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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   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.apps.blueprintsprocessor.selfservice.api
  18
  19 import kotlinx.coroutines.Dispatchers
  20 import kotlinx.coroutines.GlobalScope
  21 import kotlinx.coroutines.launch
  22 import org.onap.ccsdk.apps.blueprintsprocessor.core.BluePrintCoreConfiguration
  23 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ACTION_MODE_ASYNC
  24 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ACTION_MODE_SYNC
  25 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
  26 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput
  27 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.Status
  28 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.saveCBAFile
  29 import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintDGExecutionService
  30 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  31 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
  32 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintCatalogService
  33 import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintFileUtils
  34 import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintMetadataUtils
  35 import org.slf4j.LoggerFactory
  36 import org.springframework.http.codec.multipart.FilePart
  37 import org.springframework.stereotype.Service
  38 import reactor.core.publisher.Mono
  39
  40 @Service
  41 class ExecutionServiceHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  42                               private val bluePrintCatalogService: BluePrintCatalogService,
  43                               private val blueprintDGExecutionService: BlueprintDGExecutionService) {
  44
  45     private val log = LoggerFactory.getLogger(ExecutionServiceHandler::class.toString())
  46
  47     fun upload(filePart: FilePart): Mono<String> {
  48         try {
  49             val archivedPath = BluePrintFileUtils.getCbaStorageDirectory(bluePrintCoreConfiguration.archivePath)
  50             val cbaPath = saveCBAFile(filePart, archivedPath)
  51             bluePrintCatalogService.saveToDatabase(cbaPath.toFile()).let {
  52                 return Mono.just("{\"status\": \"Successfully uploaded blueprint with id($it)\"}")
  53             }
  54         } catch (e: Exception) {
  55             return Mono.error<String>(BluePrintException("Error uploading the CBA file.", e))
  56         }
  57     }
  58
  59     fun process(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  60         return when {
  61             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_ASYNC -> {
  62                 GlobalScope.launch(Dispatchers.Default) {
  63                     // TODO post result in DMaaP
  64                     val executionServiceOutput = doProcess(executionServiceInput)
  65                 }
  66                 response(executionServiceInput)
  67             }
  68             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_SYNC -> doProcess(executionServiceInput)
  69             else -> response(executionServiceInput, "Failed to process request, 'actionIdentifiers.mode' not specified. Valid value are: 'sync' or 'async'.", true)
  70         }
  71     }
  72
  73     private fun doProcess(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  74         val requestId = executionServiceInput.commonHeader.requestId
  75         log.info("processing request id $requestId")
  76
  77         val actionIdentifiers = executionServiceInput.actionIdentifiers
  78
  79         val blueprintName = actionIdentifiers.blueprintName
  80         val blueprintVersion = actionIdentifiers.blueprintVersion
  81
  82         val basePath = bluePrintCatalogService.getFromDatabase(blueprintName, blueprintVersion)
  83         log.info("blueprint base path $basePath")
  84
  85         val blueprintRuntimeService = BluePrintMetadataUtils.getBluePrintRuntime(requestId, basePath.toString())
  86
  87         return blueprintDGExecutionService.executeDirectedGraph(blueprintRuntimeService, executionServiceInput)
  88     }
  89
  90     fun response(executionServiceInput: ExecutionServiceInput, errorMessage: String = "", failure: Boolean = false): ExecutionServiceOutput {
  91         val executionServiceOutput = ExecutionServiceOutput()
  92         executionServiceOutput.commonHeader = executionServiceInput.commonHeader
  93         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
  94         executionServiceOutput.payload = executionServiceInput.payload
  95
  96         val status = Status()
  97         status.errorMessage = errorMessage
  98         if (failure) {
  99             status.eventType = "EVENT-COMPONENT-FAILURE"
 100             status.code = 500
 101             status.message = BluePrintConstants.STATUS_FAILURE
 102         } else {
 103             status.eventType = "EVENT-COMPONENT-PROCESSING"
 104             status.code = 200
 105             status.message = BluePrintConstants.STATUS_PROCESSING
 106         }
 107
 108         executionServiceOutput.status = status
 109
 110         return executionServiceOutput
 111     }
 112 }