+++ /dev/null
-#!/usr/bin/env python
-# vim: tabstop=4 shiftwidth=4 softtabstop=4
-#
-# Copyright 2012 Cisco Systems, Inc.
-# Copyright 2012 NTT MCL, Inc.
-# All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-#
-#
-# Performs per host Linux Bridge configuration for Quantum.
-# Based on the structure of the OpenVSwitch agent in the
-# Quantum OpenVSwitch Plugin.
-# @author: Sumit Naiksatam, Cisco Systems, Inc.
-
-import logging
-import sys
-import time
-
-from sqlalchemy.ext.sqlsoup import SqlSoup
-
-from quantum.openstack.common import cfg
-from quantum.common import config as logging_config
-from quantum.common import constants
-from quantum.plugins.linuxbridge.common import config
-import quantum.plugins.linuxbridge.agent.linuxbridge_quantum_agent as lb
-
-from quantum.agent.linux import utils
-
-logging.basicConfig()
-LOG = logging.getLogger(__name__)
-
-BRIDGE_NAME_PREFIX = "brq"
-VLAN_BINDINGS = "vlan_bindings"
-PORT_BINDINGS = "port_bindings"
-
-
-class MetaLinuxBridgeQuantumAgent(lb.LinuxBridgeQuantumAgent):
-
- def manage_networks_on_host(self, db,
- old_vlan_bindings,
- old_port_bindings):
- vlan_bindings = {}
- try:
- flavor_key = db.flavors.network_id
- vlan_key = db.vlan_bindings.network_id
- query = db.session.query(db.vlan_bindings)
- joined = query.join((db.flavors,
- flavor_key == vlan_key))
- where = db.flavors.flavor == 'linuxbridge'
- vlan_binds = joined.filter(where).all()
- except Exception as e:
- LOG.info("Unable to get vlan bindings! Exception: %s" % e)
- self.db_connected = False
- return {VLAN_BINDINGS: {},
- PORT_BINDINGS: []}
-
- vlans_string = ""
- for bind in vlan_binds:
- entry = {'network_id': bind.network_id, 'vlan_id': bind.vlan_id}
- vlan_bindings[bind.network_id] = entry
- vlans_string = "%s %s" % (vlans_string, entry)
-
- port_bindings = []
- try:
- flavor_key = db.flavors.network_id
- port_key = db.ports.network_id
- query = db.session.query(db.ports)
- joined = query.join((db.flavors,
- flavor_key == port_key))
- where = db.flavors.flavor == 'linuxbridge'
- port_binds = joined.filter(where).all()
- except Exception as e:
- LOG.info("Unable to get port bindings! Exception: %s" % e)
- self.db_connected = False
- return {VLAN_BINDINGS: {},
- PORT_BINDINGS: []}
-
- all_bindings = {}
- for bind in port_binds:
- append_entry = False
- if self.target_v2_api:
- all_bindings[bind.id] = bind
- entry = {'network_id': bind.network_id,
- 'uuid': bind.id,
- 'status': bind.status,
- 'interface_id': bind.id}
- append_entry = bind.admin_state_up
- else:
- all_bindings[bind.uuid] = bind
- entry = {'network_id': bind.network_id, 'state': bind.state,
- 'op_status': bind.op_status, 'uuid': bind.uuid,
- 'interface_id': bind.interface_id}
- append_entry = bind.state == constants.PORT_STATUS_ACTIVE
- if append_entry:
- port_bindings.append(entry)
-
- plugged_interfaces = []
- ports_string = ""
- for pb in port_bindings:
- ports_string = "%s %s" % (ports_string, pb)
- port_id = pb['uuid']
- interface_id = pb['interface_id']
-
- vlan_id = str(vlan_bindings[pb['network_id']]['vlan_id'])
- if self.process_port_binding(port_id,
- pb['network_id'],
- interface_id,
- vlan_id):
- if self.target_v2_api:
- all_bindings[port_id].status = constants.PORT_STATUS_ACTIVE
- else:
- all_bindings[port_id].op_status = (
- constants.PORT_STATUS_ACTIVE)
-
- plugged_interfaces.append(interface_id)
-
- if old_port_bindings != port_bindings:
- LOG.debug("Port-bindings: %s" % ports_string)
-
- self.process_unplugged_interfaces(plugged_interfaces)
-
- if old_vlan_bindings != vlan_bindings:
- LOG.debug("VLAN-bindings: %s" % vlans_string)
-
- self.process_deleted_networks(vlan_bindings)
-
- try:
- db.commit()
- except Exception as e:
- LOG.info("Unable to update database! Exception: %s" % e)
- db.rollback()
- vlan_bindings = {}
- port_bindings = []
-
- return {VLAN_BINDINGS: vlan_bindings,
- PORT_BINDINGS: port_bindings}
-
-
-def main():
- cfg.CONF(args=sys.argv, project='quantum')
-
- # (TODO) - swap with common logging
- logging_config.setup_logging(cfg.CONF)
-
- br_name_prefix = BRIDGE_NAME_PREFIX
- physical_interface = cfg.CONF.LINUX_BRIDGE.physical_interface
- polling_interval = cfg.CONF.AGENT.polling_interval
- reconnect_interval = cfg.CONF.DATABASE.reconnect_interval
- root_helper = cfg.CONF.AGENT.root_helper
- 'Establish database connection and load models'
- db_connection_url = cfg.CONF.DATABASE.sql_connection
- plugin = MetaLinuxBridgeQuantumAgent(br_name_prefix, physical_interface,
- polling_interval, reconnect_interval,
- root_helper,
- cfg.CONF.AGENT.target_v2_api)
- LOG.info("Agent initialized successfully, now running... ")
- plugin.daemon_loop(db_connection_url)
-
- sys.exit(0)
-
-if __name__ == "__main__":
- main()
+++ /dev/null
-#!/usr/bin/env python
-# vim: tabstop=4 shiftwidth=4 softtabstop=4
-# Copyright 2011 Nicira Networks, Inc.
-# All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-# @author: Somik Behera, Nicira Networks, Inc.
-# @author: Brad Hall, Nicira Networks, Inc.
-# @author: Dan Wendlandt, Nicira Networks, Inc.
-# @author: Dave Lapsley, Nicira Networks, Inc.
-# @author: Aaron Rosen, Nicira Networks, Inc.
-
-import logging
-import sys
-import time
-
-from sqlalchemy.ext import sqlsoup
-
-from quantum.agent.linux import ovs_lib
-from quantum.common import config as logging_config
-from quantum.common import constants
-from quantum.openstack.common import cfg
-from quantum.plugins.openvswitch.common import config
-from quantum.plugins.openvswitch.agent.ovs_quantum_agent import OVSQuantumAgent
-
-logging.basicConfig()
-LOG = logging.getLogger(__name__)
-
-# A placeholder for dead vlans.
-DEAD_VLAN_TAG = "4095"
-
-
-class MetaOVSQuantumAgent(OVSQuantumAgent):
-
- def daemon_loop(self, db_connection_url):
- '''Main processing loop for Non-Tunneling Agent.
-
- :param options: database information - in the event need to reconnect
- '''
- self.local_vlan_map = {}
- old_local_bindings = {}
- old_vif_ports = {}
- db_connected = False
-
- while True:
- if not db_connected:
- time.sleep(self.reconnect_interval)
- db = sqlsoup.SqlSoup(db_connection_url)
- db_connected = True
- LOG.info("Connecting to database \"%s\" on %s" %
- (db.engine.url.database, db.engine.url.host))
-
- all_bindings = {}
- try:
- flavor_key = db.flavors.network_id
- port_key = db.ports.network_id
- query = db.session.query(db.ports)
- joined = query.join((db.flavors,
- flavor_key == port_key))
- where = db.flavors.flavor == 'openvswitch'
- ports = joined.filter(where).all()
- except Exception, e:
- LOG.info("Unable to get port bindings! Exception: %s" % e)
- db_connected = False
- continue
-
- for port in ports:
- if self.target_v2_api:
- all_bindings[port.id] = port
- else:
- all_bindings[port.interface_id] = port
-
- vlan_bindings = {}
- try:
- flavor_key = db.flavors.network_id
- vlan_key = db.vlan_bindings.network_id
- query = db.session.query(db.vlan_bindings)
- joined = query.join((db.flavors,
- flavor_key == vlan_key))
- where = db.flavors.flavor == 'openvswitch'
- vlan_binds = joined.filter(where).all()
- except Exception, e:
- LOG.info("Unable to get vlan bindings! Exception: %s" % e)
- db_connected = False
- continue
-
- for bind in vlan_binds:
- vlan_bindings[bind.network_id] = bind.vlan_id
-
- new_vif_ports = {}
- new_local_bindings = {}
- vif_ports = self.int_br.get_vif_ports()
- for p in vif_ports:
- new_vif_ports[p.vif_id] = p
- if p.vif_id in all_bindings:
- net_id = all_bindings[p.vif_id].network_id
- new_local_bindings[p.vif_id] = net_id
- else:
- # no binding, put him on the 'dead vlan'
- self.int_br.set_db_attribute("Port", p.port_name, "tag",
- DEAD_VLAN_TAG)
- self.int_br.add_flow(priority=2,
- in_port=p.ofport,
- actions="drop")
-
- old_b = old_local_bindings.get(p.vif_id, None)
- new_b = new_local_bindings.get(p.vif_id, None)
-
- if old_b != new_b:
- if old_b is not None:
- LOG.info("Removing binding to net-id = %s for %s"
- % (old_b, str(p)))
- self.port_unbound(p, True)
- if p.vif_id in all_bindings:
- all_bindings[p.vif_id].status = (
- constants.PORT_STATUS_DOWN)
- if new_b is not None:
- # If we don't have a binding we have to stick it on
- # the dead vlan
- net_id = all_bindings[p.vif_id].network_id
- vlan_id = vlan_bindings.get(net_id, DEAD_VLAN_TAG)
- self.port_bound(p, vlan_id)
- if p.vif_id in all_bindings:
- all_bindings[p.vif_id].status = (
- constants.PORT_STATUS_ACTIVE)
- LOG.info(("Adding binding to net-id = %s "
- "for %s on vlan %s") %
- (new_b, str(p), vlan_id))
-
- for vif_id in old_vif_ports:
- if vif_id not in new_vif_ports:
- LOG.info("Port Disappeared: %s" % vif_id)
- if vif_id in old_local_bindings:
- old_b = old_local_bindings[vif_id]
- self.port_unbound(old_vif_ports[vif_id], False)
- if vif_id in all_bindings:
- all_bindings[vif_id].status = (
- constants.PORT_STATUS_DOWN)
-
- old_vif_ports = new_vif_ports
- old_local_bindings = new_local_bindings
- try:
- db.commit()
- except Exception, e:
- LOG.info("Unable to commit to database! Exception: %s" % e)
- db.rollback()
- old_local_bindings = {}
- old_vif_ports = {}
-
- time.sleep(self.polling_interval)
-
-
-def main():
- cfg.CONF(args=sys.argv, project='quantum')
-
- # (TODO) gary - swap with common logging
- logging_config.setup_logging(cfg.CONF)
-
- # Determine which agent type to use.
- enable_tunneling = cfg.CONF.OVS.enable_tunneling
- integ_br = cfg.CONF.OVS.integration_bridge
- db_connection_url = cfg.CONF.DATABASE.sql_connection
- polling_interval = cfg.CONF.AGENT.polling_interval
- reconnect_interval = cfg.CONF.DATABASE.reconnect_interval
- root_helper = cfg.CONF.AGENT.root_helper
-
- # Determine API Version to use
- target_v2_api = cfg.CONF.AGENT.target_v2_api
-
- # Get parameters for OVSQuantumAgent.
- plugin = MetaOVSQuantumAgent(integ_br, root_helper, polling_interval,
- reconnect_interval, target_v2_api)
-
- # Start everything.
- plugin.daemon_loop(db_connection_url)
-
- sys.exit(0)
-
-if __name__ == "__main__":
- main()