gns3-server/gns3server/handlers/api/compute/server_handler.py

136 lines
4.9 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/>.
import psutil
import platform
from gns3server.web.route import Route
from gns3server.config import Config
from gns3server.schemas.version import VERSION_SCHEMA
from gns3server.schemas.server_statistics import SERVER_STATISTICS_SCHEMA
from gns3server.compute.port_manager import PortManager
from gns3server.utils.cpu_percent import CpuPercent
from gns3server.utils.path import get_default_project_directory
from gns3server.version import __version__
from aiohttp.web import HTTPConflict
class ServerHandler:
@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.get(
r"/statistics",
description="Retrieve server statistics",
output=SERVER_STATISTICS_SCHEMA,
status_codes={
200: "Statistics information returned",
409: "Conflict"
})
def statistics(request, response):
try:
memory_total = psutil.virtual_memory().total
memory_free = psutil.virtual_memory().available
memory_used = memory_total - memory_free # actual memory usage in a cross platform fashion
swap_total = psutil.swap_memory().total
swap_free = psutil.swap_memory().free
swap_used = psutil.swap_memory().used
cpu_percent = int(CpuPercent.get())
load_average_percent = [int(x / psutil.cpu_count() * 100) for x in psutil.getloadavg()]
memory_percent = int(psutil.virtual_memory().percent)
swap_percent = int(psutil.swap_memory().percent)
disk_usage_percent = int(psutil.disk_usage(get_default_project_directory()).percent)
except psutil.Error as e:
raise HTTPConflict(text="Psutil error detected: {}".format(e))
response.json({"memory_total": memory_total,
"memory_free": memory_free,
"memory_used": memory_used,
"swap_total": swap_total,
"swap_free": swap_free,
"swap_used": swap_used,
"cpu_usage_percent": cpu_percent,
"memory_usage_percent": memory_percent,
"swap_usage_percent": swap_percent,
"disk_usage_percent": disk_usage_percent,
"load_average_percent": load_average_percent})
@Route.get(
r"/debug",
description="Return debug information about the compute",
status_codes={
201: "Written"
})
def debug(request, response):
response.content_type = "text/plain"
response.text = ServerHandler._getDebugData()
@staticmethod
def _getDebugData():
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}
""".format(
version=__version__,
os=platform.platform(),
python=platform.python_version(),
memory=psutil.virtual_memory(),
cpu=psutil.cpu_times(),
addrs="\n".join(addrs)
)
try:
connections = psutil.net_connections()
# You need to be root for OSX
except psutil.AccessDenied:
connections = None
if connections:
data += "\n\nConnections:\n"
for port in PortManager.instance().tcp_ports:
found = False
for open_port in connections:
if open_port.laddr[1] == port:
found = True
data += "TCP {}: {}\n".format(port, found)
for port in PortManager.instance().udp_ports:
found = False
for open_port in connections:
if open_port.laddr[1] == port:
found = True
data += "UDP {}: {}\n".format(port, found)
return data