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

   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 com.google.protobuf.Struct
  20 import io.grpc.stub.StreamObserver
  21 import kotlinx.coroutines.Dispatchers
  22 import kotlinx.coroutines.GlobalScope
  23 import kotlinx.coroutines.launch
  24 import org.onap.ccsdk.apps.blueprintsprocessor.core.BluePrintCoreConfiguration
  25 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ACTION_MODE_ASYNC
  26 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ACTION_MODE_SYNC
  27 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
  28 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput
  29 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.Status
  30 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.saveCBAFile
  31 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.toProto
  32 import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintDGExecutionService
  33 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  34 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
  35 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintCatalogService
  36 import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintFileUtils
  37 import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintMetadataUtils
  38 import org.slf4j.LoggerFactory
  39 import org.springframework.http.codec.multipart.FilePart
  40 import org.springframework.stereotype.Service
  41 import reactor.core.publisher.Mono
  42
  43 @Service
  44 class ExecutionServiceHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  45                               private val bluePrintCatalogService: BluePrintCatalogService,
  46                               private val blueprintDGExecutionService: BlueprintDGExecutionService) {
  47
  48     private val log = LoggerFactory.getLogger(ExecutionServiceHandler::class.toString())
  49
  50     fun upload(filePart: FilePart): Mono<String> {
  51         try {
  52             val archivedPath = BluePrintFileUtils.getCbaStorageDirectory(bluePrintCoreConfiguration.archivePath)
  53             val cbaPath = saveCBAFile(filePart, archivedPath)
  54             bluePrintCatalogService.saveToDatabase(cbaPath.toFile()).let {
  55                 return Mono.just("{\"status\": \"Successfully uploaded blueprint with id($it)\"}")
  56             }
  57         } catch (e: Exception) {
  58             return Mono.error<String>(BluePrintException("Error uploading the CBA file.", e))
  59         }
  60     }
  61
  62     fun process(executionServiceInput: ExecutionServiceInput,
  63                 responseObserver: StreamObserver<org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput>,
  64                 inputPayload: Struct) {
  65         when {
  66             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_ASYNC -> {
  67                 GlobalScope.launch(Dispatchers.Default) {
  68                     val executionServiceOutput = doProcess(executionServiceInput)
  69                     responseObserver.onNext(executionServiceOutput.toProto(inputPayload))
  70                     responseObserver.onCompleted()
  71                 }
  72                 responseObserver.onNext(response(executionServiceInput).toProto(inputPayload))
  73             }
  74             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_SYNC -> {
  75                 val executionServiceOutput = doProcess(executionServiceInput)
  76                 responseObserver.onNext(executionServiceOutput.toProto(inputPayload))
  77                 responseObserver.onCompleted()
  78             }
  79             else -> responseObserver.onNext(response(executionServiceInput,
  80                 "Failed to process request, 'actionIdentifiers.mode' not specified. Valid value are: 'sync' or 'async'.",
  81                 true).toProto(inputPayload));
  82         }
  83     }
  84
  85     fun processSync(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  86         return doProcess(executionServiceInput)
  87     }
  88
  89     private fun doProcess(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  90         val requestId = executionServiceInput.commonHeader.requestId
  91         log.info("processing request id $requestId")
  92
  93         val actionIdentifiers = executionServiceInput.actionIdentifiers
  94
  95         val blueprintName = actionIdentifiers.blueprintName
  96         val blueprintVersion = actionIdentifiers.blueprintVersion
  97
  98         val basePath = bluePrintCatalogService.getFromDatabase(blueprintName, blueprintVersion)
  99         log.info("blueprint base path $basePath")
 100
 101         val blueprintRuntimeService = BluePrintMetadataUtils.getBluePrintRuntime(requestId, basePath.toString())
 102
 103         return blueprintDGExecutionService.executeDirectedGraph(blueprintRuntimeService, executionServiceInput)
 104     }
 105
 106     private fun response(executionServiceInput: ExecutionServiceInput, errorMessage: String = "",
 107                          failure: Boolean = false): ExecutionServiceOutput {
 108         val executionServiceOutput = ExecutionServiceOutput()
 109         executionServiceOutput.commonHeader = executionServiceInput.commonHeader
 110         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
 111         executionServiceOutput.payload = executionServiceInput.payload
 112
 113         val status = Status()
 114         status.errorMessage = errorMessage
 115         if (failure) {
 116             status.eventType = "EVENT-COMPONENT-FAILURE"
 117             status.code = 500
 118             status.message = BluePrintConstants.STATUS_FAILURE
 119         } else {
 120             status.eventType = "EVENT-COMPONENT-PROCESSING"
 121             status.code = 200
 122             status.message = BluePrintConstants.STATUS_PROCESSING
 123         }
 124
 125         executionServiceOutput.status = status
 126
 127         return executionServiceOutput
 128     }
 129 }