X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_ro%2Fnfvo.py;h=d45a3c79865436d3f1238aa520489f91ab4f70fb;hb=455612d1570ba8924c7170fa8f5d19729b080625;hp=3e59285bacb8680b7caeee262e11238011f7943c;hpb=46df967bc7851336d30f9879dcea76502dac70d5;p=osm%2FRO.git diff --git a/osm_ro/nfvo.py b/osm_ro/nfvo.py index 3e59285b..d45a3c79 100644 --- a/osm_ro/nfvo.py +++ b/osm_ro/nfvo.py @@ -44,6 +44,7 @@ import nfvo_db from threading import Lock from time import time from lib_osm_openvim import ovim as ovim_module +from lib_osm_openvim.ovim import ovimException global global_config global vimconn_imported @@ -2040,20 +2041,23 @@ def create_instance(mydb, tenant_id, instance_dict): for scenario_net in scenarioDict['nets']: if net_name == scenario_net["name"]: if 'ip-profile' in net_instance_desc: - ipprofile = net_instance_desc['ip-profile'] - ipprofile['subnet_address'] = ipprofile.pop('subnet-address',None) - ipprofile['ip_version'] = ipprofile.pop('ip-version','IPv4') - ipprofile['gateway_address'] = ipprofile.pop('gateway-address',None) - ipprofile['dns_address'] = ipprofile.pop('dns-address',None) - if 'dhcp' in ipprofile: - ipprofile['dhcp_start_address'] = ipprofile['dhcp'].get('start-address',None) - ipprofile['dhcp_enabled'] = ipprofile['dhcp'].get('enabled',True) - ipprofile['dhcp_count'] = ipprofile['dhcp'].get('count',None) - del ipprofile['dhcp'] + # translate from input format to database format + ipprofile_in = net_instance_desc['ip-profile'] + ipprofile_db = {} + ipprofile_db['subnet_address'] = ipprofile_in.get('subnet-address') + ipprofile_db['ip_version'] = ipprofile_in.get('ip-version', 'IPv4') + ipprofile_db['gateway_address'] = ipprofile_in.get('gateway-address') + ipprofile_db['dns_address'] = ipprofile_in.get('dns-address') + if isinstance(ipprofile_db['dns_address'], (list, tuple)): + ipprofile_db['dns_address'] = ";".join(ipprofile_db['dns_address']) + if 'dhcp' in ipprofile_in: + ipprofile_db['dhcp_start_address'] = ipprofile_in['dhcp'].get('start-address') + ipprofile_db['dhcp_enabled'] = ipprofile_in['dhcp'].get('enabled', True) + ipprofile_db['dhcp_count'] = ipprofile_in['dhcp'].get('count' ) if 'ip_profile' not in scenario_net: - scenario_net['ip_profile'] = ipprofile + scenario_net['ip_profile'] = ipprofile_db else: - update(scenario_net['ip_profile'],ipprofile) + update(scenario_net['ip_profile'], ipprofile_db) for interface in net_instance_desc.get('interfaces', () ): if 'ip_address' in interface: for vnf in scenarioDict['vnfs']: @@ -3075,6 +3079,137 @@ def datacenter_new_netmap(mydb, tenant_id, datacenter, action_dict=None): net_list.append(net_nfvo) return net_list +def get_sdn_net_id(mydb, tenant_id, datacenter, network_id): + # obtain all network data + try: + if utils.check_valid_uuid(network_id): + filter_dict = {"id": network_id} + else: + filter_dict = {"name": network_id} + + datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter) + network = myvim.get_network_list(filter_dict=filter_dict) + except vimconn.vimconnException as e: + print "vim_action Not possible to get_%s_list from VIM: %s " % (item, str(e)) + raise NfvoException("Not possible to get_{}_list from VIM: {}".format(item, str(e)), e.http_code) + + # ensure the network is defined + if len(network) == 0: + raise NfvoException("Network {} is not present in the system".format(network_id), + HTTP_Bad_Request) + + # ensure there is only one network with the provided name + if len(network) > 1: + raise NfvoException("Multiple networks present in vim identified by {}".format(network_id), HTTP_Bad_Request) + + # ensure it is a dataplane network + if network[0]['type'] != 'data': + return None + + # ensure we use the id + network_id = network[0]['id'] + + # search in dabase mano_db in table instance nets for the sdn_net_id that corresponds to the vim_net_id==network_id + # and with instance_scenario_id==NULL + #search_dict = {'vim_net_id': network_id, 'instance_scenario_id': None} + search_dict = {'vim_net_id': network_id} + + try: + #sdn_network_id = mydb.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets', WHERE=search_dict)[0]['sdn_net_id'] + result = mydb.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets', WHERE=search_dict) + except db_base_Exception as e: + raise NfvoException("db_base_Exception obtaining SDN network to associated to vim network {}".format( + network_id) + str(e), HTTP_Internal_Server_Error) + + sdn_net_counter = 0 + for net in result: + if net['sdn_net_id'] != None: + sdn_net_counter+=1 + sdn_net_id = net['sdn_net_id'] + + if sdn_net_counter == 0: + return None + elif sdn_net_counter == 1: + return sdn_net_id + else: + raise NfvoException("More than one SDN network is associated to vim network {}".format( + network_id), HTTP_Internal_Server_Error) + +def get_sdn_controller_id(mydb, datacenter): + # Obtain sdn controller id + config = mydb.get_rows(SELECT=('config',), FROM='datacenters', WHERE={'uuid': datacenter})[0].get('config', '{}') + if not config: + return None + + return yaml.load(config).get('sdn-controller') + +def vim_net_sdn_attach(mydb, tenant_id, datacenter, network_id, descriptor): + try: + sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, network_id) + if not sdn_network_id: + raise NfvoException("No SDN network is associated to vim-network {}".format(network_id), HTTP_Internal_Server_Error) + + #Obtain sdn controller id + controller_id = get_sdn_controller_id(mydb, datacenter) + if not controller_id: + raise NfvoException("No SDN controller is set for datacenter {}".format(datacenter), HTTP_Internal_Server_Error) + + #Obtain sdn controller info + sdn_controller = ovim.show_of_controller(controller_id) + + port_data = { + 'name': 'external_port', + 'net_id': sdn_network_id, + 'ofc_id': controller_id, + 'switch_dpid': sdn_controller['dpid'], + 'switch_port': descriptor['port'] + } + + if 'vlan' in descriptor: + port_data['vlan'] = descriptor['vlan'] + if 'mac' in descriptor: + port_data['mac'] = descriptor['mac'] + + result = ovim.new_port(port_data) + except ovimException as e: + raise NfvoException("ovimException attaching SDN network {} to vim network {}".format( + sdn_network_id, network_id) + str(e), HTTP_Internal_Server_Error) + except db_base_Exception as e: + raise NfvoException("db_base_Exception attaching SDN network to vim network {}".format( + network_id) + str(e), HTTP_Internal_Server_Error) + + return 'Port uuid: '+ result + +def vim_net_sdn_detach(mydb, tenant_id, datacenter, network_id, port_id=None): + if port_id: + filter = {'uuid': port_id} + else: + sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, network_id) + if not sdn_network_id: + raise NfvoException("No SDN network is associated to vim-network {}".format(network_id), + HTTP_Internal_Server_Error) + #in case no port_id is specified only ports marked as 'external_port' will be detached + filter = {'name': 'external_port', 'net_id': sdn_network_id} + + try: + port_list = ovim.get_ports(columns={'uuid'}, filter=filter) + except ovimException as e: + raise NfvoException("ovimException obtaining external ports for net {}. ".format(network_id) + str(e), + HTTP_Internal_Server_Error) + + if len(port_list) == 0: + raise NfvoException("No ports attached to the network {} were found with the requested criteria".format(network_id), + HTTP_Bad_Request) + + port_uuid_list = [] + for port in port_list: + try: + port_uuid_list.append(port['uuid']) + ovim.delete_port(port['uuid']) + except ovimException as e: + raise NfvoException("ovimException deleting port {} for net {}. ".format(port['uuid'], network_id) + str(e), HTTP_Internal_Server_Error) + + return 'Detached ports uuid: {}'.format(','.join(port_uuid_list)) def vim_action_get(mydb, tenant_id, datacenter, item, name): #get datacenter info @@ -3089,9 +3224,32 @@ def vim_action_get(mydb, tenant_id, datacenter, item, name): if item=="networks": #filter_dict['tenant_id'] = myvim['tenant_id'] content = myvim.get_network_list(filter_dict=filter_dict) + + if len(content) == 0: + raise NfvoException("Network {} is not present in the system. ".format(name), + HTTP_Bad_Request) + + #Update the networks with the attached ports + for net in content: + sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, net['id']) + if sdn_network_id != None: + try: + #port_list = ovim.get_ports(columns={'uuid', 'switch_port', 'vlan'}, filter={'name': 'external_port', 'net_id': sdn_network_id}) + port_list = ovim.get_ports(columns={'uuid', 'switch_port', 'vlan','name'}, filter={'net_id': sdn_network_id}) + except ovimException as e: + raise NfvoException("ovimException obtaining external ports for net {}. ".format(network_id) + str(e), HTTP_Internal_Server_Error) + #Remove field name and if port name is external_port save it as 'type' + for port in port_list: + if port['name'] == 'external_port': + port['type'] = "External" + del port['name'] + net['sdn_network_id'] = sdn_network_id + net['sdn_attached_ports'] = port_list + elif item=="tenants": content = myvim.get_tenant_list(filter_dict=filter_dict) elif item == "images": + content = myvim.get_image_list(filter_dict=filter_dict) else: raise NfvoException(item + "?", HTTP_Method_Not_Allowed) @@ -3128,6 +3286,36 @@ def vim_action_delete(mydb, tenant_id, datacenter, item, name): try: if item=="networks": + # If there is a SDN network associated to the vim-network, proceed to clear the relationship and delete it + sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, item_id) + if sdn_network_id != None: + #Delete any port attachment to this network + try: + port_list = ovim.get_ports(columns={'uuid'}, filter={'net_id': sdn_network_id}) + except ovimException as e: + raise NfvoException( + "ovimException obtaining external ports for net {}. ".format(network_id) + str(e), + HTTP_Internal_Server_Error) + + # By calling one by one all ports to be detached we ensure that not only the external_ports get detached + for port in port_list: + vim_net_sdn_detach(mydb, tenant_id, datacenter, item_id, port['uuid']) + + #Delete from 'instance_nets' the correspondence between the vim-net-id and the sdn-net-id + try: + mydb.delete_row(FROM='instance_nets', WHERE={'instance_scenario_id': None, 'sdn_net_id': sdn_network_id, 'vim_net_id': item_id}) + except db_base_Exception as e: + raise NfvoException("Error deleting correspondence for VIM/SDN dataplane networks{}: ".format(correspondence) + + str(e), HTTP_Internal_Server_Error) + + #Delete the SDN network + try: + ovim.delete_network(sdn_network_id) + except ovimException as e: + logger.error("ovimException deleting SDN network={} ".format(sdn_network_id) + str(e), exc_info=True) + raise NfvoException("ovimException deleting SDN network={} ".format(sdn_network_id) + str(e), + HTTP_Internal_Server_Error) + content = myvim.delete_network(item_id) elif item=="tenants": content = myvim.delete_tenant(item_id) @@ -3157,6 +3345,32 @@ def vim_action_create(mydb, tenant_id, datacenter, item, descriptor): net_ipprofile = net.pop("ip_profile", None) net_vlan = net.pop("vlan", None) content = myvim.new_network(net_name, net_type, net_ipprofile, shared=net_public, vlan=net_vlan) #, **net) + + #If the datacenter has a SDN controller defined and the network is of dataplane type, then create the sdn network + if get_sdn_controller_id(mydb, datacenter) != None and (net_type == 'data' or net_type == 'ptp'): + try: + sdn_network = {} + sdn_network['vlan'] = net_vlan + sdn_network['type'] = net_type + sdn_network['name'] = net_name + ovim_content = ovim.new_network(sdn_network) + except ovimException as e: + self.logger.error("ovimException creating SDN network={} ".format( + sdn_network) + str(e), exc_info=True) + raise NfvoException("ovimException creating SDN network={} ".format(sdn_network) + str(e), + HTTP_Internal_Server_Error) + + # Save entry in in dabase mano_db in table instance_nets to stablish a dictionary vim_net_id <->sdn_net_id + # use instance_scenario_id=None to distinguish from real instaces of nets + correspondence = {'instance_scenario_id': None, 'sdn_net_id': ovim_content, 'vim_net_id': content} + #obtain datacenter_tenant_id + correspondence['datacenter_tenant_id'] = mydb.get_rows(SELECT=('uuid',), FROM='datacenter_tenants', WHERE={'datacenter_id': datacenter})[0]['uuid'] + + try: + mydb.new_row('instance_nets', correspondence, add_uuid=True) + except db_base_Exception as e: + raise NfvoException("Error saving correspondence for VIM/SDN dataplane networks{}: ".format(correspondence) + + str(e), HTTP_Internal_Server_Error) elif item=="tenants": tenant = descriptor["tenant"] content = myvim.new_tenant(tenant["name"], tenant.get("description")) @@ -3250,9 +3464,11 @@ def datacenter_sdn_port_mapping_list(mydb, tenant_id, datacenter_id): result["sdn-controller"] = controller_id result["dpid"] = sdn_controller["dpid"] - if result["sdn-controller"] == None or result["dpid"] == None: - raise NfvoException("Not all SDN controller information for datacenter {} could be found: {}".format(datacenter_id, result), - HTTP_Internal_Server_Error) + if result["sdn-controller"] == None: + raise NfvoException("SDN controller is not defined for datacenter {}".format(datacenter_id), HTTP_Bad_Request) + if result["dpid"] == None: + raise NfvoException("It was not possible to determine DPID for SDN controller {}".format(result["sdn-controller"]), + HTTP_Internal_Server_Error) if len(maps) == 0: return result