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
|
/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.onap.appc.seqgen.impl;
import org.apache.commons.lang3.StringUtils;
import org.onap.appc.dg.flowbuilder.FlowBuilder;
import org.onap.appc.dg.flowbuilder.impl.FlowBuilderFactory;
import org.onap.appc.dg.flowbuilder.exception.InvalidDependencyModelException;
import org.onap.appc.dg.objects.FlowStrategies;
import org.onap.appc.dg.objects.InventoryModel;
import org.onap.appc.dg.objects.VnfcDependencyModel;
import org.onap.appc.dg.objects.VnfcFlowModel;
import org.onap.appc.domainmodel.Vnfc;
import org.onap.appc.domainmodel.Vserver;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.seqgen.SequenceGenerator;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.onap.appc.seqgen.objects.ActionIdentifier;
import org.onap.appc.seqgen.objects.Constants;
import org.onap.appc.seqgen.objects.Response;
import org.onap.appc.seqgen.objects.SequenceGeneratorInput;
import org.onap.appc.seqgen.objects.Transaction;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import static org.onap.appc.seqgen.objects.Constants.Action;
import static org.onap.appc.seqgen.objects.Constants.ActionLevel;
import static org.onap.appc.seqgen.objects.Constants.ResponseAction;
import static org.onap.appc.seqgen.objects.Constants.ResponseMessage;
import static org.onap.appc.seqgen.objects.Constants.Capabilties;
public class StopSequenceGenerator implements SequenceGenerator {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(StopSequenceGenerator.class);
@Override
public List<Transaction> generateSequence(SequenceGeneratorInput input) throws Exception {
if (input.getRequestInfo().getActionLevel().equals(ActionLevel.VNF.getAction()) && input.getDependencyModel() != null ) {
if(isVnfcPresent(input)) {
FlowStrategies flowStrategy = readFlowStrategy(input);
VnfcFlowModel flowModel = null;
try {
flowModel = buildFlowModel(input.getInventoryModel(), input.getDependencyModel(), flowStrategy);
} catch (InvalidDependencyModelException invalidDependencyModelException) {
logger.error("Error Generating Sequence", invalidDependencyModelException);
throw new APPCException(invalidDependencyModelException.getMessage(), invalidDependencyModelException);
}
logger.debug("Flow Model " + flowModel);
return generateSequenceWithDependencyModel(flowModel, input);
}
else throw new APPCException("Vnfc details missing in the input");
} else {
logger.info("Generating sequence without dependency model");
return generateSequenceWithOutDependency(input);
}
}
private List<Transaction> generateSequenceWithOutDependency(SequenceGeneratorInput input)throws Exception{
String payload = null;
PayloadGenerator payloadGenerator = new PayloadGenerator();
List<Transaction> transactionList = new LinkedList<>();
Integer transactionId = 1;
List<Vserver> vservers = input.getInventoryModel().getVnf().getVservers();
List<Integer> transactionIds = new LinkedList<>();
for (Vserver vm : vservers) {
Transaction transaction = new Transaction();
transaction.setTransactionId(transactionId);
transactionIds.add(transactionId++);
transaction.setAction(Action.STOP.getActionType());
transaction.setActionLevel(ActionLevel.VM.getAction());
ActionIdentifier actionIdentifier = new ActionIdentifier();
actionIdentifier.setvServerId(vm.getId());
transaction.setActionIdentifier(actionIdentifier);
String vmId = vm.getId();
String url = vm.getUrl();
payload = payloadGenerator.getPayload(input, vmId, url);
transaction.setPayload(payload);
if(vservers.size()>1){
Response failureResponse = new Response();
failureResponse.setResponseMessage(ResponseMessage.FAILURE.getResponse());
Map<String,String> failureAction = new HashMap<>();
failureAction.put(ResponseAction.IGNORE.getAction(),Boolean.TRUE.toString());
failureResponse.setResponseAction(failureAction);
transaction.addResponse(failureResponse);
}
transactionList.add(transaction);
}
return transactionList;
}
private List<Transaction> generateSequenceWithDependencyModel(VnfcFlowModel flowModel,SequenceGeneratorInput input){
List<Transaction> transactionList = new LinkedList<>();
Integer transactionId = 1;
List<Integer> transactionIds = new LinkedList<>();
Iterator<List<Vnfc>> itr = flowModel.getModelIterator();
while (itr.hasNext()){
List<Vnfc> vnfcs = itr.next();
for(Vnfc vnfc:vnfcs){
boolean stopApplicationSupported = readApplicationStopCapability(input);
if(stopApplicationSupported && !vnfc.getVserverList().isEmpty()){
Transaction stopAppTransaction = new Transaction();
stopAppTransaction.setTransactionId(transactionId++);
stopAppTransaction.setAction(Action.STOP_APPLICATION.getActionType());
stopAppTransaction.setActionLevel(ActionLevel.VNFC.getAction());
ActionIdentifier stopActionIdentifier = new ActionIdentifier();
stopActionIdentifier .setVnfcName(vnfc.getVnfcName());
stopAppTransaction.setActionIdentifier(stopActionIdentifier );
stopAppTransaction.setPayload(input.getRequestInfo().getPayload());
Response failureResponse = new Response();
failureResponse.setResponseMessage(ResponseMessage.FAILURE.getResponse());
Map<String,String> failureAction = new HashMap<>();
failureAction.put(ResponseAction.IGNORE.getAction(),Boolean.TRUE.toString());
failureResponse.setResponseAction(failureAction);
stopAppTransaction.addResponse(failureResponse);
transactionList.add(stopAppTransaction);
}
List<Vserver> vms = vnfc.getVserverList();
for(Vserver vm:vms){
Transaction transaction = new Transaction();
transaction.setTransactionId(transactionId);
transactionIds.add(transactionId++);
transaction.setAction(Action.STOP.getActionType());
transaction.setActionLevel(ActionLevel.VM.getAction());
ActionIdentifier actionIdentifier = new ActionIdentifier();
actionIdentifier.setvServerId(vm.getId());
transaction.setActionIdentifier(actionIdentifier);
transaction.setPayload(input.getRequestInfo().getPayload());
Response failureResponse = new Response();
failureResponse.setResponseMessage(ResponseMessage.FAILURE.getResponse());
Map<String,String> failureAction = new HashMap<>();
failureAction.put(ResponseAction.IGNORE.getAction(),Boolean.TRUE.toString());
failureResponse.setResponseAction(failureAction);
transaction.addResponse(failureResponse);
transactionList.add(transaction);
}
}
}
return transactionList;
}
private VnfcFlowModel buildFlowModel(InventoryModel inventoryModel, VnfcDependencyModel dependencyModel, FlowStrategies flowStrategy) throws APPCException, InvalidDependencyModelException {
FlowBuilder flowBuilder = FlowBuilderFactory.getInstance().getFlowBuilder(flowStrategy);
if (flowBuilder == null) {
throw new APPCException("Flow Strategy not supported " + flowStrategy);
}
return flowBuilder.buildFlowModel(dependencyModel, inventoryModel);
}
private FlowStrategies readFlowStrategy(SequenceGeneratorInput sequenceGeneratorInput) {
Map<String, String> tunableParams = sequenceGeneratorInput.getTunableParams();
FlowStrategies strategy = null;
String strategyStr = null;
if (tunableParams != null) {
strategyStr = tunableParams.get(Constants.STRATEGY);
strategy = FlowStrategies.findByString(strategyStr);
}
if (strategy == null)
strategy= FlowStrategies.REVERSE;
return strategy;
}
private boolean isVnfcPresent(SequenceGeneratorInput input){
boolean vnfcPresent=true;
List<Vserver> vservers = input.getInventoryModel().getVnf().getVservers();
for (Vserver vm : vservers) {
if(!(vm.getVnfc()!=null&& vm.getVnfc().getVnfcType()!=null&& vm.getVnfc().getVnfcName()!=null)){
vnfcPresent=false;break;
}
}
return vnfcPresent;
}
private boolean readApplicationStopCapability(SequenceGeneratorInput input) {
Map<String,List<String>> capability = input.getCapability();
if(capability!= null){
List<String> vnfcCapabilities = capability.get(Constants.CapabilityLevel.VNFC.getLevel());
if(vnfcCapabilities!=null)
return vnfcCapabilities.stream().anyMatch(p -> Capabilties.STOP_APPLICATION.getCapability().equalsIgnoreCase(p));
}
return false;
}
}
|
