ms/blueprintsprocessor/functions/python-executor/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/functions/python/executor/scripts/BlueprintJythonServiceImpl.kt

   1 /*
   2  * Copyright © 2018-2019 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 package org.onap.ccsdk.cds.blueprintsprocessor.functions.python.executor.scripts
  17
  18 import com.fasterxml.jackson.databind.JsonNode
  19 import com.fasterxml.jackson.databind.node.ArrayNode
  20 import org.apache.commons.io.FilenameUtils
  21 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
  22 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.scripts.BlueprintJythonService
  23 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  24 import org.onap.ccsdk.cds.controllerblueprints.core.checkNotEmpty
  25 import org.onap.ccsdk.cds.controllerblueprints.core.data.OperationAssignment
  26 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BlueprintFunctionNode
  27 import org.onap.ccsdk.cds.controllerblueprints.core.service.BluePrintContext
  28 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  29 import org.slf4j.Logger
  30 import org.slf4j.LoggerFactory
  31 import org.springframework.context.ApplicationContext
  32 import org.springframework.stereotype.Service
  33 import java.io.File
  34
  35 @Deprecated("CDS won't support JythonService")
  36 @Service("blueprintJythonService")
  37 class BlueprintJythonServiceImpl(
  38     val pythonExecutorProperty: PythonExecutorProperty,
  39     private val applicationContext: ApplicationContext
  40 ) : BlueprintJythonService {
  41
  42     val log: Logger = LoggerFactory.getLogger(BlueprintJythonService::class.java)
  43
  44     inline fun <reified T> jythonInstance(
  45         blueprintContext: BluePrintContext,
  46         pythonClassName: String,
  47         content: String,
  48         dependencyInstanceNames: MutableMap<String, Any>?
  49     ): T {
  50
  51         val blueprintBasePath: String = blueprintContext.rootPath
  52         val pythonPath: MutableList<String> = arrayListOf()
  53         pythonPath.add(blueprintBasePath)
  54         pythonPath.addAll(pythonExecutorProperty.modulePaths)
  55
  56         val blueprintPythonConfigurations =
  57             BluePrintPython(pythonExecutorProperty.executionPath, pythonPath, arrayListOf())
  58
  59         val blueprintPythonHost = BlueprintPythonHost(blueprintPythonConfigurations)
  60         val pyObject = blueprintPythonHost.getPythonComponent(content, pythonClassName, dependencyInstanceNames)
  61
  62         log.info("Component Object {}", pyObject)
  63
  64         return pyObject.__tojava__(T::class.java) as T
  65     }
  66
  67     override fun jythonComponentInstance(bluePrintContext: BluePrintContext, scriptClassReference: String):
  68         BlueprintFunctionNode<*, *> {
  69
  70             val pythonFileName = bluePrintContext.rootPath
  71                 .plus(File.separator)
  72                 .plus(scriptClassReference)
  73
  74             val pythonClassName = FilenameUtils.getBaseName(pythonFileName)
  75             log.info("Getting Jython Script Class($pythonClassName)")
  76
  77             val content: String = JacksonUtils.getContent(pythonFileName)
  78
  79             val jythonInstances: MutableMap<String, Any> = hashMapOf()
  80             jythonInstances["log"] = LoggerFactory.getLogger(pythonClassName)
  81
  82             return jythonInstance<BlueprintFunctionNode<*, *>>(
  83                 bluePrintContext, pythonClassName,
  84                 content, jythonInstances
  85             )
  86         }
  87
  88     suspend fun jythonComponentInstance(abstractComponentFunction: AbstractComponentFunction): AbstractComponentFunction {
  89
  90         val bluePrintRuntimeService = abstractComponentFunction.bluePrintRuntimeService
  91         val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
  92         val nodeTemplateName: String = abstractComponentFunction.nodeTemplateName
  93         val operationInputs: MutableMap<String, JsonNode> = abstractComponentFunction.operationInputs
  94
  95         val operationAssignment: OperationAssignment = bluePrintContext
  96             .nodeTemplateInterfaceOperation(
  97                 abstractComponentFunction.nodeTemplateName,
  98                 abstractComponentFunction.interfaceName, abstractComponentFunction.operationName
  99             )
 100
 101         val blueprintBasePath: String = bluePrintContext.rootPath
 102
 103         val artifactName: String = operationAssignment.implementation?.primary
 104             ?: throw BluePrintProcessorException("missing primary field to get artifact name for node template ($nodeTemplateName)")
 105
 106         val artifactDefinition =
 107             bluePrintRuntimeService.resolveNodeTemplateArtifactDefinition(nodeTemplateName, artifactName)
 108
 109         val pythonFileName = artifactDefinition.file
 110             ?: throw BluePrintProcessorException("missing file name for node template ($nodeTemplateName)'s artifactName($artifactName)")
 111
 112         val pythonClassName = FilenameUtils.getBaseName(pythonFileName)
 113         log.info("Getting Jython Script Class($pythonClassName)")
 114
 115         val content: String? = bluePrintRuntimeService.resolveNodeTemplateArtifact(nodeTemplateName, artifactName)
 116
 117         checkNotEmpty(content) { "artifact ($artifactName) content is empty" }
 118
 119         val pythonPath: MutableList<String> = operationAssignment.implementation?.dependencies ?: arrayListOf()
 120         pythonPath.add(blueprintBasePath)
 121         pythonPath.addAll(pythonExecutorProperty.modulePaths)
 122
 123         val jythonInstances: MutableMap<String, Any> = hashMapOf()
 124         jythonInstances["log"] = LoggerFactory.getLogger(nodeTemplateName)
 125
 126         val instanceDependenciesNode: ArrayNode =
 127             operationInputs[PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES] as? ArrayNode
 128                 ?: throw BluePrintProcessorException("Failed to get property(${PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES})")
 129
 130         instanceDependenciesNode.forEach { instanceName ->
 131             jythonInstances[instanceName.textValue()] = applicationContext.getBean(instanceName.textValue())
 132         }
 133
 134         val scriptComponentFunction = jythonInstance<AbstractComponentFunction>(
 135             bluePrintContext, pythonClassName,
 136             content!!, jythonInstances
 137         )
 138
 139         return scriptComponentFunction
 140     }
 141 }