-# Copyright (c) 2016-2017 Intel Corporation
+# Copyright (c) 2016-2019 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-""" Trex acts as traffic generation and vnf definitions based on IETS Spec """
-
-from __future__ import absolute_import
-from __future__ import print_function
+import datetime
import logging
import os
from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper
from yardstick.network_services.vnf_generic.vnf.sample_vnf import DpdkVnfSetupEnvHelper
+
LOG = logging.getLogger(__name__)
ASYNC_PORT = 4500
SYNC_PORT = 4501
+ def __init__(self, setup_helper):
+ super(TrexResourceHelper, self).__init__(setup_helper)
+ self.port_map = {}
+ self.dpdk_to_trex_port_map = {}
+
def generate_cfg(self):
port_names = self.vnfd_helper.port_pairs.all_ports
vpci_list = []
port_list = []
+ self.port_map = {}
+ self.dpdk_to_trex_port_map = {}
- port_nums = sorted(self.vnfd_helper.port_nums(port_names))
- for port_num in port_nums:
- interface = self.vnfd_helper.find_interface_by_port(port_num)
+ sorted_ports = sorted((self.vnfd_helper.port_num(port_name), port_name) for port_name in
+ port_names)
+ for index, (port_num, port_name) in enumerate(sorted_ports):
+ interface = self.vnfd_helper.find_interface(name=port_name)
virtual_interface = interface['virtual-interface']
dst_mac = virtual_interface["dst_mac"]
- # why skip?, ordering is based on DPDK port number so we can't skip
+ # this is to check for unused ports, all ports in the topology
+ # will always have dst_mac
if not dst_mac:
continue
- # TRex ports must be in DPDK port number, so order of append matters
+ # TRex ports are in logical order roughly based on DPDK port number sorting
vpci_list.append(virtual_interface["vpci"])
local_mac = virtual_interface["local_mac"]
port_list.append({
"src_mac": mac_address_to_hex_list(local_mac),
"dest_mac": mac_address_to_hex_list(dst_mac),
})
+ self.port_map[port_name] = index
+ self.dpdk_to_trex_port_map[port_num] = index
trex_cfg = {
'interfaces': vpci_list,
'port_info': port_list,
cfg_str = yaml.safe_dump(cfg_file, default_flow_style=False, explicit_start=True)
self.ssh_helper.upload_config_file(os.path.basename(self.CONF_FILE), cfg_str)
+ def _build_ports(self):
+ super(TrexResourceHelper, self)._build_ports()
+ # override with TRex logic port number
+ self.uplink_ports = [self.dpdk_to_trex_port_map[p] for p in self.uplink_ports]
+ self.downlink_ports = [self.dpdk_to_trex_port_map[p] for p in self.downlink_ports]
+ self.all_ports = [self.dpdk_to_trex_port_map[p] for p in self.all_ports]
+
+ def port_num(self, intf):
+ # return logical TRex port
+ return self.port_map[intf]
+
def check_status(self):
status, _, _ = self.ssh_helper.execute("sudo lsof -i:%s" % self.SYNC_PORT)
return status
self.ssh_helper.execute(self.MAKE_INSTALL.format(ko_src))
def start(self, ports=None, *args, **kwargs):
+ # pylint: disable=keyword-arg-before-vararg
+ # NOTE(ralonsoh): defining keyworded arguments before variable
+ # positional arguments is a bug. This function definition doesn't work
+ # in Python 2, although it works in Python 3. Reference:
+ # https://www.python.org/dev/peps/pep-3102/
cmd = "sudo fuser -n tcp {0.SYNC_PORT} {0.ASYNC_PORT} -k > /dev/null 2>&1"
self.ssh_helper.execute(cmd.format(self))
cmd = "sudo fuser -n tcp %s %s -k > /dev/null 2>&1"
self.ssh_helper.execute(cmd % (self.SYNC_PORT, self.ASYNC_PORT))
+ def _get_samples(self, ports, port_pg_id=None):
+ stats = self.get_stats(ports)
+ timestamp = datetime.datetime.now()
+ samples = {}
+ for pname in (intf['name'] for intf in self.vnfd_helper.interfaces):
+ port_num = self.vnfd_helper.port_num(pname)
+ port_stats = stats.get(port_num, {})
+ samples[pname] = {
+ 'rx_throughput_fps': float(port_stats.get('rx_pps', 0.0)),
+ 'tx_throughput_fps': float(port_stats.get('tx_pps', 0.0)),
+ 'rx_throughput_bps': float(port_stats.get('rx_bps', 0.0)),
+ 'tx_throughput_bps': float(port_stats.get('tx_bps', 0.0)),
+ 'in_packets': int(port_stats.get('ipackets', 0)),
+ 'out_packets': int(port_stats.get('opackets', 0)),
+ 'in_bytes': int(port_stats.get('ibytes', 0)),
+ 'out_bytes': int(port_stats.get('obytes', 0)),
+ 'timestamp': timestamp
+ }
+
+ pg_id_list = port_pg_id.get_pg_ids(port_num)
+ samples[pname]['latency'] = {}
+ for pg_id in pg_id_list:
+ latency_global = stats.get('latency', {})
+ pg_latency = latency_global.get(pg_id, {}).get('latency')
+ samples[pname]['latency'][pg_id] = pg_latency
+
+ return samples
+
class TrexTrafficGen(SampleVNFTrafficGen):
"""
super(TrexTrafficGen, self)._start_server()
self.resource_helper.start()
- def scale(self, flavor=""):
- pass
-
- def listen_traffic(self, traffic_profile):
- pass
-
def terminate(self):
self.resource_helper.terminate()
+
+ def wait_for_instantiate(self):
+ return self._wait_for_process()
Code Review / yardstick.git / blobdiff