5c2c8a3494dc7e291d1e7cb49830ad6b943430a8
[dmaap/dbcapi.git] / src / main / java / org / onap / dmaap / dbcapi / service / DmaapService.java
1 /*-
2  * ============LICENSE_START=======================================================
3  * org.onap.dmaap
4  * ================================================================================
5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6  * ================================================================================
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  * 
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  * 
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  * ============LICENSE_END=========================================================
19  */
20
21 package org.onap.dmaap.dbcapi.service;
22
23 import java.util.ArrayList;
24
25
26
27
28
29
30
31
32
33
34 import org.onap.dmaap.dbcapi.aaf.AafService;
35 import org.onap.dmaap.dbcapi.aaf.DmaapGrant;
36 import org.onap.dmaap.dbcapi.aaf.DmaapPerm;
37 import org.onap.dmaap.dbcapi.aaf.AafService.ServiceType;
38 import org.onap.dmaap.dbcapi.authentication.ApiPerms;
39 import org.onap.dmaap.dbcapi.authentication.ApiPolicy;
40 import org.onap.dmaap.dbcapi.database.DatabaseClass;
41 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
42 import org.onap.dmaap.dbcapi.logging.DmaapbcLogMessageEnum;
43 import org.onap.dmaap.dbcapi.model.ApiError;
44 import org.onap.dmaap.dbcapi.model.Dmaap;
45 import org.onap.dmaap.dbcapi.model.MR_Client;
46 import org.onap.dmaap.dbcapi.model.ReplicationType;
47 import org.onap.dmaap.dbcapi.model.Topic;
48 import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
49 import org.onap.dmaap.dbcapi.util.DmaapConfig;
50 import org.onap.dmaap.dbcapi.util.Singleton;
51
52 public class DmaapService  extends BaseLoggingClass  {
53
54         
55         private Singleton<Dmaap> dmaapholder = DatabaseClass.getDmaap();
56         private static String noEnvironmentPrefix;
57         
58         
59         String topicFactory; // = "org.openecomp.dcae.dmaap.topicFactory";
60         String topicMgrRole; // = "org.openecomp.dmaapBC.TopicMgr";
61         String dcaeTopicNs; // = "org.openecomp.dcae.dmaap";
62         private boolean multiSite;
63         
64         
65         public DmaapService() {
66                 DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
67                 topicFactory = p.getProperty("MR.TopicFactoryNS", "MR.topicFactoryNS.not.set");
68                 topicMgrRole = p.getProperty("MR.TopicMgrRole", "MR.TopicMgrRole.not.set" );
69                 dcaeTopicNs = dmaapholder.get().getTopicNsRoot();
70                 multiSite = "true".equalsIgnoreCase(p.getProperty("MR.multisite", "true"));
71                 noEnvironmentPrefix = p.getProperty( "AAF.NoEnvironmentPrefix", "org.onap");
72                 
73                 logger.info( "DmaapService settings: " + 
74                                 " topicFactory=" + topicFactory +
75                                 " topicMgrRole=" + topicMgrRole +
76                                 " dcaeTopicNs=" + dcaeTopicNs +
77                                 " multisite=" + multiSite +
78                                 " noEnvironmentPrefix=" + noEnvironmentPrefix
79                                 );
80                 
81         }
82         
83         public Dmaap getDmaap() {
84                 logger.info( "entering getDmaap()" );
85                 return(dmaapholder.get());
86         }
87         
88         public Dmaap addDmaap( Dmaap nd ) {
89                 
90                 logger.info( "entering addDmaap()" );
91                 Dmaap dmaap = dmaapholder.get();
92                 if ( dmaap.getVersion().equals( "0")) {
93
94                         nd.setLastMod();
95                         dmaapholder.update(nd);
96
97                         AafService aaf = new AafService( ServiceType.AAF_Admin);
98                         ApiPolicy apiPolicy = new ApiPolicy();
99                         if ( apiPolicy.getUseAuthClass() ) {
100                                 ApiPerms p = new ApiPerms();
101                                 p.setEnvMap();
102                         }
103                         boolean anythingWrong = false;
104                         
105                         if ( multiSite ) {
106                                 anythingWrong = setTopicMgtPerms(  nd,  aaf ) || createMmaTopic();
107                         }
108                                         
109                         if ( anythingWrong ) {
110                                 dmaap.setStatus(DmaapObject_Status.INVALID); 
111                         }
112                         else {
113                                 dmaap.setStatus(DmaapObject_Status.VALID);  
114                         }
115                         dmaap.setLastMod();
116                         dmaapholder.update(dmaap);
117
118                         return dmaap;
119                 
120                 }
121                 else { 
122                         return dmaap;
123                 }
124         }
125         
126         public Dmaap updateDmaap( Dmaap nd ) {
127                 logger.info( "entering updateDmaap()" );
128                 
129                 boolean anythingWrong = false;
130
131                 Dmaap dmaap = dmaapholder.get();
132                 
133                 // some triggers for when we attempt to reprovision perms and MMA topic:
134                 // - if the DMaaP Name changes
135                 // - if the version is 0  (this is a handy test to force this processing by updating the DB)
136                 // - if the object is invalid, reprocessing might fix it.
137                 if ( ! dmaap.isStatusValid()  || ! nd.getDmaapName().equals(dmaap.getDmaapName()) || dmaap.getVersion().equals( "0") ) {
138                         nd.setLastMod();
139                         dmaapholder.update(nd);  //need to set this so the following perms will pick up any new vals.
140                         dcaeTopicNs = dmaapholder.get().getTopicNsRoot();
141                         ApiPolicy apiPolicy = new ApiPolicy();
142                         if ( apiPolicy.getUseAuthClass()) {
143                                 ApiPerms p = new ApiPerms();
144                                 p.setEnvMap();
145                         }
146                         AafService aaf = new AafService( ServiceType.AAF_Admin);
147                         if ( multiSite ) {
148                                 anythingWrong = setTopicMgtPerms(  nd,  aaf ) || createMmaTopic();
149                         }
150                 }
151                                         
152                 if ( anythingWrong ) {
153                         nd.setStatus(DmaapObject_Status.INVALID); 
154                 }
155                 else {
156                         nd.setStatus(DmaapObject_Status.VALID);  
157                 }
158                 nd.setLastMod();
159                 dmaapholder.update(nd);  // may need to update status...
160                 return(dmaapholder.get());
161                 
162         }
163         
164         public String getTopicPerm(){
165                 Dmaap dmaap = dmaapholder.get();
166                 return getTopicPerm( dmaap.getDmaapName() );
167         }
168         public String getTopicPerm( String val ) {
169                 Dmaap dmaap = dmaapholder.get();
170                 String nsRoot = dmaap.getTopicNsRoot();
171                 String t;
172                 // in ONAP Casablanca, we assume no distinction of environments reflected in topic namespace
173                 if ( nsRoot.startsWith(noEnvironmentPrefix) ) {
174                         t = nsRoot +  ".mr.topic";
175                 } else {
176                         t = nsRoot + "." + val + ".mr.topic";
177                 }
178                 return t;
179         }
180         
181         public String getBridgeAdminFqtn(){
182                 Dmaap dmaap = dmaapholder.get();
183                 String topic = dmaap.getBridgeAdminTopic();
184                 
185                 // check if this is already an fqtn (contains a dot)
186                 // otherwise build it
187                 if ( topic.indexOf('.') < 0 ) {
188                         topic = dmaap.getTopicNsRoot() + "." + dmaap.getDmaapName() + "." + dmaap.getBridgeAdminTopic();
189                 }
190                 return( topic );
191         }
192
193         private boolean setTopicMgtPerms( Dmaap nd, AafService aaf ){
194                 String[] actions = { "create", "destroy" };
195                 String instance = ":" + dcaeTopicNs + "." + nd.getDmaapName() + ".mr.topic:" + dcaeTopicNs + "." + nd.getDmaapName();
196                 
197                 for( String action : actions ) {
198
199                         DmaapPerm perm = new DmaapPerm( topicFactory, instance, action );
200                 
201                         int rc = aaf.addPerm( perm );
202                         if ( rc != 201 &&  rc != 409 ) {
203                                 logger.error( "unable to add perm for "+ topicFactory + "|" + instance + "|" + action );
204                                 return true;
205                         }
206
207                         DmaapGrant grant = new DmaapGrant( perm, topicMgrRole );
208                         rc = aaf.addGrant( grant );
209                         if ( rc != 201 && rc != 409 ) {
210                                 logger.error( "unable to grant to " + topicMgrRole + " perm for "+ topicFactory + "|" + instance + "|" + action );
211                                 return true;
212                         }
213                 }
214                 
215                 String t = dcaeTopicNs +"." + nd.getDmaapName() + ".mr.topic";
216                 String[] s = { "view", "pub", "sub" };
217                 actions = s;
218                 instance = "*";
219                 
220                 for( String action : actions ) {
221
222                         DmaapPerm perm = new DmaapPerm( t, instance, action );
223                 
224                         int rc = aaf.addPerm( perm );
225                         if ( rc != 201 &&  rc != 409 ) {
226                                 errorLogger.error( DmaapbcLogMessageEnum.AAF_UNEXPECTED_RESPONSE, Integer.toString(rc), "add perm", t + "|" + instance + "|" + action );
227                                 return true;
228                         }
229
230                         DmaapGrant grant = new DmaapGrant( perm, topicMgrRole );
231                         rc = aaf.addGrant( grant );
232                         if ( rc != 201 && rc != 409 ) {
233                                 errorLogger.error( DmaapbcLogMessageEnum.AAF_UNEXPECTED_RESPONSE, Integer.toString(rc), "grant to " + topicMgrRole + " perm ", topicFactory + "|" + instance + "|" + action );
234                                 return true;
235                         }
236                                 
237                 }
238                 return false;
239         }
240
241         public boolean testCreateMmaTopic() {
242
243                 DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
244                 String unit_test = p.getProperty( "UnitTest", "No" );
245                 if ( unit_test.equals( "Yes" ) ) {
246                         return createMmaTopic();
247                 }
248                 return false;
249         }
250         
251         // create the special topic for MMA provisioning.
252         // return true indicating a problem in topic creation, 
253         // else false means it was ok  (created or previously existed)
254         private boolean createMmaTopic() {
255                 boolean rc = true;
256                 DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
257                 Dmaap dmaap = dmaapholder.get();
258                 
259                 ArrayList<MR_Client> clients = new ArrayList<MR_Client>();
260                 String[] actions = { "pub", "sub", "view" };
261                 String centralMR = new DcaeLocationService().getCentralLocation();
262                 if ( centralMR == null ) {
263                         return rc;
264                 }
265                 logger.info( "Location for " + dmaap.getBridgeAdminTopic() + " is " + centralMR );
266         
267                 // first client is the Role used by Bus Controller to send messages to MMA
268                 String provRole = p.getProperty("MM.ProvRole");
269                 MR_Client nClient = new MR_Client();
270                 nClient.setAction(actions);
271                 nClient.setClientRole(provRole);
272                 nClient.setDcaeLocationName(centralMR);
273                 clients.add( nClient );
274         
275                 // second client is the Role used by MMA to listen to messages from Bus Controller
276                 String agentRole = p.getProperty("MM.AgentRole");
277                 nClient = new MR_Client();
278                 nClient.setAction(actions);
279                 nClient.setClientRole(agentRole);
280                 nClient.setDcaeLocationName(centralMR);
281                 clients.add( nClient );
282         
283                 // initialize Topic
284                 Topic mmaTopic = new Topic().init();
285                 mmaTopic.setTopicName(dmaap.getBridgeAdminTopic());
286                 mmaTopic.setClients(clients);
287                 mmaTopic.setOwner("BusController");
288                 mmaTopic.setTopicDescription("topic reserved for MirrorMaker Administration");
289                 mmaTopic.setTnxEnabled("false");
290                 mmaTopic.setPartitionCount("1");  // a single partition should guarantee message order
291                 
292                 
293                 ApiError err = new ApiError();
294                 TopicService svc = new TopicService();
295                 try {
296                         @SuppressWarnings("unused")
297                         Topic nTopic = svc.addTopic(mmaTopic, err, true);
298                         if ( err.is2xx() || err.getCode() == 409 ) {
299                                 return false;
300                         }
301                 } catch ( Exception e) {
302                         errorLogger.error( DmaapbcLogMessageEnum.UNEXPECTED_CONDITION, " while adding Topic: " + e.getMessage());
303                 }
304                 errorLogger.error( DmaapbcLogMessageEnum.TOPIC_CREATE_ERROR,  dmaap.getBridgeAdminTopic(), err.getFields(), err.getFields(), err.getMessage());
305                 
306                 return rc;
307                 
308         }
309 }