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/*-
* ============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.adapter.messaging.dmaap.impl;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.nsa.mr.client.MRBatchingPublisher;
import com.att.nsa.mr.client.MRClientFactory;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang3.StringUtils;
import org.onap.appc.adapter.message.Producer;
import org.onap.appc.configuration.Configuration;
import org.onap.appc.configuration.ConfigurationFactory;
import org.onap.appc.metricservice.MetricRegistry;
import org.onap.appc.metricservice.MetricService;
import org.onap.appc.metricservice.metric.DmaapRequestCounterMetric;
import org.onap.appc.metricservice.metric.Metric;
import org.onap.appc.metricservice.metric.MetricType;
import org.onap.appc.metricservice.policy.PublishingPolicy;
import org.onap.appc.metricservice.publisher.LogPublisher;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;
public class DmaapProducerImpl implements Producer {
private static final EELFLogger LOG = EELFManager.getInstance().getLogger(DmaapProducerImpl.class);
private static final Configuration configuration = ConfigurationFactory.getConfiguration();
private Set<String> topics;
private Properties props = null;
private MetricRegistry metricRegistry;
private boolean useHttps = false;
private boolean isMetricEnabled = false;
private Set<MRBatchingPublisher> clients;
public DmaapProducerImpl(Collection<String> urls, String topicName, String user, String password) {
this(urls, (Set<String>) null, user, password);
this.topics = new HashSet<>();
if (topicName != null) {
Collections.addAll(topics, topicName.split(","));
}
}
public DmaapProducerImpl(Collection<String> urls, Set<String> topicNames, String user, String password) {
topics = topicNames;
if (urls == null) {
throw new IllegalArgumentException("Mandaory argument is null: urls");
}
this.props = new Properties();
String urlsStr = StringUtils.join(urls, ',');
props.setProperty("host", urlsStr);
props.setProperty("id", UUID.randomUUID().toString());
if (user != null && password != null) {
props.setProperty("username", user);
props.setProperty("password", password);
} else {
props.setProperty("TransportType", "HTTPNOAUTH");
}
}
private void initMetric() {
LOG.debug("Metric getting initialized");
MetricService metricService = getMetricservice();
if (metricService != null) {
metricRegistry = metricService.createRegistry("APPC");
DmaapRequestCounterMetric dmaapKpiMetric = metricRegistry.metricBuilderFactory()
.dmaapRequestCounterBuilder().withName("DMAAP_KPI").withType(MetricType.COUNTER)
.withRecievedMessage(0).withPublishedMessage(0).build();
if (metricRegistry.register(dmaapKpiMetric)) {
Metric[] metrics = new Metric[] { dmaapKpiMetric };
LogPublisher logPublisher = new LogPublisher(metricRegistry, metrics);
LogPublisher[] logPublishers = new LogPublisher[1];
logPublishers[0] = logPublisher;
PublishingPolicy manuallyScheduledPublishingPolicy = metricRegistry.policyBuilderFactory()
.scheduledPolicyBuilder().withPublishers(logPublishers).withMetrics(metrics).build();
LOG.debug("Policy getting initialized");
manuallyScheduledPublishingPolicy.init();
LOG.debug("Metric initialized");
}
}
}
private Set<MRBatchingPublisher> getClients() {
Set<MRBatchingPublisher> out = new HashSet<>();
for (String topic : topics) {
try {
String topicProducerPropFileName = DmaapUtil.createProducerPropFile(topic, props);
final MRBatchingPublisher client = MRClientFactory.createBatchingPublisher(topicProducerPropFileName);
out.add(client);
} catch (Exception e) {
LOG.error(e.getMessage(), e);
}
}
return out;
}
@Override
public synchronized void updateCredentials(String key, String secret) {
LOG.info(String.format("Setting auth to %s for %s", key, this.toString()));
props.setProperty("username", String.valueOf(key));
props.setProperty("password", String.valueOf(secret));
clients = null;
}
@Override
public boolean post(String partition, String data) {
LOG.debug("In DmaapProducerImpl.post()");
boolean success = true;
Properties properties = configuration.getProperties();
if (properties != null && properties.getProperty("metric.enabled") != null) {
isMetricEnabled = Boolean.valueOf(properties.getProperty("metric.enabled"));
}
if (isMetricEnabled) {
initMetric();
}
// Create clients once and reuse them on subsequent posts. This is
// to support failover to other servers in the Dmaap cluster.
if ((clients == null) || (clients.isEmpty())) {
LOG.info("Getting CambriaBatchingPublisher Clients ...");
clients = getClients();
}
LOG.debug("In DmaapProducerImpl.post()::: before sending to clients");
for (MRBatchingPublisher client : clients) {
try {
LOG.debug(String.format("Posting %s to %s", data, client));
client.send(partition, data);
} catch (IOException e) {
LOG.error(e.getMessage(), e);
success = false;
}
}
incrementPublishedMessage();
return success;
}
private void incrementPublishedMessage() {
if (isMetricEnabled && metricRegistry != null) {
((DmaapRequestCounterMetric) metricRegistry.metric("DMAAP_KPI")).incrementPublishedMessage();
}
}
/**
* Close producer Dmaap client.
*/
@Override
public void close() {
if ((clients == null) || (clients.isEmpty())) {
return;
}
LOG.debug("Closing Dmaap producer clients....");
for (MRBatchingPublisher client : clients) {
try {
client.close(1, TimeUnit.SECONDS);
} catch (IOException | InterruptedException e) {
LOG.warn(String.format("Failed to cleanly close Dmaap connection for [%s]", client), e);
}
}
}
@Override
public void useHttps(boolean yes) {
useHttps = yes;
}
private MetricService getMetricservice() {
BundleContext bctx = FrameworkUtil.getBundle(MetricService.class).getBundleContext();
ServiceReference sref = bctx.getServiceReference(MetricService.class.getName());
if (sref != null) {
LOG.info("Metric Service from bundlecontext");
return (MetricService) bctx.getService(sref);
} else {
LOG.info("Metric Service error from bundlecontext");
LOG.warn("Cannot find service reference for org.onap.appc.metricservice.MetricService");
return null;
}
}
public Properties getProperties() {
return props;
}
public boolean isHttps() {
return useHttps;
}
}
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