Merge "vsperf: Initial integration with VSPERF"

1 files changed, 229 insertions, 0 deletions

diff --git a/yardstick/benchmark/scenarios/networking/vsperf.py b/yardstick/benchmark/scenarios/networking/vsperf.py
new file mode 100644
index 000000000..d3123083a
--- /dev/null
+++ b/yardstick/benchmark/scenarios/networking/vsperf.py
@@ -0,0 +1,229 @@
+# Copyright 2016 Intel Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+""" Vsperf specific scenario definition """
+
+import logging
+import os
+import subprocess
+import csv
+
+import yardstick.ssh as ssh
+from yardstick.benchmark.scenarios import base
+
+LOG = logging.getLogger(__name__)
+
+
+class Vsperf(base.Scenario):
+    """Execute vsperf with defined parameters
+
+  Parameters:
+    traffic_type - to specify the type of traffic executed by traffic generator
+    the valid values are "rfc2544", "continuous", "back2back"
+        type:    string
+        default: "rfc2544"
+    pkt_sizes - a packet size for which test should be executed;
+        Multiple packet sizes can be tested by modification of Sequence runner
+        section inside TC YAML definition.
+        type:    string
+        default: "64"
+    duration - sets duration for which traffic will be generated
+        type:    int
+        default: 30
+    bidirectional - speficies if traffic will be uni (False) or bi-directional
+        (True)
+        type:    string
+        default: False
+    iload - specifies frame rate
+        type:    string
+        default: 100
+    rfc2544_trials - the number of trials performed for each packet size
+        type:    string
+        default: NA
+    multistream - the number of simulated streams
+        type:    string
+        default: 0 (disabled)
+    stream_type - specifies network layer used for multistream simulation
+        the valid values are "L4", "L3" and "L2"
+        type:    string
+        default: "L4"
+    conf-file - path to the vsperf configuration file, which will be uploaded
+        to the VM
+        type:   string
+        default: NA
+    setup-script - path to the setup script, which will be executed during
+        setup and teardown phases
+        type:   string
+        default: NA
+    trafficgen_port1 - specifies device name of 1st interface connected to
+        the trafficgen
+        type:   string
+        default: NA
+    trafficgen_port2 - specifies device name of 2nd interface connected to
+        the trafficgen
+        type:   string
+        default: NA
+    external_bridge - specifies name of external bridge configured in OVS
+        type:   string
+        default: "br-ex"
+
+    """
+    __scenario_type__ = "Vsperf"
+
+    VSPERF_CONF = '~/vsperf-yardstick.conf'
+
+    def __init__(self, scenario_cfg, context_cfg):
+        self.scenario_cfg = scenario_cfg
+        self.context_cfg = context_cfg
+        self.setup_done = False
+        self.client = None
+        self.tg_port1 = self.scenario_cfg['options'].get('trafficgen_port1',
+                                                         None)
+        self.tg_port2 = self.scenario_cfg['options'].get('trafficgen_port2',
+                                                         None)
+        self.br_ex = self.scenario_cfg['options'].get('external_bridge',
+                                                      'br-ex')
+        self.vsperf_conf = os.path.expanduser(
+            self.scenario_cfg['options'].get('conf-file', Vsperf.VSPERF_CONF))
+        self.setup_script = self.scenario_cfg['options'].get('setup-script',
+                                                             None)
+        if self.setup_script:
+            self.setup_script = os.path.expanduser(self.setup_script)
+
+    def setup(self):
+        '''scenario setup'''
+        vsperf = self.context_cfg['host']
+        vsperf_user = vsperf.get('user', 'ubuntu')
+        vsperf_password = vsperf.get('password', 'ubuntu')
+        vsperf_ip = vsperf.get('ip', None)
+
+        # add trafficgen interfaces to the external bridge
+        if self.tg_port1:
+            subprocess.call('sudo bash -c "ovs-vsctl add-port %s %s"' %
+                            (self.br_ex, self.tg_port1), shell=True)
+        if self.tg_port2:
+            subprocess.call('sudo bash -c "ovs-vsctl add-port %s %s"' %
+                            (self.br_ex, self.tg_port2), shell=True)
+
+        # copy vsperf conf to VM
+        LOG.info("user:%s, host:%s", vsperf_user, vsperf_ip)
+        self.client = ssh.SSH(vsperf_user, vsperf_ip,
+                              password=vsperf_password)
+        # traffic generation could last long
+        self.client.wait(timeout=1800)
+
+        # copy script to host
+        self.client.run("cat > ~/vsperf.conf",
+                        stdin=open(self.vsperf_conf, "rb"))
+
+        # execute external setup script
+        if self.setup_script:
+            cmd = "%s setup" % (self.setup_script)
+            LOG.info("Execute setup script \"%s\"", cmd)
+            subprocess.call(cmd, shell=True)
+
+        self.setup_done = True
+
+    def run(self, result):
+        """ execute the vsperf benchmark and return test results
+            within result dictionary
+        """
+        def add_test_params(options, option, default_value):
+            """return parameter and its value as a string to be passed
+               to the VSPERF inside --test-params argument
+
+               Parameters:
+                options - dictionary with scenario options
+                option  - a name of option to be added to the string
+                default_value - value to be used in case that option
+                    is not defined inside scenario options
+            """
+            if option in options:
+                return "%s=%s" % (option, options[option])
+            elif default_value is not None:
+                return "%s=%s" % (option, default_value)
+            else:
+                return None
+
+        if not self.setup_done:
+            self.setup()
+
+        # remove results from previous tests
+        self.client.execute("rm -rf /tmp/results*")
+
+        # get vsperf options
+        options = self.scenario_cfg['options']
+        test_params = []
+        test_params.append(add_test_params(options, "traffic_type", "rfc2544"))
+        test_params.append(add_test_params(options, "pkt_sizes", "64"))
+        test_params.append(add_test_params(options, "duration", None))
+        test_params.append(add_test_params(options, "bidirectional", "False"))
+        test_params.append(add_test_params(options, "iload", 100))
+        test_params.append(add_test_params(options, "rfc2544_trials", None))
+        test_params.append(add_test_params(options, "multistream", None))
+        test_params.append(add_test_params(options, "stream_type", None))
+
+        # execute vsperf
+        cmd = "source ~/vsperfenv/bin/activate ; cd vswitchperf ; "
+        cmd += "./vsperf --mode trafficgen --conf-file ~/vsperf.conf "
+        cmd += "--test-params=\"%s\"" % (';'.join(filter(None, test_params)))
+        LOG.debug("Executing command: %s", cmd)
+        status, stdout, stderr = self.client.execute(cmd)
+
+        if status:
+            raise RuntimeError(stderr)
+
+        # get test results
+        cmd = "cat /tmp/results*/result.csv"
+        LOG.debug("Executing command: %s", cmd)
+        status, stdout, stderr = self.client.execute(cmd)
+
+        if status:
+            raise RuntimeError(stderr)
+
+        # convert result.csv to JSON format
+        reader = csv.DictReader(stdout.split('\r\n'))
+        result.update(reader.next())
+
+        # sla check; go through all defined SLAs and check if values measured
+        # by VSPERF are higher then those defined by SLAs
+        if 'sla' in self.scenario_cfg and \
+           'metrics' in self.scenario_cfg['sla']:
+            for metric in self.scenario_cfg['sla']['metrics'].split(','):
+                assert metric in result, \
+                    '%s is not collected by VSPERF' % (metric)
+                assert metric in self.scenario_cfg['sla'], \
+                    '%s is not defined in SLA' % (metric)
+                vs_res = float(result[metric])
+                sla_res = float(self.scenario_cfg['sla'][metric])
+                assert vs_res >= sla_res, \
+                    'VSPERF_%s(%f) < SLA_%s(%f)' % \
+                    (metric, vs_res, metric, sla_res)
+
+    def teardown(self):
+        """cleanup after the test execution"""
+        # remove trafficgen interfaces from the external bridge
+        if self.tg_port1:
+            subprocess.call('sudo bash -c "ovs-vsctl del-port %s %s"' %
+                            (self.br_ex, self.tg_port1), shell=True)
+        if self.tg_port2:
+            subprocess.call('sudo bash -c "ovs-vsctl del-port %s %s"' %
+                            (self.br_ex, self.tg_port2), shell=True)
+
+        # execute external setup script
+        if self.setup_script:
+            cmd = "%s teardown" % (self.setup_script)
+            LOG.info("Execute setup script \"%s\"", cmd)
+            subprocess.call(cmd, shell=True)
+
+        self.setup_done = False