137 lines
5.3 KiB
Python
137 lines
5.3 KiB
Python
# osmo_gsm_tester: specifics for running a osmo-bts-oc2g
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#
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# Copyright (C) 2019 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, config, util, template, process, remote
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from . import pcu_oc2g, bts_osmo
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class OsmoBtsOC2G(bts_osmo.OsmoBts):
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##############
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# PROTECTED
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##############
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REMOTE_DIR = '/osmo-gsm-tester-bts'
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BTS_OC2G_BIN = 'osmo-bts-oc2g'
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BTS_OC2G_CFG = 'osmo-bts-oc2g.cfg'
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def __init__(self, testenv, conf):
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super().__init__(testenv, conf, OsmoBtsOC2G.BTS_OC2G_BIN, 'osmo_bts_oc2g')
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self.run_dir = None
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self.inst = None
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self.remote_inst = None
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self.remote_dir = None
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self.proc_bts = None
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self.remote_user = 'root'
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def _direct_pcu_enabled(self):
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return util.str2bool(self.conf.get('direct_pcu'))
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def create_pcu(self):
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return pcu_oc2g.OsmoPcuOC2G(self.testenv, self, self.conf)
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def configure(self):
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if self.bsc is None:
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raise RuntimeError('BTS needs to be added to a BSC or NITB before it can be configured')
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self.config_file = self.run_dir.new_file(OsmoBtsOC2G.BTS_OC2G_CFG)
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self.dbg(config_file=self.config_file)
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values = { 'osmo_bts_oc2g': config.get_defaults('osmo_bts_oc2g') }
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config.overlay(values, self.testenv.suite().config())
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config.overlay(values, {
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'osmo_bts_oc2g': {
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'oml_remote_ip': self.bsc.addr(),
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'pcu_socket_path': self.pcu_socket_path(),
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}
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})
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config.overlay(values, { 'osmo_bts_oc2g': self.conf })
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self.dbg('OSMO-BTS-OC2G CONFIG:\n' + pprint.pformat(values))
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with open(self.config_file, 'w') as f:
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r = template.render(OsmoBtsOC2G.BTS_OC2G_CFG, values)
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self.dbg(r)
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f.write(r)
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########################
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# PUBLIC - INTERNAL API
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########################
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def pcu_socket_path(self):
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return os.path.join(OsmoBtsOC2G.REMOTE_DIR, 'pcu_bts')
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def conf_for_bsc(self):
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values = self.conf_for_bsc_prepare()
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# Hack until we have proper ARFCN resource allocation support (OS#2230)
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band = values.get('band')
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trx_list = values.get('trx_list')
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if band == 'GSM-900':
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for trx_i in range(len(trx_list)):
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config.overlay(trx_list[trx_i], { 'arfcn' : str(50 + trx_i * 2) })
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self.dbg(conf=values)
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return values
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###################
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# PUBLIC (test API included)
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###################
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# We get log from ssh stdout instead of usual stderr.
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def ready_for_pcu(self):
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if not self.proc_bts or not self.proc_bts.is_running:
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return False
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return 'BTS is up' in (self.proc_bts.get_stdout() or '')
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def start(self, keepalive=False):
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if self.bsc is None:
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raise RuntimeError('BTS needs to be added to a BSC or NITB before it can be started')
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log.log('Starting OsmoBtsOC2G to connect to', self.bsc)
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self.run_dir = util.Dir(self.testenv.suite().get_run_dir().new_dir(self.name()))
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self.configure()
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self.inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst(OsmoBtsOC2G.BTS_OC2G_BIN)))
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lib = self.inst.child('lib')
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if not os.path.isdir(lib):
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raise log.Error('No lib/ in', self.inst)
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if not self.inst.isfile('bin', OsmoBtsOC2G.BTS_OC2G_BIN):
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raise log.Error('No osmo-bts-oc2g binary in', self.inst)
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rem_host = remote.RemoteHost(self.run_dir, self.remote_user, self.remote_addr())
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remote_prefix_dir = util.Dir(OsmoBtsOC2G.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(OsmoBtsOC2G.BTS_OC2G_BIN))
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remote_config_file = remote_run_dir.child(OsmoBtsOC2G.BTS_OC2G_CFG)
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rem_host.recreate_remote_dir(self.remote_inst)
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rem_host.scp('scp-inst-to-remote', str(self.inst), remote_prefix_dir)
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rem_host.create_remote_dir(remote_run_dir)
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rem_host.scp('scp-cfg-to-remote', self.config_file, remote_config_file)
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remote_lib = self.remote_inst.child('lib')
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remote_binary = self.remote_inst.child('bin', OsmoBtsOC2G.BTS_OC2G_BIN)
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args = ('LD_LIBRARY_PATH=%s' % remote_lib,
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remote_binary, '-c', remote_config_file, '-r', '1',
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'-i', self.bsc.addr())
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if self._direct_pcu_enabled():
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args += ('-M',)
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self.proc_bts = rem_host.RemoteProcess(OsmoBtsOC2G.BTS_OC2G_BIN, args)
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self.testenv.remember_to_stop(self.proc_bts, keepalive)
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self.proc_bts.launch()
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# vim: expandtab tabstop=4 shiftwidth=4
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