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/*
* Copyright © 2019 IBM.
*
* 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.services.workflow
import com.fasterxml.jackson.databind.JsonNode
import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceOutput
import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.StepData
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BlueprintClusterService
import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintConstants
import org.onap.ccsdk.cds.controllerblueprints.core.asJsonPrimitive
import org.onap.ccsdk.cds.controllerblueprints.core.data.Implementation
import org.onap.ccsdk.cds.controllerblueprints.core.service.BlueprintDependencyService
import org.onap.ccsdk.cds.controllerblueprints.core.service.BlueprintRuntimeService
import org.slf4j.LoggerFactory
import org.springframework.stereotype.Service
@Service
open class NodeTemplateExecutionService(private val bluePrintClusterService: BlueprintClusterService) {
private val log = LoggerFactory.getLogger(NodeTemplateExecutionService::class.java)!!
suspend fun executeNodeTemplate(
bluePrintRuntimeService: BlueprintRuntimeService<*>,
stepName: String,
nodeTemplateName: String,
executionServiceInput: ExecutionServiceInput
): ExecutionServiceOutput {
// Get the Blueprint Context
val blueprintContext = bluePrintRuntimeService.bluePrintContext()
val nodeTemplate = blueprintContext.nodeTemplateByName(nodeTemplateName)
// Get the Component Name, NodeTemplate type is mapped to Component Name
val componentName = nodeTemplate.type
val interfaceName = blueprintContext.nodeTemplateFirstInterfaceName(nodeTemplateName)
val operationName = blueprintContext.nodeTemplateFirstInterfaceFirstOperationName(nodeTemplateName)
val nodeTemplateImplementation = blueprintContext
.nodeTemplateOperationImplementation(nodeTemplateName, interfaceName, operationName)
?: Implementation()
log.info(
"executing node template($nodeTemplateName) component($componentName) " +
"interface($interfaceName) operation($operationName) on host (${nodeTemplateImplementation.operationHost}) " +
"with timeout(${nodeTemplateImplementation.timeout}) sec."
)
// Get the Component Instance
val plugin = BlueprintDependencyService.instance<AbstractComponentFunction>(componentName)
// Set the Blueprint Services
plugin.bluePrintRuntimeService = bluePrintRuntimeService
plugin.bluePrintClusterService = bluePrintClusterService
plugin.stepName = stepName
plugin.nodeTemplateName = nodeTemplateName
// Parent request shouldn't tamper, so need to clone the request and send to the actual component.
val clonedExecutionServiceInput = ExecutionServiceInput().apply {
commonHeader = executionServiceInput.commonHeader
actionIdentifiers = executionServiceInput.actionIdentifiers
payload = executionServiceInput.payload
}
// Populate Step Meta Data
val stepInputs: MutableMap<String, JsonNode> = hashMapOf()
stepInputs[BlueprintConstants.PROPERTY_CURRENT_NODE_TEMPLATE] = nodeTemplateName.asJsonPrimitive()
stepInputs[BlueprintConstants.PROPERTY_CURRENT_INTERFACE] = interfaceName.asJsonPrimitive()
stepInputs[BlueprintConstants.PROPERTY_CURRENT_OPERATION] = operationName.asJsonPrimitive()
val stepInputData = StepData().apply {
name = stepName
properties = stepInputs
}
clonedExecutionServiceInput.stepData = stepInputData
// Get the Request from the Context and Set to the Function Input and Invoke the function
return plugin.applyNB(clonedExecutionServiceInput)
}
}
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