1 # Copyright (c) 2016-2017 Intel Corporation
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 """ Trex acts as traffic generation and vnf definitions based on IETS Spec """
16 from __future__ import absolute_import
17 from __future__ import print_function
24 from yardstick.common.utils import mac_address_to_hex_list
25 from yardstick.network_services.utils import get_nsb_option
26 from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFTrafficGen
27 from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper
28 from yardstick.network_services.vnf_generic.vnf.sample_vnf import DpdkVnfSetupEnvHelper
30 LOG = logging.getLogger(__name__)
33 class TrexDpdkVnfSetupEnvHelper(DpdkVnfSetupEnvHelper):
41 class TrexResourceHelper(ClientResourceHelper):
43 CONF_FILE = '/tmp/trex_cfg.yaml'
45 RESOURCE_WORD = 'trex'
51 def generate_cfg(self):
52 ext_intf = self.vnfd_helper.interfaces
56 'interfaces': vpci_list,
57 'port_info': port_list,
58 "port_limit": len(ext_intf),
63 for interface in ext_intf:
64 virtual_interface = interface['virtual-interface']
65 vpci_list.append(virtual_interface["vpci"])
66 dst_mac = virtual_interface["dst_mac"]
71 local_mac = virtual_interface["local_mac"]
73 "src_mac": mac_address_to_hex_list(local_mac),
74 "dest_mac": mac_address_to_hex_list(dst_mac),
77 cfg_str = yaml.safe_dump(cfg_file, default_flow_style=False, explicit_start=True)
78 self.ssh_helper.upload_config_file(os.path.basename(self.CONF_FILE), cfg_str)
79 self._vpci_ascending = sorted(vpci_list)
81 def check_status(self):
82 status, _, _ = self.ssh_helper.execute("sudo lsof -i:%s" % self.SYNC_PORT)
89 super(TrexResourceHelper, self).setup()
90 if self.DISABLE_DEPLOY:
93 trex_path = self.ssh_helper.join_bin_path('trex')
95 err = self.ssh_helper.execute("which {}".format(trex_path))[0]
99 LOG.info("Copying %s to destination...", self.RESOURCE_WORD)
100 self.ssh_helper.run("sudo mkdir -p '{}'".format(os.path.dirname(trex_path)))
101 self.ssh_helper.put("~/.bash_profile", "~/.bash_profile")
102 self.ssh_helper.put(trex_path, trex_path, True)
103 ko_src = os.path.join(trex_path, "scripts/ko/src/")
104 self.ssh_helper.execute(self.MAKE_INSTALL.format(ko_src))
106 def start(self, ports=None, *args, **kwargs):
107 cmd = "sudo fuser -n tcp {0.SYNC_PORT} {0.ASYNC_PORT} -k > /dev/null 2>&1"
108 self.ssh_helper.execute(cmd.format(self))
110 self.ssh_helper.execute("sudo pkill -9 rex > /dev/null 2>&1")
112 trex_path = self.ssh_helper.join_bin_path("trex", "scripts")
113 path = get_nsb_option("trex_path", trex_path)
115 # cmd = "sudo ./t-rex-64 -i --cfg %s > /dev/null 2>&1" % self.CONF_FILE
116 cmd = "./t-rex-64 -i --cfg '{}'".format(self.CONF_FILE)
118 # if there are errors we want to see them
119 # we have to sudo cd because the path might be owned by root
120 trex_cmd = """sudo bash -c "cd '{}' ; {}" >/dev/null""".format(path, cmd)
121 self.ssh_helper.execute(trex_cmd)
124 super(TrexResourceHelper, self).terminate()
125 cmd = "sudo fuser -n tcp %s %s -k > /dev/null 2>&1"
126 self.ssh_helper.execute(cmd % (self.SYNC_PORT, self.ASYNC_PORT))
129 class TrexTrafficGen(SampleVNFTrafficGen):
131 This class handles mapping traffic profile and generating
132 traffic for given testcase
137 def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None):
138 if resource_helper_type is None:
139 resource_helper_type = TrexResourceHelper
141 if setup_env_helper_type is None:
142 setup_env_helper_type = TrexDpdkVnfSetupEnvHelper
144 super(TrexTrafficGen, self).__init__(name, vnfd, setup_env_helper_type,
145 resource_helper_type)
147 def _check_status(self):
148 return self.resource_helper.check_status()
150 def _start_server(self):
151 super(TrexTrafficGen, self)._start_server()
152 self.resource_helper.start()
154 def scale(self, flavor=""):
157 def listen_traffic(self, traffic_profile):
161 self.resource_helper.terminate()