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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.sdclient.wrapper;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.onap.msb.sdclient.core.KeyVaulePair;
import org.onap.msb.sdclient.core.MicroServiceFullInfo;
import org.onap.msb.sdclient.core.NodeInfo;
import org.onap.msb.sdclient.wrapper.consul.Consul;
import org.onap.msb.sdclient.wrapper.consul.HealthClient;
import org.onap.msb.sdclient.wrapper.consul.cache.HealthCache;
import org.onap.msb.sdclient.wrapper.consul.model.health.Service;
import org.onap.msb.sdclient.wrapper.consul.model.health.ServiceHealth;
import org.onap.msb.sdclient.wrapper.util.JacksonJsonUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ConsulClientApp {
private final Consul consul;
private final HealthClient healthClient;
// private AtomicReference<List<HealthCache>> cacheList = new
// AtomicReference<List<HealthCache>>(
// new ArrayList<HealthCache>());
private static final Logger LOGGER = LoggerFactory.getLogger(ConsulClientApp.class);
public ConsulClientApp(String ip, int port) {
URL url = null;
try {
url = new URL("http", ip, port, "");
} catch (MalformedURLException e1) {
// TODO Auto-generated catch block
LOGGER.error("start ConsulClientApp throw exception", e1);
throw new RuntimeException(e1);
}
this.consul = Consul.builder().withUrl(url).build(); // connect to Consul on localhost
this.healthClient = consul.healthClient();
}
public Consul getConsul() {
return consul;
}
/**
* @Title startHealthNodeListen
* @Description TODO(开启某个服务的node变化监听,只返回健康状态服务)
* @param serviceName
* @return
* @return HealthCache
*/
public HealthCache startHealthNodeListen(final String serviceName) {
final HealthCache healthCache = HealthCache.newCache(healthClient, serviceName, 30);
healthCache.addListener(new HealthCache.Listener<String, ServiceHealth>() {
@Override
public void notify(Map<String, ServiceHealth> newValues) {
// do Something with updated server map
LOGGER.info(serviceName + "--new node notify--");
if (newValues.isEmpty()) {
LOGGER.warn(serviceName + "--nodeList is Empty--");
PublishAddressWrapper.publishApigateWayList.remove(serviceName);
try {
healthCache.stop();
LOGGER.info(serviceName + " Node Listen stopped");
} catch (Exception e) {
LOGGER.error(serviceName + " Node Listen stop throw exception", e);
}
return;
}
// 服务发现变化
List<MicroServiceFullInfo> nodeAddressList = new ArrayList<MicroServiceFullInfo>();
for (Map.Entry<String, ServiceHealth> entry : newValues.entrySet()) {
MicroServiceFullInfo microServiceInfo = new MicroServiceFullInfo();
ServiceHealth value = (ServiceHealth) entry.getValue();
Service service = value.getService();
NodeInfo node = new NodeInfo();
node.setIp(service.getAddress());
node.setPort(String.valueOf(service.getPort()));
Set<NodeInfo> nodes = new HashSet<NodeInfo>();
nodes.add(node);
microServiceInfo.setNodes(nodes);
microServiceInfo.setServiceName(serviceName);
try {
List<String> tagList = service.getTags();
for (String tag : tagList) {
if (tag.startsWith("\"ns\"")) {
String ms_ns_json = tag.split("\"ns\":")[1];
Map<String, String> nsMap =
(Map<String, String>) JacksonJsonUtil.jsonToBean(ms_ns_json, Map.class);
if (nsMap.get("namespace") != null) {
microServiceInfo.setNamespace(nsMap.get("namespace"));
}
continue;
}
if (tag.startsWith("\"labels\"")) {
String ms_labels_json = "{" + tag.split("\"labels\":\\{")[1];
Map<String, String> labelMap = (Map<String, String>) JacksonJsonUtil
.jsonToBean(ms_labels_json, Map.class);
List<String> nodeLabels = new ArrayList<String>();
for (Map.Entry<String, String> labelEntry : labelMap.entrySet()) {
if ("visualRange".equals(labelEntry.getKey())) {
microServiceInfo.setVisualRange(labelEntry.getValue());
} else if ("network_plane_type".equals(labelEntry.getKey())) {
microServiceInfo.setNetwork_plane_type(labelEntry.getValue());
} else {
nodeLabels.add(labelEntry.getKey() + ":" + labelEntry.getValue());
}
}
microServiceInfo.setLabels(nodeLabels);
continue;
}
if (tag.startsWith("\"metadata\"")) {
String ms_metadata_json = "{" + tag.split("\"metadata\":\\{")[1];
Map<String, String> metadataMap = (Map<String, String>) JacksonJsonUtil
.jsonToBean(ms_metadata_json, Map.class);
List<KeyVaulePair> ms_metadata = new ArrayList<KeyVaulePair>();
for (Map.Entry<String, String> metadataEntry : metadataMap.entrySet()) {
KeyVaulePair keyVaulePair = new KeyVaulePair();
keyVaulePair.setKey(metadataEntry.getKey());
keyVaulePair.setValue(metadataEntry.getValue());
ms_metadata.add(keyVaulePair);
}
microServiceInfo.setMetadata(ms_metadata);
continue;
}
}
} catch (Exception e) {
LOGGER.error(serviceName + " read tag throw exception", e);
}
nodeAddressList.add(microServiceInfo);
}
PublishAddressWrapper.publishApigateWayList.put(serviceName, nodeAddressList);
}
});
try {
LOGGER.info(serviceName + " Node Listen start");
// cacheList.get().add(healthCache);
healthCache.start();
} catch (Exception e) {
// TODO Auto-generated catch block
LOGGER.error(serviceName + " Node Listen start throw exception", e);
}
return healthCache;
}
public static void main(String[] args) {
ConsulClientApp consulTest = new ConsulClientApp("127.0.0.1", 8500);
// 监听服务变化
consulTest.startHealthNodeListen("apigateway");
}
}
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