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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package com.att.nsa.apiServer.metrics.cambria;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.json.JSONException;
import org.json.JSONObject;
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.nsa.cambria.constants.CambriaConstants;
import com.att.nsa.cambria.metrics.publisher.CambriaPublisher;
import com.att.nsa.cambria.metrics.publisher.DMaaPCambriaClientFactory;
import com.att.nsa.drumlin.till.nv.rrNvReadable;
import com.att.nsa.metrics.CdmMetricsRegistry;
import com.att.nsa.metrics.impl.CdmConstant;
/**
* MetricsSender will send the given metrics registry content as an event on the
* Cambria event broker to the given topic.
*
* @author author
*
*/
public class DMaaPMetricsSender implements Runnable {
public static final String kSetting_CambriaEnabled = "metrics.send.cambria.enabled";
public static final String kSetting_CambriaBaseUrl = "metrics.send.cambria.baseUrl";
public static final String kSetting_CambriaTopic = "metrics.send.cambria.topic";
public static final String kSetting_CambriaSendFreqSecs = "metrics.send.cambria.sendEverySeconds";
/**
* Schedule a periodic send of the given metrics registry using the given
* settings container for the Cambria location, topic, and send frequency.
* <br/>
* <br/>
* If the enabled flag is false, this method returns null.
*
* @param scheduler
* @param metrics
* @param settings
* @param defaultTopic
* @return a handle to the scheduled task
*/
public static ScheduledFuture<?> sendPeriodically(ScheduledExecutorService scheduler, CdmMetricsRegistry metrics,
String defaultTopic) {
log.info("Inside : DMaaPMetricsSender : sendPeriodically");
String cambriaSetting= com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,kSetting_CambriaEnabled);
boolean setEnable=true;
if (cambriaSetting!=null && cambriaSetting.equals("false") )
setEnable= false;
if (setEnable) {
String Setting_CambriaBaseUrl=com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,kSetting_CambriaEnabled);
Setting_CambriaBaseUrl=Setting_CambriaBaseUrl==null?"localhost":Setting_CambriaBaseUrl;
String Setting_CambriaTopic=com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,kSetting_CambriaTopic);
if(Setting_CambriaTopic==null) Setting_CambriaTopic = "msgrtr.apinode.metrics.dmaap";
// Setting_CambriaBaseUrl=Setting_CambriaBaseUrl==null?defaultTopic:Setting_CambriaBaseUrl;
String Setting_CambriaSendFreqSecs=com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,kSetting_CambriaSendFreqSecs);
int _CambriaSendFreqSecs =30;
if(Setting_CambriaSendFreqSecs!=null){
_CambriaSendFreqSecs = Integer.parseInt(Setting_CambriaSendFreqSecs);
}
return DMaaPMetricsSender.sendPeriodically(scheduler, metrics,
Setting_CambriaBaseUrl,Setting_CambriaTopic,_CambriaSendFreqSecs
);
/*return DMaaPMetricsSender.sendPeriodically(scheduler, metrics,
settings.getString(kSetting_CambriaBaseUrl, "localhost"),
settings.getString(kSetting_CambriaTopic, defaultTopic),
settings.getInt(kSetting_CambriaSendFreqSecs, 30));*/
} else {
return null;
}
}
/**
* Schedule a periodic send of the metrics registry to the given Cambria
* broker and topic.
*
* @param scheduler
* @param metrics
* the registry to send
* @param cambriaBaseUrl
* the base URL for Cambria
* @param topic
* the topic to publish on
* @param everySeconds
* how frequently to publish
* @return a handle to the scheduled task
*/
public static ScheduledFuture<?> sendPeriodically(ScheduledExecutorService scheduler, CdmMetricsRegistry metrics,
String cambriaBaseUrl, String topic, int everySeconds) {
return scheduler.scheduleAtFixedRate(new DMaaPMetricsSender(metrics, cambriaBaseUrl, topic), everySeconds,
everySeconds, TimeUnit.SECONDS);
}
/**
* Create a metrics sender.
*
* @param metrics
* @param cambriaBaseUrl
* @param topic
*/
public DMaaPMetricsSender(CdmMetricsRegistry metrics, String cambriaBaseUrl, String topic) {
try {
fMetrics = metrics;
fHostname = InetAddress.getLocalHost().getHostName();
// setup a "simple" publisher that will send metrics immediately
fCambria = DMaaPCambriaClientFactory.createSimplePublisher(cambriaBaseUrl, topic);
} catch (UnknownHostException e) {
log.warn("Unable to get localhost address in MetricsSender constructor.", e);
throw new IllegalArgumentException(e);
}
}
/**
* Send on demand.
*/
public void send() {
try {
final JSONObject o = fMetrics.toJson();
o.put("hostname", fHostname);
o.put("now", System.currentTimeMillis());
o.put("metricsSendTime", addTimeStamp());
o.put("transactionEnabled", false);
fCambria.send(fHostname, o.toString());
} catch (JSONException e) {
log.error("Error posting metrics to Cambria at send(): " + e);
} catch (IOException e) {
log.error("Error posting metrics to Cambria at send(): " + e );
}
}
/**
* Run() calls send(). It's meant for use in a background-scheduled task.
*/
@Override
public void run() {
send();
}
private final CdmMetricsRegistry fMetrics;
private final CambriaPublisher fCambria;
private final String fHostname;
//private static final Logger log = LoggerFactory.getLogger(MetricsSender.class);
private static final EELFLogger log = EELFManager.getInstance().getLogger(MetricsSender.class);
/**
* method creates and returnd CdmConstant object using current timestamp
*
* @return
*/
public CdmConstant addTimeStamp() {
// Add the timestamp with every metrics send
final long metricsSendTime = System.currentTimeMillis();
final Date d = new Date(metricsSendTime);
final String text = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(d);
return new CdmConstant(metricsSendTime / 1000, "Metrics Send Time (epoch); " + text);
}
}
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