| # osmo_gsm_tester: specifics for running an openggsn |
| # |
| # Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH |
| # |
| # Author: Pau Espin Pedrol <pespin@sysmocom.de> |
| # |
| # 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 pprint |
| |
| from ..core import log, util, config, template, process |
| from . import pcap_recorder |
| |
| class OsmoGgsn(log.Origin): |
| |
| def __init__(self, testenv, ip_address): |
| super().__init__(log.C_RUN, 'osmo-ggsn_%s' % ip_address.get('addr')) |
| self.run_dir = None |
| self.config_file = None |
| self.process = None |
| self.testenv = testenv |
| self.ip_address = ip_address |
| |
| def start(self): |
| self.log('Starting osmo-ggsn') |
| self.run_dir = util.Dir(self.testenv.test().get_run_dir().new_dir(self.name())) |
| self.configure() |
| |
| inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst('osmo-ggsn'))) |
| |
| binary = inst.child('bin', 'osmo-ggsn') |
| if not os.path.isfile(binary): |
| raise log.Error('Binary missing:', binary) |
| lib = inst.child('lib') |
| if not os.path.isdir(lib): |
| raise log.Error('No lib/ in', inst) |
| |
| pcap_recorder.PcapRecorder(self.testenv, self.run_dir.new_dir('pcap'), None, |
| 'host %s' % self.addr()) |
| |
| env = {} |
| |
| # setting capabilities will later disable use of LD_LIBRARY_PATH from ELF loader -> modify RPATH instead. |
| self.log('Setting RPATH for osmo-ggsn') |
| util.change_elf_rpath(binary, util.prepend_library_path(lib), self.run_dir.new_dir('patchelf')) |
| # osmo-ggsn requires CAP_NET_ADMIN to create tunnel devices: ioctl(TUNSETIFF): |
| self.log('Applying CAP_NET_ADMIN capability to osmo-ggsn') |
| util.setcap_net_admin(binary, self.run_dir.new_dir('setcap_net_admin')) |
| |
| self.dbg(run_dir=self.run_dir, binary=binary, env=env) |
| self.process = process.Process(self.name(), self.run_dir, |
| (binary, |
| '-c', os.path.abspath(self.config_file)), |
| env=env) |
| self.testenv.remember_to_stop(self.process) |
| self.process.launch() |
| |
| def configure(self): |
| self.config_file = self.run_dir.new_file('osmo-ggsn.cfg') |
| self.dbg(config_file=self.config_file) |
| |
| values = dict(ggsn=config.get_defaults('ggsn')) |
| config.overlay(values, self.testenv.suite().config()) |
| config.overlay(values, dict(ggsn=dict(ip_address=self.ip_address))) |
| config.overlay(values, dict(ggsn=dict(statedir=self.run_dir.new_dir('statedir')))) |
| |
| self.dbg('GGSN CONFIG:\n' + pprint.pformat(values)) |
| |
| with open(self.config_file, 'w') as f: |
| r = template.render('osmo-ggsn.cfg', values) |
| self.dbg(r) |
| f.write(r) |
| |
| def conf_for_client(self): |
| return dict(ggsn=dict(ip_address=self.ip_address)) |
| |
| def addr(self): |
| return self.ip_address.get('addr') |
| |
| def running(self): |
| return not self.process.terminated() |
| |
| # vim: expandtab tabstop=4 shiftwidth=4 |