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.fasterxml.jackson.databind.node.JsonNodeFactory
  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         when {
  65             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_ASYNC -> {
  66                 GlobalScope.launch(Dispatchers.Default) {
  67                     val executionServiceOutput = doProcess(executionServiceInput)
  68                     responseObserver.onNext(executionServiceOutput.toProto())
  69                     responseObserver.onCompleted()
  70                 }
  71                 responseObserver.onNext(response(executionServiceInput).toProto())
  72             }
  73             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_SYNC -> {
  74                 val executionServiceOutput = doProcess(executionServiceInput)
  75                 responseObserver.onNext(executionServiceOutput.toProto())
  76                 responseObserver.onCompleted()
  77             }
  78             else -> responseObserver.onNext(response(executionServiceInput,
  79                 "Failed to process request, 'actionIdentifiers.mode' not specified. Valid value are: 'sync' or 'async'.",
  80                 true).toProto());
  81         }
  82     }
  83
  84     fun processSync(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  85         return doProcess(executionServiceInput)
  86     }
  87
  88     private 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         return blueprintDGExecutionService.executeDirectedGraph(blueprintRuntimeService, executionServiceInput)
 103     }
 104
 105     private fun response(executionServiceInput: ExecutionServiceInput, errorMessage: String = "",
 106                          failure: Boolean = false): ExecutionServiceOutput {
 107         val executionServiceOutput = ExecutionServiceOutput()
 108         executionServiceOutput.commonHeader = executionServiceInput.commonHeader
 109         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
 110         executionServiceOutput.payload = JsonNodeFactory.instance.objectNode()
 111
 112         val status = Status()
 113         status.errorMessage = errorMessage
 114         if (failure) {
 115             status.eventType = "EVENT-COMPONENT-FAILURE"
 116             status.code = 500
 117             status.message = BluePrintConstants.STATUS_FAILURE
 118         } else {
 119             status.eventType = "EVENT-COMPONENT-PROCESSING"
 120             status.code = 200
 121             status.message = BluePrintConstants.STATUS_PROCESSING
 122         }
 123
 124         executionServiceOutput.status = status
 125
 126         return executionServiceOutput
 127     }
 128 }