yardstick/benchmark/scenarios/networking/ping6.py

   1 ##############################################################################
   2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10 import pkg_resources
  11 import logging
  12
  13 import yardstick.ssh as ssh
  14 from yardstick.benchmark.scenarios import base
  15
  16 LOG = logging.getLogger(__name__)
  17
  18
  19 class Ping6(base.Scenario):  # pragma: no cover
  20     """Execute ping6 between two hosts
  21
  22     read link below for more ipv6 info description:
  23     http://wiki.opnfv.org/ipv6_opnfv_project
  24     """
  25     __scenario_type__ = "Ping6"
  26
  27     TARGET_SCRIPT = 'ping6_benchmark.bash'
  28     PRE_SETUP_SCRIPT = 'ping6_pre_setup.bash'
  29     SETUP_SCRIPT = 'ping6_setup.bash'
  30     SETUP_ODL_SCRIPT = 'ping6_setup_with_odl.bash'
  31     FIND_HOST_SCRIPT = 'ping6_find_host.bash'
  32     TEARDOWN_SCRIPT = 'ping6_teardown.bash'
  33     METADATA_SCRIPT = 'ping6_metadata.txt'
  34     RADVD_SCRIPT = 'ping6_radvd.conf'
  35     POST_TEARDOWN_SCRIPT = 'ping6_post_teardown.bash'
  36
  37     def __init__(self, scenario_cfg, context_cfg):
  38         self.scenario_cfg = scenario_cfg
  39         self.context_cfg = context_cfg
  40         self.nodes = context_cfg['nodes']
  41         self.options = scenario_cfg['options']
  42         self.setup_done = False
  43         self.run_done = False
  44         self.external_network = self.options.get("external_network", "ext-net")
  45         self.ping_options = "-s %s -c %s" % \
  46             (self.options.get("packetsize", '56'),
  47              self.options.get("ping_count", '5'))
  48         self.openrc = self.options.get("openrc", "/opt/admin-openrc.sh")
  49
  50     def _ssh_host(self, node_name):
  51         # ssh host
  52         node = self.nodes.get(node_name, None)
  53         user = node.get('user', 'ubuntu')
  54         ssh_port = node.get("ssh_port", ssh.DEFAULT_PORT)
  55         ip = node.get('ip', None)
  56         pwd = node.get('password', None)
  57         key_fname = node.get('key_filename', '/root/.ssh/id_rsa')
  58         if pwd is not None:
  59             LOG.debug("Log in via pw, user:%s, host:%s, password:%s",
  60                       user, ip, pwd)
  61             self.client = ssh.SSH(user, ip, password=pwd, port=ssh_port)
  62         else:
  63             LOG.debug("Log in via key, user:%s, host:%s, key_filename:%s",
  64                       user, ip, key_fname)
  65             self.client = ssh.SSH(user, ip, key_filename=key_fname,
  66                                   port=ssh_port)
  67         self.client.wait(timeout=60)
  68
  69     def _pre_setup(self):
  70         for node_name in self.host_list:
  71             self._ssh_host(node_name)
  72             self.client.run("cat > ~/pre_setup.sh",
  73                             stdin=open(self.pre_setup_script, "rb"))
  74             status, stdout, stderr = self.client.execute(
  75                 "sudo bash pre_setup.sh")
  76
  77     def _get_controller_node(self, host_list):
  78         for host_name in host_list:
  79             node = self.nodes.get(host_name, None)
  80             node_role = node.get('role', None)
  81             if node_role == 'Controller':
  82                 return host_name
  83         return None
  84
  85     def setup(self):
  86         '''scenario setup'''
  87         self.setup_script = pkg_resources.resource_filename(
  88             'yardstick.benchmark.scenarios.networking',
  89             Ping6.SETUP_SCRIPT)
  90
  91         self.setup_odl_script = pkg_resources.resource_filename(
  92             'yardstick.benchmark.scenarios.networking',
  93             Ping6.SETUP_ODL_SCRIPT)
  94
  95         self.pre_setup_script = pkg_resources.resource_filename(
  96             'yardstick.benchmark.scenarios.networking',
  97             Ping6.PRE_SETUP_SCRIPT)
  98
  99         self.ping6_metadata_script = pkg_resources.resource_filename(
 100             'yardstick.benchmark.scenarios.networking',
 101             Ping6.METADATA_SCRIPT)
 102
 103         self.ping6_radvd_script = pkg_resources.resource_filename(
 104             'yardstick.benchmark.scenarios.networking',
 105             Ping6.RADVD_SCRIPT)
 106
 107         host_str = self.options.get("host", 'host1')
 108         self.host_list = host_str.split(',')
 109         self.host_list.sort()
 110         pre_setup = self.options.get("pre_setup", True)
 111         if pre_setup:
 112             self._pre_setup()
 113
 114         # log in a contronller node to setup
 115         controller_node_name = self._get_controller_node(self.host_list)
 116         LOG.debug("The Controller Node is: %s", controller_node_name)
 117         if controller_node_name is None:
 118             LOG.exception("Can't find controller node in the context!!!")
 119         self._ssh_host(controller_node_name)
 120         self.client.run("cat > ~/metadata.txt",
 121                         stdin=open(self.ping6_metadata_script, "rb"))
 122
 123         # run script to setup ipv6 with nosdn or odl
 124         sdn = self.options.get("sdn", 'nosdn')
 125         if 'odl' in sdn:
 126             self.client.run("cat > ~/br-ex.radvd.conf",
 127                             stdin=open(self.ping6_radvd_script, "rb"))
 128             self.client.run("cat > ~/setup_odl.sh",
 129                             stdin=open(self.setup_odl_script, "rb"))
 130             setup_bash_file = "setup_odl.sh"
 131         else:
 132             self.client.run("cat > ~/setup.sh",
 133                             stdin=open(self.setup_script, "rb"))
 134             setup_bash_file = "setup.sh"
 135         cmd = "sudo bash %s %s %s" % \
 136               (setup_bash_file, self.openrc, self.external_network)
 137         LOG.debug("Executing setup command: %s", cmd)
 138         status, stdout, stderr = self.client.execute(cmd)
 139
 140         self.setup_done = True
 141
 142     def run(self, result):
 143         """execute the benchmark"""
 144         # ssh vm1
 145         self.ping6_script = pkg_resources.resource_filename(
 146             'yardstick.benchmark.scenarios.networking',
 147             Ping6.TARGET_SCRIPT)
 148
 149         self.ping6_find_host_script = pkg_resources.resource_filename(
 150             'yardstick.benchmark.scenarios.networking',
 151             Ping6.FIND_HOST_SCRIPT)
 152         if not self.setup_done:
 153             host_str = self.options.get("host", 'host1')
 154             self.host_list = host_str.split(',')
 155             self.host_list.sort()
 156             self._ssh_host(self.host_list[0])
 157
 158         # find ipv4-int-network1 to ssh VM
 159         self.client.run("cat > ~/find_host.sh",
 160                         stdin=open(self.ping6_find_host_script, "rb"))
 161         cmd = "sudo bash find_host.sh %s" % self.openrc
 162         LOG.debug("Executing find_host command: %s", cmd)
 163         status, stdout, stderr = self.client.execute(cmd)
 164         host_name = stdout.strip()
 165
 166         # copy vRouterKey to target host
 167         self.client.run("cat ~/vRouterKey",
 168                         stdout=open("/tmp/vRouterKey", "w"))
 169         self._ssh_host(host_name)
 170         self.client.run("cat > ~/vRouterKey",
 171                         stdin=open("/tmp/vRouterKey", "rb"))
 172
 173         # run ping6 benchmark
 174         self.client.run("cat > ~/ping6.sh",
 175                         stdin=open(self.ping6_script, "rb"))
 176         cmd = "sudo bash ping6.sh %s %s" % (self.openrc, self.ping_options)
 177         LOG.debug("Executing ping6 command: %s", cmd)
 178         status, stdout, stderr = self.client.execute(cmd)
 179
 180         if status:
 181             raise RuntimeError(stderr)
 182
 183         # sla
 184         if stdout:
 185             result["rtt"] = float(stdout)
 186             if "sla" in self.scenario_cfg:
 187                 sla_max_rtt = int(self.scenario_cfg["sla"]["max_rtt"])
 188                 assert result["rtt"] <= sla_max_rtt, \
 189                     "rtt %f > sla:max_rtt(%f); " % (result["rtt"], sla_max_rtt)
 190         else:
 191             LOG.error("ping6 timeout!!!")
 192         self.run_done = True
 193
 194     def teardown(self):
 195         """teardown the benchmark"""
 196
 197         self.post_teardown_script = pkg_resources.resource_filename(
 198             'yardstick.benchmark.scenarios.networking',
 199             Ping6.POST_TEARDOWN_SCRIPT)
 200
 201         host_str = self.options.get("host", 'node1')
 202         self.host_list = host_str.split(',')
 203         self.host_list.sort()
 204
 205         if not self.run_done:
 206             self._ssh_host(self.host_list[0])
 207
 208         self.teardown_script = pkg_resources.resource_filename(
 209             'yardstick.benchmark.scenarios.networking',
 210             Ping6.TEARDOWN_SCRIPT)
 211         self.client.run("cat > ~/teardown.sh",
 212                         stdin=open(self.teardown_script, "rb"))
 213         cmd = "sudo bash teardown.sh %s %s" % \
 214               (self.openrc, self.external_network)
 215         status, stdout, stderr = self.client.execute(cmd)
 216
 217         post_teardown = self.options.get("post_teardown", True)
 218         if post_teardown:
 219             self._post_teardown()
 220
 221         if status:
 222             raise RuntimeError(stderr)
 223
 224         if stdout:
 225             pass
 226         else:
 227             LOG.error("ping6 teardown failed")
 228
 229     def _post_teardown(self):
 230         for node_name in self.host_list:
 231             self._ssh_host(node_name)
 232             self.client.run("cat > ~/post_teardown.sh",
 233                             stdin=open(self.post_teardown_script, "rb"))
 234             status, stdout, stderr = self.client.execute(
 235                 "sudo bash post_teardown.sh")