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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.openecomp.sdc.be.components.scheduledtasks;
import com.google.common.annotations.VisibleForTesting;
import fj.data.Either;
import org.apache.commons.lang.math.NumberUtils;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.openecomp.sdc.be.components.distribution.engine.EnvironmentsEngine;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.config.DistributionEngineConfiguration;
import org.openecomp.sdc.be.dao.cassandra.CassandraOperationStatus;
import org.openecomp.sdc.be.dao.cassandra.OperationalEnvironmentDao;
import org.openecomp.sdc.be.datatypes.enums.EnvironmentStatusEnum;
import org.openecomp.sdc.be.resources.data.OperationalEnvironmentEntry;
import org.openecomp.sdc.common.datastructure.Wrapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import static org.apache.commons.collections.CollectionUtils.isEmpty;
import static org.openecomp.sdc.common.datastructure.FunctionalInterfaces.convertToFunction;
@Component("recoveryThreadManager")
public class RecoveryThreadManager extends AbstractScheduleTaskRunner {
private static final Logger log = LoggerFactory.getLogger(RecoveryThreadManager.class);
@VisibleForTesting
FixEnvironmentTask task = new FixEnvironmentTask();
@Resource
private OperationalEnvironmentDao operationalEnvironmentDao;
@Autowired
private EnvironmentsEngine environmentsEngine;
private ScheduledExecutorService scheduledService = Executors.newScheduledThreadPool(NumberUtils.INTEGER_ONE,
new BasicThreadFactory.Builder().namingPattern("EnvironmentCleanThread-%d").build());
@VisibleForTesting
Integer allowedTimeBeforeStaleSec;
@PostConstruct
public void init() {
log.debug("Enter init method of RecoveryThreadManager");
final DistributionEngineConfiguration distributionEngineConfiguration = ConfigurationManager
.getConfigurationManager().getDistributionEngineConfiguration();
Integer opEnvRecoveryIntervalSec = distributionEngineConfiguration.getOpEnvRecoveryIntervalSec();
scheduledService.scheduleAtFixedRate(task, NumberUtils.INTEGER_ZERO, opEnvRecoveryIntervalSec,
TimeUnit.SECONDS);
this.allowedTimeBeforeStaleSec = distributionEngineConfiguration.getAllowedTimeBeforeStaleSec();
log.debug("End init method of AsdcComponentsCleaner");
}
@PreDestroy
public void destroy() {
shutdownExecutor();
}
protected class FixEnvironmentTask implements Runnable {
@Override
public void run() {
try {
// Failed Envs
Either<List<OperationalEnvironmentEntry>, CassandraOperationStatus> eitherFailedEnv = operationalEnvironmentDao
.getByEnvironmentsStatus(EnvironmentStatusEnum.FAILED);
eitherFailedEnv.bimap(convertToFunction(this::handleFailedeEnvironmentsRecords), convertToFunction(
cassandraError -> logFailedRetrieveRecord(EnvironmentStatusEnum.FAILED, cassandraError)));
// In-Progress Envs
Either<List<OperationalEnvironmentEntry>, CassandraOperationStatus> eitherInProgressEnv = operationalEnvironmentDao
.getByEnvironmentsStatus(EnvironmentStatusEnum.IN_PROGRESS);
eitherInProgressEnv.bimap(convertToFunction(this::handleInProgressEnvironmentsRecords),
convertToFunction(cassandraError -> logFailedRetrieveRecord(EnvironmentStatusEnum.IN_PROGRESS,
cassandraError)));
// Envs To Connect to UEB topics
Either<List<OperationalEnvironmentEntry>, CassandraOperationStatus> eitherCompleteEnv = operationalEnvironmentDao
.getByEnvironmentsStatus(EnvironmentStatusEnum.COMPLETED);
eitherCompleteEnv.bimap(convertToFunction(this::handleCompleteEnvironmentsRecords), convertToFunction(
cassandraError -> logFailedRetrieveRecord(EnvironmentStatusEnum.COMPLETED, cassandraError)));
} catch (Exception e) {
log.debug("error while handling operational environments to be fixed :{}", e.getMessage(), e);
}
}
private void handleCompleteEnvironmentsRecords(List<OperationalEnvironmentEntry> completeEnvironmentsRecords) {
if (!isEmpty(completeEnvironmentsRecords)) {
completeEnvironmentsRecords.stream().filter(env -> !environmentsEngine.isInMap(env))
.forEach(opEnvEntry -> {
environmentsEngine.createUebTopicsForEnvironment(opEnvEntry);
environmentsEngine.addToMap(opEnvEntry);
});
}
}
private void handleFailedeEnvironmentsRecords(List<OperationalEnvironmentEntry> failedEnvironmentsRecords) {
if (!isEmpty(failedEnvironmentsRecords)) {
failedEnvironmentsRecords.parallelStream()
.forEach(env -> environmentsEngine.buildOpEnv(new Wrapper<>(), env));
}
}
private void handleInProgressEnvironmentsRecords(List<OperationalEnvironmentEntry> inProgressEnvList) {
if (!isEmpty(inProgressEnvList)) {
long currentTimeMillis = System.currentTimeMillis();
if (!isEmpty(inProgressEnvList)) {
List<OperationalEnvironmentEntry> staleInProgressEnvList = inProgressEnvList.stream()
.filter(record -> (record.getLastModified().getTime() + (allowedTimeBeforeStaleSec * 1000)) < currentTimeMillis)
.collect(Collectors.toList());
staleInProgressEnvList.parallelStream()
.forEach(env -> environmentsEngine.buildOpEnv(new Wrapper<>(), env));
}
}
}
private void logFailedRetrieveRecord(EnvironmentStatusEnum recordStatus, CassandraOperationStatus error) {
log.debug("error: {} while retrieving operational environments with status: {}", error, recordStatus);
}
}
@Override
public ExecutorService getExecutorService() {
return scheduledService;
}
}
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