openecomp-be/api/openecomp-sdc-rest-webapp/healthcheck-rest/healthcheck-rest-services/src/main/java/org/openecomp/sdcrests/health/rest/services/HealthCheckImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdcrests.health.rest.services;
  22
  23 import org.apache.cxf.jaxrs.impl.ResponseBuilderImpl;
  24 import org.openecomp.sdc.common.session.SessionContextProviderFactory;
  25 import org.openecomp.sdc.health.HealthCheckManager;
  26 import org.openecomp.sdc.health.HealthCheckManagerFactory;
  27 import org.openecomp.sdc.health.data.HealthCheckResult;
  28 import org.openecomp.sdc.health.data.HealthCheckStatus;
  29 import org.openecomp.sdc.health.data.HealthInfo;
  30 import org.openecomp.sdc.logging.api.Logger;
  31 import org.openecomp.sdc.logging.api.LoggerFactory;
  32 import org.openecomp.sdc.logging.context.MdcUtil;
  33 import org.openecomp.sdc.logging.types.LoggerServiceName;
  34 import org.openecomp.sdcrests.health.types.HealthInfoDtos;
  35 import org.openecomp.sdcrests.wrappers.GenericCollectionWrapper;
  36 import org.springframework.context.annotation.Scope;
  37 import org.springframework.stereotype.Service;
  38
  39 import javax.inject.Named;
  40 import javax.ws.rs.core.Response;
  41 import java.util.Arrays;
  42 import java.util.Collection;
  43
  44 @Named
  45 @Service("healthCheck")
  46 @Scope(value = "prototype")
  47 public class HealthCheckImpl implements org.openecomp.sdcrests.health.rest.HealthCheck {
  48
  49   private HealthCheckManager healthCheckManager;
  50   private static final Logger logger = LoggerFactory.getLogger(HealthCheckImpl.class);
  51
  52   public HealthCheckImpl() {
  53     try {
  54       healthCheckManager = HealthCheckManagerFactory.getInstance().createInterface();
  55     } catch (Exception e) {
  56       logger.error(e.getMessage(), e);
  57     }
  58   }
  59
  60   @Override
  61   public Response checkHealth() {
  62     HealthCheckResult healthCheckResult = new HealthCheckResult();
  63     SessionContextProviderFactory.getInstance().createInterface().create("public");
  64
  65     try {
  66       MdcUtil.initMdc(LoggerServiceName.Health_check.toString());
  67       Collection<HealthInfo> healthInfos = healthCheckManager.checkHealth();
  68       healthCheckResult.setComponentsInfo(healthInfos);
  69       boolean someIsDown = healthInfos.stream()
  70           .anyMatch(healthInfo -> healthInfo.getHealthCheckStatus().equals(HealthCheckStatus.DOWN));
  71       healthInfos.stream().
  72           filter(healthInfo -> healthInfo.getHealthCheckComponent()
  73               .equals(org.openecomp.sdc.health.data.MonitoredModules.BE)).
  74           findFirst()
  75           .ifPresent(healthInfo -> healthCheckResult.setSdcVersion(healthInfo.getVersion()));
  76       if (someIsDown) {
  77         Response.ResponseBuilder responseBuilder = new ResponseBuilderImpl();
  78         return responseBuilder.entity(healthCheckResult).status(500).build();
  79       }
  80       return Response.ok(healthCheckResult).build();
  81     } catch (Exception ex) {
  82       logger.error("Health check failed", ex);
  83       Response.ResponseBuilder responseBuilder = new ResponseBuilderImpl();
  84       GenericCollectionWrapper<HealthInfoDtos> results = new GenericCollectionWrapper<>();
  85       HealthInfo healthInfo = new HealthInfo(org.openecomp.sdc.health.data.MonitoredModules.BE,
  86           HealthCheckStatus.DOWN,
  87           "", "Failed to perform Health Check");
  88       Collection<HealthInfo> healthInfos = Arrays.asList(healthInfo);
  89       healthCheckResult.setComponentsInfo(healthInfos);
  90       return responseBuilder.entity(healthCheckResult).status(500).build();
  91     }
  92   }
  93
  94
  95 }
  96