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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.service;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.onap.msb.apiroute.api.MicroServiceFullInfo;
import org.onap.msb.apiroute.wrapper.dao.DAOFactory;
import org.onap.msb.apiroute.wrapper.dao.RedisAccessWrapper;
import org.onap.msb.apiroute.wrapper.dao.service.IServiceDAO;
import org.onap.msb.apiroute.wrapper.dao.service.bean.Metadata;
import org.onap.msb.apiroute.wrapper.dao.service.bean.ServiceInfo;
import org.onap.msb.apiroute.wrapper.dao.service.bean.Spec;
import org.onap.msb.apiroute.wrapper.util.MicroServiceUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MicroServiceFullService {
private static final Logger LOGGER = LoggerFactory.getLogger(MicroServiceFullService.class);
private static MicroServiceFullService instance = new MicroServiceFullService();
private IServiceDAO serviceDAO = DAOFactory.getServiceDAO();
private MicroServiceFullService() {}
public static MicroServiceFullService getInstance() {
return instance;
}
public List<MicroServiceFullInfo> getAllMicroServiceInstances() throws Exception {
String serviceKeyPattern = MicroServiceUtil.getPrefixedKey("*");
List<MicroServiceFullInfo> microServiceFullInfoList = new ArrayList<>();
List<ServiceInfo> serviceInfoList = serviceDAO.queryMultiService(serviceKeyPattern);
for (ServiceInfo serviceInfo : serviceInfoList) {
if (serviceInfo != null) {
MicroServiceFullInfo microServiceFullInfo = MicroServiceFullAdapter.fromServiceInfo(serviceInfo);;
microServiceFullInfoList.add(microServiceFullInfo);
}
}
return microServiceFullInfoList;
}
public Set<String> getAllMicroServiceKey() throws Exception {
final Set<String> builder = new HashSet<String>();
String serviceKeyPattern = MicroServiceUtil.getPrefixedKey("*");
Set<String> serviceKeySet = RedisAccessWrapper.filterKeys(serviceKeyPattern);
Pattern serviceKeyRegexPattern = MicroServiceUtil.getServiceKeyRegexPattern();
for (String serviceKey : serviceKeySet) {
Matcher matcher = serviceKeyRegexPattern.matcher(serviceKey);
if (matcher.matches()) {
builder.add(matcher.group("servicename"));
}
}
return builder;
}
public void saveMicroServiceInfo2Redis(MicroServiceFullInfo microServiceFullInfo) throws Exception {
if (microServiceFullInfo == null) {
throw new Exception("input microServiceInfo to be saved is null!");
}
ServiceInfo serviceInfo = MicroServiceFullAdapter.toServiceInfo(microServiceFullInfo);
String serviceKey = MicroServiceUtil.getServiceKey(microServiceFullInfo.getServiceName(),
microServiceFullInfo.getVersion());
serviceDAO.saveService(serviceKey, serviceInfo);
}
public void updateMicroServiceStatus(String serviceName, String version, String status) throws Exception {
if (null == version || "null".equals(version)) {
version = "";
}
String serviceKey = MicroServiceUtil.getServiceKey(serviceName, version);
ServiceInfo serviceInfo = serviceDAO.queryService(serviceKey);
if (serviceInfo != null) {
serviceInfo.setStatus(status);
serviceDAO.saveService(serviceKey, serviceInfo);
}
}
public boolean existsMicroServiceInstance(String serviceName, String version) throws Exception {
if (null == version || "null".equals(version)) {
version = "";
}
String serviceKey = MicroServiceUtil.getServiceKey(serviceName, version);
return RedisAccessWrapper.isExist(serviceKey);
}
public MicroServiceFullInfo getMicroServiceInstance(String serviceName, String version) throws Exception {
if (null == version || "null".equals(version)) {
version = "";
}
String serviceKey = MicroServiceUtil.getServiceKey(serviceName, version);
MicroServiceFullInfo microServiceInfo = null;
ServiceInfo serviceInfo = null;
serviceInfo = serviceDAO.queryService(serviceKey);
if (serviceInfo != null) {
microServiceInfo = MicroServiceFullAdapter.fromServiceInfo(serviceInfo);
}
return microServiceInfo;
}
/**
* query all the versions of the given ServiceName
*
* @param serviceName
* @return
* @throws Exception
*/
public List<MicroServiceFullInfo> getAllVersionsOfTheService(String serviceName) throws Exception {
String serviceKeyPattern = MicroServiceUtil.getPrefixedKey(serviceName, "*");
List<MicroServiceFullInfo> microServiceFullInfoList = new ArrayList<>();
List<ServiceInfo> serviceInfoList = serviceDAO.queryMultiService(serviceKeyPattern);
for (ServiceInfo serviceInfo : serviceInfoList) {
if (serviceInfo != null) {
MicroServiceFullInfo microServiceFullInfo = MicroServiceFullAdapter.fromServiceInfo(serviceInfo);
microServiceFullInfoList.add(microServiceFullInfo);
}
}
return microServiceFullInfoList;
}
public void deleteMicroService(String serviceName, String version) throws Exception {
if (null == version || "null".equals(version)) {
version = "";
}
String serviceKey = MicroServiceUtil.getServiceKey(serviceName, version);
serviceDAO.deleteService(serviceKey);
}
public long deleteMultiMicroService(String keyPattern) throws Exception {
return serviceDAO.deleteMultiService(keyPattern);
}
}
class MicroServiceFullAdapter {
public static ServiceInfo toServiceInfo(MicroServiceFullInfo microServiceFullInfo) {
ServiceInfo serviceInfo = new ServiceInfo();
serviceInfo.setApiVersion(microServiceFullInfo.getVersion());
serviceInfo.setStatus(microServiceFullInfo.getStatus());
Spec spec = new Spec();
spec.setVisualRange(microServiceFullInfo.getVisualRange());
spec.setUrl(microServiceFullInfo.getUrl());
spec.setPublish_port(microServiceFullInfo.getPublish_port());
spec.setHost(microServiceFullInfo.getHost());
spec.setProtocol(microServiceFullInfo.getProtocol());
spec.setLb_policy(microServiceFullInfo.getLb_policy());
spec.setEnable_ssl(microServiceFullInfo.isEnable_ssl());
Set<org.onap.msb.apiroute.api.Node> nodeSet = microServiceFullInfo.getNodes();
List<org.onap.msb.apiroute.wrapper.dao.service.bean.Node> serviceNodeList = new ArrayList<>();
for (org.onap.msb.apiroute.api.Node node : nodeSet) {
org.onap.msb.apiroute.wrapper.dao.service.bean.Node serviceNode =
new org.onap.msb.apiroute.wrapper.dao.service.bean.Node();
serviceNode.setIp(node.getIp());
serviceNode.setPort(node.getPort());
serviceNode.setTtl(node.getTtl());
serviceNodeList.add(serviceNode);
}
spec.setNodes(serviceNodeList.toArray(new org.onap.msb.apiroute.wrapper.dao.service.bean.Node[] {}));
serviceInfo.setSpec(spec);
Metadata metadata = new Metadata();
metadata.setName(microServiceFullInfo.getServiceName());
metadata.setNamespace(microServiceFullInfo.getNamespace());
Calendar now = Calendar.getInstance();
now.set(Calendar.MILLISECOND, 0);
metadata.setUpdateTimestamp(now.getTime());
serviceInfo.setMetadata(metadata);
return serviceInfo;
}
public static MicroServiceFullInfo fromServiceInfo(ServiceInfo serviceInfo) {
MicroServiceFullInfo microServiceFullInfo = new MicroServiceFullInfo();
microServiceFullInfo.setVersion(serviceInfo.getApiVersion());
microServiceFullInfo.setStatus(serviceInfo.getStatus());
Spec spec = serviceInfo.getSpec();
microServiceFullInfo.setVisualRange(spec.getVisualRange());
microServiceFullInfo.setUrl(spec.getUrl());
microServiceFullInfo.setPath(spec.getPath());
microServiceFullInfo.setPublish_port(spec.getPublish_port());
microServiceFullInfo.setHost(spec.getHost());
microServiceFullInfo.setProtocol(spec.getProtocol());
microServiceFullInfo.setLb_policy(spec.getLb_policy());
microServiceFullInfo.setEnable_ssl(spec.isEnable_ssl());
org.onap.msb.apiroute.wrapper.dao.service.bean.Node[] serviceNodes = spec.getNodes();
List<org.onap.msb.apiroute.api.Node> nodeList = new ArrayList<>();
for (org.onap.msb.apiroute.wrapper.dao.service.bean.Node serviceNode : serviceNodes) {
org.onap.msb.apiroute.api.Node node = new org.onap.msb.apiroute.api.Node();
node.setIp(serviceNode.getIp());
node.setPort(String.valueOf(serviceNode.getPort()));
node.setTtl(serviceNode.getTtl());
nodeList.add(node);
}
microServiceFullInfo.setNodes(new HashSet<org.onap.msb.apiroute.api.Node>(nodeList));
Metadata metadata = serviceInfo.getMetadata();
microServiceFullInfo.setServiceName(metadata.getName());
microServiceFullInfo.setNamespace(metadata.getNamespace());
return microServiceFullInfo;
}
}
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