def test_ovn_sb_sync(self):
ovn_sb_synchronizer = ovn_db_sync.OvnSbSynchronizer(
self.plugin, self.mech_driver._sb_ovn, self.mech_driver)
ovn_api = ovn_sb_synchronizer.ovn_api
hostname_with_physnets = {
'hostname1': ['physnet1', 'physnet2'],
'hostname2': ['physnet1']
}
ovn_api.get_chassis_hostname_and_physnets.return_value = (
hostname_with_physnets)
ovn_driver = ovn_sb_synchronizer.ovn_driver
ovn_driver.update_segment_host_mapping = mock.Mock()
hosts_in_neutron = {'hostname2', 'hostname3'}
with mock.patch.object(ovn_db_sync.segments_db,
'get_hosts_mapped_with_segments',
return_value=hosts_in_neutron):
ovn_sb_synchronizer.sync_hostname_and_physical_networks(mock.ANY)
all_hosts = set(hostname_with_physnets.keys()) | hosts_in_neutron
self.assertEqual(len(all_hosts),
ovn_driver.update_segment_host_mapping.call_count)
update_segment_host_mapping_calls = [
mock.call(host, hostname_with_physnets[host])
for host in hostname_with_physnets
]
update_segment_host_mapping_calls += [
mock.call(host, []) for host in hosts_in_neutron -
set(hostname_with_physnets.keys())
]
ovn_driver.update_segment_host_mapping.assert_has_calls(
update_segment_host_mapping_calls, any_order=True)
def main():
"""Main method for syncing neutron networks and ports with ovn nb db.
This script provides a utility for syncing the OVN Northbound Database
with the Neutron database.
This script is used for the migration from ML2/OVS to ML2/OVN.
"""
conf = setup_conf()
# if no config file is passed or no configuration options are passed
# then load configuration from /etc/neutron/neutron.conf
try:
conf(project='neutron')
except TypeError:
LOG.error('Error parsing the configuration values. Please verify.')
return
logging.setup(conf, 'neutron_ovn_db_sync_util')
LOG.info('Started Neutron OVN db sync')
mode = ovn_conf.get_ovn_neutron_sync_mode()
if mode not in [ovn_db_sync.SYNC_MODE_LOG, ovn_db_sync.SYNC_MODE_REPAIR]:
LOG.error('Invalid sync mode : ["%s"]. Should be "log" or "repair"',
mode)
return
# Validate and modify core plugin and ML2 mechanism drivers for syncing.
if (cfg.CONF.core_plugin.endswith('.Ml2Plugin')
or cfg.CONF.core_plugin == 'ml2'):
cfg.CONF.core_plugin = (
'neutron.cmd.ovn.neutron_ovn_db_sync_util.Ml2Plugin')
if not cfg.CONF.ml2.mechanism_drivers:
LOG.error('please use --config-file to specify '
'neutron and ml2 configuration file.')
return
if 'ovn' not in cfg.CONF.ml2.mechanism_drivers:
LOG.error('No "ovn" mechanism driver found : "%s".',
cfg.CONF.ml2.mechanism_drivers)
return
cfg.CONF.set_override('mechanism_drivers', ['ovn-sync'], 'ml2')
conf.service_plugins = [
'neutron.services.ovn_l3.plugin.OVNL3RouterPlugin',
'neutron.services.segments.plugin.Plugin',
'port_forwarding',
]
else:
LOG.error('Invalid core plugin : ["%s"].', cfg.CONF.core_plugin)
return
try:
conn = impl_idl_ovn.get_connection(impl_idl_ovn.OvsdbNbOvnIdl)
ovn_api = impl_idl_ovn.OvsdbNbOvnIdl(conn)
except RuntimeError:
LOG.error('Invalid --ovn-ovn_nb_connection parameter provided.')
return
try:
sb_conn = impl_idl_ovn.get_connection(impl_idl_ovn.OvsdbSbOvnIdl)
ovn_sb_api = impl_idl_ovn.OvsdbSbOvnIdl(sb_conn)
except RuntimeError:
LOG.error('Invalid --ovn-ovn_sb_connection parameter provided.')
return
manager.init()
core_plugin = directory.get_plugin()
driver = core_plugin.mechanism_manager.mech_drivers['ovn-sync']
# The L3 code looks for the OVSDB connection on the 'ovn' driver
# and will fail with a KeyError if it isn't there
core_plugin.mechanism_manager.mech_drivers['ovn'] = driver
ovn_driver = driver.obj
ovn_driver._nb_ovn = ovn_api
ovn_driver._sb_ovn = ovn_sb_api
synchronizer = ovn_db_sync.OvnNbSynchronizer(core_plugin, ovn_api,
ovn_sb_api, mode, ovn_driver)
LOG.info('Sync for Northbound db started with mode : %s', mode)
synchronizer.do_sync()
LOG.info('Sync completed for Northbound db')
sb_synchronizer = ovn_db_sync.OvnSbSynchronizer(core_plugin, ovn_sb_api,
ovn_driver)
LOG.info('Sync for Southbound db started with mode : %s', mode)
sb_synchronizer.do_sync()
LOG.info('Sync completed for Southbound db')