def update_port_pair_group(self, context, id, port_pair_group):
new_pg = port_pair_group['port_pair_group']
with context.session.begin(subtransactions=True):
portpairs_list = [self._get_port_pair(context, pp_id)
for pp_id in new_pg.get('port_pairs', [])]
for portpair in portpairs_list:
if (
portpair.portpairgroup_id and
portpair.portpairgroup_id != id
):
raise ext_sfc.PortPairInUse(id=portpair.id)
old_pg = self._get_port_pair_group(context, id)
for k, v in six.iteritems(new_pg):
if k == 'port_pairs':
port_pairs = [
self._get_port_pair(context, pp_id)
for pp_id in v
]
old_pg.port_pairs = port_pairs
else:
old_pg[k] = v
return self._make_port_pair_group_dict(old_pg)
def delete_port_pair(self, context, id):
try:
with db_api.context_manager.writer.using(context):
pp = self._get_port_pair(context, id)
if pp.portpairgroup_id:
raise ext_sfc.PortPairInUse(id=id)
context.session.delete(pp)
except ext_sfc.PortPairNotFound:
LOG.info("Deleting a non-existing port pair.")
def delete_port_pair(self, context, id):
try:
with context.session.begin(subtransactions=True):
pp = self._get_port_pair(context, id)
if pp.portpairgroup_id:
raise ext_sfc.PortPairInUse(id=id)
context.session.delete(pp)
except ext_sfc.PortPairNotFound:
LOG.info(_LI("Deleting a non-existing port pair."))
def _validate_pps_in_ppg(self, portpairs_list, id=None):
first_check = True
correlation = None
for portpair in portpairs_list:
sfparams = portpair.service_function_parameters
pp_corr = sfparams['correlation']
if first_check:
first_check = False
correlation = pp_corr.value
if pp_corr.value != correlation:
# don't include PPs of different correlations
raise ext_sfc.InconsistentCorrelations()
if (portpair.portpairgroup_id and portpair.portpairgroup_id != id):
# don't include PPs included by other PPGs
raise ext_sfc.PortPairInUse(id=portpair.id)
def create_port_pair_group(self, context, port_pair_group):
"""Create a port pair group."""
pg = port_pair_group['port_pair_group']
tenant_id = self._get_tenant_id_for_create(context, pg)
with context.session.begin(subtransactions=True):
portpairs_list = [
self._get_port_pair(context, pp_id)
for pp_id in pg['port_pairs']
]
for portpair in portpairs_list:
if portpair.portpairgroup_id:
raise ext_sfc.PortPairInUse(id=portpair.id)
port_pair_group_db = PortPairGroup(id=uuidutils.generate_uuid(),
name=pg['name'],
description=pg['description'],
tenant_id=tenant_id,
port_pairs=portpairs_list)
context.session.add(port_pair_group_db)
return self._make_port_pair_group_dict(port_pair_group_db)
def create_port_pair_group(self, context, port_pair_group):
"""Create a port pair group."""
pg = port_pair_group['port_pair_group']
tenant_id = pg['tenant_id']
with context.session.begin(subtransactions=True):
portpairs_list = [self._get_port_pair(context, pp_id)
for pp_id in pg['port_pairs']]
for portpair in portpairs_list:
if portpair.portpairgroup_id:
raise ext_sfc.PortPairInUse(id=portpair.id)
port_pair_group_parameters = {
key: PortPairGroupParam(
keyword=key, value=jsonutils.dumps(val))
for key, val in six.iteritems(
pg['port_pair_group_parameters']
)
}
assigned_group_ids = {}
query = self._model_query(context, PortPairGroup)
for port_pair_group_db in query.all():
assigned_group_ids[port_pair_group_db['group_id']] = (
port_pair_group_db['id']
)
group_id = 0
available_group_id = 1
while True:
if available_group_id not in assigned_group_ids:
group_id = available_group_id
break
available_group_id += 1
port_pair_group_db = PortPairGroup(
id=uuidutils.generate_uuid(),
name=pg['name'],
description=pg['description'],
tenant_id=tenant_id,
port_pairs=portpairs_list,
port_pair_group_parameters=port_pair_group_parameters,
group_id=group_id)
context.session.add(port_pair_group_db)
return self._make_port_pair_group_dict(port_pair_group_db)