Source code for yardstick.benchmark.scenarios.networking.ping6

##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

import pkg_resources
import logging

import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base

LOG = logging.getLogger(__name__)


[docs]class Ping6(base.Scenario): # pragma: no cover """Execute ping6 between two hosts read link below for more ipv6 info description: http://wiki.opnfv.org/ipv6_opnfv_project """ __scenario_type__ = "Ping6" TARGET_SCRIPT = 'ping6_benchmark.bash' PRE_SETUP_SCRIPT = 'ping6_pre_setup.bash' SETUP_SCRIPT = 'ping6_setup.bash' SETUP_ODL_SCRIPT = 'ping6_setup_with_odl.bash' FIND_HOST_SCRIPT = 'ping6_find_host.bash' TEARDOWN_SCRIPT = 'ping6_teardown.bash' METADATA_SCRIPT = 'ping6_metadata.txt' RADVD_SCRIPT = 'ping6_radvd.conf' POST_TEARDOWN_SCRIPT = 'ping6_post_teardown.bash' def __init__(self, scenario_cfg, context_cfg): self.scenario_cfg = scenario_cfg self.context_cfg = context_cfg self.setup_done = False self.run_done = False def _pre_setup(self): for node_name in self.host_list: self._ssh_host(node_name) self.client.run("cat > ~/pre_setup.sh", stdin=open(self.pre_setup_script, "rb")) status, stdout, stderr = self.client.execute( "sudo bash pre_setup.sh") def _ssh_host(self, node_name): # ssh host print node_name nodes = self.context_cfg['nodes'] node = nodes.get(node_name, None) host_user = node.get('user', 'ubuntu') host_ip = node.get('ip', None) host_pwd = node.get('password', 'root') LOG.debug("user:%s, host:%s", host_user, host_ip) self.client = ssh.SSH(host_user, host_ip, password=host_pwd) self.client.wait(timeout=600)
[docs] def setup(self): '''scenario setup''' self.setup_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.SETUP_SCRIPT) self.setup_odl_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.SETUP_ODL_SCRIPT) self.pre_setup_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.PRE_SETUP_SCRIPT) self.ping6_metadata_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.METADATA_SCRIPT) self.ping6_radvd_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.RADVD_SCRIPT) options = self.scenario_cfg['options'] host_str = options.get("host", 'host1') self.host_list = host_str.split(',') self.host_list.sort() pre_setup = options.get("pre_setup", True) if pre_setup: self._pre_setup() # ssh host1 self._ssh_host(self.host_list[0]) self.client.run("cat > ~/metadata.txt", stdin=open(self.ping6_metadata_script, "rb")) # run script to setup ipv6 with nosdn or odl sdn = options.get("sdn", 'nosdn') if 'odl' in sdn: self.client.run("cat > ~/br-ex.radvd.conf", stdin=open(self.ping6_radvd_script, "rb")) self.client.run("cat > ~/setup_odl.sh", stdin=open(self.setup_odl_script, "rb")) cmd = "sudo bash setup_odl.sh" else: self.client.run("cat > ~/setup.sh", stdin=open(self.setup_script, "rb")) cmd = "sudo bash setup.sh" status, stdout, stderr = self.client.execute(cmd) self.setup_done = True
[docs] def run(self, result): """execute the benchmark""" # ssh vm1 self.ping6_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.TARGET_SCRIPT) self.ping6_find_host_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.FIND_HOST_SCRIPT) if not self.setup_done: options = self.scenario_cfg['options'] host_str = options.get("host", 'host1') self.host_list = host_str.split(',') self.host_list.sort() self._ssh_host(self.host_list[0]) # find ipv4-int-network1 to ssh VM self.client.run("cat > ~/find_host.sh", stdin=open(self.ping6_find_host_script, "rb")) cmd = "sudo bash find_host.sh" LOG.debug("Executing command: %s", cmd) status, stdout, stderr = self.client.execute(cmd) host_name = stdout.strip() # copy vRouterKey to target host self.client.run("cat ~/vRouterKey", stdout=open("/tmp/vRouterKey", "w")) self._ssh_host(host_name) self.client.run("cat > ~/vRouterKey", stdin=open("/tmp/vRouterKey", "rb")) # run ping6 benchmark self.client.run("cat > ~/ping6.sh", stdin=open(self.ping6_script, "rb")) cmd = "sudo bash ping6.sh" LOG.debug("Executing command: %s", cmd) status, stdout, stderr = self.client.execute(cmd) if status: raise RuntimeError(stderr) # sla if stdout: result["rtt"] = float(stdout) if "sla" in self.scenario_cfg: sla_max_rtt = int(self.scenario_cfg["sla"]["max_rtt"]) assert result["rtt"] <= sla_max_rtt, \ "rtt %f > sla:max_rtt(%f); " % (result["rtt"], sla_max_rtt) else: LOG.error("ping6 timeout") self.run_done = True
[docs] def teardown(self): """teardown the benchmark""" self.post_teardown_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.POST_TEARDOWN_SCRIPT) options = self.scenario_cfg['options'] host_str = options.get("host", 'node1') self.host_list = host_str.split(',') self.host_list.sort() if not self.run_done: self._ssh_host(self.host_list[0]) self.teardown_script = pkg_resources.resource_filename( 'yardstick.benchmark.scenarios.networking', Ping6.TEARDOWN_SCRIPT) self.client.run("cat > ~/teardown.sh", stdin=open(self.teardown_script, "rb")) cmd = "sudo bash teardown.sh" status, stdout, stderr = self.client.execute(cmd) post_teardown = options.get("post_teardown", True) if post_teardown: self._post_teardown() if status: raise RuntimeError(stderr) if stdout: pass else: LOG.error("ping6 teardown failed")
def _post_teardown(self): for node_name in self.host_list: self._ssh_host(node_name) self.client.run("cat > ~/post_teardown.sh", stdin=open(self.post_teardown_script, "rb")) status, stdout, stderr = self.client.execute( "sudo bash post_teardown.sh")