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 com.google.protobuf.Struct
  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.apps.blueprintsprocessor.core.BluePrintCoreConfiguration
  26 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ACTION_MODE_ASYNC
  27 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ACTION_MODE_SYNC
  28 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
  29 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput
  30 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.Status
  31 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.saveCBAFile
  32 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.toProto
  33 import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintDGExecutionService
  34 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  35 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
  36 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintCatalogService
  37 import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintFileUtils
  38 import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintMetadataUtils
  39 import org.slf4j.LoggerFactory
  40 import org.springframework.http.codec.multipart.FilePart
  41 import org.springframework.stereotype.Service
  42 import reactor.core.publisher.Mono
  43
  44 @Service
  45 class ExecutionServiceHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  46                               private val bluePrintCatalogService: BluePrintCatalogService,
  47                               private val blueprintDGExecutionService: BlueprintDGExecutionService) {
  48
  49     private val log = LoggerFactory.getLogger(ExecutionServiceHandler::class.toString())
  50
  51     fun upload(filePart: FilePart): Mono<String> {
  52         try {
  53             val archivedPath = BluePrintFileUtils.getCbaStorageDirectory(bluePrintCoreConfiguration.archivePath)
  54             val cbaPath = saveCBAFile(filePart, archivedPath)
  55             bluePrintCatalogService.saveToDatabase(cbaPath.toFile()).let {
  56                 return Mono.just("{\"status\": \"Successfully uploaded blueprint with id($it)\"}")
  57             }
  58         } catch (e: Exception) {
  59             return Mono.error<String>(BluePrintException("Error uploading the CBA file.", e))
  60         }
  61     }
  62
  63     fun process(executionServiceInput: ExecutionServiceInput,
  64                 responseObserver: StreamObserver<org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput>,
  65                 inputPayload: Struct) {
  66         when {
  67             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_ASYNC -> {
  68                 GlobalScope.launch(Dispatchers.Default) {
  69                     val executionServiceOutput = doProcess(executionServiceInput)
  70                     responseObserver.onNext(executionServiceOutput.toProto())
  71                     responseObserver.onCompleted()
  72                 }
  73                 responseObserver.onNext(response(executionServiceInput).toProto())
  74             }
  75             executionServiceInput.actionIdentifiers.mode == ACTION_MODE_SYNC -> {
  76                 val executionServiceOutput = doProcess(executionServiceInput)
  77                 responseObserver.onNext(executionServiceOutput.toProto())
  78                 responseObserver.onCompleted()
  79             }
  80             else -> responseObserver.onNext(response(executionServiceInput,
  81                 "Failed to process request, 'actionIdentifiers.mode' not specified. Valid value are: 'sync' or 'async'.",
  82                 true).toProto());
  83         }
  84     }
  85
  86     fun processSync(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  87         return doProcess(executionServiceInput)
  88     }
  89
  90     private fun doProcess(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
  91         val requestId = executionServiceInput.commonHeader.requestId
  92         log.info("processing request id $requestId")
  93
  94         val actionIdentifiers = executionServiceInput.actionIdentifiers
  95
  96         val blueprintName = actionIdentifiers.blueprintName
  97         val blueprintVersion = actionIdentifiers.blueprintVersion
  98
  99         val basePath = bluePrintCatalogService.getFromDatabase(blueprintName, blueprintVersion)
 100         log.info("blueprint base path $basePath")
 101
 102         val blueprintRuntimeService = BluePrintMetadataUtils.getBluePrintRuntime(requestId, basePath.toString())
 103
 104         return blueprintDGExecutionService.executeDirectedGraph(blueprintRuntimeService, executionServiceInput)
 105     }
 106
 107     private fun response(executionServiceInput: ExecutionServiceInput, errorMessage: String = "",
 108                          failure: Boolean = false): ExecutionServiceOutput {
 109         val executionServiceOutput = ExecutionServiceOutput()
 110         executionServiceOutput.commonHeader = executionServiceInput.commonHeader
 111         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
 112         executionServiceOutput.payload = JsonNodeFactory.instance.objectNode()
 113
 114         val status = Status()
 115         status.errorMessage = errorMessage
 116         if (failure) {
 117             status.eventType = "EVENT-COMPONENT-FAILURE"
 118             status.code = 500
 119             status.message = BluePrintConstants.STATUS_FAILURE
 120         } else {
 121             status.eventType = "EVENT-COMPONENT-PROCESSING"
 122             status.code = 200
 123             status.message = BluePrintConstants.STATUS_PROCESSING
 124         }
 125
 126         executionServiceOutput.status = status
 127
 128         return executionServiceOutput
 129     }
 130 }