+ def get_host_info_for_random_vm(self):
+ num = random.randint(0, self.conf.instance_count - 1)
+ vm_name = "%s%d" % (self.conf.instance_basename, num)
+
+ servers = \
+ {getattr(server, 'name'): server
+ for server in self.nova.servers.list()}
+ server = servers.get(vm_name)
+ if not server:
+ raise \
+ Exception('Can not find instance: vm_name(%s)' % vm_name)
+ host_name = server.__dict__.get('OS-EXT-SRV-ATTR:hypervisor_hostname')
+ host_ip = self.installer.get_host_ip_from_hostname(host_name)
+
+ LOG.info('Get host info(name:%s, ip:%s) which vm(%s) launched at'
+ % (host_name, host_ip, vm_name))
+ return Host(host_name, host_ip)
+
+ def check_host_status(self, hostname, state):
+ service = self.nova.services.list(host=hostname, binary='nova-compute')
+ host_state = service[0].__dict__.get('state')
+ assert host_state == state
+
+ def unset_forced_down_hosts(self):
+ if self.down_host:
+ self.nova.services.force_down(self.down_host.name, 'nova-compute', False)
+ time.sleep(2)
+ self.check_host_status(self.down_host.name, 'up')
+
+ def collect_logs(self):
+ self.fault.get_disable_network_log()
+
+ def run_profiler(self):
+
+ log_file = '{0}/{1}'.format(sys.path[0], 'disable_network.log')
+ reg = '(?<=doctor set link down at )\d+.\d+'
+ linkdown = float(match_rep_in_file(reg, log_file).group(0))
+
+ log_file = '{0}/{1}'.format(sys.path[0], 'doctor.log')
+ reg = '(.* doctor mark vm.* error at )(\d+.\d+)'
+ vmdown = float(match_rep_in_file(reg, log_file).group(2))
+
+ reg = '(?<=doctor mark host.* down at )\d+.\d+'
+ hostdown = float(match_rep_in_file(reg, log_file).group(2))
+
+ reg = '(?<=doctor monitor detected at )\d+.\d+'
+ detected = float(match_rep_in_file(reg, log_file).group(0))
+
+ reg = '(?<=doctor consumer notified at )\d+.\d+'
+ notified = float(match_rep_in_file(reg, log_file).group(0))
+
+ # TODO(yujunz) check the actual delay to verify time sync status
+ # expected ~1s delay from $trigger to $linkdown
+ relative_start = linkdown
+ os.environ['DOCTOR_PROFILER_T00'] = str(int((linkdown - relative_start)*1000))
+ os.environ['DOCTOR_PROFILER_T01'] = str(int((detected - relative_start) * 1000))
+ os.environ['DOCTOR_PROFILER_T03'] = str(int((vmdown - relative_start) * 1000))
+ os.environ['DOCTOR_PROFILER_T04'] = str(int((hostdown - relative_start) * 1000))
+ os.environ['DOCTOR_PROFILER_T09'] = str(int((notified - relative_start) * 1000))
+
+ profiler_main(log=LOG)
+