# under the License.
#
-from __init__ import __version__
import argparse
+from collections import defaultdict
+import copy
+import datetime
+import importlib
+import json
+import os
+import sys
+import traceback
+
from attrdict import AttrDict
+import pbr.version
+from pkg_resources import resource_string
+
+from __init__ import __version__
from chain_runner import ChainRunner
-from collections import defaultdict
+from cleanup import Cleaner
from config import config_load
from config import config_loads
-import copy
-import credentials
-import datetime
+import credentials as credentials
from factory import BasicFactory
from fluentd import FluentLogHandler
-import importlib
-import json
import log
from log import LOG
from nfvbenchd import WebSocketIoServer
-import os
-import pbr.version
-from pkg_resources import resource_string
from specs import ChainType
from specs import Specs
from summarizer import NFVBenchSummarizer
-import sys
-import traceback
from traffic_client import TrafficGeneratorFactory
import utils
class NFVBench(object):
"""Main class of NFV benchmarking tool."""
+
STATUS_OK = 'OK'
STATUS_ERROR = 'ERROR'
self.config_plugin = config_plugin
self.factory = factory
self.notifier = notifier
- self.cred = credentials.Credentials(config.openrc_file, None, False)
+ self.cred = credentials.Credentials(config.openrc_file, None, False) \
+ if config.openrc_file else None
self.chain_runner = None
self.specs = Specs()
self.specs.set_openstack_spec(openstack_spec)
sys.stdout.flush()
def setup(self):
- self.specs.set_run_spec(self.config_plugin.get_run_spec(self.specs.openstack))
+ self.specs.set_run_spec(self.config_plugin.get_run_spec(self.config, self.specs.openstack))
self.chain_runner = ChainRunner(self.config,
self.clients,
self.cred,
try:
self.update_config(opts)
self.setup()
-
+ new_frame_sizes = []
+ min_packet_size = "68" if self.config.vlan_tagging else "64"
+ for frame_size in self.config.frame_sizes:
+ try:
+ if int(frame_size) < int(min_packet_size):
+ new_frame_sizes.append(min_packet_size)
+ LOG.info("Adjusting frame size %s Bytes to minimum size %s Bytes due to " +
+ "traffic generator restriction", frame_size, min_packet_size)
+ else:
+ new_frame_sizes.append(frame_size)
+ except ValueError:
+ new_frame_sizes.append(frame_size)
+ self.config.actual_frame_sizes = tuple(new_frame_sizes)
result = {
"date": datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
"nfvbench_version": __version__,
- "openstack_spec": {
- "vswitch": self.specs.openstack.vswitch,
- "encaps": self.specs.openstack.encaps
- },
"config": self.config_plugin.prepare_results_config(copy.deepcopy(self.config)),
"benchmarks": {
"network": {
}
}
}
+ if self.specs.openstack:
+ result['openstack_spec'] = {"vswitch": self.specs.openstack.vswitch,
+ "encaps": self.specs.openstack.encaps}
result['benchmarks']['network']['versions'].update(self.config_plugin.get_version())
except Exception:
status = NFVBench.STATUS_ERROR
if self.chain_runner:
self.chain_runner.close()
- if status == NFVBench.STATUS_OK:
- result = utils.dict_to_json_dict(result)
- return {
- 'status': status,
- 'result': result
- }
- else:
- return {
- 'status': status,
- 'error_message': message
- }
+ if status == NFVBench.STATUS_OK:
+ result = utils.dict_to_json_dict(result)
+ return {
+ 'status': status,
+ 'result': result
+ }
+ return {
+ 'status': status,
+ 'error_message': message
+ }
def prepare_summary(self, result):
- """Prepares summary of the result to print and send it to logger (eg: fluentd)"""
+ """Prepare summary of the result to print and send it to logger (eg: fluentd)."""
global fluent_logger
- sender = None
- if self.config.fluentd.result_tag:
- sender = FluentLogHandler(self.config.fluentd.result_tag,
- fluentd_ip=self.config.fluentd.ip,
- fluentd_port=self.config.fluentd.port)
- sender.runlogdate = fluent_logger.runlogdate
- summary = NFVBenchSummarizer(result, sender)
+ summary = NFVBenchSummarizer(result, fluent_logger)
LOG.info(str(summary))
def save(self, result):
self.config.flow_count = utils.parse_flow_count(self.config.flow_count)
required_flow_count = self.config.service_chain_count * 2
if self.config.flow_count < required_flow_count:
- LOG.info("Flow count '{}' has been set to minimum value of '{}' "
- "for current configuration".format(self.config.flow_count,
- required_flow_count))
+ LOG.info("Flow count %d has been set to minimum value of '%d' "
+ "for current configuration", self.config.flow_count,
+ required_flow_count)
self.config.flow_count = required_flow_count
if self.config.flow_count % 2 != 0:
self.config.duration_sec = float(self.config.duration_sec)
self.config.interval_sec = float(self.config.interval_sec)
+ self.config.pause_sec = float(self.config.pause_sec)
# Get traffic generator profile config
if not self.config.generator_profile:
self.config.generator_config = \
generator_factory.get_generator_config(self.config.generator_profile)
+ # Check length of mac_addrs_left/right for serivce_chain EXT with no_arp
+ if self.config.service_chain == ChainType.EXT and self.config.no_arp:
+ if not (self.config.generator_config.mac_addrs_left is None and
+ self.config.generator_config.mac_addrs_right is None):
+ if (self.config.generator_config.mac_addrs_left is None or
+ self.config.generator_config.mac_addrs_right is None):
+ raise Exception("mac_addrs_left and mac_addrs_right must either "
+ "both be None or have a number of entries matching "
+ "service_chain_count")
+ if not (len(self.config.generator_config.mac_addrs_left) ==
+ self.config.service_chain_count and
+ len(self.config.generator_config.mac_addrs_right) ==
+ self.config.service_chain_count):
+ raise Exception("length of mac_addrs_left ({a}) and/or mac_addrs_right ({b}) "
+ "does not match service_chain_count ({c})"
+ .format(a=len(self.config.generator_config.mac_addrs_left),
+ b=len(self.config.generator_config.mac_addrs_right),
+ c=self.config.service_chain_count))
+
if not any(self.config.generator_config.pcis):
raise Exception("PCI addresses configuration for selected traffic generator profile "
"({tg_profile}) are missing. Please specify them in configuration file."
.format(tg_profile=self.config.generator_profile))
- if self.config.traffic is None or len(self.config.traffic) == 0:
+ if self.config.traffic is None or not self.config.traffic:
raise Exception("No traffic profile found in traffic configuration, "
"please fill 'traffic' section in configuration file.")
if self.config.openrc_file:
self.config.openrc_file = os.path.expanduser(self.config.openrc_file)
- self.config.ndr_run = (not self.config.no_traffic
- and 'ndr' in self.config.rate.strip().lower().split('_'))
- self.config.pdr_run = (not self.config.no_traffic
- and 'pdr' in self.config.rate.strip().lower().split('_'))
- self.config.single_run = (not self.config.no_traffic
- and not (self.config.ndr_run or self.config.pdr_run))
+ self.config.ndr_run = (not self.config.no_traffic and
+ 'ndr' in self.config.rate.strip().lower().split('_'))
+ self.config.pdr_run = (not self.config.no_traffic and
+ 'pdr' in self.config.rate.strip().lower().split('_'))
+ self.config.single_run = (not self.config.no_traffic and
+ not (self.config.ndr_run or self.config.pdr_run))
if self.config.vlans and len(self.config.vlans) != 2:
raise Exception('Number of configured VLAN IDs for VLAN tagging must be exactly 2.')
self.config.json_file = self.config.json if self.config.json else None
if self.config.json_file:
- (path, filename) = os.path.split(self.config.json)
+ (path, _filename) = os.path.split(self.config.json)
if not os.path.exists(path):
raise Exception('Please provide existing path for storing results in JSON file. '
'Path used: {path}'.format(path=path))
def parse_opts_from_cli():
parser = argparse.ArgumentParser()
+ parser.add_argument('--status', dest='status',
+ action='store_true',
+ default=None,
+ help='Provide NFVbench status')
+
parser.add_argument('-c', '--config', dest='config',
action='store',
help='Override default values with a config file or '
action='store_true',
help='Use SRIOV (no vswitch - requires SRIOV support in compute nodes)')
+ parser.add_argument('--use-sriov-middle-net', dest='use_sriov_middle_net',
+ default=None,
+ action='store_true',
+ help='Use SRIOV to handle the middle network traffic '
+ '(PVVP with SRIOV only)')
+
parser.add_argument('-d', '--debug', dest='debug',
action='store_true',
default=None,
action='store',
help='Traffic generator profile to use')
-
parser.add_argument('-0', '--no-traffic', dest='no_traffic',
default=None,
action='store_true',
action='store_true',
help='no cleanup after run')
+ parser.add_argument('--cleanup', dest='cleanup',
+ default=None,
+ action='store_true',
+ help='Cleanup NFVbench resources (prompt to confirm)')
+
+ parser.add_argument('--force-cleanup', dest='force_cleanup',
+ default=None,
+ action='store_true',
+ help='Cleanup NFVbench resources (do not prompt)')
+
parser.add_argument('--json', dest='json',
action='store',
help='store results in json format file',
parser.add_argument('--log-file', '--logfile', dest='log_file',
action='store',
help='Filename for saving logs',
- metavar='<log_file>'),
+ metavar='<log_file>')
parser.add_argument('--user-label', '--userlabel', dest='user_label',
action='store',
help='Custom label for performance records')
+ parser.add_argument('--l2-loopback', '--l2loopback', dest='l2_loopback',
+ action='store',
+ metavar='<vlan>',
+ help='Port to port or port to switch to port L2 loopback with VLAN id')
+
opts, unknown_opts = parser.parse_known_args()
return opts, unknown_opts
def override_custom_traffic(config, frame_sizes, unidir):
- """Override the traffic profiles with a custom one
- """
+ """Override the traffic profiles with a custom one."""
if frame_sizes is not None:
traffic_profile_name = "custom_traffic_profile"
config.traffic_profile = [
raise Exception("SRIOV requires segmentation_id to be specified for the {n} network"
.format(n=name))
+def status_cleanup(config, cleanup, force_cleanup):
+ LOG.info('Version: %s', pbr.version.VersionInfo('nfvbench').version_string_with_vcs())
+ # check if another run is pending
+ ret_code = 0
+ try:
+ with utils.RunLock():
+ LOG.info('Status: idle')
+ except Exception:
+ LOG.info('Status: busy (run pending)')
+ ret_code = 1
+ # check nfvbench resources
+ if config.openrc_file and config.service_chain != ChainType.EXT:
+ cleaner = Cleaner(config)
+ count = cleaner.show_resources()
+ if count and (cleanup or force_cleanup):
+ cleaner.clean(not force_cleanup)
+ sys.exit(ret_code)
def main():
global fluent_logger
# create config plugin for this platform
config_plugin = factory.get_config_plugin_class()(config)
config = config_plugin.get_config()
- openstack_spec = config_plugin.get_openstack_spec()
-
- # setup the fluent logger as soon as possible right after the config plugin is called
- if config.fluentd.logging_tag:
- fluent_logger = FluentLogHandler(config.fluentd.logging_tag,
- fluentd_ip=config.fluentd.ip,
- fluentd_port=config.fluentd.port)
- LOG.addHandler(fluent_logger)
- else:
- fluent_logger = None
opts, unknown_opts = parse_opts_from_cli()
log.set_level(debug=opts.debug)
result = json.load(json_data)
if opts.user_label:
result['config']['user_label'] = opts.user_label
- if config.fluentd.result_tag:
- sender = FluentLogHandler(config.fluentd.result_tag,
- fluentd_ip=config.fluentd.ip,
- fluentd_port=config.fluentd.port)
- sender.runlogdate = fluent_logger.runlogdate
- print NFVBenchSummarizer(result, sender)
- else:
- print NFVBenchSummarizer(result, None)
+ print NFVBenchSummarizer(result, fluent_logger)
sys.exit(0)
# show default config in text/yaml format
# override default config options with start config at path parsed from CLI
# check if it is an inline yaml/json config or a file name
if os.path.isfile(opts.config):
- LOG.info('Loading configuration file: ' + opts.config)
+ LOG.info('Loading configuration file: %s', opts.config)
config = config_load(opts.config, config, whitelist_keys)
config.name = os.path.basename(opts.config)
else:
- LOG.info('Loading configuration string: ' + opts.config)
+ LOG.info('Loading configuration string: %s', opts.config)
config = config_loads(opts.config, config, whitelist_keys)
+ # setup the fluent logger as soon as possible right after the config plugin is called,
+ # if there is any logging or result tag is set then initialize the fluent logger
+ for fluentd in config.fluentd:
+ if fluentd.logging_tag or fluentd.result_tag:
+ fluent_logger = FluentLogHandler(config.fluentd)
+ LOG.addHandler(fluent_logger)
+ break
+
# traffic profile override options
override_custom_traffic(config, opts.frame_sizes, opts.unidir)
config.sriov = True
if opts.log_file:
config.log_file = opts.log_file
-
- # show running config in json format
- if opts.show_config:
- print json.dumps(config, sort_keys=True, indent=4)
- sys.exit(0)
+ if opts.service_chain:
+ config.service_chain = opts.service_chain
+ if opts.service_chain_count:
+ config.service_chain_count = opts.service_chain_count
+ if opts.no_vswitch_access:
+ config.no_vswitch_access = opts.no_vswitch_access
+ if opts.no_int_config:
+ config.no_int_config = opts.no_int_config
+
+ # port to port loopback (direct or through switch)
+ if opts.l2_loopback:
+ config.l2_loopback = True
+ if config.service_chain != ChainType.EXT:
+ LOG.info('Changing service chain type to EXT')
+ config.service_chain = ChainType.EXT
+ if not config.no_arp:
+ LOG.info('Disabling ARP')
+ config.no_arp = True
+ config.vlans = [int(opts.l2_loopback), int(opts.l2_loopback)]
+ # disable any form of interface config since we loop at the switch level
+ config.no_int_config = True
+ LOG.info('Running L2 loopback: using EXT chain/no ARP')
+
+ if opts.use_sriov_middle_net:
+ if (not config.sriov) or (config.service_chain != ChainType.PVVP):
+ raise Exception("--use-sriov-middle-net is only valid for PVVP with SRIOV")
+ config.use_sriov_middle_net = True
if config.sriov and config.service_chain != ChainType.EXT:
# if sriov is requested (does not apply to ext chains)
# make sure the physnet names are specified
check_physnet("left", config.internal_networks.left)
check_physnet("right", config.internal_networks.right)
- if config.service_chain == ChainType.PVVP:
+ if config.service_chain == ChainType.PVVP and config.use_sriov_middle_net:
check_physnet("middle", config.internal_networks.middle)
+ # show running config in json format
+ if opts.show_config:
+ print json.dumps(config, sort_keys=True, indent=4)
+ sys.exit(0)
+
+ # check that an empty openrc file (no OpenStack) is only allowed
+ # with EXT chain
+ if not config.openrc_file:
+ if config.service_chain == ChainType.EXT:
+ LOG.info('EXT chain with OpenStack mode disabled')
+ else:
+ raise Exception("openrc_file is empty in the configuration and is required")
+
# update the config in the config plugin as it might have changed
# in a copy of the dict (config plugin still holds the original dict)
config_plugin.set_config(config)
+ if opts.status or opts.cleanup or opts.force_cleanup:
+ status_cleanup(config, opts.cleanup, opts.force_cleanup)
+
# add file log if requested
if config.log_file:
log.add_file_logger(config.log_file)
- nfvbench = NFVBench(config, openstack_spec, config_plugin, factory)
+ openstack_spec = config_plugin.get_openstack_spec() if config.openrc_file \
+ else None
+
+ nfvbench_instance = NFVBench(config, openstack_spec, config_plugin, factory)
if opts.server:
if os.path.isdir(opts.server):
- server = WebSocketIoServer(opts.server, nfvbench, fluent_logger)
- nfvbench.set_notifier(server)
+ server = WebSocketIoServer(opts.server, nfvbench_instance, fluent_logger)
+ nfvbench_instance.set_notifier(server)
try:
port = int(opts.port)
except ValueError:
opts = {k: v for k, v in vars(opts).iteritems() if v is not None}
# get CLI args
params = ' '.join(str(e) for e in sys.argv[1:])
- result = nfvbench.run(opts, params)
+ result = nfvbench_instance.run(opts, params)
if 'error_message' in result:
raise Exception(result['error_message'])
if 'result' in result and result['status']:
- nfvbench.save(result['result'])
- nfvbench.prepare_summary(result['result'])
+ nfvbench_instance.save(result['result'])
+ nfvbench_instance.prepare_summary(result['result'])
except Exception as exc:
run_summary_required = True
LOG.error({