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mirror of https://github.com/GNS3/gns3-server synced 2024-11-15 21:08:55 +00:00
gns3-server/gns3server/handlers/api/controller/server_handler.py
2018-01-18 16:14:09 +08:00

227 lines
7.9 KiB
Python

# -*- coding: utf-8 -*-
#
# 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/>.
from gns3server.web.route import Route
from gns3server.config import Config
from gns3server.controller import Controller
from gns3server.schemas.version import VERSION_SCHEMA
from gns3server.version import __version__
from aiohttp.web import HTTPConflict, HTTPForbidden
import os
import psutil
import shutil
import asyncio
import platform
import logging
log = logging.getLogger(__name__)
class ServerHandler:
@classmethod
@Route.post(
r"/shutdown",
description="Shutdown the local server",
status_codes={
201: "Server is shutting down",
403: "Server shutdown refused"
})
def shutdown(request, response):
config = Config.instance()
if config.get_section_config("Server").getboolean("local", False) is False:
raise HTTPForbidden(text="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.async(project.close()))
if tasks:
done, _ = yield from asyncio.wait(tasks)
for future in done:
try:
future.result()
except Exception as e:
log.error("Could not close project {}".format(e), exc_info=1)
continue
# then shutdown the server itself
from gns3server.web.web_server import WebServer
server = WebServer.instance()
asyncio.async(server.shutdown_server())
response.set_status(201)
@Route.get(
r"/version",
description="Retrieve the server version number",
output=VERSION_SCHEMA)
def version(request, response):
config = Config.instance()
local_server = config.get_section_config("Server").getboolean("local", False)
response.json({"version": __version__, "local": local_server})
@Route.post(
r"/version",
description="Check if version is the same as the server",
output=VERSION_SCHEMA,
input=VERSION_SCHEMA,
status_codes={
200: "Same version",
409: "Invalid version"
})
def check_version(request, response):
if request.json["version"] != __version__:
raise HTTPConflict(text="Client version {} is not the same as server version {}".format(request.json["version"], __version__))
response.json({"version": __version__})
@Route.get(
r"/settings",
description="Retrieve gui settings from the server. Temporary will we removed in later release")
def read_settings(request, response):
settings = None
while True:
# The init of the server could take some times
# we ensure settings are loaded before returning them
settings = Controller.instance().settings
if settings is not None:
break
yield from asyncio.sleep(0.5)
response.json(settings)
@Route.post(
r"/settings",
description="Write gui settings on the server. Temporary will we removed in later releas",
status_codes={
201: "Writed"
})
def write_settings(request, response):
controller = Controller.instance()
if controller.settings is None: # Server is not loaded ignore settings update to prevent buggy client sync issue
return
controller.settings = request.json
try:
controller.save()
except (OSError, PermissionError) as e:
raise HTTPConflict(text="Can't save the settings {}".format(str(e)))
response.json(controller.settings)
response.set_status(201)
@Route.post(
r"/debug",
description="Dump debug informations to disk (debug directory in config directory). Work only for local server",
status_codes={
201: "Writed"
})
def debug(request, response):
config = Config.instance()
if config.get_section_config("Server").getboolean("local", False) is False:
raise HTTPForbidden(text="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 informations {}".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 = yield from 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)
for link in project.links.values():
data += "Link {}: {}".format(link.id, link.debug_link_data)
return data