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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
import logging
import os
import time
from tackerclient.tacker import client as tackerclient
from functest.utils import openstack_utils as os_utils
logger = logging.getLogger(__name__)
DEFAULT_TACKER_API_VERSION = '1.0'
def get_tacker_client_version():
api_version = os.getenv('OS_TACKER_API_VERSION')
if api_version is not None:
logger.info("OS_TACKER_API_VERSION is set in env as '%s'", api_version)
return api_version
return DEFAULT_TACKER_API_VERSION
def get_tacker_client(other_creds={}):
sess = os_utils.get_session(other_creds)
return tackerclient.Client(get_tacker_client_version(), session=sess)
def get_id_from_name(tacker_client, resource_type, resource_name):
try:
req_params = {'fields': 'id', 'name': resource_name}
endpoint = '/{0}s'.format(resource_type)
resp = tacker_client.get(endpoint, params=req_params)
endpoint = endpoint.replace('-', '_')
return resp[endpoint[1:]][0]['id']
except Exception, e:
logger.error("Error [get_id_from_name(tacker_client, "
"resource_type, resource_name)]: %s" % e)
return None
def get_vnfd_id(tacker_client, vnfd_name):
return get_id_from_name(tacker_client, 'vnfd', vnfd_name)
def get_vnf_id(tacker_client, vnf_name, timeout=5):
vnf_id = None
while vnf_id is None and timeout >= 0:
vnf_id = get_id_from_name(tacker_client, 'vnf', vnf_name)
if vnf_id is None:
logger.info("Could not retrieve ID for vnf with name [%s]."
" Retrying." % vnf_name)
time.sleep(1)
timeout -= 1
return vnf_id
def list_vnfds(tacker_client, verbose=False):
try:
vnfds = tacker_client.list_vnfds(retrieve_all=True)
if not verbose:
vnfds = [vnfd['id'] for vnfd in vnfds['vnfds']]
return vnfds
except Exception, e:
logger.error("Error [list_vnfds(tacker_client)]: %s" % e)
return None
def create_vnfd(tacker_client, tosca_file=None):
try:
vnfd_body = {}
if tosca_file is not None:
with open(tosca_file) as tosca_fd:
vnfd_body = tosca_fd.read()
logger.info('VNFD template:\n{0}'.format(vnfd_body))
return tacker_client.create_vnfd(
body={"vnfd": {"attributes": {"vnfd": vnfd_body}}})
except Exception, e:
logger.error("Error [create_vnfd(tacker_client, '%s')]: %s"
% (tosca_file, e))
return None
def delete_vnfd(tacker_client, vnfd_id=None, vnfd_name=None):
try:
vnfd = vnfd_id
if vnfd is None:
if vnfd_name is None:
raise Exception('You need to provide VNFD id or VNFD name')
vnfd = get_vnfd_id(tacker_client, vnfd_name)
return tacker_client.delete_vnfd(vnfd)
except Exception, e:
logger.error("Error [delete_vnfd(tacker_client, '%s', '%s')]: %s"
% (vnfd_id, vnfd_name, e))
return None
def list_vnfs(tacker_client, verbose=False):
try:
vnfs = tacker_client.list_vnfs(retrieve_all=True)
if not verbose:
vnfs = [vnf['id'] for vnf in vnfs['vnfs']]
return vnfs
except Exception, e:
logger.error("Error [list_vnfs(tacker_client)]: %s" % e)
return None
def create_vnf(tacker_client, vnf_name, vnfd_id=None,
vnfd_name=None, param_file=None):
try:
vnf_body = {
'vnf': {
'attributes': {},
'name': vnf_name
}
}
if param_file is not None:
params = None
with open(param_file) as f:
params = f.read()
vnf_body['vnf']['attributes']['param_values'] = params
if vnfd_id is not None:
vnf_body['vnf']['vnfd_id'] = vnfd_id
else:
if vnfd_name is None:
raise Exception('vnfd id or vnfd name is required')
vnf_body['vnf']['vnfd_id'] = get_vnfd_id(tacker_client, vnfd_name)
return tacker_client.create_vnf(body=vnf_body)
except Exception, e:
logger.error("error [create_vnf(tacker_client,"
" '%s', '%s', '%s')]: %s"
% (vnf_name, vnfd_id, vnfd_name, e))
return None
def get_vnf(tacker_client, vnf_id=None, vnf_name=None):
try:
if vnf_id is None and vnf_name is None:
raise Exception('You must specify vnf_id or vnf_name')
_id = get_vnf_id(tacker_client, vnf_name) if vnf_id is None else vnf_id
if _id is not None:
all_vnfs = list_vnfs(tacker_client, verbose=True)['vnfs']
return next((vnf for vnf in all_vnfs if vnf['id'] == _id), None)
else:
raise Exception('Could not retrieve ID from name [%s]' % vnf_name)
except Exception, e:
logger.error("Could not retrieve VNF [vnf_id=%s, vnf_name=%s] - %s"
% (vnf_id, vnf_name, e))
return None
def wait_for_vnf(tacker_client, vnf_id=None, vnf_name=None, timeout=60):
try:
vnf = get_vnf(tacker_client, vnf_id, vnf_name)
if vnf is None:
raise Exception("Could not retrieve VNF - id='%s', name='%s'"
% vnf_id, vnf_name)
logger.info('Waiting for vnf {0}'.format(str(vnf)))
while vnf['status'] != 'ACTIVE' and timeout >= 0:
if vnf['status'] == 'ERROR':
raise Exception('Error when booting vnf %s' % vnf['id'])
elif vnf['status'] == 'PENDING_CREATE':
time.sleep(3)
timeout -= 3
vnf = get_vnf(tacker_client, vnf_id, vnf_name)
if (timeout < 0):
raise Exception('Timeout when booting vnf %s' % vnf['id'])
return vnf['id']
except Exception, e:
logger.error("error [wait_for_vnf(tacker_client, '%s', '%s')]: %s"
% (vnf_id, vnf_name, e))
return None
def delete_vnf(tacker_client, vnf_id=None, vnf_name=None):
try:
vnf = vnf_id
if vnf is None:
if vnf_name is None:
raise Exception('You need to provide a VNF id or name')
vnf = get_vnf_id(tacker_client, vnf_name)
return tacker_client.delete_vnf(vnf)
except Exception, e:
logger.error("Error [delete_vnf(tacker_client, '%s', '%s')]: %s"
% (vnf_id, vnf_name, e))
return None
|