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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
# Copyright (c) 2017-2018 Wind River Systems, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import json
import traceback
from keystoneauth1.exceptions import HttpError
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from common.exceptions import VimDriverNewtonException
from newton_base.util import VimDriverUtils
logger = logging.getLogger(__name__)
class Flavors(APIView):
service = {'service_type': 'compute',
'interface': 'public'}
keys_mapping = [
("project_id", "tenantId"),
("ram", "memory"),
("vcpus", "vcpu"),
("OS-FLV-EXT-DATA:ephemeral", "ephemeral"),
("os-flavor-access:is_public", "isPublic"),
("extra_specs", "extraSpecs"),
]
def _convert_extra_specs(self, extraSpecs, extra_specs, reverse=False):
if reverse == False:
#from extraSpecs to extra_specs
for spec in extraSpecs:
extra_specs[spec['keyName']] = spec['value']
else:
for k,v in extra_specs.items():
spec={}
spec['keyName']=k
spec['value']=v
extraSpecs.append(spec)
def get(self, request, vimid="", tenantid="", flavorid=""):
logger.debug("Flavors--get::> %s" % request.data)
try:
# prepare request resource to vim instance
query = VimDriverUtils.get_query_part(request)
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
resp = self._get_flavor(sess, request, flavorid)
content = resp.json()
if flavorid:
flavor = content.pop("flavor", None)
extraResp = self._get_flavor_extra_specs(sess, flavor["id"])
extraContent = extraResp.json()
if extraContent["extra_specs"]:
extraSpecs = []
self._convert_extra_specs(extraSpecs, extraContent["extra_specs"], True)
flavor["extraSpecs"] = extraSpecs
VimDriverUtils.replace_key_by_mapping(flavor,
self.keys_mapping)
content.update(flavor)
else:
wanted = None
#check if query contains name="flavorname"
if query:
for queryone in query.split('&'):
k,v = queryone.split('=')
if k == "name":
wanted = v
break
if wanted:
oldFlavors = content.pop("flavors", None)
content["flavors"] = []
for flavor in oldFlavors:
if wanted == flavor["name"]:
content["flavors"].append(flavor)
#iterate each flavor to get extra_specs
for flavor in content["flavors"]:
extraResp = self._get_flavor_extra_specs(sess, flavor["id"])
extraContent = extraResp.json()
if extraContent["extra_specs"]:
extraSpecs = []
self._convert_extra_specs(extraSpecs, extraContent["extra_specs"], True)
flavor["extraSpecs"] = extraSpecs
VimDriverUtils.replace_key_by_mapping(flavor,
self.keys_mapping)
#add extra keys
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
}
content.update(vim_dict)
return Response(data=content, status=resp.status_code)
except VimDriverNewtonException as e:
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def _get_flavor_extra_specs(self, sess, flavorid):
if flavorid:
logger.debug("Flavors--get_extra_specs::> %s" % flavorid)
# prepare request resource to vim instance
req_resouce = "/flavors/%s/os-extra_specs" % flavorid
resp = sess.get(req_resouce, endpoint_filter=self.service)
return resp
return {}
def _get_flavor(self, sess, request, flavorid=""):
logger.debug("Flavors--get basic")
if sess:
# prepare request resource to vim instance
req_resouce = "/flavors"
if flavorid:
req_resouce += "/%s" % flavorid
else:
req_resouce += "/detail"
query = VimDriverUtils.get_query_part(request)
if query:
req_resouce += "?%s" % query
return sess.get(req_resouce, endpoint_filter=self.service)
return {}
def post(self, request, vimid="", tenantid="", flavorid=""):
logger.debug("Flavors--post::> %s" % request.data)
sess = None
resp = None
resp_body = None
try:
# prepare request resource to vim instance
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
#check if the flavor is already created: name or id
tmpresp = self._get_flavor(sess, request)
content = tmpresp.json()
#iterate each flavor to get extra_specs
existed = False
for flavor in content["flavors"]:
if flavor["name"] == request.data["name"]:
existed = True
break
elif hasattr(request.data, "id") and flavor["id"] == request.data["id"]:
existed = True
break
if existed:
extraResp = self._get_flavor_extra_specs(sess, flavor["id"])
extraContent = extraResp.json()
if extraContent["extra_specs"]:
extraSpecs = []
self._convert_extra_specs(extraSpecs, extraContent["extra_specs"], True)
flavor["extraSpecs"] = extraSpecs
VimDriverUtils.replace_key_by_mapping(flavor,
self.keys_mapping)
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
"returnCode": 0,
}
flavor.update(vim_dict)
return Response(data=flavor, status=tmpresp.status_code)
extraSpecs = request.data.pop("extraSpecs", None)
#create flavor first
resp = self._create_flavor(sess, request)
if resp.status_code == 202:
resp_body = resp.json()["flavor"]
else:
return resp
flavorid = resp_body['id']
if extraSpecs:
extra_specs={}
self._convert_extra_specs(extraSpecs, extra_specs, False)
# logger.debug("extraSpecs:%s" % extraSpecs)
# logger.debug("extra_specs:%s" % extra_specs)
extraResp = self._create_flavor_extra_specs(sess, extra_specs, flavorid)
if extraResp.status_code == 200:
#combine the response body and return
tmpSpecs = []
tmpRespBody = extraResp.json()
self._convert_extra_specs(tmpSpecs, tmpRespBody['extra_specs'], True)
resp_body.update({"extraSpecs":tmpSpecs})
else:
#rollback
self._delete_flavor(self, request, vimid, tenantid, flavorid)
return extraResp
VimDriverUtils.replace_key_by_mapping(resp_body, self.keys_mapping)
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
"returnCode": 1,
}
resp_body.update(vim_dict)
return Response(data=resp_body, status=resp.status_code)
except VimDriverNewtonException as e:
if sess and resp and resp.status_code == 200:
self._delete_flavor(sess, flavorid)
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
if sess and resp and resp.status_code == 200:
self._delete_flavor(sess, flavorid)
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def _create_flavor(self, sess, request):
logger.debug("Flavors--create::> %s" % request.data)
# prepare request resource to vim instance
req_resouce = "/flavors"
flavor = request.data
VimDriverUtils.replace_key_by_mapping(flavor,
self.keys_mapping, True)
req_body = json.JSONEncoder().encode({"flavor": flavor})
return sess.post(req_resouce, data=req_body,
endpoint_filter=self.service)
def _create_flavor_extra_specs(self, sess, extraspecs, flavorid):
logger.debug("Flavors extra_specs--post::> %s" % extraspecs)
# prepare request resource to vim instance
req_resouce = "/flavors"
if flavorid:
req_resouce += "/%s/os-extra_specs" % flavorid
else:
raise VimDriverNewtonException(message="VIM newton exception",
content="internal bug in creating flavor extra specs",
status_code=500)
req_body = json.JSONEncoder().encode({"extra_specs": extraspecs})
return sess.post(req_resouce, data=req_body,
endpoint_filter=self.service)
def delete(self, request, vimid="", tenantid="", flavorid=""):
logger.debug("Flavors--delete::> %s" % request.data)
try:
# prepare request resource to vim instance
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
#delete extra specs one by one
resp = self._delete_flavor_extra_specs(sess, flavorid)
#delete flavor
resp = self._delete_flavor(sess, flavorid)
#return results
return Response(status=resp.status_code)
except VimDriverNewtonException as e:
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def _delete_flavor_extra_specs(self, sess, flavorid):
logger.debug("Flavors--delete extra::> %s" % flavorid)
#delete extra specs one by one
resp = self._get_flavor_extra_specs(sess, flavorid)
extra_specs = resp.json()
if extra_specs and extra_specs["extra_specs"]:
for k, _ in extra_specs["extra_specs"].items():
# just try to delete extra spec, but do not care if succeeded
self._delete_flavor_one_extra_spec(sess, flavorid, k)
return resp
def _delete_flavor_one_extra_spec(self, sess, flavorid, extra_spec_key):
logger.debug("Flavors--delete 1 extra::> %s" % extra_spec_key)
# prepare request resource to vim instance
try:
req_resouce = "/flavors"
if flavorid and extra_spec_key:
req_resouce += "/%s" % flavorid
req_resouce += "/os-extra_specs/%s" % extra_spec_key
else:
raise VimDriverNewtonException(message="VIM newton exception",
content="internal bug in deleting flavor extra specs: %s" % extra_spec_key,
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR)
return sess.delete(req_resouce, endpoint_filter=self.service)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def _delete_flavor(self, sess, flavorid):
logger.debug("Flavors--delete basic::> %s" % flavorid)
# prepare request resource to vim instance
req_resouce = "/flavors"
if flavorid:
req_resouce += "/%s" % flavorid
else:
raise VimDriverNewtonException(message="VIM newton exception",
content="internal bug in deleting flavor",
status_code=500)
return sess.delete(req_resouce, endpoint_filter=self.service)
|
