rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineIpList.java

   1 /**
   2  * Copyright 2017 ZTE Corporation.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.holmes.rulemgt.msb;
  17
  18
  19 import java.io.IOException;
  20 import lombok.extern.slf4j.Slf4j;
  21 import org.apache.http.HttpResponse;
  22 import org.apache.http.client.methods.HttpGet;
  23 import org.apache.http.impl.client.CloseableHttpClient;
  24 import org.jvnet.hk2.annotations.Service;
  25 import org.onap.holmes.common.api.entity.ServiceEntity;
  26 import org.onap.holmes.common.api.entity.ServiceNode4Query;
  27 import org.onap.holmes.common.config.MicroServiceConfig;
  28 import org.onap.holmes.common.utils.GsonUtil;
  29 import org.onap.holmes.common.utils.HttpsUtils;
  30
  31 import javax.annotation.PostConstruct;
  32 import java.util.ArrayList;
  33 import java.util.HashMap;
  34 import java.util.List;
  35
  36 @Service
  37 @Slf4j
  38 public class EngineIpList {
  39
  40     private String[] msbAddrInfo;
  41     private String ip;
  42     private String port;
  43     private String url;
  44
  45     @PostConstruct
  46     public void init(){
  47         msbAddrInfo = MicroServiceConfig.getMsbIpAndPort();
  48         ip = msbAddrInfo[0];
  49         port = msbAddrInfo[1];
  50         url = "http://" + ip + ":" + port + "/api/microservices/v1/services/holmes-engine-mgmt/version/v1" ;
  51     }
  52
  53     public List<String> getServiceCount()throws Exception{
  54                 String response;
  55                 HttpGet httpGet = new HttpGet(url);
  56                 try (CloseableHttpClient httpClient = HttpsUtils.getHttpClient(HttpsUtils.DEFUALT_TIMEOUT)) {
  57                         HttpResponse httpResponse = HttpsUtils.get(httpGet, new HashMap<>(), httpClient);
  58                         response = HttpsUtils.extractResponseEntity(httpResponse);
  59                 } catch (Exception e) {
  60                         throw e;
  61                 } finally {
  62                         httpGet.releaseConnection();
  63
  64                 }
  65                 ServiceEntity service = GsonUtil.jsonToBean(response, ServiceEntity.class);
  66                 List<ServiceNode4Query> nodesList = service.getNodes();
  67                 List<String> ipList = new ArrayList<>();
  68                 for (ServiceNode4Query node : nodesList) {
  69                         ipList.add(node.getIp());
  70                 }
  71                 return ipList;
  72
  73     }
  74
  75 }