1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
##############################################################################
# Copyright (c) 2017 ZTE Corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import os
import time
from oslo_config import cfg
from doctor_tests.identity_auth import get_identity_auth
from doctor_tests.identity_auth import get_session
from doctor_tests.os_clients import neutron_client
from doctor_tests.os_clients import nova_client
OPTS = [
cfg.StrOpt('flavor',
default='m1.tiny',
help='the name of flavor',
required=True),
cfg.IntOpt('instance_count',
default=os.environ.get('VM_COUNT', 1),
help='the count of instance',
required=True),
cfg.StrOpt('instance_basename',
default='doctor_vm',
help='the base name of instance',
required=True),
]
class Instance(object):
def __init__(self, conf, log):
self.conf = conf
self.log = log
self.auth = get_identity_auth(username=self.conf.doctor_user,
password=self.conf.doctor_passwd,
project=self.conf.doctor_project)
self.nova = \
nova_client(conf.nova_version,
get_session(auth=self.auth))
self.neutron = neutron_client(get_session(auth=self.auth))
self.servers = {}
self.vm_names = []
def create(self):
self.log.info('instance create start......')
# get flavor, image and network for vm boot
flavors = {flavor.name: flavor for flavor in self.nova.flavors.list()}
flavor = flavors.get(self.conf.flavor)
image = self.nova.glance.find_image(self.conf.image_name)
network = \
self.neutron.list_networks(name=self.conf.net_name)['networks'][0]
nics = {'net-id': network['id']}
self.servers = \
{getattr(server, 'name'): server
for server in self.nova.servers.list()}
for i in range(0, self.conf.instance_count):
vm_name = "%s%d" % (self.conf.instance_basename, i)
self.vm_names.append(vm_name)
if vm_name not in self.servers:
server = self.nova.servers.create(vm_name, image,
flavor, nics=[nics])
self.servers[vm_name] = server
time.sleep(0.1)
self.log.info('instance create end......')
def delete(self):
self.log.info('instance delete start.......')
for vm_name in self.vm_names:
if vm_name in self.servers:
self.nova.servers.delete(self.servers[vm_name])
time.sleep(0.1)
# check that all vms are deleted
while self.nova.servers.list():
time.sleep(0.1)
self.servers.clear()
del self.vm_names[:]
self.log.info('instance delete end.......')
def wait_for_vm_launch(self):
self.log.info('wait for vm launch start......')
wait_time = 60
count = 0
while count < wait_time:
active_count = 0
for vm_name in self.vm_names:
server = self.nova.servers.get(self.servers[vm_name])
server_status = getattr(server, 'status').lower()
if 'active' == server_status:
active_count += 1
elif 'error' == server_status:
raise Exception('vm launched with error state')
else:
time.sleep(2)
count += 1
continue
if active_count == self.conf.instance_count:
self.log.info('wait for vm launch end......')
return
count += 1
time.sleep(2)
raise Exception('time out for vm launch')
|
