def start(self):
# Open the connection to OVS database
self.ovs_idl = ovsdb.MetadataAgentOvsIdl().start()
self._load_config()
# Launch the server that will act as a proxy between the VM's and Nova.
proxy = metadata_server.UnixDomainMetadataProxy(self.conf)
proxy.run()
# Open the connection to OVN SB database.
self.sb_idl = ovsdb.MetadataAgentOvnSbIdl(
chassis=self.chassis,
events=[
PortBindingChassisCreatedEvent(self),
PortBindingChassisDeletedEvent(self),
ChassisCreateEvent(self),
SbGlobalUpdateEvent(self)
]).start()
# Do the initial sync.
self.sync()
# Register the agent with its corresponding Chassis
self.register_metadata_agent()
proxy.wait()
def start(self):
# Open the connection to OVS database
self.ovs_idl = ovsdb.MetadataAgentOvsIdl().start()
self._load_config()
# Launch the server that will act as a proxy between the VM's and Nova.
proxy = metadata_server.UnixDomainMetadataProxy(
self.conf, self.chassis)
proxy.run()
tables = ('Encap', 'Port_Binding', 'Datapath_Binding', 'SB_Global',
'Chassis')
events = (PortBindingChassisCreatedEvent(self),
PortBindingChassisDeletedEvent(self),
SbGlobalUpdateEvent(self))
# TODO(lucasagomes): Remove this in the future. Try to register
# the Chassis_Private table, if not present, fallback to the normal
# Chassis table.
# Open the connection to OVN SB database.
self.has_chassis_private = False
self._post_fork_event.clear()
try:
self.sb_idl = ovsdb.MetadataAgentOvnSbIdl(
chassis=self.chassis,
tables=tables + ('Chassis_Private', ),
events=events + (ChassisPrivateCreateEvent(self), )).start()
self.has_chassis_private = True
except AssertionError:
self.sb_idl = ovsdb.MetadataAgentOvnSbIdl(
chassis=self.chassis,
tables=tables,
events=events + (ChassisCreateEvent(self), )).start()
# Now IDL connections can be safely used.
self._post_fork_event.set()
# Do the initial sync.
self.sync()
# Register the agent with its corresponding Chassis
self.register_metadata_agent()
proxy.wait()
def post_fork_initialize(self, resource, event, trigger, payload=None):
# We need to open a connection to OVN SouthBound database for
# each worker so that we can process the metadata requests.
self._post_fork_event.clear()
self.sb_idl = ovsdb.MetadataAgentOvnSbIdl(
tables=('Port_Binding', 'Datapath_Binding', 'Chassis'),
chassis=self.chassis).start()
# Now IDL connections can be safely used.
self._post_fork_event.set()
def post_fork_initialize(self, resource, event, trigger, payload=None):
# We need to open a connection to OVN SouthBound database for
# each worker so that we can process the metadata requests.
self.sb_idl = ovsdb.MetadataAgentOvnSbIdl(
tables=('Port_Binding', 'Datapath_Binding')).start()
