""" PING acts as traffic generation and vnf definitions based on IETS Spec """
from __future__ import absolute_import
-from __future__ import print_function
import logging
import re
from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFTrafficGen
from yardstick.network_services.vnf_generic.vnf.sample_vnf import DpdkVnfSetupEnvHelper
+from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper
LOG = logging.getLogger(__name__)
class PingSetupEnvHelper(DpdkVnfSetupEnvHelper):
def setup_vnf_environment(self):
- self._bind_kernel_devices()
+ for intf in self.vnfd_helper.interfaces:
+ vi = intf['virtual-interface']
+ vi['local_iface_name'] = self.get_local_iface_name_by_vpci(vi['vpci'])
+
+
+class PingResourceHelper(ClientResourceHelper):
+
+ def __init__(self, setup_helper):
+ super(PingResourceHelper, self).__init__(setup_helper)
+ self._queue = Queue()
+ self._parser = PingParser(self._queue)
+
+ def run_traffic(self, traffic_profile, *args):
+ # drop the connection in order to force a new one
+ self.ssh_helper.drop_connection()
+
+ self.client_started.value = 1
+ cmd_list = [
+ "sudo ip addr flush {local_if_name}",
+ "sudo ip addr add {local_ip}/24 dev {local_if_name}",
+ "sudo ip link set {local_if_name} up",
+ ]
+
+ self.cmd_kwargs['packet_size'] = traffic_profile.params['traffic_profile']['frame_size']
+
+ for cmd in cmd_list:
+ self.ssh_helper.execute(cmd.format(**self.cmd_kwargs))
+
+ ping_cmd = "nohup ping -s {packet_size} {target_ip}&"
+ self.ssh_helper.run(ping_cmd.format(**self.cmd_kwargs),
+ stdout=self._parser,
+ keep_stdin_open=True, pty=True)
class PingTrafficGen(SampleVNFTrafficGen):
"""
TG_NAME = 'Ping'
+ APP_NAME = 'Ping'
RUN_WAIT = 4
- def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None):
+ def __init__(self, name, vnfd, task_id, setup_env_helper_type=None,
+ resource_helper_type=None):
if setup_env_helper_type is None:
setup_env_helper_type = PingSetupEnvHelper
-
- super(PingTrafficGen, self).__init__(name, vnfd, setup_env_helper_type,
- resource_helper_type)
- self._queue = Queue()
- self._parser = PingParser(self._queue)
+ if resource_helper_type is None:
+ resource_helper_type = PingResourceHelper
+ super(PingTrafficGen, self).__init__(
+ name, vnfd, task_id, setup_env_helper_type, resource_helper_type)
self._result = {}
- def scale(self, flavor=""):
- """ scale vnf-based on flavor input """
- pass
-
def _check_status(self):
return self._tg_process.is_alive()
def instantiate(self, scenario_cfg, context_cfg):
+ self._start_server()
self._result = {
"packets_received": 0,
"rtt": 0,
}
self.setup_helper.setup_vnf_environment()
-
- def listen_traffic(self, traffic_profile):
- """ Not needed for ping
-
- :param traffic_profile:
- :return:
- """
- pass
-
- def _traffic_runner(self, traffic_profile):
intf = self.vnfd_helper.interfaces[0]["virtual-interface"]
- profile = traffic_profile.params["traffic_profile"]
- cmd_kwargs = {
+ self.resource_helper.cmd_kwargs = {
'target_ip': IPv4Interface(intf["dst_ip"]).ip.exploded,
'local_ip': IPv4Interface(intf["local_ip"]).ip.exploded,
'local_if_name': intf["local_iface_name"].split('/')[0],
- 'packet_size': profile["frame_size"],
}
-
- cmd_list = [
- "sudo ip addr flush {local_if_name}",
- "sudo ip addr add {local_ip}/24 dev {local_if_name}",
- "sudo ip link set {local_if_name} up",
- ]
-
- for cmd in cmd_list:
- self.ssh_helper.execute(cmd.format(**cmd_kwargs))
-
- ping_cmd = "ping -s {packet_size} {target_ip}"
- self.ssh_helper.run(ping_cmd.format(**cmd_kwargs),
- stdout=self._parser,
- keep_stdin_open=True, pty=True)