84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
# Copyright 2017 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log
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from ovs.db import idl
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from ovsdbapp.backend.ovs_idl import connection
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from ovsdbapp.backend.ovs_idl import idlutils
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from ovsdbapp.schema.open_vswitch import impl_idl as idl_ovs
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import tenacity
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from neutron.conf.plugins.ml2.drivers.ovn import ovn_conf as config
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from neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb import impl_idl_ovn
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from neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb import ovsdb_monitor
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LOG = log.getLogger(__name__)
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class MetadataAgentOvnSbIdl(ovsdb_monitor.OvnIdl):
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SCHEMA = 'OVN_Southbound'
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def __init__(self, chassis=None, events=None, tables=None):
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connection_string = config.get_ovn_sb_connection()
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ovsdb_monitor._check_and_set_ssl_files(self.SCHEMA)
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helper = self._get_ovsdb_helper(connection_string)
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if tables is None:
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tables = ('Chassis', 'Encap', 'Port_Binding', 'Datapath_Binding',
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'SB_Global')
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for table in tables:
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helper.register_table(table)
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super(MetadataAgentOvnSbIdl, self).__init__(
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None, connection_string, helper)
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if chassis:
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for table in set(tables).intersection({'Chassis',
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'Chassis_Private'}):
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self.tables[table].condition = [['name', '==', chassis]]
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if events:
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self.notify_handler.watch_events(events)
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@tenacity.retry(
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wait=tenacity.wait_exponential(max=180),
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reraise=True)
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def _get_ovsdb_helper(self, connection_string):
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return idlutils.get_schema_helper(connection_string, self.SCHEMA)
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@tenacity.retry(
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wait=tenacity.wait_exponential(
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max=config.get_ovn_ovsdb_retry_max_interval()),
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reraise=True)
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def start(self):
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LOG.info('Getting OvsdbSbOvnIdl for MetadataAgent with retry')
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conn = connection.Connection(
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self, timeout=config.get_ovn_ovsdb_timeout())
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return impl_idl_ovn.OvsdbSbOvnIdl(conn)
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class MetadataAgentOvsIdl(object):
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def start(self):
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connection_string = config.cfg.CONF.ovs.ovsdb_connection
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helper = idlutils.get_schema_helper(connection_string,
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'Open_vSwitch')
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tables = ('Open_vSwitch', 'Bridge', 'Port', 'Interface')
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for table in tables:
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helper.register_table(table)
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ovs_idl = idl.Idl(
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connection_string, helper,
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probe_interval=config.get_ovn_ovsdb_probe_interval())
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conn = connection.Connection(
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ovs_idl, timeout=config.cfg.CONF.ovs.ovsdb_connection_timeout)
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return idl_ovs.OvsdbIdl(conn)
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