159 lines
6.5 KiB
Python
159 lines
6.5 KiB
Python
# osmo_gsm_tester: specifics for running an Open5GS smfd process
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#
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# Copyright (C) 2021 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Pau Espin Pedrol <pespin@sysmocom.de>
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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
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# published by the Free Software Foundation, either version 3 of the
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# License, or (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 os
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import pprint
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from ..core import log, util, config, template, process, remote
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from ..core import schema
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from . import epc
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def on_register_schemas():
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pass
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class Open5gsSMF(log.Origin):
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REMOTE_DIR = '/osmo-gsm-tester-open5gs'
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BINFILE = 'open5gs-smfd'
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CFGFILE = 'open5gs-smfd.yaml'
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LOGFILE = 'open5gs-smfd.log'
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DIAMETERFILE = 'open5gs-freediameter.conf'
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def __init__(self, testenv, o5gs_epc):
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super().__init__(log.C_RUN, 'open5gs-smfd')
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self.testenv = testenv
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self.o5gs_epc = o5gs_epc
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self._run_node = o5gs_epc.run_node()
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self.run_dir = None
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self.config_file = None
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self.log_file = None
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self.diameter_file = None
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self.process = None
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self.rem_host = None
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self.remote_inst = None
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self.remote_config_file = None
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self.remote_log_file = None
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self.remote_diameter_file = None
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def cleanup(self):
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if self.process is None:
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return
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if self._run_node.is_local():
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return
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# copy back files (may not exist, for instance if there was an early error of process):
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try:
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self.rem_host.scpfrom('scp-back-log', self.remote_log_file, self.log_file)
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except Exception as e:
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self.log(repr(e))
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def start(self):
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self.log('Starting %s' % Open5gsSMF.BINFILE)
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if self._run_node.is_local():
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self.start_locally()
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else:
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self.start_remotely()
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def start_remotely(self):
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remote_env = { 'LD_LIBRARY_PATH': self.remote_inst.child('lib') }
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remote_lib = self.remote_inst.child('lib')
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remote_binary = self.remote_inst.child('bin', Open5gsSMF.BINFILE)
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args = (remote_binary, '-c', self.remote_config_file)
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self.process = self.rem_host.RemoteProcess(Open5gsSMF.BINFILE, args, remote_env=remote_env)
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self.testenv.remember_to_stop(self.process)
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self.process.launch()
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def start_locally(self):
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binary = self.inst.child('bin', Open5gsSMF.BINFILE)
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lib = self.inst.child('lib')
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env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
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args = (binary, '-c', os.path.abspath(self.config_file))
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self.process = process.Process(self.name(), self.run_dir, args, env=env)
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self.testenv.remember_to_stop(self.process)
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self.process.launch()
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def configure(self, values):
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self.run_dir = util.Dir(self.o5gs_epc.run_dir.new_dir(self.name()))
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self.inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst('open5gs', self._run_node.run_label())))
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if not os.path.isdir(self.inst.child('lib')):
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raise log.Error('No lib/ in', self.inst)
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if not self.inst.isfile('bin', Open5gsSMF.BINFILE):
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raise log.Error('No %s binary in' % Open5gsSMF.BINFILE, self.inst)
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self.config_file = self.run_dir.child(Open5gsSMF.CFGFILE)
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self.log_file = self.run_dir.child(Open5gsSMF.LOGFILE)
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self.diameter_file = self.run_dir.child(Open5gsSMF.DIAMETERFILE)
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if not self._run_node.is_local():
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self.rem_host = remote.RemoteHost(self.run_dir, self._run_node.ssh_user(), self._run_node.ssh_addr())
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remote_prefix_dir = util.Dir(Open5gsSMF.REMOTE_DIR)
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self.remote_inst = util.Dir(remote_prefix_dir.child(os.path.basename(str(self.inst))))
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remote_run_dir = util.Dir(remote_prefix_dir.child(Open5gsSMF.BINFILE))
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self.remote_config_file = remote_run_dir.child(Open5gsSMF.CFGFILE)
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self.remote_log_file = remote_run_dir.child(Open5gsSMF.LOGFILE)
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self.remote_diameter_file = remote_run_dir.child(Open5gsSMF.DIAMETERFILE)
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logfile = self.log_file if self._run_node.is_local() else self.remote_log_file
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diameter_file = self.diameter_file if self._run_node.is_local() else self.remote_diameter_file
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inst_prefix = str(self.inst) if self._run_node.is_local() else str(self.remote_inst)
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config.overlay(values, dict(smf=dict(log_filename=logfile,
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diameter_filename=diameter_file,
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inst_prefix=inst_prefix)))
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config.overlay(values, dict(diameter=dict(identity=self.diameter_name(),
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inst_prefix=inst_prefix,
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listen_address=self.o5gs_epc.addr(),
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listen_port=self.diameter_port(),
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connect_name=self.o5gs_epc.pcrf.diameter_name(),
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connect_address=self.o5gs_epc.addr(),
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connect_port=self.o5gs_epc.pcrf.diameter_port())))
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self.dbg('OPEN5GS-SMF CONFIG:\n' + pprint.pformat(values))
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with open(self.config_file, 'w') as f:
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r = template.render(Open5gsSMF.CFGFILE, values)
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self.dbg(r)
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f.write(r)
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with open(self.diameter_file, 'w') as f:
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r = template.render(Open5gsSMF.DIAMETERFILE, values)
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self.dbg(r)
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f.write(r)
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if not self._run_node.is_local():
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self.rem_host.recreate_remote_dir(self.remote_inst)
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self.rem_host.scp('scp-inst-to-remote', str(self.inst), remote_prefix_dir)
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self.rem_host.recreate_remote_dir(remote_run_dir)
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self.rem_host.scp('scp-cfg-to-remote', self.config_file, self.remote_config_file)
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self.rem_host.scp('scp-diam-to-remote', self.diameter_file, self.remote_diameter_file)
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def running(self):
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return not self.process.terminated()
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def diameter_name(self):
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return 'smf'
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def diameter_port(self):
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return 3868 + 3;
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# vim: expandtab tabstop=4 shiftwidth=4
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