def create_network(self, context, network): (network_type, physical_network, vlan_id) = self._process_provider_create(context, network['network']) session = context.session with session.begin(subtransactions=True): if not network_type: # tenant network network_type = self.tenant_network_type if network_type == constants.TYPE_NONE: raise q_exc.TenantNetworksDisabled() elif network_type == constants.TYPE_VLAN: physical_network, vlan_id = db.reserve_network(session) else: # TYPE_LOCAL vlan_id = constants.LOCAL_VLAN_ID else: # provider network if network_type in [constants.TYPE_VLAN, constants.TYPE_FLAT]: db.reserve_specific_network(session, physical_network, vlan_id) # no reservation needed for TYPE_LOCAL net = super(LinuxBridgePluginV2, self).create_network(context, network) db.add_network_binding(session, net['id'], physical_network, vlan_id) self._process_l3_create(context, network['network'], net['id']) self._extend_network_dict_provider(context, net) self._extend_network_dict_l3(context, net) # note - exception will rollback entire transaction return net
def _process_provider_create(self, context, session, attrs): network_type = attrs.get(provider.NETWORK_TYPE) network_type_set = attributes.is_attr_set(network_type) if not network_type_set: if self._tenant_network_type == constants.TYPE_NONE: raise q_exc.TenantNetworksDisabled() network_type = self._tenant_network_type attrs[provider.NETWORK_TYPE] = network_type if network_type not in self._network_providers_map: msg = _("Network type %s not supported") % network_type raise q_exc.InvalidInput(error_message=msg) p = self._network_providers_map[network_type] # Provider specific network creation p.create_network(session, attrs)
def create_network(self, context, network): (network_type, physical_network, segmentation_id) = self._process_provider_create(context, network['network']) session = context.session #set up default security groups tenant_id = self._get_tenant_id_for_create( context, network['network']) self._ensure_default_security_group(context, tenant_id) with session.begin(subtransactions=True): if not network_type: # tenant network network_type = self.tenant_network_type if network_type == constants.TYPE_NONE: raise q_exc.TenantNetworksDisabled() elif network_type == constants.TYPE_VLAN: (physical_network, segmentation_id) = ovs_db_v2.reserve_vlan(session) elif network_type == constants.TYPE_GRE: segmentation_id = ovs_db_v2.reserve_tunnel(session) # no reservation needed for TYPE_LOCAL else: # provider network if network_type in [constants.TYPE_VLAN, constants.TYPE_FLAT]: ovs_db_v2.reserve_specific_vlan(session, physical_network, segmentation_id) elif network_type == constants.TYPE_GRE: ovs_db_v2.reserve_specific_tunnel(session, segmentation_id) # no reservation needed for TYPE_LOCAL net = super(OVSQuantumPluginV2, self).create_network(context, network) ovs_db_v2.add_network_binding(session, net['id'], network_type, physical_network, segmentation_id) self._process_l3_create(context, network['network'], net['id']) self._extend_network_dict_provider(context, net) self._extend_network_dict_l3(context, net) # note - exception will rollback entire transaction LOG.debug(_("Created network: %s"), net['id']) return net