diff options
Diffstat (limited to 'yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py')
| -rw-r--r-- | yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py | 163 |
1 files changed, 156 insertions, 7 deletions
diff --git a/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py b/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py index 4c13112be..1d37f8f6f 100644 --- a/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py +++ b/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py @@ -43,7 +43,8 @@ class IxiaBasicScenario(object): def apply_config(self): pass - def create_traffic_model(self): + def create_traffic_model(self, traffic_profile=None): + # pylint: disable=unused-argument vports = self.client.get_vports() self._uplink_vports = vports[::2] self._downlink_vports = vports[1::2] @@ -71,6 +72,7 @@ class IxiaPppoeClientScenario(object): self._context_cfg = context_cfg self._ixia_cfg = ixia_cfg self.protocols = [] + self.device_groups = [] def apply_config(self): vports = self.client.get_vports() @@ -80,9 +82,15 @@ class IxiaPppoeClientScenario(object): self._apply_access_network_config() self._apply_core_network_config() - def create_traffic_model(self): - self.client.create_ipv4_traffic_model(self._access_topologies, - self._core_topologies) + def create_traffic_model(self, traffic_profile): + endpoints_id_pairs = self._get_endpoints_src_dst_id_pairs( + traffic_profile.full_profile) + endpoints_obj_pairs = \ + self._get_endpoints_src_dst_obj_pairs(endpoints_id_pairs) + uplink_endpoints = endpoints_obj_pairs[::2] + downlink_endpoints = endpoints_obj_pairs[1::2] + self.client.create_ipv4_traffic_model(uplink_endpoints, + downlink_endpoints) def run_protocols(self): LOG.info('PPPoE Scenario - Start Protocols') @@ -116,6 +124,144 @@ class IxiaPppoeClientScenario(object): strict=False) return ip, ipaddr.prefixlen + @staticmethod + def _get_endpoints_src_dst_id_pairs(flows_params): + """Get list of flows src/dst port pairs + + Create list of flows src/dst port pairs based on traffic profile + flows data. Each uplink/downlink pair in traffic profile represents + specific flows between the pair of ports. + + Example ('port' key represents port on which flow will be created): + + Input flows data: + uplink_0: + ipv4: + id: 1 + port: xe0 + downlink_0: + ipv4: + id: 2 + port: xe1 + uplink_1: + ipv4: + id: 3 + port: xe2 + downlink_1: + ipv4: + id: 4 + port: xe3 + + Result list: ['xe0', 'xe1', 'xe2', 'xe3'] + + Result list means that the following flows pairs will be created: + - uplink 0: port xe0 <-> port xe1 + - downlink 0: port xe1 <-> port xe0 + - uplink 1: port xe2 <-> port xe3 + - downlink 1: port xe3 <-> port xe2 + + :param flows_params: ordered dict of traffic profile flows params + :return: (list) list of flows src/dst ports + """ + if len(flows_params) % 2: + raise RuntimeError('Number of uplink/downlink pairs' + ' in traffic profile is not equal') + endpoint_pairs = [] + for flow in flows_params: + port = flows_params[flow]['ipv4'].get('port') + if port is None: + continue + endpoint_pairs.append(port) + return endpoint_pairs + + def _get_endpoints_src_dst_obj_pairs(self, endpoints_id_pairs): + """Create list of uplink/downlink device groups pairs + + Based on traffic profile options, create list of uplink/downlink + device groups pairs between which flow groups will be created: + + 1. In case uplink/downlink flows in traffic profile doesn't have + specified 'port' key, flows will be created between each device + group on access port and device group on corresponding core port. + E.g.: + Device groups created on access port xe0: dg1, dg2, dg3 + Device groups created on core port xe1: dg4 + Flows will be created between: + dg1 -> dg4 + dg4 -> dg1 + dg2 -> dg4 + dg4 -> dg2 + dg3 -> dg4 + dg4 -> dg3 + + 2. In case uplink/downlink flows in traffic profile have specified + 'port' key, flows will be created between device groups on this + port. + E.g., for the following traffic profile + uplink_0: + port: xe0 + downlink_0: + port: xe1 + uplink_1: + port: xe0 + downlink_0: + port: xe3 + Flows will be created between: + Port xe0 (dg1) -> Port xe1 (dg1) + Port xe1 (dg1) -> Port xe0 (dg1) + Port xe0 (dg2) -> Port xe3 (dg1) + Port xe3 (dg3) -> Port xe0 (dg1) + + :param endpoints_id_pairs: (list) List of uplink/downlink flows ports + pairs + :return: (list) list of uplink/downlink device groups descriptors pairs + """ + pppoe = self._ixia_cfg['pppoe_client'] + sessions_per_port = pppoe['sessions_per_port'] + sessions_per_svlan = pppoe['sessions_per_svlan'] + svlan_count = int(sessions_per_port / sessions_per_svlan) + + uplink_ports = [p['tg__0'] for p in self._ixia_cfg['flow']['src_ip']] + downlink_ports = [p['tg__0'] for p in self._ixia_cfg['flow']['dst_ip']] + uplink_port_topology_map = zip(uplink_ports, self._access_topologies) + downlink_port_topology_map = zip(downlink_ports, self._core_topologies) + + port_to_dev_group_mapping = {} + for port, topology in uplink_port_topology_map: + topology_dgs = self.client.get_topology_device_groups(topology) + port_to_dev_group_mapping[port] = topology_dgs + for port, topology in downlink_port_topology_map: + topology_dgs = self.client.get_topology_device_groups(topology) + port_to_dev_group_mapping[port] = topology_dgs + + uplink_endpoints = endpoints_id_pairs[::2] + downlink_endpoints = endpoints_id_pairs[1::2] + + uplink_dev_groups = [] + group_up = [uplink_endpoints[i:i + svlan_count] + for i in range(0, len(uplink_endpoints), svlan_count)] + + for group in group_up: + for i, port in enumerate(group): + uplink_dev_groups.append(port_to_dev_group_mapping[port][i]) + + downlink_dev_groups = [] + for port in downlink_endpoints: + downlink_dev_groups.append(port_to_dev_group_mapping[port][0]) + + endpoint_obj_pairs = [] + [endpoint_obj_pairs.extend([up, down]) + for up, down in zip(uplink_dev_groups, downlink_dev_groups)] + + if not endpoint_obj_pairs: + for up, down in zip(uplink_ports, downlink_ports): + uplink_dev_groups = port_to_dev_group_mapping[up] + downlink_dev_groups = \ + port_to_dev_group_mapping[down] * len(uplink_dev_groups) + [endpoint_obj_pairs.extend(list(i)) + for i in zip(uplink_dev_groups, downlink_dev_groups)] + return endpoint_obj_pairs + def _fill_ixia_config(self): pppoe = self._ixia_cfg["pppoe_client"] ipv4 = self._ixia_cfg["ipv4_client"] @@ -151,6 +297,7 @@ class IxiaPppoeClientScenario(object): c_vlan = ixnet_api.Vlan(vlan_id=pppoe['c_vlan'], vlan_id_step=1) name = 'SVLAN {}'.format(s_vlan_id) dg = self.client.add_device_group(tp, name, sessions_per_svlan) + self.device_groups.append(dg) # add ethernet layer to device group ethernet = self.client.add_ethernet(dg, 'Ethernet') self.protocols.append(ethernet) @@ -181,6 +328,7 @@ class IxiaPppoeClientScenario(object): for dg_id in range(vlan_count): name = 'Core port {}'.format(core_tp_id) dg = self.client.add_device_group(tp, name, sessions_per_vlan) + self.device_groups.append(dg) # add ethernet layer to device group ethernet = self.client.add_ethernet(dg, 'Ethernet') self.protocols.append(ethernet) @@ -295,12 +443,12 @@ class IxiaResourceHelper(ClientResourceHelper): raise RuntimeError( "IXIA config type '{}' not supported".format(ixia_config)) - def _initialize_client(self): + def _initialize_client(self, traffic_profile): """Initialize the IXIA IxNetwork client and configure the server""" self.client.clear_config() self.client.assign_ports() self._ix_scenario.apply_config() - self._ix_scenario.create_traffic_model() + self._ix_scenario.create_traffic_model(traffic_profile) def run_traffic(self, traffic_profile, *args): if self._terminated.value: @@ -312,7 +460,8 @@ class IxiaResourceHelper(ClientResourceHelper): default = "00:00:00:00:00:00" self._build_ports() - self._initialize_client() + traffic_profile.update_traffic_profile(self) + self._initialize_client(traffic_profile) mac = {} for port_name in self.vnfd_helper.port_pairs.all_ports: |