ms/blueprintsprocessor/modules/inbounds/selfservice-api/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/selfservice/api/ExecutionServiceHandler.kt

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  * Modifications Copyright © 2019 IBM.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.onap.ccsdk.cds.blueprintsprocessor.selfservice.api
  19
  20 import com.fasterxml.jackson.databind.node.JsonNodeFactory
  21 import io.grpc.stub.StreamObserver
  22 import kotlinx.coroutines.Dispatchers
  23 import kotlinx.coroutines.GlobalScope
  24 import kotlinx.coroutines.launch
  25 import org.onap.ccsdk.cds.blueprintsprocessor.core.BluePrintCoreConfiguration
  26 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ACTION_MODE_ASYNC
  27 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ACTION_MODE_SYNC
  28 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  29 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceOutput
  30 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.Status
  31 import org.onap.ccsdk.cds.blueprintsprocessor.selfservice.api.utils.saveCBAFile
  32 import org.onap.ccsdk.cds.blueprintsprocessor.selfservice.api.utils.toProto
  33 import org.onap.ccsdk.cds.controllerblueprints.common.api.EventType
  34 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
  35 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
  36 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintCatalogService
  37 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintWorkflowExecutionService
  38 import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintFileUtils
  39 import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintMetadataUtils
  40 import org.slf4j.LoggerFactory
  41 import org.springframework.http.codec.multipart.FilePart
  42 import org.springframework.stereotype.Service
  43 import reactor.core.publisher.Mono
  44 import java.util.stream.Collectors
  45
  46 @Service
  47 class ExecutionServiceHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  48                               private val bluePrintCatalogService: BluePrintCatalogService,
  49                               private val bluePrintWorkflowExecutionService
  50                               : BluePrintWorkflowExecutionService<ExecutionServiceInput, ExecutionServiceOutput>) {
  51
  52     private val log = LoggerFactory.getLogger(ExecutionServiceHandler::class.toString())
  53
  54     fun upload(filePart: FilePart): Mono<String> {
  55         try {
  56             val archivedPath = BluePrintFileUtils.getCbaStorageDirectory(bluePrintCoreConfiguration.archivePath)
  57             val cbaPath = saveCBAFile(filePart, archivedPath)
  58             bluePrintCatalogService.saveToDatabase(cbaPath.toFile()).let {
  59                 return Mono.just("{\"status\": \"Successfully uploaded blueprint with id($it)\"}")
  60             }
  61         } catch (e: Exception) {
  62             return Mono.error<String>(BluePrintException("Error uploading the CBA file.", e))
  63         }
  64     }
  65
  66     suspend fun process(executionServiceInput: ExecutionServiceInput,
  67                         responseObserver: StreamObserver<org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput>) {
  68         when {
  69             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_ASYNC -> {
  70                 GlobalScope.launch(Dispatchers.Default) {
  71                     val executionServiceOutput = doProcess(executionServiceInput)
  72                     responseObserver.onNext(executionServiceOutput.toProto())
  73                     responseObserver.onCompleted()
  74                 }
  75                 responseObserver.onNext(response(executionServiceInput).toProto())
  76             }
  77             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_SYNC -> {
  78                 val executionServiceOutput = doProcess(executionServiceInput)
  79                 responseObserver.onNext(executionServiceOutput.toProto())
  80                 responseObserver.onCompleted()
  81             }
  82             else -> responseObserver.onNext(response(executionServiceInput,
  83                 "Failed to process request, 'actionIdentifiers.mode' not specified. Valid value are: 'sync' or 'async'.",
  84                 true).toProto());
  85         }
  86     }
  87
  88     suspend fun doProcess(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  89         val requestId = executionServiceInput.commonHeader.requestId
  90         log.info("processing request id $requestId")
  91
  92         val actionIdentifiers = executionServiceInput.actionIdentifiers
  93
  94         val blueprintName = actionIdentifiers.blueprintName
  95         val blueprintVersion = actionIdentifiers.blueprintVersion
  96
  97         val basePath = bluePrintCatalogService.getFromDatabase(blueprintName, blueprintVersion)
  98         log.info("blueprint base path $basePath")
  99
 100         val blueprintRuntimeService = BluePrintMetadataUtils.getBluePrintRuntime(requestId, basePath.toString())
 101
 102         val output = bluePrintWorkflowExecutionService.executeBluePrintWorkflow(blueprintRuntimeService,
 103             executionServiceInput, hashMapOf())
 104
 105         val errors = blueprintRuntimeService.getBluePrintError().errors
 106         if (errors.isNotEmpty()) {
 107             val errorMessage = errors.stream().map { it.toString() }.collect(Collectors.joining(", "))
 108             setErrorStatus(errorMessage, output.status)
 109         }
 110
 111         return output
 112     }
 113
 114     private fun setErrorStatus(errorMessage: String, status: Status) {
 115         status.errorMessage = errorMessage
 116         status.eventType = EventType.EVENT_COMPONENT_FAILURE.name
 117         status.code = 500
 118         status.message = BluePrintConstants.STATUS_FAILURE
 119     }
 120
 121     private fun response(executionServiceInput: ExecutionServiceInput, errorMessage: String = "",
 122                          failure: Boolean = false): ExecutionServiceOutput {
 123         val executionServiceOutput = ExecutionServiceOutput()
 124         executionServiceOutput.commonHeader = executionServiceInput.commonHeader
 125         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
 126         executionServiceOutput.payload = JsonNodeFactory.instance.objectNode()
 127
 128         val status = Status()
 129         if (failure) {
 130             setErrorStatus(errorMessage, status)
 131         } else {
 132             status.eventType = EventType.EVENT_COMPONENT_PROCESSING.name
 133             status.code = 200
 134             status.message = BluePrintConstants.STATUS_PROCESSING
 135         }
 136
 137         executionServiceOutput.status = status
 138
 139         return executionServiceOutput
 140     }
 141
 142 }