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
346
347
348
349
350
|
/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.bpmn.common.scripts
import org.camunda.bpm.engine.runtime.Execution
import org.openecomp.mso.bpmn.core.WorkflowException
import org.openecomp.mso.rest.APIResponse
import org.openecomp.mso.rest.RESTClient;
import org.openecomp.mso.rest.RESTConfig;
public class DeleteAAIVfModule extends AbstractServiceTaskProcessor{
def Prefix="DAAIVfMod_"
ExceptionUtil exceptionUtil = new ExceptionUtil()
private MsoUtils utils = new MsoUtils()
public void initProcessVariables(Execution execution) {
execution.setVariable("prefix",Prefix)
execution.setVariable("DAAIVfMod_vnfId",null)
execution.setVariable("DAAIVfMod_vnfName",null)
execution.setVariable("DAAIVfMod_genVnfRsrcVer",null)
execution.setVariable("DAAIVfMod_vfModuleId",null)
execution.setVariable("DAAIVfMod_vfModRsrcVer",null)
execution.setVariable("DAAIVfMod_genericVnfEndpoint",null)
execution.setVariable("DAAIVfMod_vfModuleEndpoint",null)
execution.setVariable("DAAIVfMod_moduleExists",false)
execution.setVariable("DAAIVfMod_isBaseModule", false)
execution.setVariable("DAAIVfMod_isLastModule", false)
// DeleteAAIVfModule workflow response variable placeholders
execution.setVariable("DAAIVfMod_queryGenericVnfResponseCode",null)
execution.setVariable("DAAIVfMod_queryGenericVnfResponse","")
execution.setVariable("DAAIVfMod_parseModuleResponse","")
execution.setVariable("DAAIVfMod_deleteGenericVnfResponseCode",null)
execution.setVariable("DAAIVfMod_deleteGenericVnfResponse","")
execution.setVariable("DAAIVfMod_deleteVfModuleResponseCode",null)
execution.setVariable("DAAIVfMod_deleteVfModuleResponse","")
}
// parse the incoming DELETE_VF_MODULE request and store the Generic Vnf
// and Vf Module Ids in the flow Execution
public void preProcessRequest(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def xml = execution.getVariable("DeleteAAIVfModuleRequest")
utils.logAudit("DeleteAAIVfModule Request: " + xml)
utils.log("DEBUG", "input request xml:" + xml, isDebugEnabled)
initProcessVariables(execution)
def vnfId = utils.getNodeText(xml,"vnf-id")
def vfModuleId = utils.getNodeText(xml,"vf-module-id")
execution.setVariable("DAAIVfMod_vnfId", vnfId)
execution.setVariable("DAAIVfMod_vfModuleId", vfModuleId)
AaiUtil aaiUriUtil = new AaiUtil(this)
def aai_uri = aaiUriUtil.getNetworkGenericVnfUri(execution)
logDebug('AAI URI is: ' + aai_uri, isDebugEnabled)
execution.setVariable("DAAIVfMod_genericVnfEndpoint", "${aai_uri}/" + vnfId)
execution.setVariable("DAAIVfMod_vfModuleEndpoint", "${aai_uri}/" + vnfId +
"/vf-modules/vf-module/" + vfModuleId)
}
// send a GET request to AA&I to retrieve the Generic Vnf/Vf Module information based on a Vnf Id
// expect a 200 response with the information in the response body or a 404 if the Generic Vnf does not exist
public void queryAAIForGenericVnf(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def delModuleId = execution.getVariable("DAAIVfMod_vfModuleId")
def endPoint = execution.getVariable("URN_aai_endpoint") + execution.getVariable("DAAIVfMod_genericVnfEndpoint") + "?depth=1"
utils.logAudit("DeleteAAIVfModule endPoint: " + endPoint)
def aaiRequestId = utils.getRequestID()
RESTConfig config = new RESTConfig(endPoint);
utils.log("DEBUG","queryAAIForGenericVnf() endpoint-" + endPoint, isDebugEnabled)
def responseData = ""
try {
RESTClient client = new RESTClient(config).addHeader("X-TransactionId", aaiRequestId).addHeader("X-FromAppId", "MSO").
addHeader("Accept","application/xml");
String basicAuthCred = utils.getBasicAuth(execution.getVariable("URN_aai_auth"),execution.getVariable("URN_mso_msoKey"))
if (basicAuthCred != null && !"".equals(basicAuthCred)) {
client.addAuthorizationHeader(basicAuthCred)
}
utils.log("DEBUG", "invoking GET call to AAI endpoint :"+System.lineSeparator()+endPoint,isDebugEnabled)
APIResponse response = client.httpGet()
utils.logAudit("DeleteAAIVfModule - invoking httpGet to AAI")
responseData = response.getResponseBodyAsString()
execution.setVariable("DAAIVfMod_queryGenericVnfResponseCode", response.getStatusCode())
execution.setVariable("DAAIVfMod_queryGenericVnfResponse", responseData)
utils.logAudit("AAI Response: " + responseData)
utils.log("DEBUG", "Response code:" + response.getStatusCode(), isDebugEnabled)
utils.log("DEBUG", "Response:" + System.lineSeparator()+responseData,isDebugEnabled)
} catch (Exception ex) {
utils.log("DEBUG", "Exception occurred while executing AAI GET:" + ex.getMessage(),isDebugEnabled)
execution.setVariable("DAAIVfMod_queryGenericVnfResponse", "AAI GET Failed:" + ex.getMessage())
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, "Internal Error - Occured during queryAAIForGenericVnf")
}
}
// construct and send a DELETE request to A&AI to delete a Generic Vnf
// note: to get here, all the modules associated with the Generic Vnf must already be deleted
public void deleteGenericVnf(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def aaiRequestId = utils.getRequestID()
def endPoint = execution.getVariable("URN_aai_endpoint") + execution.getVariable("DAAIVfMod_genericVnfEndpoint") +
"/?resource-version=" + execution.getVariable("DAAIVfMod_genVnfRsrcVer")
utils.logAudit("AAI endPoint: " + endPoint)
RESTConfig config = new RESTConfig(endPoint);
utils.log("DEBUG","deleteGenericVnf() endpoint-" + endPoint, isDebugEnabled)
def responseData = ""
try {
RESTClient client = new RESTClient(config).addHeader("X-TransactionId", aaiRequestId).addHeader("X-FromAppId", "MSO").
addHeader("Accept","application/xml");
String basicAuthCred = utils.getBasicAuth(execution.getVariable("URN_aai_auth"),execution.getVariable("URN_mso_msoKey"))
if (basicAuthCred != null && !"".equals(basicAuthCred)) {
client.addAuthorizationHeader(basicAuthCred)
}
APIResponse response = client.httpDelete()
responseData = response.getResponseBodyAsString()
execution.setVariable("DAAIVfMod_deleteGenericVnfResponseCode", response.getStatusCode())
execution.setVariable("DAAIVfMod_deleteGenericVnfResponse", responseData)
utils.log("DEBUG", "Response code:" + response.getStatusCode(), isDebugEnabled)
utils.log("DEBUG", "Response:" + System.lineSeparator()+responseData,isDebugEnabled)
} catch (Exception ex) {
ex.printStackTrace()
utils.log("DEBUG", "Exception occurred while executing AAI DELETE:" + ex.getMessage(),isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, "Internal Error - Occured during deleteGenericVnf")
}
}
// construct and send a DELETE request to A&AI to delete the Base or Add-on Vf Module
public void deleteVfModule(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def endPoint = execution.getVariable("URN_aai_endpoint") + execution.getVariable("DAAIVfMod_vfModuleEndpoint") +
"/?resource-version=" + execution.getVariable("DAAIVfMod_vfModRsrcVer")
def aaiRequestId = utils.getRequestID()
RESTConfig config = new RESTConfig(endPoint);
utils.log("DEBUG","deleteVfModule() endpoint-" + endPoint, isDebugEnabled)
def responseData = ""
try {
RESTClient client = new RESTClient(config).addHeader("X-TransactionId", aaiRequestId).addHeader("X-FromAppId", "MSO").
addHeader("Accept","application/xml");
String basicAuthCred = utils.getBasicAuth(execution.getVariable("URN_aai_auth"),execution.getVariable("URN_mso_msoKey"))
if (basicAuthCred != null && !"".equals(basicAuthCred)) {
client.addAuthorizationHeader(basicAuthCred)
}
APIResponse response = client.httpDelete()
utils.logAudit("DeleteAAIVfModule - invoking httpDelete to AAI")
responseData = response.getResponseBodyAsString()
execution.setVariable("DAAIVfMod_deleteVfModuleResponseCode", response.getStatusCode())
execution.setVariable("DAAIVfMod_deleteVfModuleResponse", responseData)
utils.logAudit("DeleteAAIVfModule - AAI Response" + responseData)
utils.log("DEBUG", "Response code:" + response.getStatusCode(), isDebugEnabled)
utils.log("DEBUG", "Response:" + System.lineSeparator()+responseData,isDebugEnabled)
} catch (Exception ex) {
ex.printStackTrace()
utils.log("DEBUG", "Exception occurred while executing AAI PUT:" + ex.getMessage(),isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, "Internal Error - Occured during deleteVfModule")
}
}
// parses the output from the result from queryAAIForGenericVnf() to determine if the Vf Module
// to be deleted exists for the specified Generic Vnf and if it is the Base Module,
// there are no Add-on Modules present
public void parseForVfModule(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def xml = execution.getVariable("DAAIVfMod_queryGenericVnfResponse")
utils.logAudit("DeleteAAIVfModule - queryGenericVnfResponse" + xml)
def delModuleId = execution.getVariable("DAAIVfMod_vfModuleId")
utils.log("DEBUG", "Vf Module to be deleted: " + delModuleId, isDebugEnabled)
List <String> qryModuleIdList = utils.getMultNodes(xml, "vf-module-id")
List <String> qryBaseModuleList = utils.getMultNodes(xml, "is-base-vf-module")
List <String> qryResourceVerList = utils.getMultNodes(xml, "resource-version")
execution.setVariable("DAAIVfMod_moduleExists", false)
execution.setVariable("DAAIVfMod_isBaseModule", false)
execution.setVariable("DAAIVfMod_isLastModule", false)
//
def isBaseVfModule = "false"
// loop through the Vf Module Ids looking for a match
if (qryModuleIdList != null && !qryModuleIdList.empty) {
utils.log("DEBUG", "Existing Vf Module Id List: " + qryModuleIdList, isDebugEnabled)
utils.log("DEBUG", "Existing Vf Module Resource Version List: " + qryResourceVerList, isDebugEnabled)
def moduleCntr = 0
// the Generic Vnf resource-version in the 1st entry in the query response
execution.setVariable("DAAIVfMod_genVnfRsrcVer", qryResourceVerList[moduleCntr])
for (String qryModuleId : qryModuleIdList) {
if (delModuleId.equals(qryModuleId)) {
// a Vf Module with the requested Id exists
execution.setVariable("DAAIVfMod_moduleExists", true)
// find the corresponding value for the is-base-vf-module field
isBaseVfModule = qryBaseModuleList[moduleCntr]
// find the corresponding value for the resource-version field
// note: the Generic Vnf entry also has a resource-version field, so
// add 1 to the index to get the corresponding Vf Module value
execution.setVariable("DAAIVfMod_vfModRsrcVer", qryResourceVerList[moduleCntr+1])
utils.log("DEBUG", "Match found for Vf Module Id " + qryModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ", Base Module is " + isBaseVfModule +
", Resource Version is " + execution.getVariable("vfModRsrcVer"), isDebugEnabled)
break
}
moduleCntr++
}
}
// determine if the module to be deleted is a Base Module and/or the Last Module
if (execution.getVariable("DAAIVfMod_moduleExists") == true) {
if (isBaseVfModule.equals("true") && qryModuleIdList.size() != 1) {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Base Module, not Last Module")
execution.setVariable("DAAIVfMod_isBaseModule", true)
} else {
if (isBaseVfModule.equals("true") && qryModuleIdList.size() == 1) {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Base Module and Last Module")
execution.setVariable("DAAIVfMod_isBaseModule", true)
execution.setVariable("DAAIVfMod_isLastModule", true)
} else {
if (qryModuleIdList.size() == 1) {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Not Base Module, is Last Module")
execution.setVariable("DAAIVfMod_isLastModule", true)
} else {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Not Base Module and Not Last Module")
}
}
}
utils.log("DEBUG", execution.getVariable("DAAIVfMod_parseModuleResponse"), isDebugEnabled)
} else { // (execution.getVariable("DAAIVfMod_moduleExists") == false)
utils.log("DEBUG", "Vf Module Id " + delModuleId + " does not exist for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId"), isDebugEnabled)
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Vf Module Id " + delModuleId + " does not exist for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfName"))
}
}
// parses the output from the result from queryAAIForGenericVnf() to determine if the Vf Module
// to be deleted exists for the specified Generic Vnf and if it is the Base Module,
// there are no Add-on Modules present
public void parseForResourceVersion(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def xml = execution.getVariable("DAAIVfMod_queryGenericVnfResponse")
utils.logAudit("DeleteAAIVfModule - queryGenericVnfResponse" + xml)
String resourceVer = utils.getNodeText1(xml, "resource-version")
execution.setVariable("DAAIVfMod_genVnfRsrcVer", resourceVer)
utils.log("DEBUG", "Latest Generic VNF Resource Version: " + resourceVer)
}
// generates a WorkflowException if the A&AI query returns a response code other than 200
public void handleAAIQueryFailure(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
utils.log("ERROR", "Error occurred attempting to query AAI, Response Code " +
execution.getVariable("DAAIVfMod_queryGenericVnfResponseCode") + ", Error Response " +
execution.getVariable("DAAIVfMod_queryGenericVnfResponse"), isDebugEnabled)
def errorCode = 5000
// set the errorCode to distinguish between a A&AI failure
// and the Generic Vnf Id not found
if (execution.getVariable("DAAIVfMod_queryGenericVnfResponseCode") == 404) {
errorCode = 1002
}
exceptionUtil.buildAndThrowWorkflowException(execution, errorCode, execution.getVariable("DAAIVfMod_queryGenericVnfResponse"))
}
// generates a WorkflowException if
// - the A&AI Vf Module DELETE returns a response code other than 200
// - the Vf Module is a Base Module that is not the last Vf Module
// - the Vf Module does not exist for the Generic Vnf
public void handleDeleteVfModuleFailure(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
def errorCode = 2000
def errorResponse = ""
if (execution.getVariable("DAAIVfMod_deleteVfModuleResponseCode") != null &&
execution.getVariable("DAAIVfMod_deleteVfModuleResponseCode") != 200) {
utils.log("DEBUG", "AAI failure deleting a Vf Module: " +
execution.getVariable("DAAIVfMod_deleteVfModuleResponse"), isDebugEnabled)
errorResponse = execution.getVariable("DAAIVfMod_deleteVfModuleResponse")
utils.logAudit("DeleteAAIVfModule - deleteVfModuleResponse" + errorResponse)
errorCode = 5000
} else {
if (execution.getVariable("DAAIVfMod_isBaseModule", true) == true &&
execution.getVariable("DAAIVfMod_isLastModule") == false) {
// attempt to delete a Base Module that is not the last Vf Module
utils.log("DEBUG", execution.getVariable("DAAIVfMod_parseModuleResponse"), isDebugEnabled)
errorResponse = execution.getVariable("DAAIVfMod_parseModuleResponse")
utils.logAudit("DeleteAAIVfModule - parseModuleResponse" + errorResponse)
errorCode = 1002
} else {
// attempt to delete a non-existant Vf Module
if (execution.getVariable("DAAIVfMod_moduleExists") == false) {
utils.log("DEBUG", execution.getVariable("DAAIVfMod_parseModuleResponse"), isDebugEnabled)
errorResponse = execution.getVariable("DAAIVfMod_parseModuleResponse")
utils.logAudit("DeleteAAIVfModule - parseModuleResponse" + errorResponse)
errorCode = 1002
} else {
// if the responses get populated corerctly, we should never get here
errorResponse = "Unknown error occurred during DeleteAAIVfModule flow"
}
}
}
utils.log("ERROR", "Error occurred during DeleteAAIVfModule flow: " + errorResponse, isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, errorCode, errorResponse)
}
// generates a WorkflowException if
// - the A&AI Generic Vnf DELETE returns a response code other than 200
public void handleDeleteGenericVnfFailure(Execution execution) {
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
utils.log("ERROR", "AAI error occurred deleting the Generic Vnf: "
+ execution.getVariable("DAAIVfMod_deleteGenericVnfResponse"), isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, execution.getVariable("DAAIVfMod_deleteGenericVnfResponse"))
}
}
|