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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.clean;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.config.CleanComponentsConfiguration;
import org.openecomp.sdc.be.config.Configuration;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.common.config.EcompErrorName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component("asdcComponentsCleaner")
public class AsdcComponentsCleanerTask implements Runnable {
private static Logger log = LoggerFactory.getLogger(AsdcComponentsCleanerTask.class.getName());
@javax.annotation.Resource
private ComponentsCleanBusinessLogic componentsCleanBusinessLogic = null;
private List<NodeTypeEnum> componentsToClean;
private long cleaningIntervalInMinutes;
private ScheduledExecutorService scheduledService = Executors.newScheduledThreadPool(1, new BasicThreadFactory.Builder().namingPattern("ComponentsCleanThread-%d").build());
ScheduledFuture<?> scheduledFuture = null;
@PostConstruct
public void init() {
log.trace("Enter init method of AsdcComponentsCleaner");
Configuration configuration = ConfigurationManager.getConfigurationManager().getConfiguration();
CleanComponentsConfiguration cleanComponentsConfiguration = configuration.getCleanComponentsConfiguration();
if (cleanComponentsConfiguration == null) {
log.info("ERROR - configuration is not valid!!! missing cleanComponentsConfiguration");
BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeComponentCleanerSystemError, "AsdcComponentsCleanerTask.init()", "AsdcComponentsCleanerTask.init()");
BeEcompErrorManager.getInstance().logBeComponentCleanerSystemError("AsdcComponentsCleanerTask-init", "fecth configuration");
return;
}
componentsToClean = new ArrayList<NodeTypeEnum>();
List<String> components = cleanComponentsConfiguration.getComponentsToClean();
if (components == null) {
log.info("no component were configured for cleaning");
}
for (String component : components) {
NodeTypeEnum typeEnum = NodeTypeEnum.getByNameIgnoreCase(component);
if (typeEnum != null)
componentsToClean.add(typeEnum);
}
long intervalInMinutes = cleanComponentsConfiguration.getCleanIntervalInMinutes();
if (intervalInMinutes < 1) {
log.warn("cleaningIntervalInMinutes value should be greater than or equal to 1 minute. use default");
intervalInMinutes = 60;
}
cleaningIntervalInMinutes = intervalInMinutes;
startTask();
log.trace("End init method of AsdcComponentsCleaner");
}
@PreDestroy
public void destroy() {
this.stopTask();
shutdownExecutor();
}
public void startTask() {
log.debug("start task for cleaning components");
try {
if (scheduledService != null) {
log.debug("Start Cleaning components task. interval {} minutes", cleaningIntervalInMinutes);
scheduledFuture = scheduledService.scheduleAtFixedRate(this, 5, cleaningIntervalInMinutes, TimeUnit.MINUTES);
}
} catch (Exception e) {
log.debug("unexpected error occured", e);
String methodName = new Object() {
}.getClass().getEnclosingMethod().getName();
BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeComponentCleanerSystemError, methodName, e.getMessage());
BeEcompErrorManager.getInstance().logBeComponentCleanerSystemError("AsdcComponentsCleanerTask-startTask", e.getMessage());
}
}
public void stopTask() {
if (scheduledFuture != null) {
boolean result = scheduledFuture.cancel(true);
log.debug("Stop cleaning task. result = {}", result);
String methodName = new Object() {
}.getClass().getEnclosingMethod().getName();
if (false == result) {
BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeComponentCleanerSystemError, methodName, "try to stop the polling task");
BeEcompErrorManager.getInstance().logBeComponentCleanerSystemError("AsdcComponentsCleanerTask-stopTask", "try to stop the polling task");
}
scheduledFuture = null;
}
}
private void shutdownExecutor() {
if (scheduledService == null)
return;
scheduledService.shutdown(); // Disable new tasks from being submitted
try {
// Wait a while for existing tasks to terminate
if (!scheduledService.awaitTermination(60, TimeUnit.SECONDS)) {
scheduledService.shutdownNow(); // Cancel currently executing
// tasks
// Wait a while for tasks to respond to being cancelled
if (!scheduledService.awaitTermination(60, TimeUnit.SECONDS))
log.debug("Pool did not terminate");
}
} catch (InterruptedException ie) {
// (Re-)Cancel if current thread also interrupted
scheduledService.shutdownNow();
// Preserve interrupt status
Thread.currentThread().interrupt();
}
}
@Override
public void run() {
try {
componentsCleanBusinessLogic.cleanComponents(componentsToClean);
} catch (Exception e) {
log.error("unexpected error occured", e);
String methodName = new Object() {
}.getClass().getEnclosingMethod().getName();
BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeComponentCleanerSystemError, methodName, e.getMessage());
BeEcompErrorManager.getInstance().logBeComponentCleanerSystemError("AsdcComponentsCleanerTask-run", e.getMessage());
}
}
}
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