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mirror of https://github.com/GNS3/gns3-server synced 2024-12-25 16:28:11 +00:00
gns3-server/gns3server/main.py
2015-01-26 09:51:29 +01:00

146 lines
5.9 KiB
Python

#!/usr/bin/env 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 os
import datetime
import sys
import locale
import argparse
from gns3server.server import Server
from gns3server.web.logger import init_logger
from gns3server.version import __version__
from gns3server.config import Config
import logging
log = logging.getLogger(__name__)
def locale_check():
"""
Checks if this application runs with a correct locale (i.e. supports UTF-8 encoding) and attempt to fix
if this is not the case.
This is to prevent UnicodeEncodeError with unicode paths when using standard library I/O operation
methods (e.g. os.stat() or os.path.*) which rely on the system or user locale.
More information can be found there: http://seasonofcode.com/posts/unicode-i-o-and-locales-in-python.html
or there: http://robjwells.com/post/61198832297/get-your-us-ascii-out-of-my-face
"""
# no need to check on Windows or when this application is frozen
if sys.platform.startswith("win") or hasattr(sys, "frozen"):
return
language = encoding = None
try:
language, encoding = locale.getlocale()
except ValueError as e:
log.error("Could not determine the current locale: {}".format(e))
if not language and not encoding:
try:
log.warn("Could not find a default locale, switching to C.UTF-8...")
locale.setlocale(locale.LC_ALL, ("C", "UTF-8"))
except locale.Error as e:
log.error("Could not switch to the C.UTF-8 locale: {}".format(e))
raise SystemExit
elif encoding != "UTF-8":
log.warn("Your locale {}.{} encoding is not UTF-8, switching to the UTF-8 version...".format(language, encoding))
try:
locale.setlocale(locale.LC_ALL, (language, "UTF-8"))
except locale.Error as e:
log.error("Could not set an UTF-8 encoding for the {} locale: {}".format(language, e))
raise SystemExit
else:
log.info("Current locale is {}.{}".format(language, encoding))
def parse_arguments():
parser = argparse.ArgumentParser(description="GNS3 server version {}".format(__version__))
parser.add_argument("-v", "--version", help="show the version", action="version", version=__version__)
parser.add_argument("--host", help="run on the given host/IP address", default="127.0.0.1")
parser.add_argument("--port", help="run on the given port", type=int, default=8000)
parser.add_argument("--ssl", action="store_true", help="run in SSL mode")
parser.add_argument("--certfile", help="SSL cert file", default="")
parser.add_argument("--certkey", help="SSL key file", default="")
parser.add_argument("-L", "--local", action="store_true", help="local mode (allow some insecure operations)")
parser.add_argument("-A", "--allow", action="store_true", help="allow remote connections to local console ports")
parser.add_argument("-q", "--quiet", action="store_true", help="do not show logs on stdout")
parser.add_argument("-d", "--debug", action="store_true", help="show debug logs and enable code live reload")
args = parser.parse_args()
config = Config.instance()
server_config = config.get_section_config("Server")
server_config["local"] = server_config.get("local", "true" if args.local else "false")
server_config["allow_remote_console"] = server_config.get("allow_remote_console", "true" if args.allow else "false")
server_config["host"] = server_config.get("host", args.host)
server_config["port"] = server_config.get("port", str(args.port))
server_config["ssl"] = server_config.get("ssl", "true" if args.ssl else "false")
server_config["certfile"] = server_config.get("certfile", args.certfile)
server_config["certkey"] = server_config.get("certkey", args.certkey)
server_config["debug"] = server_config.get("debug", "true" if args.debug else "false")
config.set_section_config("Server", server_config)
return args
def main():
"""
Entry point for GNS3 server
"""
current_year = datetime.date.today().year
args = parse_arguments()
level = logging.INFO
if args.debug:
level = logging.DEBUG
user_log = init_logger(level, quiet=args.quiet)
user_log.info("GNS3 server version {}".format(__version__))
user_log.info("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
server_config = Config.instance().get_section_config("Server")
if server_config.getboolean("local"):
log.warning("Local mode is enabled. Beware, clients will have full control on your filesystem")
# we only support Python 3 version >= 3.3
if sys.version_info < (3, 3):
raise RuntimeError("Python 3.3 or higher is required")
user_log.info("Running with Python {major}.{minor}.{micro} and has PID {pid}".format(
major=sys.version_info[0], minor=sys.version_info[1],
micro=sys.version_info[2], pid=os.getpid()))
# check for the correct locale (UNIX/Linux only)
locale_check()
try:
os.getcwd()
except FileNotFoundError:
log.critical("The current working directory doesn't exist")
return
host = server_config["host"]
port = int(server_config["port"])
server = Server(host, port)
server.run()
if __name__ == '__main__':
main()