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/*
* ============LICENSE_START==========================================
* org.onap.music
* ===================================================================
* Copyright (c) 2017 AT&T Intellectual Property
* ===================================================================
* 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.music.eelf.healthcheck;
import java.util.UUID;
import org.onap.music.datastore.PreparedQueryObject;
import org.onap.music.eelf.logging.EELFLoggerDelegate;
import org.onap.music.eelf.logging.format.AppMessages;
import org.onap.music.eelf.logging.format.ErrorSeverity;
import org.onap.music.eelf.logging.format.ErrorTypes;
import org.onap.music.exceptions.MusicLockingException;
import org.onap.music.exceptions.MusicServiceException;
import org.onap.music.lockingservice.MusicLockingService;
import org.onap.music.main.MusicCore;
import org.onap.music.main.MusicUtil;
import org.onap.music.main.ResultType;
import com.datastax.driver.core.ConsistencyLevel;
/**
* @author inam
*
*/
public class MusicHealthCheck {
private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicUtil.class);
private String cassandrHost;
private String zookeeperHost;
public String getCassandraStatus(String consistency) {
logger.info(EELFLoggerDelegate.applicationLogger, "Getting Status for Cassandra");
boolean result = false;
try {
result = getAdminKeySpace(consistency);
} catch(Exception e) {
if(e.getMessage().toLowerCase().contains("unconfigured table healthcheck")) {
logger.error("Error", e);
logger.debug("Creating table....");
boolean ksresult = createKeyspace();
if(ksresult)
try {
result = getAdminKeySpace(consistency);
} catch (MusicServiceException e1) {
// TODO Auto-generated catch block
logger.error("Error", e);
e1.printStackTrace();
}
} else {
logger.error("Error", e);
return "One or more nodes are down or not responding.";
}
}
if (result) {
return "ACTIVE";
} else {
logger.info(EELFLoggerDelegate.applicationLogger, "Cassandra Service is not responding");
return "INACTIVE";
}
}
private Boolean getAdminKeySpace(String consistency) throws MusicServiceException {
PreparedQueryObject pQuery = new PreparedQueryObject();
pQuery.appendQueryString("insert into admin.healthcheck (id) values (?)");
pQuery.addValue(UUID.randomUUID());
ResultType rs = MusicCore.nonKeyRelatedPut(pQuery, consistency);
System.out.println(rs);
if (rs != null) {
return Boolean.TRUE;
} else {
return Boolean.FALSE;
}
}
private boolean createKeyspace() {
PreparedQueryObject pQuery = new PreparedQueryObject();
pQuery.appendQueryString("CREATE TABLE admin.healthcheck (id uuid PRIMARY KEY)");
ResultType rs = null ;
try {
rs = MusicCore.nonKeyRelatedPut(pQuery, ConsistencyLevel.ONE.toString());
} catch (MusicServiceException e) {
// TODO Auto-generated catch block
e.printStackTrace();
logger.error("Error", e);
}
if(rs != null && rs.getResult().toLowerCase().contains("success"))
return true;
else
return false;
}
public String getZookeeperStatus() {
String host = MusicUtil.getMyZkHost();
logger.info(EELFLoggerDelegate.applicationLogger, "Getting Status for Zookeeper Host: " + host);
try {
MusicLockingService lockingService = MusicCore.getLockingServiceHandle();
// additionally need to call the ZK to create,aquire and delete lock
} catch (MusicLockingException e) {
logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(), AppMessages.LOCKINGERROR,
ErrorTypes.CONNECTIONERROR, ErrorSeverity.CRITICAL);
return "INACTIVE";
}
logger.info(EELFLoggerDelegate.applicationLogger, "Zookeeper is Active and Running");
return "ACTIVE";
}
public String getCassandrHost() {
return cassandrHost;
}
public void setCassandrHost(String cassandrHost) {
this.cassandrHost = cassandrHost;
}
public String getZookeeperHost() {
return zookeeperHost;
}
public void setZookeeperHost(String zookeeperHost) {
this.zookeeperHost = zookeeperHost;
}
}
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