2 # Copyright 2016 Cisco Systems, Inc. All rights reserved.
4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
5 # not use this file except in compliance with the License. You may obtain
6 # a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 # License for the specific language governing permissions and limitations
26 from attrdict import AttrDict
27 from logging import FileHandler
29 from pkg_resources import resource_string
31 from .__init__ import __version__
32 from .chain_runner import ChainRunner
33 from .cleanup import Cleaner
34 from .config import config_load
35 from .config import config_loads
36 from . import credentials
37 from .fluentd import FluentLogHandler
40 from .nfvbenchd import WebServer
41 from .specs import ChainType
42 from .specs import Specs
43 from .summarizer import NFVBenchSummarizer
49 class NFVBench(object):
50 """Main class of NFV benchmarking tool."""
53 STATUS_ERROR = 'ERROR'
55 def __init__(self, config, openstack_spec, config_plugin, factory, notifier=None):
56 # the base config never changes for a given NFVbench instance
57 self.base_config = config
58 # this is the running config, updated at every run()
60 self.config_plugin = config_plugin
61 self.factory = factory
62 self.notifier = notifier
63 self.cred = credentials.Credentials(config.openrc_file, None, False) \
64 if config.openrc_file else None
65 self.chain_runner = None
67 self.specs.set_openstack_spec(openstack_spec)
71 def set_notifier(self, notifier):
72 self.notifier = notifier
74 def run(self, opts, args, dry_run=False):
75 """This run() method is called for every NFVbench benchmark request.
77 In CLI mode, this method is called only once per invocation.
78 In REST server mode, this is called once per REST POST request
79 On dry_run, show the running config in json format then exit
81 status = NFVBench.STATUS_OK
85 # take a snapshot of the current time for this new run
86 # so that all subsequent logs can relate to this run
87 fluent_logger.start_new_run()
90 # recalc the running config based on the base config and options for this run
91 self._update_config(opts)
94 print((json.dumps(self.config, sort_keys=True, indent=4)))
97 # check that an empty openrc file (no OpenStack) is only allowed
99 if not self.config.openrc_file and self.config.service_chain != ChainType.EXT:
100 raise Exception("openrc_file in the configuration is required for PVP/PVVP chains")
102 self.specs.set_run_spec(self.config_plugin.get_run_spec(self.config,
103 self.specs.openstack))
104 self.chain_runner = ChainRunner(self.config,
110 # make sure that the min frame size is 64
112 for frame_size in self.config.frame_sizes:
114 if int(frame_size) < min_packet_size:
115 frame_size = str(min_packet_size)
116 LOG.info("Adjusting frame size %s bytes to minimum size %s bytes",
117 frame_size, min_packet_size)
118 if frame_size not in new_frame_sizes:
119 new_frame_sizes.append(frame_size)
121 new_frame_sizes.append(frame_size.upper())
122 self.config.frame_sizes = new_frame_sizes
124 "date": datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
125 "nfvbench_version": __version__,
126 "config": self.config_plugin.prepare_results_config(copy.deepcopy(self.config)),
129 "service_chain": self.chain_runner.run(),
130 "versions": self.chain_runner.get_version(),
134 if self.specs.openstack:
135 result['openstack_spec'] = {"vswitch": self.specs.openstack.vswitch,
136 "encaps": self.specs.openstack.encaps}
137 result['benchmarks']['network']['versions'].update(self.config_plugin.get_version())
139 status = NFVBench.STATUS_ERROR
140 message = traceback.format_exc()
141 except KeyboardInterrupt:
142 status = NFVBench.STATUS_ERROR
143 message = traceback.format_exc()
145 if self.chain_runner:
146 self.chain_runner.close()
148 if status == NFVBench.STATUS_OK:
149 # result2 = utils.dict_to_json_dict(result)
156 'error_message': message
159 def prepare_summary(self, result):
160 """Prepare summary of the result to print and send it to logger (eg: fluentd)."""
162 summary = NFVBenchSummarizer(result, fluent_logger)
163 LOG.info(str(summary))
165 def save(self, result):
166 """Save results in json format file."""
167 utils.save_json_result(result,
168 self.config.json_file,
169 self.config.std_json_path,
170 self.config.service_chain,
171 self.config.service_chain_count,
172 self.config.flow_count,
173 self.config.frame_sizes,
175 self.config.group_id)
177 def _update_config(self, opts):
178 """Recalculate the running config based on the base config and opts.
180 Sanity check on the config is done here as well.
182 self.config = AttrDict(dict(self.base_config))
183 # Update log file handler if needed after a config update (REST mode)
184 if 'log_file' in opts:
186 (path, _filename) = os.path.split(opts['log_file'])
187 if not os.path.exists(path):
189 'Path %s does not exist. Please verify root path is shared with host. Path '
190 'will be created.', path)
192 LOG.info('%s is created.', path)
193 if not any(isinstance(h, FileHandler) for h in log.getLogger().handlers):
194 log.add_file_logger(opts['log_file'])
196 for h in log.getLogger().handlers:
197 if isinstance(h, FileHandler) and h.baseFilename != opts['log_file']:
198 # clean log file handler
199 log.getLogger().removeHandler(h)
200 log.add_file_logger(opts['log_file'])
202 self.config.update(opts)
205 config.service_chain = config.service_chain.upper()
206 config.service_chain_count = int(config.service_chain_count)
207 if config.l2_loopback:
208 # force the number of chains to be 1 in case of untagged l2 loopback
209 # (on the other hand, multiple L2 vlan tagged service chains are allowed)
210 if not config.vlan_tagging:
211 config.service_chain_count = 1
212 config.service_chain = ChainType.EXT
214 LOG.info('Running L2 loopback: using EXT chain/no ARP')
216 # allow oversized vlan lists, just clip them
218 vlans = [list(v) for v in config.vlans]
220 del v[config.service_chain_count:]
225 # traffic profile override options
226 if 'frame_sizes' in opts:
229 unidir = opts['unidir']
230 override_custom_traffic(config, opts['frame_sizes'], unidir)
231 LOG.info("Frame size has been set to %s for current configuration", opts['frame_sizes'])
233 config.flow_count = utils.parse_flow_count(config.flow_count)
234 required_flow_count = config.service_chain_count * 2
235 if config.flow_count < required_flow_count:
236 LOG.info("Flow count %d has been set to minimum value of '%d' "
237 "for current configuration", config.flow_count,
239 config.flow_count = required_flow_count
241 if config.flow_count % 2:
242 config.flow_count += 1
244 # Possibly adjust the cache size
245 if config.cache_size < 0:
246 config.cache_size = config.flow_count
248 # The size must be capped to 10000 (where does this limit come from?)
249 config.cache_size = min(config.cache_size, 10000)
251 config.duration_sec = float(config.duration_sec)
252 config.interval_sec = float(config.interval_sec)
253 config.pause_sec = float(config.pause_sec)
255 if config.traffic is None or not config.traffic:
256 raise Exception("Missing traffic property in configuration")
258 if config.openrc_file:
259 config.openrc_file = os.path.expanduser(config.openrc_file)
260 if config.flavor.vcpus < 2:
261 raise Exception("Flavor vcpus must be >= 2")
263 config.ndr_run = (not config.no_traffic and
264 'ndr' in config.rate.strip().lower().split('_'))
265 config.pdr_run = (not config.no_traffic and
266 'pdr' in config.rate.strip().lower().split('_'))
267 config.single_run = (not config.no_traffic and
268 not (config.ndr_run or config.pdr_run))
270 config.json_file = config.json if config.json else None
272 (path, _filename) = os.path.split(config.json)
273 if not os.path.exists(path):
274 raise Exception('Please provide existing path for storing results in JSON file. '
275 'Path used: {path}'.format(path=path))
277 config.std_json_path = config.std_json if config.std_json else None
278 if config.std_json_path:
279 if not os.path.exists(config.std_json):
280 raise Exception('Please provide existing path for storing results in JSON file. '
281 'Path used: {path}'.format(path=config.std_json_path))
283 # Check that multiqueue is between 1 and 8 (8 is the max allowed by libvirt/qemu)
284 if config.vif_multiqueue_size < 1 or config.vif_multiqueue_size > 8:
285 raise Exception('vif_multiqueue_size (%d) must be in [1..8]' %
286 config.vif_multiqueue_size)
288 # VxLAN and MPLS sanity checks
289 if config.vxlan or config.mpls:
290 if config.vlan_tagging:
291 config.vlan_tagging = False
292 config.no_latency_streams = True
293 config.no_latency_stats = True
294 config.no_flow_stats = True
295 LOG.info('VxLAN or MPLS: vlan_tagging forced to False '
296 '(inner VLAN tagging must be disabled)')
298 self.config_plugin.validate_config(config, self.specs.openstack)
302 """Argument type to be used in parser.add_argument()
303 When a boolean like value is expected to be given
305 return (str(x).lower() != 'false') \
306 and (str(x).lower() != 'no') \
307 and (str(x).lower() != '0')
311 """Argument type to be used in parser.add_argument()
312 When an integer type value is expected to be given
313 (returns 0 if argument is invalid, hexa accepted)
318 def _parse_opts_from_cli():
319 parser = argparse.ArgumentParser()
321 parser.add_argument('--status', dest='status',
324 help='Provide NFVbench status')
326 parser.add_argument('-c', '--config', dest='config',
328 help='Override default values with a config file or '
329 'a yaml/json config string',
330 metavar='<file_name_or_yaml>')
332 parser.add_argument('--server', dest='server',
335 help='Run nfvbench in server mode')
337 parser.add_argument('--host', dest='host',
340 help='Host IP address on which server will be listening (default 0.0.0.0)')
342 parser.add_argument('-p', '--port', dest='port',
345 help='Port on which server will be listening (default 7555)')
347 parser.add_argument('-sc', '--service-chain', dest='service_chain',
348 choices=ChainType.names,
350 help='Service chain to run')
352 parser.add_argument('-scc', '--service-chain-count', dest='service_chain_count',
354 help='Set number of service chains to run',
355 metavar='<service_chain_count>')
357 parser.add_argument('-fc', '--flow-count', dest='flow_count',
359 help='Set number of total flows for all chains and all directions',
360 metavar='<flow_count>')
362 parser.add_argument('--rate', dest='rate',
364 help='Specify rate in pps, bps or %% as total for all directions',
367 parser.add_argument('--duration', dest='duration_sec',
369 help='Set duration to run traffic generator (in seconds)',
370 metavar='<duration_sec>')
372 parser.add_argument('--interval', dest='interval_sec',
374 help='Set interval to record traffic generator stats (in seconds)',
375 metavar='<interval_sec>')
377 parser.add_argument('--inter-node', dest='inter_node',
382 parser.add_argument('--sriov', dest='sriov',
385 help='Use SRIOV (no vswitch - requires SRIOV support in compute nodes)')
387 parser.add_argument('--use-sriov-middle-net', dest='use_sriov_middle_net',
390 help='Use SRIOV to handle the middle network traffic '
391 '(PVVP with SRIOV only)')
393 parser.add_argument('-d', '--debug', dest='debug',
396 help='print debug messages (verbose)')
398 parser.add_argument('-g', '--traffic-gen', dest='generator_profile',
400 help='Traffic generator profile to use')
402 parser.add_argument('-l3', '--l3-router', dest='l3_router',
405 help='Use L3 neutron routers to handle traffic')
407 parser.add_argument('-garp', '--gratuitous-arp', dest='periodic_gratuitous_arp',
410 help='Use gratuitous ARP to maintain session between TG '
411 'and L3 routers to handle traffic')
413 parser.add_argument('-0', '--no-traffic', dest='no_traffic',
416 help='Check config and connectivity only - do not generate traffic')
418 parser.add_argument('--no-arp', dest='no_arp',
421 help='Do not use ARP to find MAC addresses, '
422 'instead use values in config file')
424 parser.add_argument('--loop-vm-arp', dest='loop_vm_arp',
427 help='Use ARP to find MAC addresses '
428 'instead of using values from TRex ports (VPP forwarder only)')
430 parser.add_argument('--no-vswitch-access', dest='no_vswitch_access',
433 help='Skip vswitch configuration and retrieving of stats')
435 parser.add_argument('--vxlan', dest='vxlan',
438 help='Enable VxLan encapsulation')
440 parser.add_argument('--mpls', dest='mpls',
443 help='Enable MPLS encapsulation')
445 parser.add_argument('--no-cleanup', dest='no_cleanup',
448 help='no cleanup after run')
450 parser.add_argument('--cleanup', dest='cleanup',
453 help='Cleanup NFVbench resources (prompt to confirm)')
455 parser.add_argument('--force-cleanup', dest='force_cleanup',
458 help='Cleanup NFVbench resources (do not prompt)')
460 parser.add_argument('--restart', dest='restart',
463 help='Restart TRex server')
465 parser.add_argument('--json', dest='json',
467 help='store results in json format file',
468 metavar='<path>/<filename>')
470 parser.add_argument('--std-json', dest='std_json',
472 help='store results in json format file with nfvbench standard filename: '
473 '<service-chain-type>-<service-chain-count>-<flow-count>'
474 '-<packet-sizes>.json',
477 parser.add_argument('--show-default-config', dest='show_default_config',
480 help='print the default config in yaml format (unedited)')
482 parser.add_argument('--show-pre-config', dest='show_pre_config',
485 help='print the config in json format (cfg file applied)')
487 parser.add_argument('--show-config', dest='show_config',
490 help='print the running config in json format (final)')
492 parser.add_argument('-ss', '--show-summary', dest='summary',
494 help='Show summary from nfvbench json file',
497 parser.add_argument('-v', '--version', dest='version',
502 parser.add_argument('-fs', '--frame-size', dest='frame_sizes',
504 help='Override traffic profile frame sizes',
505 metavar='<frame_size_bytes or IMIX>')
507 parser.add_argument('--unidir', dest='unidir',
510 help='Override traffic profile direction (requires -fs)')
512 parser.add_argument('--log-file', '--logfile', dest='log_file',
514 help='Filename for saving logs',
515 metavar='<log_file>')
517 parser.add_argument('--user-label', '--userlabel', dest='user_label',
519 help='Custom label for performance records')
521 parser.add_argument('--hypervisor', dest='hypervisor',
523 metavar='<hypervisor name>',
524 help='Where chains must run ("compute", "az:", "az:compute")')
526 parser.add_argument('--l2-loopback', '--l2loopback', dest='l2_loopback',
528 metavar='<vlan(s)|no-tag|true|false>',
529 help='Port to port or port to switch to port L2 loopback '
530 'tagged with given VLAN id(s) or not (given \'no-tag\') '
531 '\'true\': use current vlans; \'false\': disable this mode.')
533 parser.add_argument('--user-info', dest='user_info',
536 help='Custom data to be included as is '
537 'in the json report config branch - '
538 ' example, pay attention! no space: '
539 '--user-info=\'{"status":"explore","description":'
540 '{"target":"lab","ok":true,"version":2020}}\' - '
541 'this option may be repeated; given data will be merged.')
543 parser.add_argument('--vlan-tagging', dest='vlan_tagging',
548 help='Override the NFVbench \'vlan_tagging\' parameter')
550 parser.add_argument('--intf-speed', dest='intf_speed',
554 help='Override the NFVbench \'intf_speed\' '
555 'parameter (e.g. 10Gbps, auto, 16.72Gbps)')
557 parser.add_argument('--cores', dest='cores',
562 help='Override the T-Rex \'cores\' parameter')
564 parser.add_argument('--cache-size', dest='cache_size',
569 help='Specify the FE cache size (default: 0, flow-count if < 0)')
571 parser.add_argument('--service-mode', dest='service_mode',
574 help='Enable T-Rex service mode (for debugging purpose)')
576 parser.add_argument('--no-e2e-check', dest='no_e2e_check',
579 help='Skip "end to end" connectivity check (on test purpose)')
581 parser.add_argument('--no-flow-stats', dest='no_flow_stats',
584 help='Disable additional flow stats (on high load traffic)')
586 parser.add_argument('--no-latency-stats', dest='no_latency_stats',
589 help='Disable flow stats for latency traffic')
591 parser.add_argument('--no-latency-streams', dest='no_latency_streams',
594 help='Disable latency measurements (no streams)')
596 parser.add_argument('--user-id', dest='user_id',
601 help='Change json/log files ownership with this user (int)')
603 parser.add_argument('--group-id', dest='group_id',
608 help='Change json/log files ownership with this group (int)')
610 parser.add_argument('--show-trex-log', dest='show_trex_log',
613 help='Show the current TRex local server log file contents'
614 ' => diagnostic/help in case of configuration problems')
616 parser.add_argument('--debug-mask', dest='debug_mask',
621 help='General purpose register (debugging flags), '
622 'the hexadecimal notation (0x...) is accepted.'
623 'Designed for development needs (default: 0).')
625 opts, unknown_opts = parser.parse_known_args()
626 return opts, unknown_opts
629 def load_default_config():
630 default_cfg = resource_string(__name__, "cfg.default.yaml")
631 config = config_loads(default_cfg)
632 config.name = '(built-in default config)'
633 return config, default_cfg
636 def override_custom_traffic(config, frame_sizes, unidir):
637 """Override the traffic profiles with a custom one."""
638 if frame_sizes is not None:
639 traffic_profile_name = "custom_traffic_profile"
640 config.traffic_profile = [
642 "l2frame_size": frame_sizes,
643 "name": traffic_profile_name
647 traffic_profile_name = config.traffic["profile"]
649 bidirectional = config.traffic['bidirectional'] if unidir is None else not unidir
651 "bidirectional": bidirectional,
652 "profile": traffic_profile_name
656 def check_physnet(name, netattrs):
657 if not netattrs.physical_network:
658 raise Exception("SRIOV requires physical_network to be specified for the {n} network"
660 if not netattrs.segmentation_id:
661 raise Exception("SRIOV requires segmentation_id to be specified for the {n} network"
664 def status_cleanup(config, cleanup, force_cleanup):
665 LOG.info('Version: %s', pbr.version.VersionInfo('nfvbench').version_string_with_vcs())
666 # check if another run is pending
669 with utils.RunLock():
670 LOG.info('Status: idle')
672 LOG.info('Status: busy (run pending)')
674 # check nfvbench resources
675 if config.openrc_file and config.service_chain != ChainType.EXT:
676 cleaner = Cleaner(config)
677 count = cleaner.show_resources()
678 if count and (cleanup or force_cleanup):
679 cleaner.clean(not force_cleanup)
684 run_summary_required = False
687 # load default config file
688 config, default_cfg = load_default_config()
689 # possibly override the default user_id & group_id values
690 if 'USER_ID' in os.environ:
691 config.user_id = int(os.environ['USER_ID'])
692 if 'GROUP_ID' in os.environ:
693 config.group_id = int(os.environ['GROUP_ID'])
695 # create factory for platform specific classes
697 factory_module = importlib.import_module(config['factory_module'])
698 factory = getattr(factory_module, config['factory_class'])()
699 except AttributeError:
700 raise Exception("Requested factory module '{m}' or class '{c}' was not found."
701 .format(m=config['factory_module'],
702 c=config['factory_class'])) from AttributeError
703 # create config plugin for this platform
704 config_plugin = factory.get_config_plugin_class()(config)
705 config = config_plugin.get_config()
707 opts, unknown_opts = _parse_opts_from_cli()
708 log.set_level(debug=opts.debug)
711 print((pbr.version.VersionInfo('nfvbench').version_string_with_vcs()))
715 with open(opts.summary) as json_data:
716 result = json.load(json_data)
718 result['config']['user_label'] = opts.user_label
719 print((NFVBenchSummarizer(result, fluent_logger)))
722 # show default config in text/yaml format
723 if opts.show_default_config:
724 print((default_cfg.decode("utf-8")))
727 # dump the contents of the trex log file
728 if opts.show_trex_log:
730 print(open('/tmp/trex.log').read(), end="")
731 except FileNotFoundError:
732 print("No TRex log file found!")
735 # mask info logging in case of further config dump
736 if opts.show_config or opts.show_pre_config:
737 LOG.setLevel(log.logging.WARNING)
741 # do not check extra_specs in flavor as it can contain any key/value pairs
742 # the same principle applies also to the optional user_info open property
743 whitelist_keys = ['extra_specs', 'user_info']
744 # override default config options with start config at path parsed from CLI
745 # check if it is an inline yaml/json config or a file name
746 if os.path.isfile(opts.config):
747 LOG.info('Loading configuration file: %s', opts.config)
748 config = config_load(opts.config, config, whitelist_keys)
749 config.name = os.path.basename(opts.config)
751 LOG.info('Loading configuration string: %s', opts.config)
752 config = config_loads(opts.config, config, whitelist_keys)
754 # show current config in json format (before CLI overriding)
755 if opts.show_pre_config:
756 print((json.dumps(config, sort_keys=True, indent=4)))
759 # setup the fluent logger as soon as possible right after the config plugin is called,
760 # if there is any logging or result tag is set then initialize the fluent logger
761 for fluentd in config.fluentd:
762 if fluentd.logging_tag or fluentd.result_tag:
763 fluent_logger = FluentLogHandler(config.fluentd)
764 LOG.addHandler(fluent_logger)
767 # traffic profile override options
768 override_custom_traffic(config, opts.frame_sizes, opts.unidir)
770 # Copy over some of the cli options that are used in config.
771 # This explicit copy is sometimes necessary
772 # because some early evaluation depends on them
773 # and cannot wait for _update_config() coming further.
774 # It is good practice then to set them to None (<=> done)
775 # and even required if a specific conversion is performed here
776 # that would be corrupted by a default update (simple copy).
777 # On the other hand, some excessive assignments have been removed
778 # from here, since the _update_config() procedure does them well.
780 config.generator_profile = opts.generator_profile
781 if opts.sriov is not None:
784 if opts.log_file is not None:
785 config.log_file = opts.log_file
787 if opts.user_id is not None:
788 config.user_id = opts.user_id
790 if opts.group_id is not None:
791 config.group_id = opts.group_id
793 if opts.service_chain is not None:
794 config.service_chain = opts.service_chain
795 opts.service_chain = None
796 if opts.hypervisor is not None:
797 # can be any of 'comp1', 'nova:', 'nova:comp1'
798 config.compute_nodes = opts.hypervisor
799 opts.hypervisor = None
800 if opts.debug_mask is not None:
801 config.debug_mask = opts.debug_mask
802 opts.debug_mask = None
804 # convert 'user_info' opt from json string to dictionnary
805 # and merge the result with the current config dictionnary
806 if opts.user_info is not None:
807 for user_info_json in opts.user_info:
808 user_info_dict = json.loads(user_info_json)
810 config.user_info = config.user_info + user_info_dict
812 config.user_info = user_info_dict
813 opts.user_info = None
815 # port to port loopback (direct or through switch)
816 # we accept the following syntaxes for the CLI argument
817 # 'false' : mode not enabled
818 # 'true' : mode enabled with currently defined vlan IDs
819 # 'no-tag' : mode enabled with no vlan tagging
820 # <vlan IDs>: mode enabled using the given (pair of) vlan ID lists
821 # - If present, a '_' char will separate left an right ports lists
822 # e.g. 'a_x' => vlans: [[a],[x]]
823 # 'a,b,c_x,y,z' => [[a,b,c],[x,y,z]]
824 # - Otherwise the given vlan ID list applies to both sides
825 # e.g. 'a' => vlans: [[a],[a]]
826 # 'a,b' => [[a,b],[a,b]]
827 # - Vlan lists size needs to be at least the actual SCC value
828 # - Unless overriden in CLI opts, config.service_chain_count
829 # is adjusted to the size of the VLAN ID lists given here.
831 if opts.l2_loopback is not None:
832 arg_pair = opts.l2_loopback.lower().split('_')
833 if arg_pair[0] == 'false':
834 config.l2_loopback = False
836 config.l2_loopback = True
837 if config.service_chain != ChainType.EXT:
838 LOG.info('Changing service chain type to EXT')
839 config.service_chain = ChainType.EXT
840 if not config.no_arp:
841 LOG.info('Disabling ARP')
843 if arg_pair[0] == 'true':
846 # here explicit (not)tagging is not CLI overridable
847 opts.vlan_tagging = None
848 if arg_pair[0] == 'no-tag':
849 config.vlan_tagging = False
851 config.vlan_tagging = True
852 if len(arg_pair) == 1 or not arg_pair[1]:
853 arg_pair = [arg_pair[0], arg_pair[0]]
856 def append_vlan(port, vlan_id):
857 # a vlan tag value must be in [0..4095]
858 if vlan_id not in range(0, 4096):
860 vlans[port].append(vlan_id)
863 vlan_ids = arg_pair[port].split(',')
864 for vlan_id in vlan_ids:
865 append_vlan(port, int(vlan_id))
866 if len(vlans[0]) != len(vlans[1]):
869 # at least one invalid tag => no tagging
870 config.vlan_tagging = False
871 if config.vlan_tagging:
873 # force service chain count if not CLI overriden
874 if opts.service_chain_count is None:
875 config.service_chain_count = len(vlans[0])
876 opts.l2_loopback = None
878 if config.use_sriov_middle_net is None:
879 config.use_sriov_middle_net = False
880 if opts.use_sriov_middle_net is not None:
881 config.use_sriov_middle_net = opts.use_sriov_middle_net
882 opts.use_sriov_middle_net = None
883 if (config.use_sriov_middle_net and (
884 (not config.sriov) or (config.service_chain != ChainType.PVVP))):
885 raise Exception("--use-sriov-middle-net is only valid for PVVP with SRIOV")
887 if config.sriov and config.service_chain != ChainType.EXT:
888 # if sriov is requested (does not apply to ext chains)
889 # make sure the physnet names are specified
890 check_physnet("left", config.internal_networks.left)
891 check_physnet("right", config.internal_networks.right)
892 if config.service_chain == ChainType.PVVP and config.use_sriov_middle_net:
893 check_physnet("middle", config.internal_networks.middle)
895 # update the config in the config plugin as it might have changed
896 # in a copy of the dict (config plugin still holds the original dict)
897 config_plugin.set_config(config)
899 if opts.status or opts.cleanup or opts.force_cleanup:
900 status_cleanup(config, opts.cleanup, opts.force_cleanup)
902 # add file log if requested
904 log.add_file_logger(config.log_file)
905 # possibly change file ownership
907 gid = config.group_id
911 os.chown(config.log_file, uid, gid)
913 openstack_spec = config_plugin.get_openstack_spec() if config.openrc_file \
916 nfvbench_instance = NFVBench(config, openstack_spec, config_plugin, factory)
919 server = WebServer(nfvbench_instance, fluent_logger)
921 port = int(opts.port)
923 server.run(host=opts.host)
925 server.run(host=opts.host, port=port)
926 # server.run() should never return
928 dry_run = opts.show_config
929 with utils.RunLock():
930 run_summary_required = True
932 err_msg = 'Unknown options: ' + ' '.join(unknown_opts)
934 raise Exception(err_msg)
936 # remove unfilled values
937 opts = {k: v for k, v in list(vars(opts).items()) if v is not None}
939 params = ' '.join(str(e) for e in sys.argv[1:])
940 result = nfvbench_instance.run(opts, params, dry_run=dry_run)
941 if 'error_message' in result:
942 raise Exception(result['error_message'])
944 if 'result' in result and result['status']:
945 nfvbench_instance.save(result['result'])
946 nfvbench_instance.prepare_summary(result['result'])
947 except Exception as exc:
948 run_summary_required = True
950 'status': NFVBench.STATUS_ERROR,
951 'error_message': traceback.format_exc()
956 # only send a summary record if there was an actual nfvbench run or
957 # if an error/exception was logged.
958 fluent_logger.send_run_summary(run_summary_required)
961 if __name__ == '__main__':