ms/blueprintsprocessor/modules/inbounds/health-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/healthapi/service/CombinedMetricsService.kt

   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 package org.onap.ccsdk.cds.blueprintsprocessor.healthapi.service
  17
  18 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.configuration.HealthCheckProperties
  19 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.ActuatorCheckResponse
  20 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.HealthCheckStatus
  21 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.Metrics
  22 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.MetricsInfo
  23 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.MetricsResponse
  24 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.domain.ServiceEndpoint
  25 import org.onap.ccsdk.cds.blueprintsprocessor.healthapi.utils.ObjectMappingUtils
  26 import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.BlueprintWebClientService
  27 import org.springframework.stereotype.Service
  28
  29 /**
  30  *Service for combined Metrics for CDS Listener and BluePrintProcessor
  31  *
  32  * @author Shaaban Ebrahim
  33  * @version 1.0
  34  */
  35 @Service
  36 open class CombinedMetricsService(
  37     private val endPointExecution: EndPointExecution,
  38     private val healthCheckProperties: HealthCheckProperties,
  39     private val objectMappingUtils: ObjectMappingUtils<Metrics>
  40 ) {
  41
  42     private fun setupServiceEndpoint(): List<ServiceEndpoint> {
  43         return listOf(
  44             ServiceEndpoint("BluePrintProcessor metrics", healthCheckProperties.getBluePrintBaseURL() + "/actuator/metrics"),
  45             ServiceEndpoint("CDS Listener metrics", healthCheckProperties.getCDSListenerBaseURL() + "/actuator/metrics")
  46         )
  47     }
  48
  49     open val metricsInfo: MetricsInfo
  50         get() {
  51             val containerHealthChecks = mutableListOf<ActuatorCheckResponse>()
  52             for (serviceEndpoint in setupServiceEndpoint().parallelStream()) {
  53                 val webClientResponse = endPointExecution?.retrieveWebClientResponse(serviceEndpoint)
  54                 var actuatorsHealthResponse: ActuatorCheckResponse? = null
  55                 actuatorsHealthResponse = if (webClientResponse?.response != null &&
  56                     webClientResponse.response!!.status?.equals(200)!!
  57                 ) {
  58                     var body = gettingCustomizedBody(serviceEndpoint, webClientResponse.response!!)
  59                     ActuatorCheckResponse(serviceEndpoint.serviceName, body)
  60                 } else {
  61                     ActuatorCheckResponse(serviceEndpoint.serviceName, HealthCheckStatus.DOWN)
  62                 }
  63                 containerHealthChecks.add(actuatorsHealthResponse)
  64             }
  65             return MetricsInfo(containerHealthChecks)
  66         }
  67
  68     private fun gettingCustomizedBody(
  69         serviceEndpoint: ServiceEndpoint?,
  70         webClientResponse: BlueprintWebClientService.WebClientResponse<String>
  71     ): Any {
  72         var body: Any
  73         val metrics: Metrics = objectMappingUtils.getObjectFromBody(webClientResponse.body, Metrics::class.java)
  74         val mapOfMetricsInfo = HashMap<String, String>()
  75         for (name in metrics.names!!) {
  76             mapOfMetricsInfo.put(name.toString(), serviceEndpoint?.serviceLink + "/" + name)
  77         }
  78         body = MetricsResponse(mapOfMetricsInfo)
  79
  80         return body
  81     }
  82 }