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135 lines
4.8 KiB
135 lines
4.8 KiB
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import psutil
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import platform
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from gns3server.web.route import Route
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from gns3server.config import Config
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from gns3server.schemas.version import VERSION_SCHEMA
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from gns3server.schemas.server_statistics import SERVER_STATISTICS_SCHEMA
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from gns3server.compute.port_manager import PortManager
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from gns3server.version import __version__
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from aiohttp.web import HTTPConflict
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from psutil._common import bytes2human
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class ServerHandler:
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@Route.get(
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r"/version",
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description="Retrieve the server version number",
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output=VERSION_SCHEMA)
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def version(request, response):
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config = Config.instance()
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local_server = config.get_section_config("Server").getboolean("local", False)
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response.json({"version": __version__, "local": local_server})
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@Route.get(
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r"/statistics",
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description="Retrieve server statistics",
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output=SERVER_STATISTICS_SCHEMA,
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status_codes={
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200: "Statistics information returned",
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409: "Conflict"
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})
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def statistics(request, response):
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try:
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memory_total = psutil.virtual_memory().total
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memory_free = psutil.virtual_memory().available
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memory_used = memory_total - memory_free # actual memory usage in a cross platform fashion
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swap_total = psutil.swap_memory().total
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swap_free = psutil.swap_memory().free
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swap_used = psutil.swap_memory().used
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cpu_percent = int(psutil.cpu_percent())
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load_average_percent = [int(x / psutil.cpu_count() * 100) for x in psutil.getloadavg()]
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memory_percent = int(psutil.virtual_memory().percent)
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swap_percent = int(psutil.swap_memory().percent)
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disk_usage_percent = int(psutil.disk_usage('/').percent)
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except psutil.Error as e:
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raise HTTPConflict(text="Psutil error detected: {}".format(e))
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response.json({"memory_total": memory_total,
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"memory_free": memory_free,
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"memory_used": memory_used,
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"swap_total": swap_total,
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"swap_free": swap_free,
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"swap_used": swap_used,
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"cpu_usage_percent": cpu_percent,
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"memory_usage_percent": memory_percent,
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"swap_usage_percent": swap_percent,
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"disk_usage_percent": disk_usage_percent,
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"load_average_percent": load_average_percent})
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@Route.get(
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r"/debug",
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description="Return debug information about the compute",
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status_codes={
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201: "Written"
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})
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def debug(request, response):
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response.content_type = "text/plain"
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response.text = ServerHandler._getDebugData()
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@staticmethod
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def _getDebugData():
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try:
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addrs = ["* {}: {}".format(key, val) for key, val in psutil.net_if_addrs().items()]
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except UnicodeDecodeError:
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addrs = ["INVALID ADDR WITH UNICODE CHARACTERS"]
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data = """Version: {version}
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OS: {os}
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Python: {python}
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CPU: {cpu}
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Memory: {memory}
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Networks:
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{addrs}
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""".format(
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version=__version__,
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os=platform.platform(),
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python=platform.python_version(),
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memory=psutil.virtual_memory(),
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cpu=psutil.cpu_times(),
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addrs="\n".join(addrs)
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)
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try:
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connections = psutil.net_connections()
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# You need to be root for OSX
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except psutil.AccessDenied:
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connections = None
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if connections:
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data += "\n\nConnections:\n"
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for port in PortManager.instance().tcp_ports:
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found = False
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for open_port in connections:
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if open_port.laddr[1] == port:
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found = True
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data += "TCP {}: {}\n".format(port, found)
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for port in PortManager.instance().udp_ports:
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found = False
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for open_port in connections:
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if open_port.laddr[1] == port:
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found = True
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data += "UDP {}: {}\n".format(port, found)
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return data
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