ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/functions/resource/resolution/processor/InputResourceResolutionProcessor.kt

   1 /*
   2  *  Copyright © 2017-2018 AT&T Intellectual Property.
   3  *  Modifications Copyright © 2018 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.functions.resource.resolution.processor
  19
  20 import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.DatabaseResourceSource
  21 import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR
  22 import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
  23 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  24 import org.onap.ccsdk.cds.controllerblueprints.core.isNotEmpty
  25 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  26 import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment
  27 import org.slf4j.LoggerFactory
  28 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  29 import org.springframework.context.annotation.Scope
  30 import org.springframework.stereotype.Service
  31
  32 /**
  33  * InputResourceResolutionProcessor
  34  *
  35  * @author Kapil Singal
  36  */
  37 @Service("${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-input")
  38 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  39 open class InputResourceResolutionProcessor : ResourceAssignmentProcessor() {
  40     companion object InputResourceResolutionProcessor {
  41         private val logger = LoggerFactory.getLogger(InputResourceResolutionProcessor::class.toString())
  42     }
  43
  44     override fun getName(): String {
  45         return "${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-input"
  46     }
  47
  48     override suspend fun processNB(resourceAssignment: ResourceAssignment) {
  49         try {
  50             if (isNotEmpty(resourceAssignment.name) && !setFromInput(resourceAssignment)) {
  51                 setFromKeyDependencies(resourceAssignment)
  52             }
  53             // Check the value has populated for mandatory case
  54             ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
  55         } catch (e: BluePrintProcessorException) {
  56             val errorMsg = "Failed to process input resource resolution in template key ($resourceAssignment) assignments."
  57             ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
  58             logger.error(errorMsg)
  59         } catch (e: Exception) {
  60             ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
  61             throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with : (${e.message})", e)
  62         }
  63     }
  64
  65     // usecase: where input data attribute doesn't match with resourceName, and needs an alternate mapping provided under key-dependencies.
  66     open fun setFromKeyDependencies(resourceAssignment: ResourceAssignment) {
  67         val dName = resourceAssignment.dictionaryName!!
  68         val dSource = resourceAssignment.dictionarySource!!
  69         val resourceDefinition = resourceDefinition(dName)
  70
  71         /** Check Resource Assignment has the source definitions, If not get from Resource Definition **/
  72         val resourceSource = resourceAssignment.dictionarySourceDefinition
  73             ?: resourceDefinition?.sources?.get(dSource)
  74             ?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)")
  75         try {
  76
  77             val resourceSourceProperties = checkNotNull(resourceSource.properties) {
  78                 "failed to get source properties for $dName "
  79             }
  80             val sourceProperties =
  81                 JacksonUtils.getInstanceFromMap(resourceSourceProperties, DatabaseResourceSource::class.java)
  82
  83             val keyDependency = checkNotNull(sourceProperties.keyDependencies) {
  84                 "failed to get input-key-mappings for $dName under $dSource properties"
  85             }
  86             // keyDependency = service-instance.service-instance-id
  87             setFromInputKeyDependencies(keyDependency, resourceAssignment); // New API which picks attribute from Input
  88         } catch (e: IllegalStateException) {
  89             throw BluePrintProcessorException(e)
  90         }
  91     }
  92
  93     override suspend fun recoverNB(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
  94         addError(runtimeException.message!!)
  95     }
  96 }