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@ -24,7 +24,9 @@
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# number has been incremented)
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"""
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Startup script for GNS3 Server Cloud Instance
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Startup script for a GNS3 Server Cloud Instance. It generates certificates,
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config files and usernames before finally starting the gns3server process
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on the instance.
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"""
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import os
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@ -67,12 +69,12 @@ Options:
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""" % (SCRIPT_NAME)
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# Parse cmd line options
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def parse_cmd_line(argv):
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"""
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Parse command line arguments
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argv: Pass in cmd line arguments
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argv: Passed in sys.argv
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"""
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short_args = "dvh"
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@ -88,10 +90,7 @@ def parse_cmd_line(argv):
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print(usage)
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sys.exit(2)
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cmd_line_option_list = {}
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cmd_line_option_list["debug"] = False
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cmd_line_option_list["verbose"] = True
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cmd_line_option_list["data"] = None
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cmd_line_option_list = {'debug': False, 'verbose': True, 'data': None}
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if sys.platform == "linux":
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cmd_line_option_list['syslog'] = "/dev/log"
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@ -101,14 +100,14 @@ def parse_cmd_line(argv):
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cmd_line_option_list['syslog'] = ('localhost',514)
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for opt, val in opts:
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if (opt in ("-h", "--help")):
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if opt in ("-h", "--help"):
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print(usage)
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sys.exit(0)
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elif (opt in ("-d", "--debug")):
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elif opt in ("-d", "--debug"):
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cmd_line_option_list["debug"] = True
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elif (opt in ("-v", "--verbose")):
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elif opt in ("-v", "--verbose"):
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cmd_line_option_list["verbose"] = True
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elif (opt in ("--data")):
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elif opt in ("--data",):
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cmd_line_option_list["data"] = ast.literal_eval(val)
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return cmd_line_option_list
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@ -124,10 +123,10 @@ def set_logging(cmd_options):
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log_level = logging.INFO
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log_level_console = logging.WARNING
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if cmd_options['verbose'] == True:
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if cmd_options['verbose'] is True:
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log_level_console = logging.INFO
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if cmd_options['debug'] == True:
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if cmd_options['debug'] is True:
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log_level_console = logging.DEBUG
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log_level = logging.DEBUG
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@ -138,37 +137,47 @@ def set_logging(cmd_options):
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console_log.setLevel(log_level_console)
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console_log.setFormatter(formatter)
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syslog_hndlr = SysLogHandler(
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syslog_handler = SysLogHandler(
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address=cmd_options['syslog'],
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facility=SysLogHandler.LOG_KERN
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)
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syslog_hndlr.setFormatter(sys_formatter)
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syslog_handler.setFormatter(sys_formatter)
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log.setLevel(log_level)
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log.addHandler(console_log)
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log.addHandler(syslog_hndlr)
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log.addHandler(syslog_handler)
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return log
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def _generate_certs():
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cmd = []
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cmd.append("%s/cert_utils/create_cert.sh" % (SCRIPT_PATH))
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"""
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Generate a self-signed certificate for SSL-enabling the WebSocket
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connection. The certificate is sent back to the client so it can
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verify the authenticity of the server.
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log.debug("Generating certs ...")
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:return: A 2-tuple of strings containing (server_key, server_cert)
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"""
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cmd = ["{}/cert_utils/create_cert.sh".format(SCRIPT_PATH)]
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log.debug("Generating certs with cmd: {}".format(' '.join(cmd)))
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output_raw = subprocess.check_output(cmd, shell=False,
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stderr=subprocess.STDOUT)
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stderr=subprocess.STDOUT)
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output_str = output_raw.decode("utf-8")
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output = output_str.strip().split("\n")
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log.debug(output)
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return (output[-2], output[-1])
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def _start_gns3server():
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cmd = []
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cmd.append("gns3server")
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"""
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Start up the gns3 server.
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log.info("Starting gns3server ...")
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:return: None
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"""
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cmd = ['gns3server', '--quiet']
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log.info("Starting gns3server with cmd {}".format(cmd))
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subprocess.Popen(cmd, shell=False)
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@ -187,7 +196,6 @@ def main():
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log.info("Received shutdown signal")
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sys.exit(0)
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# Setup signal to catch Control-C / SIGINT and SIGTERM
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signal.signal(signal.SIGINT, _shutdown)
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signal.signal(signal.SIGTERM, _shutdown)
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@ -229,12 +237,14 @@ def main():
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cert_file.close()
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# Return a stringified dictionary on stdout. The gui captures this to get
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# things like the server cert.
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client_data['SSL_CRT_FILE'] = server_crt
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client_data['SSL_CRT'] = cert_data
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client_data['WEB_USERNAME'] = cloud_config['CLOUD_SERVER']['WEB_USERNAME']
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client_data['WEB_PASSWORD'] = cloud_config['CLOUD_SERVER']['WEB_PASSWORD']
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print(client_data)
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return 0
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if __name__ == "__main__":
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