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.SessionContext;
  25 import org.openecomp.sdc.common.session.SessionContextProviderFactory;
  26 import org.openecomp.sdc.health.HealthCheckManager;
  27 import org.openecomp.sdc.health.HealthCheckManagerFactory;
  28 import org.openecomp.sdc.health.data.HealthCheckResult;
  29 import org.openecomp.sdc.health.data.HealthCheckStatus;
  30 import org.openecomp.sdc.health.data.HealthInfo;
  31 import org.openecomp.sdc.logging.api.Logger;
  32 import org.openecomp.sdc.logging.api.LoggerFactory;
  33 import org.springframework.context.annotation.Scope;
  34 import org.springframework.stereotype.Service;
  35
  36 import java.util.Arrays;
  37 import java.util.Collection;
  38 import javax.inject.Named;
  39 import javax.ws.rs.core.Response;
  40
  41 @Named
  42 @Service("healthCheck")
  43 @Scope(value = "prototype")
  44 public class HealthCheckImpl implements org.openecomp.sdcrests.health.rest.HealthCheck {
  45
  46   private HealthCheckManager healthCheckManager;
  47   private static final Logger logger = LoggerFactory.getLogger(HealthCheckImpl.class);
  48
  49   public HealthCheckImpl() {
  50     try {
  51       healthCheckManager = HealthCheckManagerFactory.getInstance().createInterface();
  52     } catch (Exception e) {
  53       logger.error(e.getMessage(), e);
  54     }
  55   }
  56
  57   @Override
  58   public Response checkHealth() {
  59     HealthCheckResult healthCheckResult = new HealthCheckResult();
  60
  61     SessionContext context =
  62         SessionContextProviderFactory.getInstance().createInterface().get();
  63
  64     SessionContextProviderFactory.getInstance().createInterface().create("public",
  65         context.getTenant());
  66
  67     try {
  68       Collection<HealthInfo> healthInfos = healthCheckManager.checkHealth();
  69       healthCheckResult.setComponentsInfo(healthInfos);
  70       boolean someIsDown = healthInfos.stream()
  71           .anyMatch(healthInfo -> healthInfo.getHealthCheckStatus().equals(HealthCheckStatus.DOWN));
  72       healthInfos.stream().
  73           filter(healthInfo -> healthInfo.getHealthCheckComponent()
  74               .equals(org.openecomp.sdc.health.data.MonitoredModules.BE)).
  75           findFirst()
  76           .ifPresent(healthInfo -> healthCheckResult.setSdcVersion(healthInfo.getVersion()));
  77       if (someIsDown) {
  78         Response.ResponseBuilder responseBuilder = new ResponseBuilderImpl();
  79         return responseBuilder.entity(healthCheckResult).status(500).build();
  80       }
  81       return Response.ok(healthCheckResult).build();
  82     } catch (Exception ex) {
  83       logger.error("Health check failed", ex);
  84       Response.ResponseBuilder responseBuilder = new ResponseBuilderImpl();
  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