gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*
   2  * Copyright © 2019-2020 Orange.
   3  *
   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  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.ccsdk.cds.blueprintsprocessor.healthapi.service
  18
  19 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.HealthApiResponse
  20 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.HealthCheckResponse
  21 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.HealthCheckStatus
  22 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.ServiceEndpoint
  23 import org.onap.ccsdk.cds.blueprintsprocessor.rest.BasicAuthRestClientProperties
  24 import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.BasicAuthRestClientService
  25 import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.BlueprintWebClientService
  26 import org.slf4j.LoggerFactory
  27 import org.springframework.beans.factory.annotation.Autowired
  28 import org.springframework.http.HttpMethod
  29 import org.springframework.stereotype.Service
  30
  31
  32 @Service
  33 class HealthCheckService {
  34
  35     private var logger = LoggerFactory.getLogger(HealthCheckService::class.java)
  36
  37     @Autowired
  38     lateinit var basicAuthRestClientService: BasicAuthRestClientService
  39
  40     @Autowired
  41     lateinit var restClientProperties: BasicAuthRestClientProperties
  42
  43
  44     open fun setupServiceEndpoint(): List<ServiceEndpoint> {
  45         return listOf(ServiceEndpoint("Execution service", "http://cds-blueprints-processor-http:8080/api/v1/execution-service/health-check"),
  46                 ServiceEndpoint("Template service", "http://cds-blueprints-processor-http:8080/api/v1/template/health-check"),
  47                 ServiceEndpoint("Resources service", "http://cds-blueprints-processor-http:8080/api/v1/resources/health-check"),
  48                 ServiceEndpoint("SDC Listener service", "http://cds-sdc-listener:8080/api/v1/sdclistener/health-check")
  49         )
  50     }
  51
  52     fun retrieveSystemStatus(): HealthApiResponse {
  53         logger.info("Retrieve System Status")
  54         var healthApiResponse: HealthApiResponse
  55         val listOfResponse = mutableListOf<HealthCheckResponse>()
  56         var systemStatus: HealthCheckStatus = HealthCheckStatus.UP
  57
  58         for (serviceEndpoint in setupServiceEndpoint().parallelStream()) {
  59             var serviceStatus: HealthCheckStatus = retrieveServiceStatus(serviceEndpoint)
  60             if (serviceStatus.equals(HealthCheckStatus.DOWN))
  61                 systemStatus = HealthCheckStatus.DOWN
  62
  63             listOfResponse.add(HealthCheckResponse(serviceEndpoint.serviceName, serviceStatus))
  64         }
  65         healthApiResponse = HealthApiResponse(systemStatus, listOfResponse)
  66         return healthApiResponse
  67     }
  68
  69     private fun retrieveServiceStatus(serviceEndpoint: ServiceEndpoint): HealthCheckStatus {
  70         var serviceStatus: HealthCheckStatus = HealthCheckStatus.UP
  71         try {
  72             addClientPropertiesConfiguration(serviceEndpoint)
  73             val result: BlueprintWebClientService.WebClientResponse<String> = basicAuthRestClientService.exchangeResource(HttpMethod.GET.name, "", "")
  74             if (result == null || result.status != 200) {
  75                 serviceStatus = HealthCheckStatus.DOWN
  76
  77             }
  78         } catch (e: Exception) {
  79             logger.error("service is down" + e)
  80             serviceStatus = HealthCheckStatus.DOWN
  81
  82         }
  83         return serviceStatus
  84     }
  85
  86     private fun addClientPropertiesConfiguration(serviceEndpoint: ServiceEndpoint) {
  87         restClientProperties.url = serviceEndpoint.serviceLink
  88     }
  89
  90
  91 }