def _l2_delete_segment(self, context, nwa_info):
session = context.network._plugin_context.session
del_segment = db.get_dynamic_segment(
session,
context.network.current['id'],
physical_network=nwa_info['physical_network'])
if del_segment:
LOG.debug('delete_network_segment %s', del_segment)
db.delete_network_segment(session, del_segment['id'])
def _l2_delete_segment(self, context, nwa_info):
session = context.network._plugin_context.session
del_segment = db.get_dynamic_segment(
session,
context.network.current['id'],
physical_network=nwa_info['physical_network'])
if del_segment:
LOG.debug('delete_network_segment %s', del_segment)
db.delete_network_segment(session, del_segment['id'])
def test_delete_network_segment(self):
segment = {api.NETWORK_TYPE: "vlan", api.PHYSICAL_NETWORK: "physnet1", api.SEGMENTATION_ID: 1}
net_segment = self._create_segments([segment])[0]
segment_uuid = net_segment[api.ID]
ml2_db.delete_network_segment(self.ctx.session, segment_uuid)
# Get segment and verify its empty
net_segment = ml2_db.get_segment_by_id(self.ctx.session, segment_uuid)
self.assertIsNone(net_segment)
def test_delete_network_segment(self):
segment = {api.NETWORK_TYPE: 'vlan',
api.PHYSICAL_NETWORK: 'physnet1',
api.SEGMENTATION_ID: 1}
net_segment = self._create_segments([segment])[0]
segment_uuid = net_segment[api.ID]
ml2_db.delete_network_segment(self.ctx.session, segment_uuid)
# Get segment and verify its empty
net_segment = ml2_db.get_segment_by_id(self.ctx.session, segment_uuid)
self.assertIsNone(net_segment)
def release_dynamic_segment_from_agent(self, context, **kwargs):
network_id = kwargs.get('network_id')
physical_network = kwargs.get('physical_network')
session = db_api.get_session()
del_segment = db_ml2.get_dynamic_segment(
session, network_id, physical_network=physical_network,
)
if del_segment:
LOG.debug("release_dynamic_segment segment=%s", del_segment)
if del_segment['segmentation_id'] != 0:
db_ml2.delete_network_segment(session, del_segment['id'])
def release_dynamic_segment(self, session, segment_id):
"""Delete a dynamic segment."""
segment = db.get_segment_by_id(session, segment_id)
if segment:
driver = self.drivers.get(segment.get(api.NETWORK_TYPE))
if driver:
driver.obj.release_segment(session, segment)
db.delete_network_segment(session, segment_id)
else:
LOG.error(_LE("Failed to release segment '%s' because " "network type is not supported."), segment)
else:
LOG.debug("No segment found with id %(segment_id)s", segment_id)
def release_dynamic_segment(self, session, segment_id):
"""Delete a dynamic segment."""
segment = db.get_segment_by_id(session, segment_id)
if segment:
driver = self.drivers.get(segment.get(api.NETWORK_TYPE))
if driver:
driver.obj.release_segment(session, segment)
db.delete_network_segment(session, segment_id)
else:
LOG.error(_("Failed to release segment '%s' because "
"network type is not supported."), segment)
else:
LOG.debug("No segment found with id %(segment_id)s", segment_id)
def release_dynamic_segment_from_agent(self, context, **kwargs):
network_id = kwargs.get('network_id')
physical_network = kwargs.get('physical_network')
session = db_api.get_session()
del_segment = db_ml2.get_dynamic_segment(
session,
network_id,
physical_network=physical_network,
)
if del_segment:
LOG.debug("release_dynamic_segment segment=%s", del_segment)
if del_segment['segmentation_id'] != 0:
db_ml2.delete_network_segment(session, del_segment['id'])
def update_network_segments(self, new_obj):
obj_id = new_obj.get('id')
LOG.debug("update network segments for %(obj_id)s",
{'obj_id': obj_id})
try:
new_segments = new_obj.get('segments')
if new_segments == None:
return
LOG.debug("new_segments %(new_segments)s",
{'new_segments': new_segments})
session = db_api.get_session()
with session.begin(subtransactions=True):
segments=db.get_network_segments(session, obj_id)
LOG.debug("update network segments when old segments %(segments)s",
{'segments': segments})
phy_network = self.physical_network
for segment in segments:
db.delete_network_segment(session, segment.get(api.ID))
for new_segment in new_segments:
network_type = new_segment.get(provider.NETWORK_TYPE)
model = None
filters = {}
segmentation_id = new_segment.get(provider.SEGMENTATION_ID)
new_segment_db = {api.NETWORK_TYPE: network_type,
api.PHYSICAL_NETWORK: new_segment.get(provider.PHYSICAL_NETWORK),
api.SEGMENTATION_ID: segmentation_id}
if new_segment.get(provider.NETWORK_TYPE) == 'vlan':
segment_index = 0
new_segment_db = {api.NETWORK_TYPE: network_type,
api.PHYSICAL_NETWORK: phy_network,
api.SEGMENTATION_ID: segmentation_id}
model = type_vlan.VlanAllocation
filters['physical_network'] = phy_network
filters['vlan_id'] = segmentation_id
else:
segment_index = 1
model = type_vxlan.VxlanAllocation
filters['vxlan_vni'] = segmentation_id
LOG.debug("update network segments when new segment %(new_segment)s",
{'new_segment': new_segment_db})
self.allocate_fully_specified_segment(session, network_type, model, **filters)
db.add_network_segment(session, obj_id, new_segment_db, segment_index)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(_LE("update network segments error on "
"%(object_id)s"),
{'object_id': obj_id})
