doctor_tests/main.py

   1 ##############################################################################
   2 # Copyright (c) 2017 ZTE Corporation and others.
   3 #
   4 # All rights reserved. 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 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9 import os
  10 from os.path import isfile, join
  11 import sys
  12 import time
  13 from traceback import format_exc
  14
  15 from doctor_tests import config
  16 from doctor_tests.identity_auth import get_identity_auth
  17 from doctor_tests.identity_auth import get_session
  18 from doctor_tests.image import Image
  19 from doctor_tests.installer import get_installer
  20 import doctor_tests.logger as doctor_log
  21 from doctor_tests.scenario.fault_management import FaultManagement
  22 from doctor_tests.os_clients import nova_client
  23 from doctor_tests.scenario.maintenance import Maintenance
  24 from doctor_tests.user import User
  25
  26
  27 Logger = doctor_log.Logger('doctor')
  28 LOG = Logger.getLogger()
  29 LogFile = Logger.getLogFilename()
  30
  31
  32 class DoctorTest(object):
  33
  34     def __init__(self, conf):
  35         self.conf = conf
  36         self.image = Image(self.conf, LOG)
  37         self.user = User(self.conf, LOG)
  38         self.installer = get_installer(self.conf, LOG)
  39         auth = get_identity_auth(project=self.conf.doctor_project)
  40         self.nova = nova_client(self.conf.nova_version,
  41                                 get_session(auth=auth))
  42
  43     def setup(self):
  44         # prepare the cloud env
  45         self.installer.setup()
  46
  47         # preparing VM image...
  48         self.image.create()
  49
  50         # creating test user...
  51         self.user.create()
  52
  53     def test_fault_management(self):
  54         try:
  55             LOG.info('doctor fault management test starting.......')
  56             transport_url = self.installer.get_transport_url()
  57             self.fault_management = \
  58                 FaultManagement(self.conf, self.installer, self.user, LOG,
  59                                 transport_url)
  60
  61             # prepare test env
  62             self.fault_management.setup()
  63
  64             # wait for aodh alarms are updated in caches for event evaluator,
  65             # sleep time should be larger than event_alarm_cache_ttl
  66             # (default 60)
  67             # (tojuvone) Fraser currently needs 120
  68             time.sleep(120)
  69
  70             # injecting host failure...
  71             # NOTE (umar) add INTERFACE_NAME logic to host injection
  72             self.fault_management.start()
  73             time.sleep(30)
  74
  75             # verify the test results
  76             # NOTE (umar) copy remote monitor.log file when monitor=collectd
  77             self.fault_management.check_host_status('down')
  78             self.fault_management.check_notification_time()
  79
  80         except Exception as e:
  81             LOG.error('doctor fault management test failed, '
  82                       'Exception=%s' % e)
  83             LOG.error(format_exc())
  84             sys.exit(1)
  85         finally:
  86             self.fault_management.cleanup()
  87
  88     def _amount_compute_nodes(self):
  89         services = self.nova.services.list(binary='nova-compute')
  90         return len(services)
  91
  92     def test_maintenance(self):
  93         cnodes = self._amount_compute_nodes()
  94         if cnodes < 3:
  95             # need 2 compute for redundancy and one spare to migrate
  96             LOG.info('not enough compute nodes, skipping doctor '
  97                      'maintenance test')
  98             return
  99         elif self.conf.installer.type != 'apex':
 100             LOG.info('not supported installer, skipping doctor '
 101                      'maintenance test')
 102             return
 103         try:
 104             LOG.info('doctor maintenance test starting.......')
 105             trasport_url = self.installer.get_transport_url()
 106             maintenance = Maintenance(trasport_url, self.conf, LOG)
 107             maintenance.setup_maintenance(self.user)
 108
 109             # wait for aodh alarms are updated in caches for event evaluator,
 110             # sleep time should be larger than event_alarm_cache_ttl
 111             # (default 60)
 112             LOG.info('wait aodh for 120s.......')
 113             time.sleep(120)
 114
 115             session_id = maintenance.start_maintenance()
 116             maintenance.wait_maintenance_complete(session_id)
 117
 118             LOG.info('doctor maintenance complete.......')
 119
 120         except Exception as e:
 121             LOG.error('doctor maintenance test failed, Exception=%s' % e)
 122             LOG.error(format_exc())
 123             sys.exit(1)
 124         finally:
 125             maintenance.cleanup_maintenance()
 126
 127     def run(self):
 128         """run doctor tests"""
 129         try:
 130             LOG.info('doctor test starting.......')
 131
 132             # prepare common test env
 133             self.setup()
 134
 135             if self.conf.test_case == 'all':
 136                 self.test_fault_management()
 137                 self.test_maintenance()
 138             else:
 139                 function = 'test_%s' % self.conf.test_case
 140                 if hasattr(self, function):
 141                     getattr(self, function)()
 142                 else:
 143                     raise Exception('Can not find function <%s> in'
 144                                     'DoctorTest, see config manual'
 145                                     % function)
 146         except Exception as e:
 147             LOG.error('doctor test failed, Exception=%s' % e)
 148             LOG.error(format_exc())
 149             sys.exit(1)
 150         finally:
 151             self.cleanup()
 152
 153     def cleanup(self):
 154         self.installer.cleanup()
 155         self.image.delete()
 156         self.user.delete()
 157
 158
 159 def main():
 160     """doctor main"""
 161     test_dir = os.path.split(os.path.realpath(__file__))[0]
 162     doctor_root_dir = os.path.dirname(test_dir)
 163
 164     config_file_dir = '{0}/{1}'.format(doctor_root_dir, 'etc/')
 165     config_files = [join(config_file_dir, f)
 166                     for f in os.listdir(config_file_dir)
 167                     if isfile(join(config_file_dir, f))]
 168
 169     conf = config.prepare_conf(args=sys.argv[1:],
 170                                config_files=config_files)
 171
 172     doctor = DoctorTest(conf)
 173     doctor.run()