209 lines
7.4 KiB
Python
209 lines
7.4 KiB
Python
# osmo_gsm_tester: specifics for running a sysmoBTS
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#
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# Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Neels Hofmeyr <neels@hofmeyr.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 . import log, config, util, template, process, pcu_sysmo
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class SysmoBts(log.Origin):
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suite_run = None
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bsc = None
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sgsn = None
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run_dir = None
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inst = None
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remote_inst = None
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remote_env = None
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remote_dir = None
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lac = None
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rac = None
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cellid = None
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bvci = None
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proc_bts = None
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_pcu = None
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REMOTE_DIR = '/osmo-gsm-tester-bts'
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BTS_SYSMO_BIN = 'osmo-bts-sysmo'
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BTS_SYSMO_CFG = 'osmo-bts-sysmo.cfg'
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def __init__(self, suite_run, conf):
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super().__init__(log.C_RUN, self.BTS_SYSMO_BIN)
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self.suite_run = suite_run
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self.conf = conf
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self.remote_env = {}
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self.remote_user = 'root'
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def start(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 started')
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log.log('Starting sysmoBTS to connect to', self.bsc)
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self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
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self.configure()
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self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst(SysmoBts.BTS_SYSMO_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', SysmoBts.BTS_SYSMO_BIN):
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raise log.Error('No osmo-bts-sysmo binary in', self.inst)
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self.remote_dir = util.Dir(SysmoBts.REMOTE_DIR)
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self.remote_inst = util.Dir(self.remote_dir.child(os.path.basename(str(self.inst))))
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self.run_remote('rm-remote-dir', ('test', '!', '-d', SysmoBts.REMOTE_DIR, '||', 'rm', '-rf', SysmoBts.REMOTE_DIR))
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self.run_remote('mk-remote-dir', ('mkdir', '-p', SysmoBts.REMOTE_DIR))
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self.run_local('scp-inst-to-sysmobts',
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('scp', '-r', str(self.inst), '%s@%s:%s' % (self.remote_user, self.remote_addr(), str(self.remote_inst))))
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remote_run_dir = self.remote_dir.child(SysmoBts.BTS_SYSMO_BIN)
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self.run_remote('mk-remote-run-dir', ('mkdir', '-p', remote_run_dir))
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remote_config_file = self.remote_dir.child(SysmoBts.BTS_SYSMO_CFG)
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self.run_local('scp-cfg-to-sysmobts',
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('scp', '-r', self.config_file, '%s@%s:%s' % (self.remote_user, self.remote_addr(), remote_config_file)))
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self.run_remote('reload-dsp-firmware', ('/bin/sh', '-c', '"cat /lib/firmware/sysmobts-v?.bit > /dev/fpgadl_par0 ; cat /lib/firmware/sysmobts-v?.out > /dev/dspdl_dm644x_0"'))
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remote_lib = self.remote_inst.child('lib')
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remote_binary = self.remote_inst.child('bin', 'osmo-bts-sysmo')
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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 = self.launch_remote('osmo-bts-sysmo', args, remote_cwd=remote_run_dir)
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def cleanup(self):
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pass
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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 pcu_socket_path(self):
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return os.path.join(SysmoBts.REMOTE_DIR, 'pcu_bts')
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def _process_remote(self, name, popen_args, remote_cwd=None):
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run_dir = self.run_dir.new_dir(name)
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return process.RemoteProcess(name, run_dir, self.remote_user, self.remote_addr(), remote_cwd,
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popen_args)
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def run_remote(self, name, popen_args, remote_cwd=None):
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proc = self._process_remote(name, popen_args, remote_cwd)
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proc.launch()
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proc.wait()
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if proc.result != 0:
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log.ctx(proc)
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raise log.Error('Exited in error')
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def launch_remote(self, name, popen_args, remote_cwd=None):
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proc = self._process_remote(name, popen_args, remote_cwd)
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self.suite_run.remember_to_stop(proc)
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proc.launch()
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return proc
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def run_local(self, name, popen_args):
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run_dir = self.run_dir.new_dir(name)
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proc = process.Process(name, run_dir, popen_args)
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proc.launch()
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proc.wait()
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if proc.result != 0:
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log.ctx(proc)
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raise log.Error('Exited in error')
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def pcu(self):
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if self._pcu is None:
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self._pcu = pcu_sysmo.OsmoPcuSysmo(self.suite_run, self, self.conf)
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return self._pcu
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def remote_addr(self):
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return self.conf.get('addr')
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def pcu_socket_path(self):
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return os.path.join(SysmoBts.REMOTE_DIR, 'pcu_bts')
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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(SysmoBts.BTS_SYSMO_CFG)
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self.dbg(config_file=self.config_file)
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values = { 'osmo_bts_sysmo': config.get_defaults('osmo_bts_sysmo') }
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config.overlay(values, self.suite_run.config())
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config.overlay(values, {
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'osmo_bts_sysmo': {
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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_sysmo': self.conf })
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self.dbg('SYSMOBTS CONFIG:\n' + pprint.pformat(values))
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with open(self.config_file, 'w') as f:
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r = template.render(SysmoBts.BTS_SYSMO_CFG, values)
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self.dbg(r)
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f.write(r)
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def conf_for_bsc(self):
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values = config.get_defaults('bsc_bts')
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config.overlay(values, config.get_defaults('osmo_bts_sysmo'))
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if self.lac is not None:
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config.overlay(values, { 'location_area_code': self.lac })
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if self.rac is not None:
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config.overlay(values, { 'routing_area_code': self.rac })
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if self.cellid is not None:
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config.overlay(values, { 'cell_identity': self.cellid })
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if self.bvci is not None:
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config.overlay(values, { 'bvci': self.bvci })
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config.overlay(values, self.conf)
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sgsn_conf = {} if self.sgsn is None else self.sgsn.conf_for_client()
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config.overlay(values, sgsn_conf)
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self.dbg(conf=values)
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return values
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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_stderr() or '')
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def set_bsc(self, bsc):
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self.bsc = bsc
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def set_sgsn(self, sgsn):
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self.sgsn = sgsn
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def set_lac(self, lac):
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self.lac = lac
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def set_rac(self, rac):
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self.rac = rac
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def set_cellid(self, cellid):
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self.cellid = cellid
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def set_bvci(self, bvci):
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self.bvci = bvci
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# vim: expandtab tabstop=4 shiftwidth=4
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