How to use

getInstanceId

method

in

com.netflix.eureka2.registry.datacenter.AwsDataCenterInfo

private static String extractInstanceId(InstanceInfo instanceInfo) {
  if (instanceInfo != null &&
      instanceInfo.getDataCenterInfo() != null &&
      AwsDataCenterInfo.class.isAssignableFrom(instanceInfo.getDataCenterInfo().getClass())) {
    final AwsDataCenterInfo dataCenterInfo = (AwsDataCenterInfo) instanceInfo.getDataCenterInfo();
    return dataCenterInfo.getInstanceId();
  }
  return instanceInfo.getId();
}

private static String extractInstanceId(InstanceInfo instanceInfo) {
  if (instanceInfo != null &&
      instanceInfo.getDataCenterInfo() != null &&
      AwsDataCenterInfo.class.isAssignableFrom(instanceInfo.getDataCenterInfo().getClass())) {
    final AwsDataCenterInfo dataCenterInfo = (AwsDataCenterInfo) instanceInfo.getDataCenterInfo();
    return dataCenterInfo.getInstanceId();
  }
  return instanceInfo.getId();
}

  @Override
  public JsonElement serialize(InstanceInfo instanceInfo, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject result = new JsonObject();
    if (AwsDataCenterInfo.class.isAssignableFrom(instanceInfo.getDataCenterInfo().getClass())) {
      final AwsDataCenterInfo dataCenterInfo = (AwsDataCenterInfo) instanceInfo.getDataCenterInfo();
      result.addProperty("instId", dataCenterInfo.getInstanceId());
      if(dataCenterInfo.getPublicAddress() != null) {
        result.addProperty("ip", dataCenterInfo.getPublicAddress().getIpAddress());
        result.addProperty("hostname", dataCenterInfo.getPublicAddress().getHostName());
      }
      result.addProperty("zone", dataCenterInfo.getZone());
      result.addProperty("reg", dataCenterInfo.getRegion());
    }
    result.addProperty("appId", instanceInfo.getApp());
    result.addProperty("status", instanceInfo.getStatus().name());
    result.addProperty("vip", instanceInfo.getVipAddress());
    return result;
  }
}

public Builder withAwsDataCenter(AwsDataCenterInfo dataCenter) {
  this.region = dataCenter.getRegion();
  this.zone = dataCenter.getZone();
  this.placementGroup = dataCenter.getPlacementGroup();
  this.amiId = dataCenter.getAmiId();
  this.instanceId = dataCenter.getInstanceId();
  this.instanceType = dataCenter.getInstanceType();
  this.privateIP = dataCenter.getPrivateAddress().getIpAddress();
  this.privateHostName = dataCenter.getPrivateAddress().getHostName();
  this.publicIP = dataCenter.getPublicAddress().getIpAddress();
  this.publicHostName = dataCenter.getPublicAddress().getHostName();
  this.eth0mac = dataCenter.getEth0mac();
  this.vpcId = dataCenter.getVpcId();
  this.accountId = dataCenter.getAccountId();
  return this;
}