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##############################################################################
# Copyright (c) 2017 Ericsson AB 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
##############################################################################
from __future__ import absolute_import
import logging
import subprocess
import pkg_resources
from six.moves import range
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base
from yardstick.benchmark.scenarios.networking import sfc_openstack
LOG = logging.getLogger(__name__)
class Sfc(base.Scenario): # pragma: no cover
""" SFC scenario class """
__scenario_type__ = "sfc"
PRE_SETUP_SCRIPT = 'sfc_pre_setup.bash'
TACKER_SCRIPT = 'sfc_tacker.bash'
SERVER_SCRIPT = 'sfc_server.bash'
TEARDOWN_SCRIPT = "sfc_teardown.bash"
TACKER_CHANGECLASSI = "sfc_change_classi.bash"
def __init__(self, scenario_cfg, context_cfg): # pragma: no cover
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.setup_done = False
self.teardown_done = False
def setup(self):
"""scenario setup"""
self.tacker_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Sfc.TACKER_SCRIPT)
self.server_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Sfc.SERVER_SCRIPT)
""" calling Tacker to instantiate VNFs and Service Chains """
cmd_tacker = "%s" % (self.tacker_script)
subprocess.call(cmd_tacker, shell=True)
target = self.context_cfg['target']
""" webserver start automatically during the vm boot """
LOG.info("user:%s, target:%s", target['user'], target['ip'])
self.server = ssh.SSH.from_node(target, defaults={
"user": "root", "password": "opnfv"
})
self.server.wait(timeout=600)
self.server._put_file_shell(self.server_script, '~/server.sh')
cmd_server = "sudo bash server.sh"
LOG.debug("Executing command: %s", cmd_server)
status, stdout, stderr = self.server.execute(cmd_server)
LOG.debug("Output server command: %s", status)
ips = sfc_openstack.get_an_IP()
target = self.context_cfg['target']
LOG.info("user:%s, target:%s", target['user'], target['ip'])
self.server = ssh.SSH.from_node(
target,
defaults={"user": "root", "password": "opnfv"},
# we must override ip
overrides={"ip": ips[0]}
)
self.server.wait(timeout=600)
cmd_SF1 = ("nohup python vxlan_tool.py -i eth0 "
"-d forward -v off -b 80 &")
LOG.debug("Starting HTTP firewall in SF1")
self.server.execute(cmd_SF1)
result = self.server.execute("ps lax | grep python")
if "vxlan_tool.py" in result[1]: # pragma: no cover
LOG.debug("HTTP firewall started")
LOG.info("user:%s, target:%s", target['user'], target['ip'])
self.server = ssh.SSH.from_node(
target,
defaults={"user": "root", "password": "opnfv"},
# we must override ip
overrides={"ip": ips[1]}
)
self.server.wait(timeout=600)
cmd_SF2 = ("nohup python vxlan_tool.py -i eth0 "
"-d forward -v off -b 22 &")
LOG.debug("Starting SSH firewall in SF2")
self.server.execute(cmd_SF2)
result = self.server.execute("ps lax | grep python")
if "vxlan_tool.py" in result[1]: # pragma: no cover
LOG.debug("SSH firewall started")
self.setup_done = True
def run(self, result):
""" Creating client and server VMs to perform the test"""
host = self.context_cfg['host']
LOG.info("user:%s, host:%s", host['user'], host['ip'])
self.client = ssh.SSH.from_node(host, defaults={
"user": "root", "password": "opnfv"
})
self.client.wait(timeout=600)
if not self.setup_done: # pragma: no cover
self.setup()
target = self.context_cfg['target']
target_ip = target.get('ip', None)
cmd_client = "nc -w 5 -zv " + target_ip + " 22"
result = self.client.execute(cmd_client)
i = 0
if "timed out" in result[2]: # pragma: no cover
LOG.info('\033[92m' + "TEST 1 [PASSED] "
"==> SSH BLOCKED" + '\033[0m')
i = i + 1
else: # pragma: no cover
LOG.debug('\033[91m' + "TEST 1 [FAILED] "
"==> SSH NOT BLOCKED" + '\033[0m')
return
cmd_client = "nc -w 5 -zv " + target_ip + " 80"
LOG.info("Executing command: %s", cmd_client)
result = self.client.execute(cmd_client)
if "succeeded" in result[2]: # pragma: no cover
LOG.info('\033[92m' + "TEST 2 [PASSED] "
"==> HTTP WORKS" + '\033[0m')
i = i + 1
else: # pragma: no cover
LOG.debug('\033[91m' + "TEST 2 [FAILED] "
"==> HTTP BLOCKED" + '\033[0m')
return
self.tacker_classi = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Sfc.TACKER_CHANGECLASSI)
""" calling Tacker to change the classifier """
cmd_tacker = "%s" % (self.tacker_classi)
subprocess.call(cmd_tacker, shell=True)
cmd_client = "nc -w 5 -zv " + target_ip + " 80"
LOG.info("Executing command: %s", cmd_client)
result = self.client.execute(cmd_client)
LOG.info("Output client command: %s", result)
if "timed out" in result[2]: # pragma: no cover
LOG.info('\033[92m' + "TEST 3 [WORKS] "
"==> HTTP BLOCKED" + '\033[0m')
i = i + 1
else: # pragma: no cover
LOG.debug('\033[91m' + "TEST 3 [FAILED] "
"==> HTTP NOT BLOCKED" + '\033[0m')
return
cmd_client = "nc -zv " + target_ip + " 22"
result = self.client.execute(cmd_client + " \r")
LOG.debug(result)
if "succeeded" in result[2]: # pragma: no cover
LOG.info('\033[92m' + "TEST 4 [WORKS] "
"==> SSH WORKS" + '\033[0m')
i = i + 1
else: # pragma: no cover
LOG.debug('\033[91m' + "TEST 4 [FAILED] "
"==> SSH BLOCKED" + '\033[0m')
return
if i == 4: # pragma: no cover
for x in range(0, 5):
LOG.info('\033[92m' + "SFC TEST WORKED"
" :) \n" + '\033[0m')
def teardown(self):
""" for scenario teardown remove tacker VNFs, chains and classifiers"""
self.teardown_script = pkg_resources.resource_filename(
"yardstick.benchmark.scenarios.networking",
Sfc.TEARDOWN_SCRIPT)
subprocess.call(self.teardown_script, shell=True)
self.teardown_done = True
"""def _test(): # pragma: no cover
internal test function
logger = logging.getLogger("Sfc Yardstick")
logger.setLevel(logging.DEBUG)
result = {}
sfc = Sfc(scenario_cfg, context_cfg)
sfc.setup()
sfc.run(result)
print(result)
sfc.teardown()
if __name__ == '__main__': # pragma: no cover
_test()"""
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