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/*******************************************************************************
* Copyright 2016-2017 ZTE, Inc. and others.
*
* 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.
******************************************************************************/
package org.onap.msb.apiroute.wrapper.queue;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.onap.msb.apiroute.SyncDataManager;
import org.onap.msb.apiroute.api.MicroServiceFullInfo;
import org.onap.msb.apiroute.health.RedisHealthCheck;
import org.onap.msb.apiroute.wrapper.MicroServiceWrapper;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.ServiceHealth;
import org.onap.msb.apiroute.wrapper.util.CommonUtil;
import org.onap.msb.apiroute.wrapper.util.ServiceFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ServiceConsumer implements Runnable {
private static final Logger LOGGER = LoggerFactory.getLogger(ServiceConsumer.class);
private boolean isRunning = true;
private int index;
private static final int retryCount=3;
//缓存服务信息：key：服务名 和对应的版本列表Set<String>
private final Map<String, Set<String>> lastVersionResponse = new HashMap<String, Set<String>>();
public ServiceConsumer(final int index) {
this.index = index;
}
public void run() {
LOGGER.info("run Service Consumer Thread [" + index + "]");
while (isRunning) {
try {
ServiceData<List<ServiceHealth>> serviceData;
serviceData = QueueManager.getInstance().takeFromServiceQueue(index);
// LOGGER.info("Service Consumer Thread [" + index +
// "] take out serviceData from Queue successfully");
if (serviceData.getOperate() == ServiceData.Operate.delete) {
// 删除服务
deleteMicroService(serviceData);
} else {
// 更新服务
updateMicroService(serviceData);
}
} catch (InterruptedException e) {
LOGGER.error("ServiceConsumer throw InterruptedException: ", e);
Thread.currentThread().interrupt();
}
}
}
private void deleteMicroService(ServiceData<List<ServiceHealth>> serviceData) {
String serviceName = null;
try {
if (serviceData.getData() == null || serviceData.getData().size() == 0) {
throw new Exception("sysn deleteMicroService is wrong:serviceData is empty");
}
serviceName = serviceData.getData().get(0).getService().getService();
// LOGGER.info("Service Consumer [" + index + "] start to delete MicroService:[serviceName] "
// + serviceName);
//ServiceListCache.removeService(serviceName);
MicroServiceWrapper.getInstance().deleteMicroService4AllVersion(serviceName);
} catch (Exception e) {
LOGGER.error("delete MicroServiceInfo 4AllVersion fail from consul:[serviceName]" + serviceName, e);
//删除失败，重试三次
for(int i=0;i<retryCount;i++){
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
LOGGER.error("delete MicroServiceInfo 4AllVersion Thread.sleep throw except:" + ex.getMessage());
}
if(reDeleteMicroService(serviceName)){
LOGGER.info((i+1) + "/"+retryCount+" : retry to delete MicroServiceInfo success [serviceName]" + serviceName);
break;
}
else{
LOGGER.error((i+1) + "/"+retryCount+" : retry to delete MicroServiceInfo still fail [serviceName]" + serviceName);
}
}
}
}
private boolean reDeleteMicroService(String serviceName){
try {
MicroServiceWrapper.getInstance().deleteMicroService4AllVersion(serviceName);
return true;
} catch (Exception e) {
return false;
}
}
private void updateMicroService(ServiceData<List<ServiceHealth>> serviceData) {
if (serviceData.getData() == null || serviceData.getData().size() == 0) {
LOGGER.warn("sysn updateMicroService is wrong:serviceData is empty ");
return;
}
String serviceName = "";
try {
serviceName = serviceData.getData().get(0).getService().getService();
List<ServiceHealth> serviceNodeList = serviceData.getData();
Map<String, MicroServiceFullInfo> microServiceInfo4version =
ServiceFilter.getInstance().transMicroServiceInfoFromConsul(serviceNodeList);
// 删除数据库中已不存在的版本号服务信息
Set<String> newAllVersion = microServiceInfo4version.keySet();
if (lastVersionResponse.containsKey(serviceName)) {
Set<String> dbAllVersionSet = lastVersionResponse.get(serviceName);
// Set<String> dbAllVersionSet=MicroServiceWrapper.getInstance().getAllVersion(serviceName);
Set<String> delVersionList = CommonUtil.getDiffrent(newAllVersion, dbAllVersionSet);
if (delVersionList.size() > 0) {
LOGGER.info("MicroService version is change from consul:[serviceName]" + serviceName
+ "[version]" + delVersionList);
for (String version : delVersionList) {
MicroServiceWrapper.getInstance().deleteMicroService(serviceName, version);
}
}
}
lastVersionResponse.put(serviceName, newAllVersion);
for (Map.Entry<String, MicroServiceFullInfo> entry : microServiceInfo4version.entrySet()) {
MicroServiceFullInfo new_microServiceFullInfo = entry.getValue();
MicroServiceWrapper.getInstance().saveServiceAndnoticeRoute(new_microServiceFullInfo);
}
} catch (Exception e) {
LOGGER.error("update MicroServiceInfo fail from consul:[serviceName]" + serviceName);
//更新失败，重置任务服务的modifyIndex，等待重新更新
RedisHealthCheck.writeCheckFlag = true;
SyncDataManager.resetIndex(serviceName);
}
}
}
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