Initial Open5GS support
Change-Id: Iff8b88dc22d8f156572839abb48b0c1377c55e33
diff --git a/src/osmo_gsm_tester/obj/sgwc_open5gs.py b/src/osmo_gsm_tester/obj/sgwc_open5gs.py
new file mode 100644
index 0000000..efc4568
--- /dev/null
+++ b/src/osmo_gsm_tester/obj/sgwc_open5gs.py
@@ -0,0 +1,132 @@
+# osmo_gsm_tester: specifics for running an Open5GS swgcd process
+#
+# Copyright (C) 2021 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, remote
+from ..core import schema
+from . import epc
+
+def on_register_schemas():
+ pass
+
+class Open5gsSGWC(log.Origin):
+
+ REMOTE_DIR = '/osmo-gsm-tester-open5gs'
+ BINFILE = 'open5gs-sgwcd'
+ CFGFILE = 'open5gs-sgwcd.yaml'
+ LOGFILE = 'open5gs-sgwcd.log'
+
+ def __init__(self, testenv, o5gs_epc):
+ super().__init__(log.C_RUN, 'open5gs-sgwcd')
+ self.testenv = testenv
+ self.o5gs_epc = o5gs_epc
+ self._run_node = o5gs_epc.run_node()
+ self.run_dir = None
+ self.config_file = None
+ self.log_file = None
+ self.process = None
+ self.rem_host = None
+ self.remote_inst = None
+ self.remote_config_file = None
+ self.remote_log_file = None
+
+ def cleanup(self):
+ if self.process is None:
+ return
+ if self._run_node.is_local():
+ return
+ # copy back files (may not exist, for instance if there was an early error of process):
+ try:
+ self.rem_host.scpfrom('scp-back-log', self.remote_log_file, self.log_file)
+ except Exception as e:
+ self.log(repr(e))
+
+ def start(self):
+ self.log('Starting %s' % Open5gsSGWC.BINFILE)
+ if self._run_node.is_local():
+ self.start_locally()
+ else:
+ self.start_remotely()
+
+ def start_remotely(self):
+ remote_env = { 'LD_LIBRARY_PATH': self.remote_inst.child('lib') }
+ remote_lib = self.remote_inst.child('lib')
+ remote_binary = self.remote_inst.child('bin', Open5gsSGWC.BINFILE)
+
+ args = (remote_binary, '-c', self.remote_config_file)
+
+ self.process = self.rem_host.RemoteProcess(Open5gsSGWC.BINFILE, args, remote_env=remote_env)
+ self.testenv.remember_to_stop(self.process)
+ self.process.launch()
+
+ def start_locally(self):
+ binary = self.inst.child('bin', Open5gsSGWC.BINFILE)
+ lib = self.inst.child('lib')
+ env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
+
+ args = (binary, '-c', os.path.abspath(self.config_file))
+
+ self.process = process.Process(self.name(), self.run_dir, args, env=env)
+ self.testenv.remember_to_stop(self.process)
+ self.process.launch()
+
+ def configure(self, values):
+ self.run_dir = util.Dir(self.o5gs_epc.run_dir.new_dir(self.name()))
+ self.inst = util.Dir(os.path.abspath(self.testenv.suite().trial().get_inst('open5gs', self._run_node.run_label())))
+ if not os.path.isdir(self.inst.child('lib')):
+ raise log.Error('No lib/ in', self.inst)
+ if not self.inst.isfile('bin', Open5gsSGWC.BINFILE):
+ raise log.Error('No %s binary in' % Open5gsSGWC.BINFILE, self.inst)
+
+ self.config_file = self.run_dir.child(Open5gsSGWC.CFGFILE)
+ self.log_file = self.run_dir.child(Open5gsSGWC.LOGFILE)
+
+ if not self._run_node.is_local():
+ self.rem_host = remote.RemoteHost(self.run_dir, self._run_node.ssh_user(), self._run_node.ssh_addr())
+ remote_prefix_dir = util.Dir(Open5gsSGWC.REMOTE_DIR)
+ self.remote_inst = util.Dir(remote_prefix_dir.child(os.path.basename(str(self.inst))))
+ remote_run_dir = util.Dir(remote_prefix_dir.child(Open5gsSGWC.BINFILE))
+
+ self.remote_config_file = remote_run_dir.child(Open5gsSGWC.CFGFILE)
+ self.remote_log_file = remote_run_dir.child(Open5gsSGWC.LOGFILE)
+
+ logfile = self.log_file if self._run_node.is_local() else self.remote_log_file
+ inst_prefix = str(self.inst) if self._run_node.is_local() else str(self.remote_inst)
+ config.overlay(values, dict(sgwc=dict(log_filename=logfile,
+ inst_prefix=inst_prefix)))
+
+ self.dbg('OPEN5GS-SGWC CONFIG:\n' + pprint.pformat(values))
+
+ with open(self.config_file, 'w') as f:
+ r = template.render(Open5gsSGWC.CFGFILE, values)
+ self.dbg(r)
+ f.write(r)
+
+ if not self._run_node.is_local():
+ self.rem_host.recreate_remote_dir(self.remote_inst)
+ self.rem_host.scp('scp-inst-to-remote', str(self.inst), remote_prefix_dir)
+ self.rem_host.recreate_remote_dir(remote_run_dir)
+ self.rem_host.scp('scp-cfg-to-remote', self.config_file, self.remote_config_file)
+
+ def running(self):
+ return not self.process.terminated()
+
+# vim: expandtab tabstop=4 shiftwidth=4