""" NSPerf specific scenario definition """
from __future__ import absolute_import
-import logging
+import logging
import errno
-import os
+import ipaddress
+import os
+import sys
import re
from itertools import chain
-import yaml
+
+import six
from operator import itemgetter
from collections import defaultdict
from yardstick.benchmark.scenarios import base
from yardstick.common.utils import import_modules_from_package, itersubclasses
+from yardstick.common.yaml_loader import yaml_load
from yardstick.network_services.collector.subscriber import Collector
from yardstick.network_services.vnf_generic import vnfdgen
from yardstick.network_services.vnf_generic.vnf.base import GenericVNF
from yardstick.network_services.traffic_profile.base import TrafficProfile
+from yardstick.network_services.utils import get_nsb_option
from yardstick import ssh
+
LOG = logging.getLogger(__name__)
# fixme: create schema to validate all fields have been provided
with open_relative_file(scenario_cfg["topology"],
scenario_cfg['task_path']) as stream:
- topology_yaml = yaml.safe_load(stream)
+ topology_yaml = yaml_load(stream)
self.topology = topology_yaml["nsd:nsd-catalog"]["nsd"][0]
self.vnfs = []
self.collector = None
self.traffic_profile = None
+ def _get_ip_flow_range(self, ip_start_range):
+
+ node_name, range_or_interface = next(iter(ip_start_range.items()), (None, '0.0.0.0'))
+ if node_name is not None:
+ node = self.context_cfg["nodes"].get(node_name, {})
+ try:
+ # the ip_range is the interface name
+ interface = node.get("interfaces", {})[range_or_interface]
+ except KeyError:
+ ip = "0.0.0.0"
+ mask = "255.255.255.0"
+ else:
+ ip = interface["local_ip"]
+ # we can't default these values, they must both exist to be valid
+ mask = interface["netmask"]
+
+ ipaddr = ipaddress.ip_network(six.text_type('{}/{}'.format(ip, mask)), strict=False)
+ hosts = list(ipaddr.hosts())
+ ip_addr_range = "{}-{}".format(hosts[0], hosts[-1])
+ else:
+ # we are manually specifying the range
+ ip_addr_range = range_or_interface
+ return ip_addr_range
+
def _get_traffic_flow(self):
+ flow = {}
try:
- with open(self.scenario_cfg["traffic_options"]["flow"]) as fflow:
- flow = yaml.safe_load(fflow)
- except (KeyError, IOError, OSError):
+ fflow = self.scenario_cfg["options"]["flow"]
+ for index, src in enumerate(fflow.get("src_ip", [])):
+ flow["src_ip{}".format(index)] = self._get_ip_flow_range(src)
+
+ for index, dst in enumerate(fflow.get("dst_ip", [])):
+ flow["dst_ip{}".format(index)] = self._get_ip_flow_range(dst)
+
+ for index, publicip in enumerate(fflow.get("publicip", [])):
+ flow["public_ip{}".format(index)] = publicip
+ except KeyError:
flow = {}
- return flow
+ return {"flow": flow}
def _get_traffic_imix(self):
try:
- with open(self.scenario_cfg["traffic_options"]["imix"]) as fimix:
- imix = yaml.safe_load(fimix)
- except (KeyError, IOError, OSError):
+ imix = {"imix": self.scenario_cfg['options']['framesize']}
+ except KeyError:
imix = {}
return imix
for dpdk_port_num, netdev in enumerate(s):
netdev['dpdk_port_num'] = dpdk_port_num
+ def _probe_netdevs(self, node, node_dict):
+ cmd = "PATH=$PATH:/sbin:/usr/sbin ip addr show"
+ netdevs = {}
+ with SshManager(node_dict) as conn:
+ if conn:
+ exit_status = conn.execute(cmd)[0]
+ if exit_status != 0:
+ raise IncorrectSetup("Node's %s lacks ip tool." % node)
+ exit_status, stdout, _ = conn.execute(
+ self.FIND_NETDEVICE_STRING)
+ if exit_status != 0:
+ raise IncorrectSetup(
+ "Cannot find netdev info in sysfs" % node)
+ netdevs = node_dict['netdevs'] = self.parse_netdev_info(stdout)
+ return netdevs
+
@classmethod
- def _probe_missing_values(cls, netdevs, network, missing):
+ def _probe_missing_values(cls, netdevs, network):
+
mac_lower = network['local_mac'].lower()
for netdev in netdevs.values():
if netdev['address'].lower() != mac_lower:
"""
for node, node_dict in self.context_cfg["nodes"].items():
- cmd = "PATH=$PATH:/sbin:/usr/sbin ip addr show"
- with SshManager(node_dict) as conn:
- exit_status = conn.execute(cmd)[0]
- if exit_status != 0:
- raise IncorrectSetup("Node's %s lacks ip tool." % node)
- exit_status, stdout, _ = conn.execute(
- self.FIND_NETDEVICE_STRING)
- if exit_status != 0:
- raise IncorrectSetup(
- "Cannot find netdev info in sysfs" % node)
- netdevs = node_dict['netdevs'] = self.parse_netdev_info(
- stdout)
-
- for network in node_dict["interfaces"].values():
- missing = self.TOPOLOGY_REQUIRED_KEYS.difference(network)
- if not missing:
- continue
-
- try:
- self._probe_missing_values(netdevs, network,
- missing)
- except KeyError:
- pass
- else:
- missing = self.TOPOLOGY_REQUIRED_KEYS.difference(
- network)
- if missing:
- raise IncorrectConfig(
- "Require interface fields '%s' not found, topology file "
- "corrupted" % ', '.join(missing))
+ for network in node_dict["interfaces"].values():
+ missing = self.TOPOLOGY_REQUIRED_KEYS.difference(network)
+ if not missing:
+ continue
+
+ # only ssh probe if there are missing values
+ # ssh probe won't work on Ixia, so we had better define all our values
+ try:
+ netdevs = self._probe_netdevs(node, node_dict)
+ except (SSHError, SSHTimeout):
+ raise IncorrectConfig(
+ "Unable to probe missing interface fields '%s', on node %s "
+ "SSH Error" % (', '.join(missing), node))
+ try:
+ self._probe_missing_values(netdevs, network)
+ except KeyError:
+ pass
+ else:
+ missing = self.TOPOLOGY_REQUIRED_KEYS.difference(
+ network)
+ if missing:
+ raise IncorrectConfig(
+ "Require interface fields '%s' not found, topology file "
+ "corrupted" % ', '.join(missing))
# 3. Use topology file to find connections & resolve dest address
self._resolve_topology()
:param context_cfg:
:return:
"""
+ trex_lib_path = get_nsb_option('trex_client_lib')
+ sys.path[:] = list(chain([trex_lib_path], (x for x in sys.path if x != trex_lib_path)))
+
if scenario_cfg is None:
scenario_cfg = self.scenario_cfg
for vnf in self.vnfs:
# Result example:
# {"VNF1: { "tput" : [1000, 999] }, "VNF2": { "latency": 100 }}
- LOG.debug("vnf")
+ LOG.debug("collect KPI for %s", vnf.name)
result.update(self.collector.get_kpi(vnf))
def teardown(self):
Code Review / yardstick.git / blobdiff