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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  *
   4  * Modifications Copyright © 2019 IBM, Bell Canada.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 package org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.processor
  20
  21 import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.CapabilityResourceSource
  22 import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR
  23 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.ComponentFunctionScriptingService
  24 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  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.ApplicationContext
  30 import org.springframework.context.annotation.Scope
  31 import org.springframework.stereotype.Service
  32
  33 @Service("${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-capability")
  34 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  35 open class CapabilityResourceResolutionProcessor(private val applicationContext: ApplicationContext,
  36                                                  private var componentFunctionScriptingService: ComponentFunctionScriptingService)
  37     : ResourceAssignmentProcessor() {
  38
  39     private val log = LoggerFactory.getLogger(CapabilityResourceResolutionProcessor::class.java)
  40
  41     var componentResourceAssignmentProcessor: ResourceAssignmentProcessor? = null
  42
  43     override fun getName(): String {
  44         return "${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-capability"
  45     }
  46
  47     override fun process(resourceAssignment: ResourceAssignment) {
  48
  49         val resourceDefinition = resourceDictionaries[resourceAssignment.dictionaryName]
  50                 ?: throw BluePrintProcessorException("couldn't get resource definition for ${resourceAssignment.dictionaryName}")
  51
  52         val resourceSource = resourceDefinition.sources[resourceAssignment.dictionarySource]
  53                 ?: throw BluePrintProcessorException("couldn't get resource definition " +
  54                         "${resourceAssignment.dictionaryName} source(${resourceAssignment.dictionarySource})")
  55
  56         val resourceSourceProps = checkNotNull(resourceSource.properties) { "failed to get $resourceSource properties" }
  57         /**
  58          * Get the Capability Resource Source Info from Property Definitions.
  59          */
  60         val capabilityResourceSourceProperty = JacksonUtils
  61                 .getInstanceFromMap(resourceSourceProps, CapabilityResourceSource::class.java)
  62
  63         val scriptType = capabilityResourceSourceProperty.scriptType
  64         val scriptClassReference = capabilityResourceSourceProperty.scriptClassReference
  65         val instanceDependencies = capabilityResourceSourceProperty.instanceDependencies ?: listOf()
  66
  67         componentResourceAssignmentProcessor = scriptInstance(scriptType, scriptClassReference, instanceDependencies)
  68
  69         checkNotNull(componentResourceAssignmentProcessor) {
  70             "failed to get capability resource assignment processor($scriptClassReference)"
  71         }
  72
  73         // Assign Current Blueprint runtime and ResourceDictionaries
  74         componentResourceAssignmentProcessor!!.raRuntimeService = raRuntimeService
  75         componentResourceAssignmentProcessor!!.resourceDictionaries = resourceDictionaries
  76
  77         // Invoke componentResourceAssignmentProcessor
  78         componentResourceAssignmentProcessor!!.apply(resourceAssignment)
  79     }
  80
  81     override fun recover(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
  82         log.info("Recovering for : ${resourceAssignment.name} : ${runtimeException.toString()}")
  83         if (componentResourceAssignmentProcessor != null) {
  84             componentResourceAssignmentProcessor!!.recover(runtimeException, resourceAssignment)
  85         }
  86     }
  87
  88     fun scriptInstance(scriptType: String, scriptClassReference: String, instanceDependencies: List<String>)
  89             : ResourceAssignmentProcessor {
  90
  91         log.info("creating resource resolution of script type($scriptType), reference name($scriptClassReference) and" +
  92                 "instanceDependencies($instanceDependencies)")
  93
  94         val scriptComponent = componentFunctionScriptingService
  95                 .scriptInstance<ResourceAssignmentProcessor>(raRuntimeService.bluePrintContext(), scriptType,
  96                         scriptClassReference)
  97
  98         instanceDependencies.forEach { instanceDependency ->
  99             scriptPropertyInstances[instanceDependency] = applicationContext
 100                     .getBean(instanceDependency)
 101         }
 102         return scriptComponent
 103     }
 104 }