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         ip = node.get('ip', None)
  55         pwd = node.get('password', None)
  56         key_fname = node.get('key_filename', '/root/.ssh/id_rsa')
  57         if pwd is not None:
  58             LOG.debug("Log in via pw, user:%s, host:%s, password:%s",
  59                       user, ip, pwd)
  60             self.client = ssh.SSH(user, ip, password=pwd)
  61         else:
  62             LOG.debug("Log in via key, user:%s, host:%s, key_filename:%s",
  63                       user, ip, key_fname)
  64             self.client = ssh.SSH(user, ip, key_filename=key_fname)
  65         self.client.wait(timeout=60)
  66
  67     def _pre_setup(self):
  68         for node_name in self.host_list:
  69             self._ssh_host(node_name)
  70             self.client.run("cat > ~/pre_setup.sh",
  71                             stdin=open(self.pre_setup_script, "rb"))
  72             status, stdout, stderr = self.client.execute(
  73                 "sudo bash pre_setup.sh")
  74
  75     def _get_controller_node(self, host_list):
  76         for host_name in host_list:
  77             node = self.nodes.get(host_name, None)
  78             node_role = node.get('role', None)
  79             if node_role == 'Controller':
  80                 return host_name
  81         return None
  82
  83     def setup(self):
  84         '''scenario setup'''
  85         self.setup_script = pkg_resources.resource_filename(
  86             'yardstick.benchmark.scenarios.networking',
  87             Ping6.SETUP_SCRIPT)
  88
  89         self.setup_odl_script = pkg_resources.resource_filename(
  90             'yardstick.benchmark.scenarios.networking',
  91             Ping6.SETUP_ODL_SCRIPT)
  92
  93         self.pre_setup_script = pkg_resources.resource_filename(
  94             'yardstick.benchmark.scenarios.networking',
  95             Ping6.PRE_SETUP_SCRIPT)
  96
  97         self.ping6_metadata_script = pkg_resources.resource_filename(
  98             'yardstick.benchmark.scenarios.networking',
  99             Ping6.METADATA_SCRIPT)
 100
 101         self.ping6_radvd_script = pkg_resources.resource_filename(
 102             'yardstick.benchmark.scenarios.networking',
 103             Ping6.RADVD_SCRIPT)
 104
 105         host_str = self.options.get("host", 'host1')
 106         self.host_list = host_str.split(',')
 107         self.host_list.sort()
 108         pre_setup = self.options.get("pre_setup", True)
 109         if pre_setup:
 110             self._pre_setup()
 111
 112         # log in a contronller node to setup
 113         controller_node_name = self._get_controller_node(self.host_list)
 114         LOG.debug("The Controller Node is: %s", controller_node_name)
 115         if controller_node_name is None:
 116             LOG.exception("Can't find controller node in the context!!!")
 117         self._ssh_host(controller_node_name)
 118         self.client.run("cat > ~/metadata.txt",
 119                         stdin=open(self.ping6_metadata_script, "rb"))
 120
 121         # run script to setup ipv6 with nosdn or odl
 122         sdn = self.options.get("sdn", 'nosdn')
 123         if 'odl' in sdn:
 124             self.client.run("cat > ~/br-ex.radvd.conf",
 125                             stdin=open(self.ping6_radvd_script, "rb"))
 126             self.client.run("cat > ~/setup_odl.sh",
 127                             stdin=open(self.setup_odl_script, "rb"))
 128             setup_bash_file = "setup_odl.sh"
 129         else:
 130             self.client.run("cat > ~/setup.sh",
 131                             stdin=open(self.setup_script, "rb"))
 132             setup_bash_file = "setup.sh"
 133         cmd = "sudo bash %s %s %s" % \
 134               (setup_bash_file, self.openrc, self.external_network)
 135         LOG.debug("Executing setup command: %s", cmd)
 136         status, stdout, stderr = self.client.execute(cmd)
 137
 138         self.setup_done = True
 139
 140     def run(self, result):
 141         """execute the benchmark"""
 142         # ssh vm1
 143         self.ping6_script = pkg_resources.resource_filename(
 144             'yardstick.benchmark.scenarios.networking',
 145             Ping6.TARGET_SCRIPT)
 146
 147         self.ping6_find_host_script = pkg_resources.resource_filename(
 148             'yardstick.benchmark.scenarios.networking',
 149             Ping6.FIND_HOST_SCRIPT)
 150         if not self.setup_done:
 151             host_str = self.options.get("host", 'host1')
 152             self.host_list = host_str.split(',')
 153             self.host_list.sort()
 154             self._ssh_host(self.host_list[0])
 155
 156         # find ipv4-int-network1 to ssh VM
 157         self.client.run("cat > ~/find_host.sh",
 158                         stdin=open(self.ping6_find_host_script, "rb"))
 159         cmd = "sudo bash find_host.sh %s" % self.openrc
 160         LOG.debug("Executing find_host command: %s", cmd)
 161         status, stdout, stderr = self.client.execute(cmd)
 162         host_name = stdout.strip()
 163
 164         # copy vRouterKey to target host
 165         self.client.run("cat ~/vRouterKey",
 166                         stdout=open("/tmp/vRouterKey", "w"))
 167         self._ssh_host(host_name)
 168         self.client.run("cat > ~/vRouterKey",
 169                         stdin=open("/tmp/vRouterKey", "rb"))
 170
 171         # run ping6 benchmark
 172         self.client.run("cat > ~/ping6.sh",
 173                         stdin=open(self.ping6_script, "rb"))
 174         cmd = "sudo bash ping6.sh %s %s" % (self.openrc, self.ping_options)
 175         LOG.debug("Executing ping6 command: %s", cmd)
 176         status, stdout, stderr = self.client.execute(cmd)
 177
 178         if status:
 179             raise RuntimeError(stderr)
 180
 181         # sla
 182         if stdout:
 183             result["rtt"] = float(stdout)
 184             if "sla" in self.scenario_cfg:
 185                 sla_max_rtt = int(self.scenario_cfg["sla"]["max_rtt"])
 186                 assert result["rtt"] <= sla_max_rtt, \
 187                     "rtt %f > sla:max_rtt(%f); " % (result["rtt"], sla_max_rtt)
 188         else:
 189             LOG.error("ping6 timeout!!!")
 190         self.run_done = True
 191
 192     def teardown(self):
 193         """teardown the benchmark"""
 194
 195         self.post_teardown_script = pkg_resources.resource_filename(
 196             'yardstick.benchmark.scenarios.networking',
 197             Ping6.POST_TEARDOWN_SCRIPT)
 198
 199         host_str = self.options.get("host", 'node1')
 200         self.host_list = host_str.split(',')
 201         self.host_list.sort()
 202
 203         if not self.run_done:
 204             self._ssh_host(self.host_list[0])
 205
 206         self.teardown_script = pkg_resources.resource_filename(
 207             'yardstick.benchmark.scenarios.networking',
 208             Ping6.TEARDOWN_SCRIPT)
 209         self.client.run("cat > ~/teardown.sh",
 210                         stdin=open(self.teardown_script, "rb"))
 211         cmd = "sudo bash teardown.sh %s %s" % \
 212               (self.openrc, self.external_network)
 213         status, stdout, stderr = self.client.execute(cmd)
 214
 215         post_teardown = self.options.get("post_teardown", True)
 216         if post_teardown:
 217             self._post_teardown()
 218
 219         if status:
 220             raise RuntimeError(stderr)
 221
 222         if stdout:
 223             pass
 224         else:
 225             LOG.error("ping6 teardown failed")
 226
 227     def _post_teardown(self):
 228         for node_name in self.host_list:
 229             self._ssh_host(node_name)
 230             self.client.run("cat > ~/post_teardown.sh",
 231                             stdin=open(self.post_teardown_script, "rb"))
 232             status, stdout, stderr = self.client.execute(
 233                 "sudo bash post_teardown.sh")