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 package org.openecomp.sdcrests.health.rest.services;
  21
  22 import java.util.Arrays;
  23 import java.util.Collection;
  24 import javax.inject.Named;
  25 import javax.ws.rs.core.Response;
  26 import org.apache.cxf.jaxrs.impl.ResponseBuilderImpl;
  27 import org.openecomp.sdc.common.session.SessionContextProviderFactory;
  28 import org.openecomp.sdc.health.HealthCheckManager;
  29 import org.openecomp.sdc.health.HealthCheckManagerFactory;
  30 import org.openecomp.sdc.health.data.HealthCheckResult;
  31 import org.openecomp.sdc.health.data.HealthCheckStatus;
  32 import org.openecomp.sdc.health.data.HealthInfo;
  33 import org.openecomp.sdc.logging.api.Logger;
  34 import org.openecomp.sdc.logging.api.LoggerFactory;
  35 import org.springframework.context.annotation.Scope;
  36 import org.springframework.stereotype.Service;
  37
  38 @Named
  39 @Service("healthCheck")
  40 @Scope(value = "prototype")
  41 public class HealthCheckImpl implements org.openecomp.sdcrests.health.rest.HealthCheck {
  42
  43     private static final Logger logger = LoggerFactory.getLogger(HealthCheckImpl.class);
  44     private HealthCheckManager healthCheckManager;
  45
  46     public HealthCheckImpl() {
  47         try {
  48             healthCheckManager = HealthCheckManagerFactory.getInstance().createInterface();
  49         } catch (Exception e) {
  50             logger.error(e.getMessage(), e);
  51         }
  52     }
  53
  54     @Override
  55     public Response checkHealth() {
  56         HealthCheckResult healthCheckResult = new HealthCheckResult();
  57         SessionContextProviderFactory.getInstance().createInterface().create("public", "dox");
  58         try {
  59             Collection<HealthInfo> healthInfos = healthCheckManager.checkHealth();
  60             healthCheckResult.setComponentsInfo(healthInfos);
  61             boolean someIsDown = healthInfos.stream().anyMatch(healthInfo -> healthInfo.getHealthCheckStatus().equals(HealthCheckStatus.DOWN));
  62             healthInfos.stream().filter(healthInfo -> healthInfo.getHealthCheckComponent().equals(org.openecomp.sdc.health.data.MonitoredModules.BE))
  63                 .findFirst().ifPresent(healthInfo -> healthCheckResult.setSdcVersion(healthInfo.getVersion()));
  64             if (someIsDown) {
  65                 Response.ResponseBuilder responseBuilder = new ResponseBuilderImpl();
  66                 return responseBuilder.entity(healthCheckResult).status(500).build();
  67             }
  68             return Response.ok(healthCheckResult).build();
  69         } catch (Exception ex) {
  70             logger.error("Health check failed", ex);
  71             Response.ResponseBuilder responseBuilder = new ResponseBuilderImpl();
  72             HealthInfo healthInfo = new HealthInfo(org.openecomp.sdc.health.data.MonitoredModules.BE, HealthCheckStatus.DOWN, "",
  73                 "Failed to perform Health Check");
  74             Collection<HealthInfo> healthInfos = Arrays.asList(healthInfo);
  75             healthCheckResult.setComponentsInfo(healthInfos);
  76             return responseBuilder.entity(healthCheckResult).status(500).build();
  77         }
  78     }
  79 }