import List
|
|
|
|
from gns3server.config import Config
|
|
from gns3server.controller import Controller
|
|
from gns3server.version import __version__
|
|
from gns3server.controller.controller_error import ControllerError, ControllerForbiddenError
|
|
from gns3server import schemas
|
|
|
|
from .dependencies.authentication import get_current_active_user, get_current_active_user_from_websocket
|
|
|
|
import logging
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
router = APIRouter()
|
|
|
|
|
|
@router.get(
|
|
"/version",
|
|
response_model=schemas.Version,
|
|
)
|
|
def get_version(request: Request) -> dict:
|
|
"""
|
|
Return the server version number.
|
|
"""
|
|
|
|
# retrieve the controller host information from the mounted
|
|
# compute subapp
|
|
controller_host = None
|
|
for route in request.app.routes:
|
|
if isinstance(route, Mount) and route.name == "compute":
|
|
controller_host = route.app.state.controller_host
|
|
|
|
local_server = Config.instance().settings.Server.local
|
|
return {
|
|
"controller_host": controller_host,
|
|
"version": __version__,
|
|
"local": local_server
|
|
}
|
|
|
|
|
|
@router.post(
|
|
"/version",
|
|
response_model=schemas.Version,
|
|
response_model_exclude_defaults=True,
|
|
responses={409: {"model": schemas.ErrorMessage, "description": "Invalid version"}},
|
|
)
|
|
def check_version(version: schemas.Version) -> dict:
|
|
"""
|
|
Check if version is the same as the server.
|
|
"""
|
|
|
|
if version.version != __version__:
|
|
raise ControllerError(f"Client version {version.version} is not the same as server version {__version__}")
|
|
return {"version": __version__}
|
|
|
|
|
|
@router.post(
|
|
"/reload",
|
|
dependencies=[Depends(get_current_active_user)],
|
|
status_code=status.HTTP_204_NO_CONTENT,
|
|
)
|
|
async def reload() -> None:
|
|
"""
|
|
Reload the controller
|
|
"""
|
|
|
|
await Controller.instance().reload()
|
|
|
|
|
|
@router.post(
|
|
"/shutdown",
|
|
dependencies=[Depends(get_current_active_user)],
|
|
status_code=status.HTTP_204_NO_CONTENT,
|
|
responses={403: {"model": schemas.ErrorMessage, "description": "Server shutdown not allowed"}},
|
|
)
|
|
async def shutdown() -> None:
|
|
"""
|
|
Shutdown the server
|
|
"""
|
|
|
|
if Config.instance().settings.Server.local is False:
|
|
raise ControllerForbiddenError("You can only stop a local server")
|
|
|
|
log.info("Start shutting down the server")
|
|
# close all the projects first
|
|
controller = Controller.instance()
|
|
projects = controller.projects.values()
|
|
|
|
tasks = []
|
|
for project in projects:
|
|
tasks.append(asyncio.ensure_future(project.close()))
|
|
|
|
if tasks:
|
|
done, _ = await asyncio.wait(tasks)
|
|
for future in done:
|
|
try:
|
|
future.result()
|
|
except Exception as e:
|
|
log.error(f"Could not close project: {e}", exc_info=1)
|
|
continue
|
|
|
|
# then shutdown the server itself
|
|
os.kill(os.getpid(), signal.SIGTERM)
|
|
|
|
|
|
@router.get(
|
|
"/iou_license",
|
|
dependencies=[Depends(get_current_active_user)],
|
|
response_model=schemas.IOULicense
|
|
)
|
|
def get_iou_license() -> schemas.IOULicense:
|
|
"""
|
|
Return the IOU license settings
|
|
"""
|
|
|
|
return Controller.instance().iou_license
|
|
|
|
|
|
@router.put(
|
|
"/iou_license",
|
|
dependencies=[Depends(get_current_active_user)],
|
|
status_code=status.HTTP_201_CREATED,
|
|
response_model=schemas.IOULicense
|
|
)
|
|
async def update_iou_license(iou_license: schemas.IOULicense) -> schemas.IOULicense:
|
|
"""
|
|
Update the IOU license settings.
|
|
"""
|
|
|
|
controller = Controller().instance()
|
|
current_iou_license = controller.iou_license
|
|
current_iou_license.update(jsonable_encoder(iou_license))
|
|
controller.save()
|
|
return current_iou_license
|
|
|
|
|
|
@router.get("/statistics", dependencies=[Depends(get_current_active_user)])
|
|
async def statistics() -> List[dict]:
|
|
"""
|
|
Return server statistics.
|
|
"""
|
|
|
|
compute_statistics = []
|
|
for compute in list(Controller.instance().computes.values()):
|
|
try:
|
|
r = await compute.get("/statistics")
|
|
compute_statistics.append({"compute_id": compute.id, "compute_name": compute.name, "statistics": r.json})
|
|
except ControllerError as e:
|
|
log.error(f"Could not retrieve statistics on compute {compute.name}: {e}")
|
|
return compute_statistics
|
|
|
|
|
|
@router.get("/notifications", dependencies=[Depends(get_current_active_user)])
|
|
async def controller_http_notifications(request: Request) -> StreamingResponse:
|
|
"""
|
|
Receive controller notifications about the controller from HTTP stream.
|
|
"""
|
|
|
|
from gns3server.api.server import app
|
|
log.info(f"New client {request.client.host}:{request.client.port} has connected to controller HTTP "
|
|
f"notification stream")
|
|
|
|
async def event_stream():
|
|
try:
|
|
with Controller.instance().notification.controller_queue() as queue:
|
|
while not app.state.exiting:
|
|
msg = await queue.get_json(5)
|
|
yield f"{msg}\n".encode("utf-8")
|
|
finally:
|
|
log.info(f"Client {request.client.host}:{request.client.port} has disconnected from controller HTTP "
|
|
f"notification stream")
|
|
return StreamingResponse(event_stream(), media_type="application/json")
|
|
|
|
|
|
@router.websocket("/notifications/ws")
|
|
async def controller_ws_notifications(
|
|
websocket: WebSocket,
|
|
current_user: schemas.User = Depends(get_current_active_user_from_websocket)
|
|
) -> None:
|
|
"""
|
|
Receive project notifications about the controller from WebSocket.
|
|
"""
|
|
|
|
if current_user is None:
|
|
return
|
|
|
|
log.info(f"New client {websocket.client.host}:{websocket.client.port} has connected to controller WebSocket")
|
|
try:
|
|
with Controller.instance().notification.controller_queue() as queue:
|
|
while True:
|
|
notification = await queue.get_json(5)
|
|
await websocket.send_text(notification)
|
|
except (ConnectionClosed, WebSocketDisconnect):
|
|
log.info(f"Client {websocket.client.host}:{websocket.client.port} has disconnected from controller WebSocket")
|
|
except WebSocketException as e:
|
|
log.warning(f"Error while sending to controller event to WebSocket client: {e}")
|
|
|
|
|
|
# @Route.post(
|
|
# r"/debug",
|
|
# description="Dump debug information to disk (debug directory in config directory). Work only for local server",
|
|
# status_codes={
|
|
# 201: "Written"
|
|
# })
|
|
# async def debug(request, response):
|
|
#
|
|
# config = Config.instance()
|
|
# if config.get_section_config("Server").getboolean("local", False) is False:
|
|
# raise ControllerForbiddenError("You can only debug a local server")
|
|
#
|
|
# debug_dir = os.path.join(config.config_dir, "debug")
|
|
# try:
|
|
# if os.path.exists(debug_dir):
|
|
# shutil.rmtree(debug_dir)
|
|
# os.makedirs(debug_dir)
|
|
# with open(os.path.join(debug_dir, "controller.txt"), "w+") as f:
|
|
# f.write(ServerHandler._getDebugData())
|
|
# except Exception as e:
|
|
# # If something is wrong we log the info to the log and we hope the log will be include correctly to the debug export
|
|
# log.error("Could not export debug information {}".format(e), exc_info=1)
|
|
#
|
|
# try:
|
|
# if Controller.instance().gns3vm.engine == "vmware":
|
|
# vmx_path = Controller.instance().gns3vm.current_engine().vmx_path
|
|
# if vmx_path:
|
|
# shutil.copy(vmx_path, os.path.join(debug_dir, os.path.basename(vmx_path)))
|
|
# except OSError as e:
|
|
# # If something is wrong we log the info to the log and we hope the log will be include correctly to the debug export
|
|
# log.error("Could not copy VMware VMX file {}".format(e), exc_info=1)
|
|
#
|
|
# for compute in list(Controller.instance().computes.values()):
|
|
# try:
|
|
# r = await compute.get("/debug", raw=True)
|
|
# data = r.body.decode("utf-8")
|
|
# except Exception as e:
|
|
# data = str(e)
|
|
# with open(os.path.join(debug_dir, "compute_{}.txt".format(compute.id)), "w+") as f:
|
|
# f.write("Compute ID: {}\n".format(compute.id))
|
|
# f.write(data)
|
|
#
|
|
# response.set_status(201)
|
|
#
|
|
# @staticmethod
|
|
# def _getDebugData():
|
|
# try:
|
|
# connections = psutil.net_connections()
|
|
# # You need to be root for OSX
|
|
# except psutil.AccessDenied:
|
|
# connections = None
|
|
#
|
|
# try:
|
|
# addrs = ["* {}: {}".format(key, val) for key, val in psutil.net_if_addrs().items()]
|
|
# except UnicodeDecodeError:
|
|
# addrs = ["INVALID ADDR WITH UNICODE CHARACTERS"]
|
|
#
|
|
# data = """Version: {version}
|
|
# OS: {os}
|
|
# Python: {python}
|
|
# CPU: {cpu}
|
|
# Memory: {memory}
|
|
#
|
|
# Networks:
|
|
# {addrs}
|
|
#
|
|
# Open connections:
|
|
# {connections}
|
|
#
|
|
# Processus:
|
|
# """.format(
|
|
# version=__version__,
|
|
# os=platform.platform(),
|
|
# python=platform.python_version(),
|
|
# memory=psutil.virtual_memory(),
|
|
# cpu=psutil.cpu_times(),
|
|
# connections=connections,
|
|
# addrs="\n".join(addrs)
|
|
# )
|
|
# for proc in psutil.process_iter():
|
|
# try:
|
|
# psinfo = proc.as_dict(attrs=["name", "exe"])
|
|
# data += "* {} {}\n".format(psinfo["name"], psinfo["exe"])
|
|
# except psutil.NoSuchProcess:
|
|
# pass
|
|
#
|
|
# data += "\n\nProjects"
|
|
# for project in Controller.instance().projects.values():
|
|
# data += "\n\nProject name: {}\nProject ID: {}\n".format(project.name, project.id)
|
|
# if project.status != "closed":
|
|
# for link in project.links.values():
|
|
# data += "Link {}: {}".format(link.id, link.debug_link_data)
|
|
#
|
|
# return data
|