1 ##############################################################################
2 # Copyright (c) 2017 ZTE Corporation and others.
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 ##############################################################################
10 from os.path import isfile, join
15 from doctor_tests.alarm import Alarm
16 from doctor_tests.common.constants import Host
17 from doctor_tests.common.utils import match_rep_in_file
18 from doctor_tests import config
19 from doctor_tests.consumer import get_consumer
20 from doctor_tests.identity_auth import get_identity_auth
21 from doctor_tests.identity_auth import get_session
22 from doctor_tests.image import Image
23 from doctor_tests.instance import Instance
24 from doctor_tests.inspector import get_inspector
25 from doctor_tests.installer import get_installer
26 import doctor_tests.logger as doctor_log
27 from doctor_tests.network import Network
28 from doctor_tests.monitor import get_monitor
29 from doctor_tests.os_clients import nova_client
30 from doctor_tests.profiler_poc import main as profiler_main
31 from doctor_tests.scenario.common import calculate_notification_time
32 from doctor_tests.scenario.network_failure import NetworkFault
33 from doctor_tests.user import User
36 Logger = doctor_log.Logger('doctor')
37 LOG = Logger.getLogger()
38 LogFile = Logger.getLogFilename()
41 class DoctorTest(object):
43 def __init__(self, conf):
45 self.image = Image(self.conf, LOG)
46 self.user = User(self.conf, LOG)
47 self.network = Network(self.conf, LOG)
48 self.instance = Instance(self.conf, LOG)
49 self.alarm = Alarm(self.conf, LOG)
50 self.installer = get_installer(self.conf, LOG)
51 self.inspector = get_inspector(self.conf, LOG)
52 self.monitor = get_monitor(self.conf,
53 self.inspector.get_inspector_url(),
55 self.consumer = get_consumer(self.conf, LOG)
56 self.fault = NetworkFault(self.conf, self.installer, LOG)
57 auth = get_identity_auth(project=self.conf.doctor_project)
58 self.nova = nova_client(self.conf.nova_version,
59 get_session(auth=auth))
63 # prepare the cloud env
64 self.installer.setup()
66 # preparing VM image...
69 # creating test user...
71 self.user.update_quota()
75 self.instance.create()
76 self.instance.wait_for_vm_launch()
81 # starting doctor sample components...
82 self.inspector.start()
84 self.down_host = self.get_host_info_for_random_vm()
85 self.monitor.start(self.down_host)
92 LOG.info('doctor test starting.......')
97 # wait for aodh alarms are updated in caches for event evaluator,
98 # sleep time should be larger than event_alarm_cache_ttl
102 # injecting host failure...
103 # NOTE (umar) add INTERFACE_NAME logic to host injection
105 self.fault.start(self.down_host)
108 # verify the test results
109 # NOTE (umar) copy remote monitor.log file when monitor=collectd
110 self.check_host_status(self.down_host.name, 'down')
112 notification_time = calculate_notification_time(LogFile)
113 if notification_time < 1 and notification_time > 0:
114 LOG.info('doctor test successfully, notification_time=%s'
117 LOG.error('doctor test failed, notification_time=%s'
121 if self.conf.profiler_type:
122 LOG.info('doctor test begin to run profile.......')
125 except Exception as e:
126 LOG.error('doctor test failed, Exception=%s' % e)
131 def get_host_info_for_random_vm(self):
132 num = random.randint(0, self.conf.instance_count - 1)
133 vm_name = "%s%d" % (self.conf.instance_basename, num)
136 {getattr(server, 'name'): server
137 for server in self.nova.servers.list()}
138 server = servers.get(vm_name)
141 Exception('Can not find instance: vm_name(%s)' % vm_name)
142 host_name = server.__dict__.get('OS-EXT-SRV-ATTR:hypervisor_hostname')
143 host_ip = self.installer.get_host_ip_from_hostname(host_name)
145 LOG.info('Get host info(name:%s, ip:%s) which vm(%s) launched at'
146 % (host_name, host_ip, vm_name))
147 return Host(host_name, host_ip)
149 def check_host_status(self, hostname, state):
150 service = self.nova.services.list(host=hostname,
151 binary='nova-compute')
152 host_state = service[0].__dict__.get('state')
153 assert host_state == state
155 def unset_forced_down_hosts(self):
157 self.nova.services.force_down(self.down_host.name,
158 'nova-compute', False)
160 self.check_host_status(self.down_host.name, 'up')
162 def collect_logs(self):
163 self.fault.get_disable_network_log()
165 def run_profiler(self):
167 net_down_log_file = self.fault.get_disable_network_log()
168 reg = '(?<=doctor set link down at )\d+.\d+'
169 linkdown = float(match_rep_in_file(reg, net_down_log_file).group(0))
171 reg = '(.* doctor mark vm.* error at )(\d+.\d+)'
172 vmdown = float(match_rep_in_file(reg, LogFile).group(2))
174 reg = '(.* doctor mark host.* down at )(\d+.\d+)'
175 hostdown = float(match_rep_in_file(reg, LogFile).group(2))
177 reg = '(?<=doctor monitor detected at )\d+.\d+'
178 detected = float(match_rep_in_file(reg, LogFile).group(0))
180 reg = '(?<=doctor consumer notified at )\d+.\d+'
181 notified = float(match_rep_in_file(reg, LogFile).group(0))
183 # TODO(yujunz) check the actual delay to verify time sync status
184 # expected ~1s delay from $trigger to $linkdown
185 relative_start = linkdown
186 os.environ['DOCTOR_PROFILER_T00'] = \
187 str(int((linkdown - relative_start) * 1000))
188 os.environ['DOCTOR_PROFILER_T01'] = \
189 str(int((detected - relative_start) * 1000))
190 os.environ['DOCTOR_PROFILER_T03'] = \
191 str(int((vmdown - relative_start) * 1000))
192 os.environ['DOCTOR_PROFILER_T04'] = \
193 str(int((hostdown - relative_start) * 1000))
194 os.environ['DOCTOR_PROFILER_T09'] = \
195 str(int((notified - relative_start) * 1000))
197 profiler_main(log=LOG)
200 self.unset_forced_down_hosts()
201 self.inspector.stop()
204 self.installer.cleanup()
206 self.instance.delete()
207 self.network.delete()
215 test_dir = os.path.split(os.path.realpath(__file__))[0]
216 doctor_root_dir = os.path.dirname(test_dir)
218 config_file_dir = '{0}/{1}'.format(doctor_root_dir, 'etc/')
219 config_files = [join(config_file_dir, f)
220 for f in os.listdir(config_file_dir)
221 if isfile(join(config_file_dir, f))]
223 conf = config.prepare_conf(args=sys.argv[1:],
224 config_files=config_files)
226 doctor = DoctorTest(conf)