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

   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.apps.blueprintsprocessor.functions.resource.resolution.processor
  20
  21 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.CapabilityResourceSource
  22 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR
  23 import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.scripts.BlueprintJythonService
  24 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  25 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
  26 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintScriptsService
  27 import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
  28 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment
  29 import org.slf4j.LoggerFactory
  30 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  31 import org.springframework.context.ApplicationContext
  32 import org.springframework.context.annotation.Scope
  33 import org.springframework.stereotype.Service
  34 import java.io.File
  35
  36 @Service("${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-capability")
  37 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  38 open class CapabilityResourceResolutionProcessor(private var applicationContext: ApplicationContext,
  39                                                  private val bluePrintScriptsService: BluePrintScriptsService,
  40                                                  private val bluePrintJythonService: BlueprintJythonService) :
  41         ResourceAssignmentProcessor() {
  42
  43     override fun getName(): String {
  44         return "${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 $resourceSource properties" }
  57         /**
  58          * Get the Capability Resource Source Info from Property Definitions.
  59          */
  60         val capabilityResourceSourceProperty = JacksonUtils
  61                 .getInstanceFromMap(resourceSourceProps, CapabilityResourceSource::class.java)
  62
  63         val scriptType = capabilityResourceSourceProperty.scriptType
  64         val scriptClassReference = capabilityResourceSourceProperty.scriptClassReference
  65
  66         var componentResourceAssignmentProcessor: ResourceAssignmentProcessor? = null
  67
  68         when (scriptType) {
  69             BluePrintConstants.SCRIPT_KOTLIN -> {
  70                 componentResourceAssignmentProcessor = getKotlinResourceAssignmentProcessorInstance(scriptClassReference,
  71                         capabilityResourceSourceProperty.instanceDependencies)
  72             }
  73             BluePrintConstants.SCRIPT_INTERNAL -> {
  74                 // Initialize Capability Resource Assignment Processor
  75                 componentResourceAssignmentProcessor = applicationContext.getBean(scriptClassReference, ResourceAssignmentProcessor::class.java)
  76             }
  77             BluePrintConstants.SCRIPT_JYTHON -> {
  78                 val content = getJythonContent(scriptClassReference)
  79                 componentResourceAssignmentProcessor = getJythonResourceAssignmentProcessorInstance(scriptClassReference,
  80                         content, capabilityResourceSourceProperty.instanceDependencies)
  81             }
  82         }
  83
  84         checkNotNull(componentResourceAssignmentProcessor) { "failed to get capability resource assignment processor($scriptClassReference)" }
  85
  86         // Assign Current Blueprint runtime and ResourceDictionaries
  87         componentResourceAssignmentProcessor.raRuntimeService = raRuntimeService
  88         componentResourceAssignmentProcessor.resourceDictionaries = resourceDictionaries
  89
  90         // Invoke componentResourceAssignmentProcessor
  91         componentResourceAssignmentProcessor.apply(resourceAssignment)
  92     }
  93
  94     override fun recover(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
  95
  96         TODO("To Implement")
  97     }
  98
  99     private fun getKotlinResourceAssignmentProcessorInstance(scriptClassName: String,
 100                                                              instanceNames: List<String>? = null): ResourceAssignmentProcessor {
 101         var scriptPropertyInstances: MutableMap<String, Any>? = null
 102
 103         if (instanceNames != null && instanceNames.isNotEmpty()) {
 104             scriptPropertyInstances = hashMapOf()
 105             instanceNames.forEach {
 106                 scriptPropertyInstances[it] = applicationContext.getBean(it)
 107                         ?: throw BluePrintProcessorException("couldn't get the dependency instance($it)")
 108             }
 109         }
 110
 111         return getKotlinResourceAssignmentProcessorInstance(scriptClassName, scriptPropertyInstances)
 112
 113     }
 114
 115     fun getKotlinResourceAssignmentProcessorInstance(scriptClassName: String,
 116                                                      scriptPropertyInstances: MutableMap<String, Any>? = null):
 117             ResourceAssignmentProcessor {
 118
 119         val resourceAssignmentProcessor = bluePrintScriptsService
 120                 .scriptInstance<ResourceAssignmentProcessor>(raRuntimeService.bluePrintContext(),
 121                         scriptClassName, false)
 122
 123         // Add additional Instance
 124         if (scriptPropertyInstances != null) {
 125             resourceAssignmentProcessor.scriptPropertyInstances = scriptPropertyInstances
 126         }
 127
 128         return resourceAssignmentProcessor
 129     }
 130
 131     private fun getJythonContent(instanceName: String): String {
 132         val absolutePath = raRuntimeService.bluePrintContext().rootPath
 133                 .plus(File.separator)
 134                 .plus(BluePrintConstants.TOSCA_SCRIPTS_JYTHON_DIR)
 135                 .plus(File.separator)
 136                 .plus("$instanceName.py")
 137
 138         return JacksonUtils.getContent(absolutePath)
 139
 140     }
 141
 142     /**
 143      * getJythonResourceAssignmentProcessorInstance Purpose: prepare the jython
 144      * executor component as a resource assignment processor
 145      *
 146      * @param pythonClassName String
 147      * @param content String
 148      * @param dependencyInstances List<String>
 149      * @return resourceAssignmentProcessor ResourceAssignmentProcessor
 150      */
 151     private fun getJythonResourceAssignmentProcessorInstance(pythonClassName: String, content: String,
 152                                                              dependencyInstances: List<String>?):
 153             ResourceAssignmentProcessor {
 154         val jythonContextInstance: MutableMap<String, Any> = hashMapOf()
 155         jythonContextInstance["log"] = LoggerFactory.getLogger(pythonClassName)
 156         jythonContextInstance["raRuntimeService"] = raRuntimeService
 157         dependencyInstances?.forEach { instanceName ->
 158             jythonContextInstance[instanceName] = applicationContext.getBean(instanceName)
 159         }
 160
 161         return getJythonResourceAssignmentProcessorInstance(pythonClassName, content, jythonContextInstance)
 162     }
 163
 164     fun getJythonResourceAssignmentProcessorInstance(pythonClassName: String, content: String,
 165                                                      dependencyInstances: MutableMap<String, Any>):
 166             ResourceAssignmentProcessor {
 167
 168         val resourceAssignmentProcessor = bluePrintJythonService
 169                 .jythonInstance<ResourceAssignmentProcessor>(raRuntimeService.bluePrintContext(), pythonClassName,
 170                         content, dependencyInstances)
 171
 172         // Add additional Instance
 173         if (dependencyInstances != null) {
 174             resourceAssignmentProcessor.scriptPropertyInstances = dependencyInstances
 175         }
 176
 177         return resourceAssignmentProcessor
 178     }
 179 }