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/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* 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.onap.dmaap.dbcapi.service;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
//import org.openecomp.dmaapbc.aaf.AndrewDecryptor;
import org.onap.dmaap.dbcapi.aaf.AafDecrypt;
import org.onap.dmaap.dbcapi.client.MrTopicConnection;
import org.onap.dmaap.dbcapi.database.DatabaseClass;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
import org.onap.dmaap.dbcapi.logging.DmaapbcLogMessageEnum;
import org.onap.dmaap.dbcapi.model.ApiError;
import org.onap.dmaap.dbcapi.model.MR_Cluster;
import org.onap.dmaap.dbcapi.model.MirrorMaker;
import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
import org.onap.dmaap.dbcapi.util.DmaapConfig;
import org.onap.dmaap.dbcapi.util.RandomInteger;
public class MirrorMakerService extends BaseLoggingClass {
private Map<String, MirrorMaker> mirrors = DatabaseClass.getMirrorMakers();
private static MrTopicConnection prov;
private static AafDecrypt decryptor;
private static String provUser;
private static String provUserPwd;
private static String defaultProducerPort;
private static String defaultConsumerPort;
private static String centralFqdn;
private int maxTopicsPerMM;
public MirrorMakerService() {
super();
decryptor = new AafDecrypt();
DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
provUser = p.getProperty("MM.ProvUserMechId");
provUserPwd = decryptor.decrypt(p.getProperty( "MM.ProvUserPwd", "notSet" ));
defaultProducerPort = p.getProperty( "MR.SourceReplicationPort", "9092");
defaultConsumerPort = p.getProperty( "MR.TargetReplicationPort", "2181");
centralFqdn = p.getProperty("MR.CentralCname", "notSet");
maxTopicsPerMM = Integer.valueOf( p.getProperty( "MaxTopicsPerMM", "5"));
}
// will create a MM on MMagent if needed
// will update the MMagent whitelist with all topics for this MM
public MirrorMaker updateMirrorMaker( MirrorMaker mm ) {
logger.info( "updateMirrorMaker");
prov = new MrTopicConnection( provUser, provUserPwd );
DmaapService dmaap = new DmaapService();
MR_ClusterService clusters = new MR_ClusterService();
// in 1610, MM should only exist for edge-to-central
// we use a cname for the central MR cluster that is active, and provision on agent topic on that target
// but only send 1 message so MM Agents can read it relying on kafka delivery
for( MR_Cluster central: clusters.getCentralClusters() ) {
prov.makeTopicConnection(central, dmaap.getBridgeAdminFqtn(), centralFqdn );
ApiError resp = prov.doPostMessage(mm.createMirrorMaker( defaultConsumerPort, defaultProducerPort ));
if ( ! resp.is2xx() ) {
errorLogger.error( DmaapbcLogMessageEnum.MM_PUBLISH_ERROR, "create MM", Integer.toString(resp.getCode()), resp.getMessage());
mm.setStatus(DmaapObject_Status.INVALID);
} else {
prov.makeTopicConnection(central, dmaap.getBridgeAdminFqtn(), centralFqdn );
resp = prov.doPostMessage(mm.getWhitelistUpdateJSON());
if ( ! resp.is2xx()) {
errorLogger.error( DmaapbcLogMessageEnum.MM_PUBLISH_ERROR,"MR Bridge", Integer.toString(resp.getCode()), resp.getMessage());
mm.setStatus(DmaapObject_Status.INVALID);
} else {
mm.setStatus(DmaapObject_Status.VALID);
}
}
// we only want to send one message even if there are multiple central clusters
break;
}
mm.setLastMod();
return mirrors.put( mm.getMmName(), mm);
}
public MirrorMaker getMirrorMaker( String part1, String part2, int index ) {
String targetPart;
// original mm names did not have any index, so leave off index 0 for
// backwards compatibility
if ( index == 0 ) {
targetPart = part2;
} else {
targetPart = part2 + "_" + index;
}
logger.info( "getMirrorMaker using " + part1 + " and " + targetPart );
return mirrors.get(MirrorMaker.genKey(part1, targetPart));
}
public MirrorMaker getMirrorMaker( String part1, String part2 ) {
logger.info( "getMirrorMaker using " + part1 + " and " + part2 );
return mirrors.get(MirrorMaker.genKey(part1, part2));
}
public MirrorMaker getMirrorMaker( String key ) {
logger.info( "getMirrorMaker using " + key);
return mirrors.get(key);
}
public void delMirrorMaker( MirrorMaker mm ) {
logger.info( "delMirrorMaker");
mirrors.remove(mm.getMmName());
}
// TODO: this should probably return sequential values or get replaced by the MM client API
// but it should be sufficient for initial 1610 development
public static String genTransactionId() {
RandomInteger ri = new RandomInteger(100000);
int randomInt = ri.next();
return Integer.toString(randomInt);
}
public List<String> getAllMirrorMakers() {
List<String> ret = new ArrayList<String>();
for( String key: mirrors.keySet()) {
ret.add( key );
}
return ret;
}
public MirrorMaker getNextMM( String source, String target, String fqtn ) {
int i = 0;
MirrorMaker mm = null;
while( mm == null ) {
mm = this.getMirrorMaker( source, target, i);
if ( mm == null ) {
mm = new MirrorMaker(source, target, i);
}
if ( mm.getTopics().contains(fqtn) ) {
break;
}
if ( mm.getTopicCount() >= maxTopicsPerMM ) {
logger.info( "getNextMM: MM " + mm.getMmName() + " has " + mm.getTopicCount() + " topics. Moving to next MM");
i++;
mm = null;
}
}
return mm;
}
public MirrorMaker splitMM( MirrorMaker orig ) {
String source = orig.getSourceCluster();
String target = orig.getTargetCluster();
ArrayList<String> whitelist = orig.getTopics();
while( whitelist.size() > maxTopicsPerMM ) {
int last = whitelist.size() - 1;
String topic = whitelist.get(last);
whitelist.remove(last);
MirrorMaker mm = this.getNextMM( source, target, topic );
mm.addTopic(topic);
this.updateMirrorMaker(mm);
}
orig.setTopics(whitelist);
return orig;
}
}
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