def _start_ovsdb(self):
"""Start ``ovsdb-server`` instance.
:returns: None
"""
ovsdb_tool_bin = settings.getValue('TOOLS')['ovsdb-tool']
tasks.run_task([
'sudo', ovsdb_tool_bin, 'create',
os.path.join(settings.getValue('TOOLS')['ovs_etc_tmp'], 'conf.db'),
settings.getValue('TOOLS')['ovsschema']
], self._logger, 'Creating ovsdb configuration database...')
ovsdb_server_bin = settings.getValue('TOOLS')['ovsdb-server']
if settings.getValue('CLEAN_OUTPUT'):
tasks.run_background_task([
'sudo', ovsdb_server_bin,
'--remote=punix:%s' % os.path.join(
settings.getValue('TOOLS')['ovs_var_tmp'], 'db.sock'),
'--remote=db:Open_vSwitch,Open_vSwitch,manager_options',
'--pidfile=' + self._ovsdb_pidfile_path, '--overwrite-pidfile',
'--verbose=off'
], self._logger, 'Starting ovsdb-server...')
else:
tasks.run_background_task([
'sudo', ovsdb_server_bin,
'--remote=punix:%s' % os.path.join(
settings.getValue('TOOLS')['ovs_var_tmp'], 'db.sock'),
'--remote=db:Open_vSwitch,Open_vSwitch,manager_options',
'--pidfile=' + self._ovsdb_pidfile_path, '--overwrite-pidfile'
], self._logger, 'Starting ovsdb-server...')
def _start_ovsdb(self):
"""Start ``ovsdb-server`` instance.
:returns: None
"""
tasks.run_task([
'sudo', _OVSDB_TOOL_BIN, 'create',
os.path.join(_OVS_ETC_DIR, 'conf.db'),
os.path.join(settings.getValue('OVS_DIR'), 'vswitchd',
'vswitch.ovsschema')
], self._logger, 'Creating ovsdb configuration database...')
tasks.run_background_task([
'sudo', _OVSDB_SERVER_BIN,
'--remote=punix:%s' % os.path.join(_OVS_VAR_DIR, 'db.sock'),
'--remote=db:Open_vSwitch,Open_vSwitch,manager_options',
'--pidfile=' + self._ovsdb_pidfile_path, '--overwrite-pidfile'
], self._logger, 'Starting ovsdb-server...')
def Exec_Shell_Background(command):
""" Execute a shell `command' at the background and return its PID id
"""
try:
pid = run_background_task(command.split(), _LOGGER,
"Background task: {}".format(command))
return pid
except OSError:
return None
def start(self):
# Command-1: Start Collectd
self.collectd_pid = tasks.run_background_task(
['sudo', self.collectd_cmd], self.logger, 'Staring Collectd')
# Command-2: Start PROX
working_dir = os.getcwd()
if os.path.exists(self.prox_home):
os.chdir(self.prox_home)
self.prox_pid = tasks.run_background_task(
['sudo', self.prox_cmd, '--test', 'irq', '--env', 'irq'],
self.logger, 'Start PROX')
os.chdir(working_dir)
# Command-3: Start CROND
tasks.run_task(['sudo', 'systemctl', 'start', 'crond'], self.logger,
'Staring CROND', True)
# command-4: BEATS
tasks.run_task(['sudo', 'systemctl', 'start', 'filebeat'], self.logger,
'Starting BEATS', True)
def __init__(self, results_dir, test_name):
"""
Initialize collection of statistics
"""
self.logger = logging.getLogger(__name__)
self.resultsdir = results_dir
self.testname = test_name
self.results = {}
self.sample_dict = multiprocessing.Manager().dict()
self.control = multiprocessing.Value('b', False)
self.receiver = Receiver(self.sample_dict, self.control)
self.cleanup_metrics()
# Assumption: collected is installed at /opt/collectd
# And collected is configured to write to csv at /tmp/csv
self.pid = tasks.run_background_task(
['sudo', '/opt/collectd/sbin/collectd'], self.logger,
'Staring Collectd')