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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* 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.aai.dmaap.aaiWorkload.consumer;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.UUID;
import java.util.logging.Level;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.openecomp.aai.logging.AAILogger;
import org.openecomp.aai.logging.ErrorLogHelper;
import org.openecomp.aai.logging.ErrorObject;
import org.openecomp.aai.logging.LogLine;
import org.openecomp.aai.util.AAIConfig;
import org.openecomp.aai.util.AAIConstants;
import com.att.aft.dme2.api.DME2Exception;
import com.att.nsa.mr.client.MRClientFactory;
import com.att.nsa.mr.client.MRConsumer;
public class AAIWorkloadConsumer {
private static String fromAppId = "AAIWorkloadConsumerScheduledTask";
private static String COMPONENT = "DMAAP-AAI-WORKLOAD";
private AAILogger aaiLogger = new AAILogger(AAIWorkloadConsumer.class.getName());
private String preferredRouterFilePath;
private String aaiWorkloadConsumerPropertiesFile;
private String aaiWorkloadStatusPublisherPropertiesFile;
private String aaiWorkloadPublisherPropertiesFile;
private String dmaapPropertyHome = "";
private String dmaapConusmerId = "";
private MRConsumer aaiWorkloadConsumer;
public AAIWorkloadConsumer() throws Exception {
LogLine logline = new LogLine();
logline.init(COMPONENT, "N/A", fromAppId, "AAIWorkloadConsumer");
aaiLogger.debug(logline, "Initalize the AAIWorkloadConsumer");
this.dmaapPropertyHome = AAIConstants.AAI_HOME_ETC_APP_PROPERTIES;
if (this.dmaapPropertyHome == null) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Property AAI_HOME_ETC_APP_PROPERTIES is not set. Stopping AAIWorkloadConsumer.");
aaiLogger.error(errorObject, logline, null);
throw new Exception("Property AAI_HOME_ETC_APP_PROPERTIES is not set. Stopping AAIWorkloadConsumer.");
}
if (System.getProperty("lrmHost") != null && !System.getProperty("lrmHost").isEmpty()) {
this.dmaapConusmerId = System.getProperty("lrmHost");
} else {
this.dmaapConusmerId = UUID.randomUUID().toString();
}
processPropertyFiles();
this.aaiWorkloadConsumer = MRClientFactory.createConsumer(this.aaiWorkloadConsumerPropertiesFile);
aaiLogger.debug(logline, "Initalization completed.");
}
private void processPropertyFiles() throws FileNotFoundException, UnknownHostException, ConfigurationException {
LogLine logline = new LogLine();
logline.init(COMPONENT, "N/A", fromAppId, "processPropertyFiles");
this.preferredRouterFilePath = this.dmaapPropertyHome + "preferredRoute.txt";
this.aaiWorkloadConsumerPropertiesFile = this.dmaapPropertyHome + "aaiWorkloadConsumer.properties";
this.aaiWorkloadPublisherPropertiesFile = this.dmaapPropertyHome + "aaiWorkloadPublisher.properties";
this.aaiWorkloadStatusPublisherPropertiesFile = this.dmaapPropertyHome + "aaiWorkloadStatusPublisher.properties";
aaiLogger.debug(logline, "Preferred router file path: " + this.preferredRouterFilePath);
aaiLogger.debug(logline, "AAI Workload Consumer Properties path: " + this.aaiWorkloadConsumerPropertiesFile);
aaiLogger.debug(logline, "AAI Workload Publisher Properties path: " + this.aaiWorkloadPublisherPropertiesFile);
aaiLogger.debug(logline, "AAI Workload StatusPublisher Properties path: " + this.aaiWorkloadStatusPublisherPropertiesFile);
File fo = new File(this.preferredRouterFilePath);
if (!fo.exists()) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Dmaap Route file " + preferredRouterFilePath + " does not exist.");
aaiLogger.error(errorObject, logline, null);
throw new FileNotFoundException("Dmaap Route file " + preferredRouterFilePath + " does not exist");
}
fo = new File(this.aaiWorkloadConsumerPropertiesFile);
if (!fo.exists()) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Dmaap consumer property file " + aaiWorkloadConsumerPropertiesFile + " does not exist.");
aaiLogger.error(errorObject, logline, null);
throw new FileNotFoundException("Dmaap consumer property file " + aaiWorkloadConsumerPropertiesFile + " does not exist.");
}
fo = new File(this.aaiWorkloadPublisherPropertiesFile);
if (!fo.exists()) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Dmaap publisher property file " + this.aaiWorkloadPublisherPropertiesFile + " does not exist.");
aaiLogger.error(errorObject, logline, null);
throw new FileNotFoundException("Dmaap publisher property file " + this.aaiWorkloadPublisherPropertiesFile + " does not exist.");
}
fo = new File(this.aaiWorkloadStatusPublisherPropertiesFile);
if (!fo.exists()) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000",
"Dmaap publisher property file " + this.aaiWorkloadStatusPublisherPropertiesFile + " does not exist");
aaiLogger.error(errorObject, logline, null);
throw new FileNotFoundException("Dmaap publisher property file " + this.aaiWorkloadStatusPublisherPropertiesFile + " does not exist");
}
modifyProperties();
}
private void modifyProperties() throws ConfigurationException {
LogLine logline = new LogLine();
logline.init(COMPONENT, "N/A", fromAppId, "modifyProperties");
PropertiesConfiguration config = new PropertiesConfiguration(this.aaiWorkloadConsumerPropertiesFile);
if (config.getProperty("id") == null || config.getProperty("id").equals("") || config.getProperty("id").equals("aaiConsumerId")) {
config.setProperty("id", this.dmaapConusmerId);
aaiLogger.debug(logline, "Updated " + this.aaiWorkloadConsumerPropertiesFile + " id property to this.dmaapConusmerId.");
}
config.setProperty("DME2preferredRouterFilePath", this.preferredRouterFilePath);
config.save();
aaiLogger.debug(logline, "Updated " + this.aaiWorkloadConsumerPropertiesFile + " DME2preferredRouterFilePath property to " + this.preferredRouterFilePath);
config = new PropertiesConfiguration(this.aaiWorkloadPublisherPropertiesFile);
config.setProperty("DME2preferredRouterFilePath", this.preferredRouterFilePath);
config.save();
aaiLogger.debug(logline, "Updated " + this.aaiWorkloadPublisherPropertiesFile + " DME2preferredRouterFilePath property to " + this.preferredRouterFilePath);
config = new PropertiesConfiguration(this.aaiWorkloadStatusPublisherPropertiesFile);
config.setProperty("DME2preferredRouterFilePath", this.preferredRouterFilePath);
config.save();
aaiLogger.debug(logline, "Updated " + this.aaiWorkloadStatusPublisherPropertiesFile + " DME2preferredRouterFilePath property to " + this.preferredRouterFilePath);
}
public void startProcessing() throws Exception {
LogLine logline = new LogLine();
logline.init(COMPONENT, "N/A", fromAppId, "startProcessing");
int fetchFailCounter = 0;
AAIWorkloadEventProcessor awep = null;
// com.att.aft.dme2.api.util.configuration.DME2LoggingConfig.getInstance().initializeDME2Logger().setLevel(Level.SEVERE);
while (AAIConfig.get("aai.dmaap.workload.enableEventProcessing").equals("true")) {
try {
if (System.getProperty("org.openecomp.aai.serverStarted") != null && System.getProperty("org.openecomp.aai.serverStarted").equals("true")) {
Iterable<String> eventMessages = aaiWorkloadConsumer.fetch();
for (String eventMessage : eventMessages) {
String transId = UUID.randomUUID().toString();
aaiLogger.debug(logline, "Processing new dmaap message from the aaiWorkload topic." + transId);
aaiLogger.debug(logline, "Processing new dmaap message from the aaiWorkload topic: " + eventMessage);
awep = new AAIWorkloadEventProcessor(this.aaiWorkloadPublisherPropertiesFile, this.aaiWorkloadStatusPublisherPropertiesFile, transId);
awep.process(eventMessage);
}
fetchFailCounter = 0;
}
} catch (DME2Exception e) {
if (e.getErrorCode().equals("AFT-DME2-0999")) {
// do nothing as this is the standard http timeout
} else {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Exiting due to dmaap consumer client throwing dme2 error.");
aaiLogger.error(errorObject, logline, e);
this.aaiWorkloadConsumer.close();
throw e;
}
} catch (IOException e) {
fetchFailCounter++;
if (fetchFailCounter > 10) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Exiting due to fetch throwing io exception. More than 10 times.");
aaiLogger.error(errorObject, logline, e);
this.aaiWorkloadConsumer.close();
throw e;
}
} catch (Exception e) {
ErrorObject errorObject = ErrorLogHelper.getErrorObject("AAI_4000", "Exiting due to unknown exception.");
aaiLogger.error(errorObject, logline, e);
this.aaiWorkloadConsumer.close();
throw e;
}
}
this.aaiWorkloadConsumer.close();
}
}
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