import re
import subprocess
from collections import Mapping
-
from multiprocessing import Queue, Value, Process
from six.moves import cStringIO
from yardstick.benchmark.contexts.base import Context
from yardstick.benchmark.scenarios.networking.vnf_generic import find_relative_file
from yardstick.common.process import check_if_process_failed
-from yardstick.network_services.helpers.cpu import CpuSysCores
from yardstick.network_services.helpers.samplevnf_helper import PortPairs
from yardstick.network_services.helpers.samplevnf_helper import MultiPortConfig
from yardstick.network_services.helpers.dpdkbindnic_helper import DpdkBindHelper
CFG_CONFIG = os.path.join(REMOTE_TMP, "sample_config")
CFG_SCRIPT = os.path.join(REMOTE_TMP, "sample_script")
- CORES = []
DEFAULT_CONFIG_TPL_CFG = "sample.cfg"
PIPELINE_COMMAND = ''
VNF_TYPE = "SAMPLE"
self.ssh_helper = ssh_helper
self.scenario_helper = scenario_helper
- def _get_ports_gateway(self, name):
- routing_table = self.vnfd_helper.vdu0.get('routing_table', [])
- for route in routing_table:
- if name == route['if']:
- return route['gateway']
- return None
-
def build_config(self):
raise NotImplementedError
APP_NAME = 'DpdkVnf'
FIND_NET_CMD = "find /sys/class/net -lname '*{}*' -printf '%f'"
- HW_DEFAULT_CORE = 3
- SW_DEFAULT_CORE = 2
-
@staticmethod
def _update_packet_type(ip_pipeline_cfg, traffic_options):
match_str = 'pkt_type = ipv4'
'tool_path': tool_path,
}
- def _get_app_cpu(self):
- if self.CORES:
- return self.CORES
-
- vnf_cfg = self.scenario_helper.vnf_cfg
- sys_obj = CpuSysCores(self.ssh_helper)
- self.sys_cpu = sys_obj.get_core_socket()
- num_core = int(vnf_cfg["worker_threads"])
- if vnf_cfg.get("lb_config", "SW") == 'HW':
- num_core += self.HW_DEFAULT_CORE
- else:
- num_core += self.SW_DEFAULT_CORE
- app_cpu = self.sys_cpu[str(self.socket)][:num_core]
- return app_cpu
-
- def _get_cpu_sibling_list(self, cores=None):
- if cores is None:
- cores = self._get_app_cpu()
- sys_cmd_template = "%s/cpu%s/topology/thread_siblings_list"
- awk_template = "awk -F: '{ print $1 }' < %s"
- sys_path = "/sys/devices/system/cpu/"
- cpu_topology = []
- try:
- for core in cores:
- sys_cmd = sys_cmd_template % (sys_path, core)
- cpu_id = self.ssh_helper.execute(awk_template % sys_cmd)[1]
- cpu_topology.extend(cpu.strip() for cpu in cpu_id.split(','))
-
- return cpu_topology
- except Exception:
- return []
-
- def _validate_cpu_cfg(self):
- return self._get_cpu_sibling_list()
-
def setup_vnf_environment(self):
self._setup_dpdk()
self.bound_pci = [v['virtual-interface']["vpci"] for v in self.vnfd_helper.interfaces]
else:
self.socket = 1
- cores = self._validate_cpu_cfg()
# implicit ordering, presumably by DPDK port num, so pre-sort by port_num
# this won't work because we don't have DPDK port numbers yet
ports = sorted(self.vnfd_helper.interfaces, key=self.vnfd_helper.port_num)
collectd_options = self.get_collectd_options()
plugins = collectd_options.get("plugins", {})
# we must set timeout to be the same as the VNF otherwise KPIs will die before VNF
- return ResourceProfile(self.vnfd_helper.mgmt_interface, port_names=port_names, cores=cores,
+ return ResourceProfile(self.vnfd_helper.mgmt_interface, port_names=port_names,
plugins=plugins, interval=collectd_options.get("interval"),
timeout=self.scenario_helper.timeout)
self.vnfd_helper.port_nums(self.vnfd_helper.port_pairs.downlink_ports)
self.all_ports = self.vnfd_helper.port_nums(self.vnfd_helper.port_pairs.all_ports)
+ def port_num(self, intf):
+ # by default return port num
+ return self.vnfd_helper.port_num(intf)
+
def get_stats(self, *args, **kwargs):
try:
return self.client.get_stats(*args, **kwargs)
VNF_PROMPT = "pipeline>"
WAIT_TIME = 1
+ WAIT_TIME_FOR_SCRIPT = 10
APP_NAME = "SampleVNF"
# we run the VNF interactively, so the ssh command will timeout after this long
self.APP_NAME)
LOG.info("Waiting for %s VNF to start.. ", self.APP_NAME)
- time.sleep(1)
+ time.sleep(self.WAIT_TIME_FOR_SCRIPT)
# Send ENTER to display a new prompt in case the prompt text was corrupted
# by other VNF output
self.q_in.put('\r\n')
def instantiate(self, scenario_cfg, context_cfg):
self.scenario_helper.scenario_cfg = scenario_cfg
- self.resource_helper.generate_cfg()
self.resource_helper.setup()
+ # must generate_cfg after DPDK bind because we need port number
+ self.resource_helper.generate_cfg()
LOG.info("Starting %s server...", self.APP_NAME)
name = "{}-{}-{}".format(self.name, self.APP_NAME, os.getpid())
self._tg_process = Process(name=name, target=self._start_server)
self._tg_process.start()
- def wait_for_instantiate(self):
- # overridden by subclasses
- return self._wait_for_process()
-
def _check_status(self):
raise NotImplementedError
return self._traffic_process.is_alive()
- def listen_traffic(self, traffic_profile):
- """ Listen to traffic with the given parameters.
- Method is non-blocking, returns immediately when traffic process
- is running. Optional.
-
- :param traffic_profile:
- :return: True/False
- """
- pass
-
- def verify_traffic(self, traffic_profile):
- """ Verify captured traffic after it has ended. Optional.
-
- :param traffic_profile:
- :return: dict
- """
- pass
-
def collect_kpi(self):
# check if the tg processes have exited
for proc in (self._tg_process, self._traffic_process):
Code Review / yardstick.git / blobdiff