def create_network_precommit(self, context):
"""Add a network to NSX
This method does not handle provider networks correctly and
is out-of-scope for now.
"""
net_data = context.current
if net_data['admin_state_up'] is False:
LOG.warning(_("Network with admin_state_up=False are not yet "
"supported by this plugin. Ignoring setting for "
"network %s"), net_data.get('name', '<unknown>'))
transport_zone_config = self._convert_to_transport_zones(net_data)
nsx_switch = switchlib.create_lswitch(
self.cluster,
net_data['id'],
net_data['tenant_id'],
net_data.get('name'),
transport_zone_config,
shared=bool(net_data.get('shared'))
)
nsx_db.add_neutron_nsx_network_mapping(
context._plugin_context.session,
net_data['id'],
nsx_switch['uuid']
)
def get_nsx_switch_ids(session, cluster, neutron_network_id):
"""Return the NSX switch id for a given neutron network.
First lookup for mappings in Neutron database. If no mapping is
found, query the NSX backend and add the mappings.
"""
nsx_switch_ids = nsx_db.get_nsx_switch_ids(
session, neutron_network_id)
if not nsx_switch_ids:
# Find logical switches from backend.
# This is a rather expensive query, but it won't be executed
# more than once for each network in Neutron's lifetime
nsx_switches = switchlib.get_lswitches(cluster, neutron_network_id)
if not nsx_switches:
LOG.warn(_("Unable to find NSX switches for Neutron network %s"),
neutron_network_id)
return
nsx_switch_ids = []
with session.begin(subtransactions=True):
for nsx_switch in nsx_switches:
nsx_switch_id = nsx_switch['uuid']
nsx_switch_ids.append(nsx_switch_id)
# Create DB mapping
nsx_db.add_neutron_nsx_network_mapping(
session,
neutron_network_id,
nsx_switch_id)
return nsx_switch_ids
def get_nsx_switch_ids(session, cluster, neutron_network_id):
"""Return the NSX switch id for a given neutron network.
First lookup for mappings in Neutron database. If no mapping is
found, query the NSX backend and add the mappings.
"""
nsx_switch_ids = nsx_db.get_nsx_switch_ids(
session, neutron_network_id)
if not nsx_switch_ids:
# Find logical switches from backend.
# This is a rather expensive query, but it won't be executed
# more than once for each network in Neutron's lifetime
nsx_switches = switchlib.get_lswitches(cluster, neutron_network_id)
if not nsx_switches:
LOG.warn(_LW("Unable to find NSX switches for Neutron network %s"),
neutron_network_id)
return
nsx_switch_ids = []
with session.begin(subtransactions=True):
for nsx_switch in nsx_switches:
nsx_switch_id = nsx_switch['uuid']
nsx_switch_ids.append(nsx_switch_id)
# Create DB mapping
nsx_db.add_neutron_nsx_network_mapping(
session,
neutron_network_id,
nsx_switch_id)
return nsx_switch_ids
