holmes-actions/src/main/java/org/onap/holmes/common/utils/MsbRegister.java

   1 /**
   2  * Copyright 2017-2023 ZTE Corporation.
   3  * <p>
   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  * <p>
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  * <p>
  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
  17 package org.onap.holmes.common.utils;
  18
  19 import jakarta.ws.rs.client.Entity;
  20 import jakarta.ws.rs.core.MediaType;
  21 import lombok.Setter;
  22 import org.apache.commons.lang3.StringUtils;
  23 import org.onap.holmes.common.config.MicroServiceConfig;
  24 import org.onap.holmes.common.exception.CorrelationException;
  25 import org.onap.msb.sdk.discovery.entity.MicroServiceFullInfo;
  26 import org.onap.msb.sdk.discovery.entity.MicroServiceInfo;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29 import org.springframework.stereotype.Service;
  30
  31 import java.util.concurrent.TimeUnit;
  32
  33 import static org.onap.holmes.common.utils.JerseyClient.PROTOCOL_HTTP;
  34 import static org.onap.holmes.common.utils.JerseyClient.PROTOCOL_HTTPS;
  35
  36 @Service
  37 public class MsbRegister {
  38     private static final Logger log = LoggerFactory.getLogger(MsbRegister.class);
  39
  40     private JerseyClient client = JerseyClient.newInstance();
  41
  42     @Setter
  43     private int totalRetryTimes = 20;
  44
  45     @Setter
  46     private int interval = 20;
  47
  48     public MsbRegister() {
  49     }
  50
  51     public void register2Msb(MicroServiceInfo msinfo) throws CorrelationException {
  52         String[] msbAddrInfo = MicroServiceConfig.getMsbIpAndPort();
  53
  54         boolean isHttpsEnabled = StringUtils.isNotBlank(msbAddrInfo[1])
  55                 && msbAddrInfo[1].equals("443");
  56
  57         log.info("Start to register Holmes Service to MSB...");
  58         log.info("Registration information: {}", GsonUtil.beanToJson(msinfo));
  59
  60         MicroServiceFullInfo microServiceFullInfo = null;
  61         int retry = 0;
  62         while (null == microServiceFullInfo && retry < totalRetryTimes) {
  63             int time  = interval * ++retry;
  64             try {
  65                 log.info("Holmes Service Registration. Times: " + retry);
  66                 microServiceFullInfo = client
  67                         .header("Accept", MediaType.APPLICATION_JSON)
  68                         .queryParam("createOrUpdate", true)
  69                         .post(String.format("%s://%s:%s/api/microservices/v1/services",
  70                                 isHttpsEnabled ? PROTOCOL_HTTPS : PROTOCOL_HTTP, msbAddrInfo[0], msbAddrInfo[1]),
  71                                 Entity.entity(msinfo, MediaType.APPLICATION_JSON),
  72                                 MicroServiceFullInfo.class);
  73
  74                 if (null == microServiceFullInfo) {
  75                     retry(time);
  76                 } else {
  77                     log.info("Registration succeeded!");
  78                     break;
  79                 }
  80             } catch (Exception e) {
  81                 log.warn("Unexpected exception: " + e.getMessage(), e);
  82                 retry(time);
  83             }
  84         }
  85
  86         if (null == microServiceFullInfo) {
  87             throw new CorrelationException("Failed to register the service to MSB!");
  88         }
  89
  90         log.info("Service registration completed.");
  91     }
  92
  93     private void retry(int intervalInSecond) {
  94         log.warn(String.format("Failed to register the service to MSB. Sleep %ds and try again.", intervalInSecond));
  95         threadSleep(TimeUnit.SECONDS.toSeconds(intervalInSecond));
  96     }
  97
  98     private void threadSleep(long second) {
  99         log.info("Start sleeping...");
 100         try {
 101             TimeUnit.SECONDS.sleep(second);
 102         } catch (InterruptedException error) {
 103             log.error("thread sleep error message:" + error.getMessage(), error);
 104             Thread.currentThread().interrupt();
 105         }
 106         log.info("Wake up.");
 107     }
 108 }