functest/ci/run_tests.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (c) 2016 Ericsson AB and others.
   4 #
   5 # All rights reserved. This program and the accompanying materials
   6 # are made available under the terms of the Apache License, Version 2.0
   7 # which accompanies this distribution, and is available at
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9
  10 import argparse
  11 import enum
  12 import importlib
  13 import logging
  14 import logging.config
  15 import os
  16 import pkg_resources
  17 import re
  18 import sys
  19 import textwrap
  20
  21 import prettytable
  22 import yaml
  23
  24 import functest.ci.tier_builder as tb
  25 import functest.core.testcase as testcase
  26 import functest.utils.functest_utils as ft_utils
  27 import functest.utils.openstack_utils as os_utils
  28 from functest.utils.constants import CONST
  29
  30 # __name__ cannot be used here
  31 logger = logging.getLogger('functest.ci.run_tests')
  32
  33 CONFIG_FUNCTEST_PATH = pkg_resources.resource_filename(
  34     'functest', 'ci/config_functest.yaml')
  35 CONFIG_PATCH_PATH = pkg_resources.resource_filename(
  36     'functest', 'ci/config_patch.yaml')
  37 CONFIG_AARCH64_PATCH_PATH = pkg_resources.resource_filename(
  38     'functest', 'ci/config_aarch64_patch.yaml')
  39 # set the architecture to default
  40 pod_arch = os.getenv("POD_ARCH", None)
  41 arch_filter = ['aarch64']
  42
  43
  44 class Result(enum.Enum):
  45     EX_OK = os.EX_OK
  46     EX_ERROR = -1
  47
  48
  49 class BlockingTestFailed(Exception):
  50     pass
  51
  52
  53 class TestNotEnabled(Exception):
  54     pass
  55
  56
  57 class RunTestsParser(object):
  58
  59     def __init__(self):
  60         self.parser = argparse.ArgumentParser()
  61         self.parser.add_argument("-t", "--test", dest="test", action='store',
  62                                  help="Test case or tier (group of tests) "
  63                                  "to be executed. It will run all the test "
  64                                  "if not specified.")
  65         self.parser.add_argument("-n", "--noclean", help="Do not clean "
  66                                  "OpenStack resources after running each "
  67                                  "test (default=false).",
  68                                  action="store_true")
  69         self.parser.add_argument("-r", "--report", help="Push results to "
  70                                  "database (default=false).",
  71                                  action="store_true")
  72
  73     def parse_args(self, argv=[]):
  74         return vars(self.parser.parse_args(argv))
  75
  76
  77 class Runner(object):
  78
  79     def __init__(self):
  80         self.executed_test_cases = {}
  81         self.overall_result = Result.EX_OK
  82         self.clean_flag = True
  83         self.report_flag = False
  84         self._tiers = tb.TierBuilder(
  85             CONST.__getattribute__('INSTALLER_TYPE'),
  86             CONST.__getattribute__('DEPLOY_SCENARIO'),
  87             pkg_resources.resource_filename('functest', 'ci/testcases.yaml'))
  88
  89     @staticmethod
  90     def update_config_file():
  91         Runner.patch_file(CONFIG_PATCH_PATH)
  92
  93         if pod_arch and pod_arch in arch_filter:
  94             Runner.patch_file(CONFIG_AARCH64_PATCH_PATH)
  95
  96     @staticmethod
  97     def patch_file(patch_file_path):
  98         logger.debug('Updating file: %s', patch_file_path)
  99         with open(patch_file_path) as f:
 100             patch_file = yaml.safe_load(f)
 101
 102         updated = False
 103         for key in patch_file:
 104             if key in CONST.__getattribute__('DEPLOY_SCENARIO'):
 105                 new_functest_yaml = dict(ft_utils.merge_dicts(
 106                     ft_utils.get_functest_yaml(), patch_file[key]))
 107                 updated = True
 108
 109         if updated:
 110             os.remove(CONFIG_FUNCTEST_PATH)
 111             with open(CONFIG_FUNCTEST_PATH, "w") as f:
 112                 f.write(yaml.dump(new_functest_yaml, default_style='"'))
 113
 114     @staticmethod
 115     def source_rc_file():
 116         rc_file = CONST.__getattribute__('openstack_creds')
 117         if not os.path.isfile(rc_file):
 118             raise Exception("RC file %s does not exist..." % rc_file)
 119         logger.debug("Sourcing the OpenStack RC file...")
 120         os_utils.source_credentials(rc_file)
 121         for key, value in os.environ.iteritems():
 122             if re.search("OS_", key):
 123                 if key == 'OS_AUTH_URL':
 124                     CONST.__setattr__('OS_AUTH_URL', value)
 125                 elif key == 'OS_USERNAME':
 126                     CONST.__setattr__('OS_USERNAME', value)
 127                 elif key == 'OS_TENANT_NAME':
 128                     CONST.__setattr__('OS_TENANT_NAME', value)
 129                 elif key == 'OS_PASSWORD':
 130                     CONST.__setattr__('OS_PASSWORD', value)
 131                 elif key == "OS_PROJECT_DOMAIN_NAME":
 132                     CONST.__setattr__('OS_PROJECT_DOMAIN_NAME', value)
 133
 134     @staticmethod
 135     def get_run_dict(testname):
 136         try:
 137             dict = ft_utils.get_dict_by_test(testname)
 138             if not dict:
 139                 logger.error("Cannot get {}'s config options".format(testname))
 140             elif 'run' in dict:
 141                 return dict['run']
 142             return None
 143         except Exception:
 144             logger.exception("Cannot get {}'s config options".format(testname))
 145             return None
 146
 147     def run_test(self, test):
 148         if not test.is_enabled():
 149             raise TestNotEnabled(
 150                 "The test case {} is not enabled".format(test.get_name()))
 151         logger.info("Running test case '%s'...", test.get_name())
 152         result = testcase.TestCase.EX_RUN_ERROR
 153         run_dict = self.get_run_dict(test.get_name())
 154         if run_dict:
 155             try:
 156                 module = importlib.import_module(run_dict['module'])
 157                 cls = getattr(module, run_dict['class'])
 158                 test_dict = ft_utils.get_dict_by_test(test.get_name())
 159                 test_case = cls(**test_dict)
 160                 self.executed_test_cases[test.get_name()] = test_case
 161                 if self.clean_flag:
 162                     if test_case.create_snapshot() != test_case.EX_OK:
 163                         return testcase.TestCase.EX_RUN_ERROR
 164                 try:
 165                     kwargs = run_dict['args']
 166                     test_case.run(**kwargs)
 167                 except KeyError:
 168                     test_case.run()
 169                 if self.report_flag:
 170                     test_case.push_to_db()
 171                 if test.get_project() == "functest":
 172                     result = test_case.is_successful()
 173                 else:
 174                     result = testcase.TestCase.EX_OK
 175                 logger.info("Test result:\n\n%s\n", test_case)
 176                 if self.clean_flag:
 177                     test_case.clean()
 178             except ImportError:
 179                 logger.exception("Cannot import module {}".format(
 180                     run_dict['module']))
 181             except AttributeError:
 182                 logger.exception("Cannot get class {}".format(
 183                     run_dict['class']))
 184         else:
 185             raise Exception("Cannot import the class for the test case.")
 186         return result
 187
 188     def run_tier(self, tier):
 189         tier_name = tier.get_name()
 190         tests = tier.get_tests()
 191         if tests is None or len(tests) == 0:
 192             logger.info("There are no supported test cases in this tier "
 193                         "for the given scenario")
 194             self.overall_result = Result.EX_ERROR
 195         else:
 196             logger.info("Running tier '%s'" % tier_name)
 197             for test in tests:
 198                 self.run_test(test)
 199                 test_case = self.executed_test_cases[test.get_name()]
 200                 if test_case.is_successful() != testcase.TestCase.EX_OK:
 201                     logger.error("The test case '%s' failed.", test.get_name())
 202                     if test.get_project() == "functest":
 203                         self.overall_result = Result.EX_ERROR
 204                     if test.is_blocking():
 205                         raise BlockingTestFailed(
 206                             "The test case {} failed and is blocking".format(
 207                                 test.get_name()))
 208         return self.overall_result
 209
 210     def run_all(self):
 211         tiers_to_run = []
 212         msg = prettytable.PrettyTable(
 213             header_style='upper', padding_width=5,
 214             field_names=['tiers', 'order', 'CI Loop', 'description',
 215                          'testcases'])
 216         for tier in self._tiers.get_tiers():
 217             if (len(tier.get_tests()) != 0 and
 218                     re.search(CONST.__getattribute__('CI_LOOP'),
 219                               tier.get_ci_loop()) is not None):
 220                 tiers_to_run.append(tier)
 221                 msg.add_row([tier.get_name(), tier.get_order(),
 222                              tier.get_ci_loop(),
 223                              textwrap.fill(tier.description, width=40),
 224                              textwrap.fill(' '.join([str(x.get_name(
 225                                  )) for x in tier.get_tests()]), width=40)])
 226         logger.info("TESTS TO BE EXECUTED:\n\n%s\n", msg)
 227         for tier in tiers_to_run:
 228             self.run_tier(tier)
 229
 230     def main(self, **kwargs):
 231         Runner.update_config_file()
 232
 233         if 'noclean' in kwargs:
 234             self.clean_flag = not kwargs['noclean']
 235         if 'report' in kwargs:
 236             self.report_flag = kwargs['report']
 237         try:
 238             if 'test' in kwargs:
 239                 self.source_rc_file()
 240                 logger.debug("Test args: %s", kwargs['test'])
 241                 if self._tiers.get_tier(kwargs['test']):
 242                     self.run_tier(self._tiers.get_tier(kwargs['test']))
 243                 elif self._tiers.get_test(kwargs['test']):
 244                     result = self.run_test(
 245                         self._tiers.get_test(kwargs['test']))
 246                     if result != testcase.TestCase.EX_OK:
 247                         logger.error("The test case '%s' failed.",
 248                                      kwargs['test'])
 249                         self.overall_result = Result.EX_ERROR
 250                 elif kwargs['test'] == "all":
 251                     self.run_all()
 252                 else:
 253                     logger.error("Unknown test case or tier '%s', "
 254                                  "or not supported by "
 255                                  "the given scenario '%s'."
 256                                  % (kwargs['test'],
 257                                     CONST.__getattribute__('DEPLOY_SCENARIO')))
 258                     logger.debug("Available tiers are:\n\n%s",
 259                                  self._tiers)
 260                     return Result.EX_ERROR
 261             else:
 262                 self.run_all()
 263         except BlockingTestFailed:
 264             pass
 265         except Exception:
 266             logger.exception("Failures when running testcase(s)")
 267             self.overall_result = Result.EX_ERROR
 268         if not self._tiers.get_test(kwargs['test']):
 269             self.summary(self._tiers.get_tier(kwargs['test']))
 270         logger.info("Execution exit value: %s" % self.overall_result)
 271         return self.overall_result
 272
 273     def summary(self, tier=None):
 274         msg = prettytable.PrettyTable(
 275             header_style='upper', padding_width=5,
 276             field_names=['env var', 'value'])
 277         for env_var in ['INSTALLER_TYPE', 'DEPLOY_SCENARIO', 'BUILD_TAG',
 278                         'CI_LOOP']:
 279             msg.add_row([env_var, CONST.__getattribute__(env_var)])
 280         logger.info("Deployment description:\n\n%s\n", msg)
 281         msg = prettytable.PrettyTable(
 282             header_style='upper', padding_width=5,
 283             field_names=['test case', 'project', 'tier',
 284                          'duration', 'result'])
 285         tiers = [tier] if tier else self._tiers.get_tiers()
 286         for tier in tiers:
 287             for test in tier.get_tests():
 288                 try:
 289                     test_case = self.executed_test_cases[test.get_name()]
 290                 except KeyError:
 291                     msg.add_row([test.get_name(), test.get_project(),
 292                                  tier.get_name(), "00:00", "SKIP"])
 293                 else:
 294                     result = 'PASS' if(test_case.is_successful(
 295                         ) == test_case.EX_OK) else 'FAIL'
 296                     msg.add_row(
 297                         [test_case.case_name, test_case.project_name,
 298                          self._tiers.get_tier_name(test_case.case_name),
 299                          test_case.get_duration(), result])
 300             for test in tier.get_skipped_test():
 301                 msg.add_row([test.get_name(), test.get_project(),
 302                              tier.get_name(), "00:00", "SKIP"])
 303         logger.info("FUNCTEST REPORT:\n\n%s\n", msg)
 304
 305
 306 def main():
 307     logging.config.fileConfig(pkg_resources.resource_filename(
 308         'functest', 'ci/logging.ini'))
 309     logging.captureWarnings(True)
 310     parser = RunTestsParser()
 311     args = parser.parse_args(sys.argv[1:])
 312     runner = Runner()
 313     return runner.main(**args).value