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 LOG = doctor_log.Logger('doctor').getLogger()
39 class DoctorTest(object):
41 def __init__(self, conf):
43 self.image = Image(self.conf, LOG)
44 self.user = User(self.conf, LOG)
45 self.network = Network(self.conf, LOG)
46 self.instance = Instance(self.conf, LOG)
47 self.alarm = Alarm(self.conf, LOG)
48 self.installer = get_installer(self.conf, LOG)
49 self.inspector = get_inspector(self.conf, LOG)
50 self.monitor = get_monitor(self.conf,
51 self.inspector.get_inspector_url(),
53 self.consumer = get_consumer(self.conf, LOG)
54 self.fault = NetworkFault(self.conf, self.installer, LOG)
55 auth = get_identity_auth(project=self.conf.doctor_project)
56 self.nova = nova_client(self.conf.nova_version,
57 get_session(auth=auth))
61 # prepare the cloud env
62 self.installer.setup()
64 # preparing VM image...
67 # creating test user...
69 self.user.update_quota()
73 self.instance.create()
74 self.instance.wait_for_vm_launch()
79 # starting doctor sample components...
80 self.inspector.start()
82 self.down_host = self.get_host_info_for_random_vm()
83 self.monitor.start(self.down_host)
90 LOG.info('doctor test starting.......')
95 # wait for aodh alarms are updated in caches for event evaluator,
96 # sleep time should be larger than event_alarm_cache_ttl(default 60)
99 # injecting host failure...
100 # NOTE (umar) add INTERFACE_NAME logic to host injection
102 self.fault.start(self.down_host)
105 # verify the test results
106 # NOTE (umar) copy remote monitor.log file when monitor=collectd
107 self.check_host_status(self.down_host.name, 'down')
109 notification_time = calculate_notification_time()
110 if notification_time < 1 and notification_time > 0:
111 LOG.info('doctor test successfully, notification_time=%s' % notification_time)
113 LOG.error('doctor test failed, notification_time=%s' % notification_time)
116 if self.conf.profiler_type:
117 LOG.info('doctor test begin to run profile.......')
120 except Exception as e:
121 LOG.error('doctor test failed, Exception=%s' % e)
126 def get_host_info_for_random_vm(self):
127 num = random.randint(0, self.conf.instance_count - 1)
128 vm_name = "%s%d" % (self.conf.instance_basename, num)
131 {getattr(server, 'name'): server
132 for server in self.nova.servers.list()}
133 server = servers.get(vm_name)
136 Exception('Can not find instance: vm_name(%s)' % vm_name)
137 host_name = server.__dict__.get('OS-EXT-SRV-ATTR:hypervisor_hostname')
138 host_ip = self.installer.get_host_ip_from_hostname(host_name)
140 LOG.info('Get host info(name:%s, ip:%s) which vm(%s) launched at'
141 % (host_name, host_ip, vm_name))
142 return Host(host_name, host_ip)
144 def check_host_status(self, hostname, state):
145 service = self.nova.services.list(host=hostname, binary='nova-compute')
146 host_state = service[0].__dict__.get('state')
147 assert host_state == state
149 def unset_forced_down_hosts(self):
151 self.nova.services.force_down(self.down_host.name, 'nova-compute', False)
153 self.check_host_status(self.down_host.name, 'up')
155 def collect_logs(self):
156 self.fault.get_disable_network_log()
158 def run_profiler(self):
159 test_dir = os.path.split(os.path.realpath(__file__))[0]
161 log_file = '{0}/{1}'.format(test_dir, 'disable_network.log')
162 reg = '(?<=doctor set link down at )\d+.\d+'
163 linkdown = float(match_rep_in_file(reg, log_file).group(0))
165 log_file = '{0}/{1}'.format(test_dir, 'doctor.log')
166 reg = '(.* doctor mark vm.* error at )(\d+.\d+)'
167 vmdown = float(match_rep_in_file(reg, log_file).group(2))
169 reg = '(.* doctor mark host.* down at )(\d+.\d+)'
170 hostdown = float(match_rep_in_file(reg, log_file).group(2))
172 reg = '(?<=doctor monitor detected at )\d+.\d+'
173 detected = float(match_rep_in_file(reg, log_file).group(0))
175 reg = '(?<=doctor consumer notified at )\d+.\d+'
176 notified = float(match_rep_in_file(reg, log_file).group(0))
178 # TODO(yujunz) check the actual delay to verify time sync status
179 # expected ~1s delay from $trigger to $linkdown
180 relative_start = linkdown
181 os.environ['DOCTOR_PROFILER_T00'] = str(int((linkdown - relative_start)*1000))
182 os.environ['DOCTOR_PROFILER_T01'] = str(int((detected - relative_start) * 1000))
183 os.environ['DOCTOR_PROFILER_T03'] = str(int((vmdown - relative_start) * 1000))
184 os.environ['DOCTOR_PROFILER_T04'] = str(int((hostdown - relative_start) * 1000))
185 os.environ['DOCTOR_PROFILER_T09'] = str(int((notified - relative_start) * 1000))
187 profiler_main(log=LOG)
190 self.unset_forced_down_hosts()
191 self.inspector.stop()
194 self.installer.cleanup()
196 self.instance.delete()
197 self.network.delete()
205 test_dir = os.path.split(os.path.realpath(__file__))[0]
206 doctor_root_dir = os.path.dirname(test_dir)
208 config_file_dir = '{0}/{1}'.format(doctor_root_dir, 'etc/')
209 config_files = [join(config_file_dir, f) for f in os.listdir(config_file_dir)
210 if isfile(join(config_file_dir, f))]
212 conf = config.prepare_conf(args=sys.argv[1:],
213 config_files=config_files)
215 doctor = DoctorTest(conf)