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/*
* Copyright © 2018-2019 AT&T Intellectual Property.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.ccsdk.cds.blueprintsprocessor.functions.python.executor.scripts
import com.fasterxml.jackson.databind.JsonNode
import com.fasterxml.jackson.databind.node.ArrayNode
import org.apache.commons.io.FilenameUtils
import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.scripts.BlueprintJythonService
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
import org.onap.ccsdk.cds.controllerblueprints.core.checkNotEmpty
import org.onap.ccsdk.cds.controllerblueprints.core.data.OperationAssignment
import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BlueprintFunctionNode
import org.onap.ccsdk.cds.controllerblueprints.core.service.BluePrintContext
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import org.springframework.context.ApplicationContext
import org.springframework.stereotype.Service
import java.io.File
@Deprecated("CDS won't support JythonService")
@Service("blueprintJythonService")
class BlueprintJythonServiceImpl(
val pythonExecutorProperty: PythonExecutorProperty,
private val applicationContext: ApplicationContext
) : BlueprintJythonService {
val log: Logger = LoggerFactory.getLogger(BlueprintJythonService::class.java)
inline fun <reified T> jythonInstance(
blueprintContext: BluePrintContext,
pythonClassName: String,
content: String,
dependencyInstanceNames: MutableMap<String, Any>?
): T {
val blueprintBasePath: String = blueprintContext.rootPath
val pythonPath: MutableList<String> = arrayListOf()
pythonPath.add(blueprintBasePath)
pythonPath.addAll(pythonExecutorProperty.modulePaths)
val blueprintPythonConfigurations =
BluePrintPython(pythonExecutorProperty.executionPath, pythonPath, arrayListOf())
val blueprintPythonHost = BlueprintPythonHost(blueprintPythonConfigurations)
val pyObject = blueprintPythonHost.getPythonComponent(content, pythonClassName, dependencyInstanceNames)
log.info("Component Object {}", pyObject)
return pyObject.__tojava__(T::class.java) as T
}
override fun jythonComponentInstance(bluePrintContext: BluePrintContext, scriptClassReference: String):
BlueprintFunctionNode<*, *> {
val pythonFileName = bluePrintContext.rootPath
.plus(File.separator)
.plus(scriptClassReference)
val pythonClassName = FilenameUtils.getBaseName(pythonFileName)
log.info("Getting Jython Script Class($pythonClassName)")
val content: String = JacksonUtils.getContent(pythonFileName)
val jythonInstances: MutableMap<String, Any> = hashMapOf()
jythonInstances["log"] = LoggerFactory.getLogger(pythonClassName)
return jythonInstance<BlueprintFunctionNode<*, *>>(
bluePrintContext, pythonClassName,
content, jythonInstances
)
}
suspend fun jythonComponentInstance(abstractComponentFunction: AbstractComponentFunction): AbstractComponentFunction {
val bluePrintRuntimeService = abstractComponentFunction.bluePrintRuntimeService
val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
val nodeTemplateName: String = abstractComponentFunction.nodeTemplateName
val operationInputs: MutableMap<String, JsonNode> = abstractComponentFunction.operationInputs
val operationAssignment: OperationAssignment = bluePrintContext
.nodeTemplateInterfaceOperation(
abstractComponentFunction.nodeTemplateName,
abstractComponentFunction.interfaceName, abstractComponentFunction.operationName
)
val blueprintBasePath: String = bluePrintContext.rootPath
val artifactName: String = operationAssignment.implementation?.primary
?: throw BluePrintProcessorException("missing primary field to get artifact name for node template ($nodeTemplateName)")
val artifactDefinition =
bluePrintRuntimeService.resolveNodeTemplateArtifactDefinition(nodeTemplateName, artifactName)
val pythonFileName = artifactDefinition.file
?: throw BluePrintProcessorException("missing file name for node template ($nodeTemplateName)'s artifactName($artifactName)")
val pythonClassName = FilenameUtils.getBaseName(pythonFileName)
log.info("Getting Jython Script Class($pythonClassName)")
val content: String? = bluePrintRuntimeService.resolveNodeTemplateArtifact(nodeTemplateName, artifactName)
checkNotEmpty(content) { "artifact ($artifactName) content is empty" }
val pythonPath: MutableList<String> = operationAssignment.implementation?.dependencies ?: arrayListOf()
pythonPath.add(blueprintBasePath)
pythonPath.addAll(pythonExecutorProperty.modulePaths)
val jythonInstances: MutableMap<String, Any> = hashMapOf()
jythonInstances["log"] = LoggerFactory.getLogger(nodeTemplateName)
val instanceDependenciesNode: ArrayNode =
operationInputs[PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES] as? ArrayNode
?: throw BluePrintProcessorException("Failed to get property(${PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES})")
instanceDependenciesNode.forEach { instanceName ->
jythonInstances[instanceName.textValue()] = applicationContext.getBean(instanceName.textValue())
}
val scriptComponentFunction = jythonInstance<AbstractComponentFunction>(
bluePrintContext, pythonClassName,
content!!, jythonInstances
)
return scriptComponentFunction
}
}
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