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/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
*
* Modifications Copyright (C) 2019 IBM.
* ================================================================================
* 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.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.ws.rs.core.Response.Status;
import org.onap.dmaap.dbcapi.client.MrProvConnection;
import org.onap.dmaap.dbcapi.database.DatabaseClass;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
import org.onap.dmaap.dbcapi.model.ApiError;
import org.onap.dmaap.dbcapi.model.DcaeLocation;
import org.onap.dmaap.dbcapi.model.MR_Cluster;
import org.onap.dmaap.dbcapi.model.Topic;
import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
import org.onap.dmaap.dbcapi.service.DcaeLocationService;
import org.onap.dmaap.dbcapi.util.DmaapConfig;
public class MR_ClusterService extends BaseLoggingClass {
private Map<String, MR_Cluster> mr_clusters = DatabaseClass.getMr_clusters();
private boolean multiSite;
public MR_ClusterService() {
logger.info( "new ClusterService");
DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
multiSite = "true".equalsIgnoreCase(p.getProperty("MR.multisite", "true"));
}
public Map<String, MR_Cluster> getMR_Clusters() {
return mr_clusters;
}
public List<MR_Cluster> getAllMr_Clusters() {
return new ArrayList<MR_Cluster>(mr_clusters.values());
}
public MR_Cluster getMr_Cluster( String key, ApiError apiError ) {
MR_Cluster mrc = mr_clusters.get( key );
if ( mrc == null ) {
apiError.setCode(Status.NOT_FOUND.getStatusCode());
apiError.setFields( "dcaeLocationName");
apiError.setMessage( "Cluster with dcaeLocationName " + key + " not found");
}
apiError.setCode(200);
return mrc;
}
public MR_Cluster getMr_ClusterByFQDN( String key ) {
for( MR_Cluster cluster: mr_clusters.values() ) {
if ( key.equals( cluster.getFqdn() ) ) {
return cluster;
}
}
return null;
}
public MR_Cluster getMr_ClusterByLoc( String loc ) {
return mr_clusters.get( loc );
}
public List<MR_Cluster> getCentralClusters() {
DcaeLocationService locations = new DcaeLocationService();
List<MR_Cluster> result = new ArrayList<MR_Cluster>();
for( MR_Cluster c: mr_clusters.values() ) {
try {
if ( locations.getDcaeLocation(c.getDcaeLocationName()).isCentral() ) {
result.add(c);
}
} catch ( NullPointerException npe ) {
logger.warn( "Failed test isCentral for location:" + c.getDcaeLocationName() );
}
}
return result;
}
// builds the set of unique cluster groups
public Set<String> getGroups() {
Set<String> result = new HashSet<String>();
for( MR_Cluster c: mr_clusters.values() ) {
try {
result.add(c.getReplicationGroup());
} catch ( NullPointerException npe ) {
logger.warn( "Failed to add Group for cluster:" + c.getDcaeLocationName() );
}
}
return result;
}
public MR_Cluster addMr_Cluster( MR_Cluster cluster, ApiError apiError ) {
logger.info( "Entry: addMr_Cluster");
MR_Cluster mrc = mr_clusters.get( cluster.getDcaeLocationName() );
if ( mrc != null ) {
apiError.setCode(Status.CONFLICT.getStatusCode());
apiError.setFields( "dcaeLocationName");
apiError.setMessage( "Cluster with dcaeLocationName " + cluster.getDcaeLocationName() + " already exists");
return null;
}
cluster.setLastMod();
cluster.setStatus( addTopicsToCluster( cluster, apiError ) );
mr_clusters.put( cluster.getDcaeLocationName(), cluster );
DcaeLocationService svc = new DcaeLocationService();
DcaeLocation loc = svc.getDcaeLocation( cluster.getDcaeLocationName() );
if ( loc != null && loc.isCentral() && multiSite ) {
ApiError resp = TopicService.setBridgeClientPerms( cluster );
if ( ! resp.is2xx() ) {
logger.error( "Unable to provision Bridge to " + cluster.getDcaeLocationName() );
cluster.setLastMod();
cluster.setStatus(DmaapObject_Status.INVALID);
mr_clusters.put( cluster.getDcaeLocationName(), cluster );
}
}
apiError.setCode(200);
return cluster;
}
public MR_Cluster updateMr_Cluster( MR_Cluster cluster, ApiError apiError ) {
MR_Cluster mrc = mr_clusters.get( cluster.getDcaeLocationName() );
if ( mrc == null ) {
apiError.setCode(Status.NOT_FOUND.getStatusCode());
apiError.setFields( "dcaeLocationName");
apiError.setMessage( "Cluster with dcaeLocationName " + cluster.getDcaeLocationName() + " not found");
return null;
}
cluster.setLastMod();
cluster.setStatus( addTopicsToCluster( cluster, apiError ) );
mr_clusters.put( cluster.getDcaeLocationName(), cluster );
DcaeLocationService svc = new DcaeLocationService();
DcaeLocation loc = svc.getDcaeLocation( cluster.getDcaeLocationName() );
if ( loc == null ) {
logger.error( "DcaeLocation not found for cluster in " + cluster.getDcaeLocationName() );
cluster.setLastMod();
cluster.setStatus(DmaapObject_Status.INVALID);
mr_clusters.put( cluster.getDcaeLocationName(), cluster );
} else if ( loc.isCentral() && multiSite ) {
ApiError resp = TopicService.setBridgeClientPerms( cluster );
if ( ! resp.is2xx() ) {
logger.error( "Unable to provision Bridge to " + cluster.getDcaeLocationName() );
cluster.setLastMod();
cluster.setStatus(DmaapObject_Status.INVALID);
mr_clusters.put( cluster.getDcaeLocationName(), cluster );
}
}
apiError.setCode(200);
return cluster;
}
public MR_Cluster removeMr_Cluster( String key, ApiError apiError ) {
MR_Cluster mrc = mr_clusters.get( key );
if ( mrc == null ) {
apiError.setCode(Status.NOT_FOUND.getStatusCode());
apiError.setFields( "dcaeLocationName");
apiError.setMessage( "Cluster with dcaeLocationName " + key + " not found");
return null;
}
apiError.setCode(200);
return mr_clusters.remove(key);
}
private DmaapObject_Status addTopicsToCluster( MR_Cluster cluster, ApiError err ){
TopicService ts = new TopicService();
MrProvConnection prov = new MrProvConnection();
List<Topic> topics = ts.getAllTopicsWithoutClients();
for( Topic topic: topics ) {
logger.info( "POST topic " + topic.getFqtn() + " to cluster " + cluster.getFqdn() + " in loc " + cluster.getDcaeLocationName());
if ( prov.makeTopicConnection(cluster)) {
String resp = prov.doPostTopic(topic, err);
logger.info( "response code: " + err.getCode() );
if ( ! err.is2xx() && ! (err.getCode() == 409) ) {
return DmaapObject_Status.INVALID;
}
}
}
return DmaapObject_Status.VALID;
}
}
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