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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
*
* Modifications Copyright © 2019 IBM, Bell Canada.
*
* 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
import com.fasterxml.jackson.databind.node.ArrayNode
import org.apache.commons.io.FilenameUtils
import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
import org.onap.ccsdk.cds.blueprintsprocessor.functions.python.executor.scripts.BlueprintJythonServiceImpl
import org.onap.ccsdk.cds.blueprintsprocessor.functions.python.executor.scripts.PythonExecutorConstants
import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintConstants
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.slf4j.LoggerFactory
import org.springframework.beans.factory.config.ConfigurableBeanFactory
import org.springframework.context.ApplicationContext
import org.springframework.context.annotation.Scope
import org.springframework.stereotype.Component
@Component("component-jython-executor")
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
open class ComponentJythonExecutor(
private var applicationContext: ApplicationContext,
private val blueprintJythonService: BlueprintJythonServiceImpl
) : AbstractComponentFunction() {
private val log = LoggerFactory.getLogger(ComponentJythonExecutor::class.java)
private lateinit var componentFunction: JythonComponentFunction
override suspend fun processNB(executionRequest: ExecutionServiceInput) {
log.info("Processing : $operationInputs")
// Populate Component Instance
populateJythonComponentInstance()
// Invoke Jython Component Script
componentFunction.executeScript(executionServiceInput)
}
override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
addError("Failed in ComponentJythonExecutor : ${runtimeException.message}")
}
private suspend fun populateJythonComponentInstance() {
val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
val operationAssignment: OperationAssignment = bluePrintContext
.nodeTemplateInterfaceOperation(nodeTemplateName, interfaceName, operationName)
val artifactName: String = operationAssignment.implementation?.primary
?: throw BlueprintProcessorException("missing primary field to get artifact name for node template ($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)
val content: String? = bluePrintRuntimeService.resolveNodeTemplateArtifact(nodeTemplateName, artifactName)
checkNotEmpty(content) { "artifact ($artifactName) content is empty" }
val instanceDependenciesNode: ArrayNode = operationInputs[PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES] as? ArrayNode
?: throw BlueprintProcessorException("Failed to get property(${PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES})")
val jythonInstance: MutableMap<String, Any> = hashMapOf()
jythonInstance["log"] = LoggerFactory.getLogger(pythonClassName)
jythonInstance["bluePrintRuntimeService"] = bluePrintRuntimeService
instanceDependenciesNode.forEach { instanceName ->
jythonInstance[instanceName.textValue()] = applicationContext.getBean(instanceName.textValue())
}
// Setup componentFunction
componentFunction = blueprintJythonService.jythonInstance(bluePrintContext, pythonClassName, content!!, jythonInstance)
componentFunction.bluePrintRuntimeService = bluePrintRuntimeService
componentFunction.executionServiceInput = executionServiceInput
componentFunction.stepName = stepName
componentFunction.interfaceName = interfaceName
componentFunction.operationName = operationName
componentFunction.processId = processId
componentFunction.workflowName = workflowName
componentFunction.scriptType = BlueprintConstants.SCRIPT_JYTHON
}
}
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