functest/opnfv_tests/openstack/rally/rally.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright (c) 2015 All rights reserved
   4 # This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 #
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10
  11 """Rally testcases implementation."""
  12
  13 from __future__ import division
  14
  15 import json
  16 import logging
  17 import os
  18 import re
  19 import subprocess
  20 import time
  21
  22 import pkg_resources
  23 import prettytable
  24 from xtesting.core import testcase
  25 from xtesting.energy import energy
  26 import yaml
  27
  28 from functest.core import singlevm
  29 from functest.opnfv_tests.openstack.tempest import conf_utils
  30 from functest.utils import config
  31 from functest.utils import env
  32
  33 LOGGER = logging.getLogger(__name__)
  34
  35
  36 class RallyBase(singlevm.VmReady1):
  37     """Base class form Rally testcases implementation."""
  38
  39     # pylint: disable=too-many-instance-attributes
  40     TESTS = ['authenticate', 'glance', 'cinder', 'gnocchi', 'heat',
  41              'keystone', 'neutron', 'nova', 'quotas', 'vm', 'all']
  42
  43     RALLY_DIR = pkg_resources.resource_filename(
  44         'functest', 'opnfv_tests/openstack/rally')
  45     RALLY_SCENARIO_DIR = pkg_resources.resource_filename(
  46         'functest', 'opnfv_tests/openstack/rally/scenario')
  47     TEMPLATE_DIR = pkg_resources.resource_filename(
  48         'functest', 'opnfv_tests/openstack/rally/scenario/templates')
  49     SUPPORT_DIR = pkg_resources.resource_filename(
  50         'functest', 'opnfv_tests/openstack/rally/scenario/support')
  51     USERS_AMOUNT = 2
  52     TENANTS_AMOUNT = 3
  53     ITERATIONS_AMOUNT = 10
  54     CONCURRENCY = 4
  55     RESULTS_DIR = os.path.join(getattr(config.CONF, 'dir_results'), 'rally')
  56     BLACKLIST_FILE = os.path.join(RALLY_DIR, "blacklist.txt")
  57     TEMP_DIR = os.path.join(RALLY_DIR, "var")
  58
  59     visibility = 'public'
  60     shared_network = True
  61
  62     def __init__(self, **kwargs):
  63         """Initialize RallyBase object."""
  64         super(RallyBase, self).__init__(**kwargs)
  65         self.creators = []
  66         self.mode = ''
  67         self.summary = []
  68         self.scenario_dir = ''
  69         self.smoke = None
  70         self.test_name = None
  71         self.start_time = None
  72         self.result = None
  73         self.details = None
  74         self.compute_cnt = 0
  75         self.flavor_alt = None
  76
  77     def _build_task_args(self, test_file_name):
  78         """Build arguments for the Rally task."""
  79         task_args = {'service_list': [test_file_name]}
  80         task_args['image_name'] = str(self.image.name)
  81         task_args['flavor_name'] = str(self.flavor.name)
  82         task_args['flavor_alt_name'] = str(self.flavor_alt.name)
  83         task_args['glance_image_location'] = str(self.filename)
  84         task_args['glance_image_format'] = str(self.image_format)
  85         task_args['tmpl_dir'] = str(self.TEMPLATE_DIR)
  86         task_args['sup_dir'] = str(self.SUPPORT_DIR)
  87         task_args['users_amount'] = self.USERS_AMOUNT
  88         task_args['tenants_amount'] = self.TENANTS_AMOUNT
  89         task_args['use_existing_users'] = False
  90         task_args['iterations'] = self.ITERATIONS_AMOUNT
  91         task_args['concurrency'] = self.CONCURRENCY
  92         task_args['smoke'] = self.smoke
  93
  94         if self.ext_net:
  95             task_args['floating_network'] = str(self.ext_net.name)
  96         else:
  97             task_args['floating_network'] = ''
  98
  99         if self.network:
 100             task_args['netid'] = str(self.network.id)
 101         else:
 102             task_args['netid'] = ''
 103
 104         return task_args
 105
 106     def _prepare_test_list(self, test_name):
 107         """Build the list of test cases to be executed."""
 108         test_yaml_file_name = 'opnfv-{}.yaml'.format(test_name)
 109         scenario_file_name = os.path.join(self.RALLY_SCENARIO_DIR,
 110                                           test_yaml_file_name)
 111
 112         if not os.path.exists(scenario_file_name):
 113             scenario_file_name = os.path.join(self.scenario_dir,
 114                                               test_yaml_file_name)
 115
 116             if not os.path.exists(scenario_file_name):
 117                 raise Exception("The scenario '%s' does not exist."
 118                                 % scenario_file_name)
 119
 120         LOGGER.debug('Scenario fetched from : %s', scenario_file_name)
 121         test_file_name = os.path.join(self.TEMP_DIR, test_yaml_file_name)
 122
 123         if not os.path.exists(self.TEMP_DIR):
 124             os.makedirs(self.TEMP_DIR)
 125
 126         self._apply_blacklist(scenario_file_name, test_file_name)
 127         return test_file_name
 128
 129     @staticmethod
 130     def get_task_id(cmd_raw):
 131         """
 132         Get task id from command rally result.
 133
 134         :param cmd_raw:
 135         :return: task_id as string
 136         """
 137         taskid_re = re.compile('^Task +(.*): started$')
 138         for line in cmd_raw.splitlines(True):
 139             line = line.strip()
 140             match = taskid_re.match(line)
 141             if match:
 142                 return match.group(1)
 143         return None
 144
 145     @staticmethod
 146     def task_succeed(json_raw):
 147         """
 148         Parse JSON from rally JSON results.
 149
 150         :param json_raw:
 151         :return: Bool
 152         """
 153         rally_report = json.loads(json_raw)
 154         tasks = rally_report.get('tasks')
 155         if tasks:
 156             for task in tasks:
 157                 if task.get('status') != 'finished' or \
 158                    task.get('pass_sla') is not True:
 159                     return False
 160         else:
 161             return False
 162         return True
 163
 164     def _migration_supported(self):
 165         """Determine if migration is supported."""
 166         if self.compute_cnt > 1:
 167             return True
 168
 169         return False
 170
 171     @staticmethod
 172     def get_cmd_output(proc):
 173         """Get command stdout."""
 174         result = ""
 175         for line in proc.stdout:
 176             result += line
 177         return result
 178
 179     @staticmethod
 180     def excl_scenario():
 181         """Exclude scenario."""
 182         black_tests = []
 183         try:
 184             with open(RallyBase.BLACKLIST_FILE, 'r') as black_list_file:
 185                 black_list_yaml = yaml.safe_load(black_list_file)
 186
 187             installer_type = env.get('INSTALLER_TYPE')
 188             deploy_scenario = env.get('DEPLOY_SCENARIO')
 189             if (bool(installer_type) and bool(deploy_scenario) and
 190                     'scenario' in black_list_yaml.keys()):
 191                 for item in black_list_yaml['scenario']:
 192                     scenarios = item['scenarios']
 193                     installers = item['installers']
 194                     in_it = RallyBase.in_iterable_re
 195                     if (in_it(deploy_scenario, scenarios) and
 196                             in_it(installer_type, installers)):
 197                         tests = item['tests']
 198                         black_tests.extend(tests)
 199         except Exception:  # pylint: disable=broad-except
 200             LOGGER.debug("Scenario exclusion not applied.")
 201
 202         return black_tests
 203
 204     @staticmethod
 205     def in_iterable_re(needle, haystack):
 206         """
 207         Check if given needle is in the iterable haystack, using regex.
 208
 209         :param needle: string to be matched
 210         :param haystack: iterable of strings (optionally regex patterns)
 211         :return: True if needle is eqial to any of the elements in haystack,
 212                  or if a nonempty regex pattern in haystack is found in needle.
 213         """
 214         # match without regex
 215         if needle in haystack:
 216             return True
 217
 218         for pattern in haystack:
 219             # match if regex pattern is set and found in the needle
 220             if pattern and re.search(pattern, needle) is not None:
 221                 return True
 222
 223         return False
 224
 225     def excl_func(self):
 226         """Exclude functionalities."""
 227         black_tests = []
 228         func_list = []
 229
 230         try:
 231             with open(RallyBase.BLACKLIST_FILE, 'r') as black_list_file:
 232                 black_list_yaml = yaml.safe_load(black_list_file)
 233
 234             if not self._migration_supported():
 235                 func_list.append("no_migration")
 236
 237             if 'functionality' in black_list_yaml.keys():
 238                 for item in black_list_yaml['functionality']:
 239                     functions = item['functions']
 240                     for func in func_list:
 241                         if func in functions:
 242                             tests = item['tests']
 243                             black_tests.extend(tests)
 244         except Exception:  # pylint: disable=broad-except
 245             LOGGER.debug("Functionality exclusion not applied.")
 246
 247         return black_tests
 248
 249     def _apply_blacklist(self, case_file_name, result_file_name):
 250         """Apply blacklist."""
 251         LOGGER.debug("Applying blacklist...")
 252         cases_file = open(case_file_name, 'r')
 253         result_file = open(result_file_name, 'w')
 254
 255         black_tests = list(set(self.excl_func() +
 256                                self.excl_scenario()))
 257
 258         if black_tests:
 259             LOGGER.debug("Blacklisted tests: %s", str(black_tests))
 260
 261         include = True
 262         for cases_line in cases_file:
 263             if include:
 264                 for black_tests_line in black_tests:
 265                     if re.search(black_tests_line,
 266                                  cases_line.strip().rstrip(':')):
 267                         include = False
 268                         break
 269                 else:
 270                     result_file.write(str(cases_line))
 271             else:
 272                 if cases_line.isspace():
 273                     include = True
 274
 275         cases_file.close()
 276         result_file.close()
 277
 278     @staticmethod
 279     def file_is_empty(file_name):
 280         """Determine is a file is empty."""
 281         try:
 282             if os.stat(file_name).st_size > 0:
 283                 return False
 284         except Exception:  # pylint: disable=broad-except
 285             pass
 286
 287         return True
 288
 289     def _save_results(self, test_name, task_id):
 290         """ Generate and save task execution results"""
 291         # check for result directory and create it otherwise
 292         if not os.path.exists(self.RESULTS_DIR):
 293             LOGGER.debug('%s does not exist, we create it.',
 294                          self.RESULTS_DIR)
 295             os.makedirs(self.RESULTS_DIR)
 296
 297         # put detailed result to log
 298         cmd = (["rally", "task", "detailed", "--uuid", task_id])
 299         LOGGER.debug('running command: %s', cmd)
 300         proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
 301                                 stderr=subprocess.STDOUT)
 302         json_detailed = self.get_cmd_output(proc)
 303         LOGGER.info('%s', json_detailed)
 304
 305         # save report as JSON
 306         cmd = (["rally", "task", "report", "--json", "--uuid", task_id])
 307         LOGGER.debug('running command: %s', cmd)
 308         with open(os.devnull, 'w') as devnull:
 309             proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
 310                                     stderr=devnull)
 311         json_results = self.get_cmd_output(proc)
 312         report_json_name = 'opnfv-{}.json'.format(test_name)
 313         report_json_dir = os.path.join(self.RESULTS_DIR, report_json_name)
 314         with open(report_json_dir, 'w') as r_file:
 315             LOGGER.debug('saving json file')
 316             r_file.write(json_results)
 317
 318         # save report as HTML
 319         report_html_name = 'opnfv-{}.html'.format(test_name)
 320         report_html_dir = os.path.join(self.RESULTS_DIR, report_html_name)
 321         cmd = (["rally", "task", "report", "--html", "--uuid", task_id,
 322                 "--out", report_html_dir])
 323         LOGGER.debug('running command: %s', cmd)
 324         with open(os.devnull, 'w') as devnull:
 325             subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=devnull)
 326
 327         self._append_summary(json_results, test_name)
 328
 329         # parse JSON operation result
 330         if self.task_succeed(json_results):
 331             LOGGER.info('Test scenario: "%s" OK.', test_name)
 332         else:
 333             LOGGER.info('Test scenario: "%s" Failed.', test_name)
 334
 335     def _run_task(self, test_name):
 336         """Run a task."""
 337         LOGGER.info('Starting test scenario "%s" ...', test_name)
 338
 339         task_file = os.path.join(self.RALLY_DIR, 'task.yaml')
 340         if not os.path.exists(task_file):
 341             LOGGER.error("Task file '%s' does not exist.", task_file)
 342             raise Exception("Task file '{}' does not exist.".format(task_file))
 343
 344         file_name = self._prepare_test_list(test_name)
 345         if self.file_is_empty(file_name):
 346             LOGGER.info('No tests for scenario "%s"', test_name)
 347             return
 348
 349         cmd = (["rally", "task", "start", "--abort-on-sla-failure", "--task",
 350                 task_file, "--task-args",
 351                 str(self._build_task_args(test_name))])
 352         LOGGER.debug('running command: %s', cmd)
 353
 354         proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
 355                                 stderr=subprocess.STDOUT)
 356         output = self.get_cmd_output(proc)
 357         task_id = self.get_task_id(output)
 358
 359         LOGGER.debug('task_id : %s', task_id)
 360
 361         if task_id is None:
 362             LOGGER.error('Failed to retrieve task_id, validating task...')
 363             cmd = (["rally", "task", "validate", "--task", task_file,
 364                     "--task-args", str(self._build_task_args(test_name))])
 365             LOGGER.debug('running command: %s', cmd)
 366             proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
 367                                     stderr=subprocess.STDOUT)
 368             output = self.get_cmd_output(proc)
 369             LOGGER.error("Task validation result:" + "\n" + output)
 370             raise Exception("Failed to retrieve task id")
 371
 372         self._save_results(test_name, task_id)
 373
 374     def _append_summary(self, json_raw, test_name):
 375         """Update statistics summary info."""
 376         nb_tests = 0
 377         nb_success = 0
 378         overall_duration = 0.0
 379
 380         rally_report = json.loads(json_raw)
 381         for task in rally_report.get('tasks'):
 382             for subtask in task.get('subtasks'):
 383                 for workload in subtask.get('workloads'):
 384                     if workload.get('full_duration'):
 385                         overall_duration += workload.get('full_duration')
 386
 387                     if workload.get('data'):
 388                         nb_tests += len(workload.get('data'))
 389
 390                     for result in workload.get('data'):
 391                         if not result.get('error'):
 392                             nb_success += 1
 393
 394         scenario_summary = {'test_name': test_name,
 395                             'overall_duration': overall_duration,
 396                             'nb_tests': nb_tests,
 397                             'nb_success': nb_success,
 398                             'task_status': self.task_succeed(json_raw)}
 399         self.summary.append(scenario_summary)
 400
 401     def _prepare_env(self):
 402         """Create resources needed by test scenarios."""
 403         assert self.cloud
 404         LOGGER.debug('Validating the test name...')
 405         if self.test_name not in self.TESTS:
 406             raise Exception("Test name '%s' is invalid" % self.test_name)
 407
 408         self.compute_cnt = len(self.cloud.list_hypervisors())
 409         self.flavor_alt = self.create_flavor_alt()
 410         LOGGER.debug("flavor: %s", self.flavor_alt)
 411
 412     def _run_tests(self):
 413         """Execute tests."""
 414         if self.test_name == 'all':
 415             for test in self.TESTS:
 416                 if test == 'all' or test == 'vm':
 417                     continue
 418                 self._run_task(test)
 419         else:
 420             self._run_task(self.test_name)
 421
 422     def _generate_report(self):
 423         """Generate test execution summary report."""
 424         total_duration = 0.0
 425         total_nb_tests = 0
 426         total_nb_success = 0
 427         nb_modules = 0
 428         payload = []
 429
 430         res_table = prettytable.PrettyTable(
 431             padding_width=2,
 432             field_names=['Module', 'Duration', 'nb. Test Run', 'Success'])
 433         res_table.align['Module'] = "l"
 434         res_table.align['Duration'] = "r"
 435         res_table.align['Success'] = "r"
 436
 437         # for each scenario we draw a row for the table
 438         for item in self.summary:
 439             if item['task_status'] is True:
 440                 nb_modules += 1
 441             total_duration += item['overall_duration']
 442             total_nb_tests += item['nb_tests']
 443             total_nb_success += item['nb_success']
 444             try:
 445                 success_avg = 100 * item['nb_success'] / item['nb_tests']
 446             except ZeroDivisionError:
 447                 success_avg = 0
 448             success_str = str("{:0.2f}".format(success_avg)) + '%'
 449             duration_str = time.strftime("%M:%S",
 450                                          time.gmtime(item['overall_duration']))
 451             res_table.add_row([item['test_name'], duration_str,
 452                                item['nb_tests'], success_str])
 453             payload.append({'module': item['test_name'],
 454                             'details': {'duration': item['overall_duration'],
 455                                         'nb tests': item['nb_tests'],
 456                                         'success': success_str}})
 457
 458         total_duration_str = time.strftime("%H:%M:%S",
 459                                            time.gmtime(total_duration))
 460         try:
 461             self.result = 100 * total_nb_success / total_nb_tests
 462         except ZeroDivisionError:
 463             self.result = 100
 464         success_rate = "{:0.2f}".format(self.result)
 465         success_rate_str = str(success_rate) + '%'
 466         res_table.add_row(["", "", "", ""])
 467         res_table.add_row(["TOTAL:", total_duration_str, total_nb_tests,
 468                            success_rate_str])
 469
 470         LOGGER.info("Rally Summary Report:\n\n%s\n", res_table.get_string())
 471         LOGGER.info("Rally '%s' success_rate is %s%% in %s/%s modules",
 472                     self.case_name, success_rate, nb_modules,
 473                     len(self.summary))
 474         payload.append({'summary': {'duration': total_duration,
 475                                     'nb tests': total_nb_tests,
 476                                     'nb success': success_rate}})
 477         self.details = payload
 478
 479     def clean(self):
 480         """Cleanup of OpenStack resources. Should be called on completion."""
 481         super(RallyBase, self).clean()
 482         self.orig_cloud.delete_flavor(self.flavor_alt.id)
 483
 484     def is_successful(self):
 485         """The overall result of the test."""
 486         for item in self.summary:
 487             if item['task_status'] is False:
 488                 return testcase.TestCase.EX_TESTCASE_FAILED
 489
 490         return super(RallyBase, self).is_successful()
 491
 492     @energy.enable_recording
 493     def run(self, **kwargs):
 494         """Run testcase."""
 495         self.start_time = time.time()
 496         try:
 497             super(RallyBase, self).run(**kwargs)
 498             conf_utils.create_rally_deployment()
 499             self._prepare_env()
 500             self._run_tests()
 501             self._generate_report()
 502             res = testcase.TestCase.EX_OK
 503         except Exception as exc:   # pylint: disable=broad-except
 504             LOGGER.error('Error with run: %s', exc)
 505             res = testcase.TestCase.EX_RUN_ERROR
 506         self.stop_time = time.time()
 507         return res
 508
 509
 510 class RallySanity(RallyBase):
 511     """Rally sanity testcase implementation."""
 512
 513     def __init__(self, **kwargs):
 514         """Initialize RallySanity object."""
 515         if "case_name" not in kwargs:
 516             kwargs["case_name"] = "rally_sanity"
 517         super(RallySanity, self).__init__(**kwargs)
 518         self.mode = 'sanity'
 519         self.test_name = 'all'
 520         self.smoke = True
 521         self.scenario_dir = os.path.join(self.RALLY_SCENARIO_DIR, 'sanity')
 522
 523
 524 class RallyFull(RallyBase):
 525     """Rally full testcase implementation."""
 526
 527     def __init__(self, **kwargs):
 528         """Initialize RallyFull object."""
 529         if "case_name" not in kwargs:
 530             kwargs["case_name"] = "rally_full"
 531         super(RallyFull, self).__init__(**kwargs)
 532         self.mode = 'full'
 533         self.test_name = 'all'
 534         self.smoke = False
 535         self.scenario_dir = os.path.join(self.RALLY_SCENARIO_DIR, 'full')