ECOMP-PDP-REST/src/main/java/org/openecomp/policy/pdp/rest/notifications/ManualNotificationUpdateThread.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP-PDP-REST
   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.openecomp.policy.pdp.rest.notifications;
  22
  23 import java.io.IOException;
  24 import java.net.MalformedURLException;
  25 import java.net.URL;
  26 import java.security.GeneralSecurityException;
  27 import java.util.ArrayList;
  28 import java.util.LinkedList;
  29 import java.util.List;
  30 import java.util.UUID;
  31
  32 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
  33 import org.openecomp.policy.common.logging.flexlogger.Logger;
  34 import org.openecomp.policy.rest.XACMLRestProperties;
  35 import org.openecomp.policy.utils.BusConsumer;
  36 import org.openecomp.policy.utils.BusPublisher;
  37 import org.openecomp.policy.xacml.api.XACMLErrorConstants;
  38
  39 import com.att.nsa.cambria.client.CambriaClientFactory;
  40 import com.att.nsa.cambria.client.CambriaConsumer;
  41 import com.att.nsa.cambria.client.CambriaPublisher;
  42 import com.att.research.xacml.util.XACMLProperties;
  43
  44 public class ManualNotificationUpdateThread implements Runnable {
  45
  46         private static final Logger LOGGER      = FlexLogger.getLogger(ManualNotificationUpdateThread.class);
  47
  48         private static String topic = null;
  49         private static CambriaConsumer CConsumer = null;
  50         private static String clusterList = null;
  51         private static String update = null;
  52         private static BusConsumer dmaapConsumer = null;
  53         private static List<String> dmaapList = null;
  54         private static String propNotificationType = null;
  55         private static String aafLogin = null;
  56         private static String aafPassword = null;
  57
  58         public volatile boolean isRunning = false;
  59
  60         public synchronized boolean isRunning() {
  61                 return this.isRunning;
  62         }
  63
  64         public synchronized void terminate() {
  65                 this.isRunning = false;
  66         }
  67
  68         /**
  69          *
  70          * This is our thread that runs on startup if the system is configured to UEB to accept manual update requests
  71          *
  72          */
  73         @Override
  74         public void run() {
  75                 synchronized(this) {
  76                         this.isRunning = true;
  77                 }
  78
  79                 URL aURL = null;
  80                 String group =  UUID.randomUUID ().toString ();
  81                 String id = "0";
  82                 String returnTopic = null;
  83                 propNotificationType = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_TYPE);
  84                 if ("ueb".equals(propNotificationType)){
  85                         try {
  86                                 clusterList = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_SERVERS).trim();
  87                                 String url = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_ID);
  88                                 aURL = new URL(url);
  89                                 topic = aURL.getHost() + aURL.getPort();
  90                         } catch (NumberFormatException e) {
  91                                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Unable to get UEB cluster list or pdp url: ", e);
  92                                 this.isRunning = false;
  93                         } catch (MalformedURLException e) {
  94                                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Error in processing URL to create topic for Notification ", e);
  95                         }
  96
  97                         String consumerTopic = aURL.getHost() + aURL.getPort() + "UpdateRequest";
  98                         SendMessage(consumerTopic, "Starting-Topic");
  99                         final LinkedList<String> urlList = new LinkedList<String> ();
 100                         for ( String u : clusterList.split ( "," ) ){
 101                                 urlList.add ( u );
 102                         }
 103
 104                         try {
 105                                 CConsumer = CambriaClientFactory.createConsumer ( null, urlList, consumerTopic , group, id, 20*1000, 1000 );
 106                         } catch (MalformedURLException | GeneralSecurityException e1) {
 107                                 LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create UEB Consumer: ", e1);
 108                         }
 109
 110                         while (this.isRunning()) {
 111                                 LOGGER.debug("While loop test _ take out ");
 112                                 try {
 113                                         for ( String msg : CConsumer.fetch () ){
 114                                                 LOGGER.debug("Manual Notification Recieved Message " + msg + " from UEB cluster : ");
 115                                                 returnTopic = processMessage(msg);
 116                                                 if(returnTopic != null){
 117                                                         SendMessage(returnTopic, update);
 118                                                 }
 119                                         }
 120                                 } catch (IOException e) {
 121                                         LOGGER.debug(XACMLErrorConstants.ERROR_DATA_ISSUE + "Error in processing UEB message");
 122                                 }
 123                         }
 124                         LOGGER.debug("Stopping UEB Consumer loop will no longer fetch messages from the cluster");
 125                 } else if ("dmaap".equals(propNotificationType)) {
 126                         String dmaapServers = null;
 127                         try {
 128                                 dmaapServers = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_SERVERS);
 129                                 topic = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_TOPIC);
 130                                 aafLogin = XACMLProperties.getProperty("DMAAP_AAF_LOGIN");
 131                                 aafPassword = XACMLProperties.getProperty("DMAAP_AAF_PASSWORD");
 132                         } catch (Exception e) {
 133                                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Unable to get DMaaP servers list:", e);
 134                                 this.isRunning = false;
 135                         }
 136
 137                         if(dmaapServers==null || topic==null){
 138                                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
 139                                 try {
 140                                         throw new Exception(XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
 141                                 } catch (Exception e) {
 142                                         // TODO Auto-generated catch block
 143                                         e.printStackTrace();
 144                                 }
 145                         }
 146
 147                         dmaapServers.trim();
 148                         topic.trim();
 149                         aafLogin.trim();
 150                         aafPassword.trim();
 151
 152                         String consumerTopic = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_TOPIC).trim();
 153                         SendMessage(consumerTopic, "Starting-Topic");
 154                         dmaapList = new ArrayList<String>();
 155                         for ( String u : dmaapServers.split ( "," ) ){
 156                                 dmaapList.add ( u );
 157                         }
 158
 159                         try {
 160
 161                                 dmaapConsumer = new BusConsumer.DmaapConsumerWrapper(dmaapList, consumerTopic, aafLogin, aafPassword, group, id, 20*1000, 1000);
 162                         } catch (Exception e1) {
 163                                 LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create DMaaP Consumer: ", e1);
 164                         }
 165
 166                         while (this.isRunning()) {
 167                                 LOGGER.debug("While loop test _ take out ");
 168                                 try {
 169                                         for ( String msg : dmaapConsumer.fetch () ){
 170                                                 LOGGER.debug("Manual Notification Recieved Message " + msg + " from DMaaP server : ");
 171                                                 returnTopic = processMessage(msg);
 172                                                 if(returnTopic != null){
 173                                                         SendMessage(returnTopic, update);
 174                                                 }
 175                                         }
 176                                 }catch (Exception e) {
 177                                         LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Error in processing DMaaP message: ", e);                          }
 178                         }
 179                         LOGGER.debug("Stopping DMaaP Consumer loop will no longer fetch messages from the servers");
 180                 }
 181         }
 182
 183         private void SendMessage( String topic, String message) {
 184                 CambriaPublisher pub = null;
 185                 BusPublisher publisher = null;
 186                 try {
 187                         if ("ueb".equals(propNotificationType)) {
 188                                 pub = CambriaClientFactory.createSimplePublisher (null, clusterList, topic );
 189                                 pub.send( "pdpReturnMessage", message );
 190                                 LOGGER.debug("Sending Message to UEB topic: " + topic);
 191                                 pub.close();
 192
 193                         } else if ("dmaap".equals(propNotificationType)){
 194                                 publisher = new BusPublisher.DmaapPublisherWrapper(dmaapList,topic,aafLogin,aafPassword);
 195                                 publisher.send( "pdpReturnMessage", message );
 196                                 LOGGER.debug("Sending to Message to DMaaP topic: " + topic);
 197                                 publisher.close();
 198                         }
 199
 200                 } catch (Exception e) {
 201                         LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW+ "Error sending notification update: ", e);
 202                 }
 203
 204                 try {
 205                         pub.send( "pdpReturnMessage", message );
 206                         LOGGER.debug("Sending to Message to tpoic" + topic);
 207                 } catch (IOException e) {
 208                         LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW+ "Error sending notification update");
 209                 }
 210                 pub.close();
 211         }
 212
 213         private String processMessage(String msg) {
 214                 LOGGER.debug("notification message:  " + msg);
 215                 String[] UID = msg.split("=")[1].split("\"");
 216
 217                 String returnTopic = topic + UID[0];
 218                 if(msg.contains("Starting-Topic")){
 219                         return null;
 220                 }
 221                 return returnTopic;
 222         }
 223         public static void setUpdate(String update) {
 224                 ManualNotificationUpdateThread.update = update;
 225         }
 226
 227 }