/* * Copyright © 2018 IBM. * Modifications Copyright © 2017-2019 AT&T, 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.resource.resolution.processor import com.fasterxml.jackson.databind.node.ArrayNode import com.fasterxml.jackson.databind.node.MissingNode import com.fasterxml.jackson.databind.node.NullNode import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.RestResourceSource import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.BluePrintRestLibPropertyService import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.BlueprintWebClientService import org.onap.ccsdk.cds.controllerblueprints.core.* import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment import org.slf4j.LoggerFactory import org.springframework.beans.factory.config.ConfigurableBeanFactory import org.springframework.context.annotation.Scope import org.springframework.stereotype.Service /** * RestResourceResolutionProcessor * * @author Kapil Singal */ @Service("${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-rest") @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE) open class RestResourceResolutionProcessor(private val blueprintRestLibPropertyService: BluePrintRestLibPropertyService) : ResourceAssignmentProcessor() { private val logger = LoggerFactory.getLogger(RestResourceResolutionProcessor::class.java) override fun getName(): String { return "${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-rest" } override suspend fun processNB(resourceAssignment: ResourceAssignment) { try { validate(resourceAssignment) // Check if It has Input val value = getFromInput(resourceAssignment) if (value == null || value is MissingNode || value is NullNode) { val dName = resourceAssignment.dictionaryName val dSource = resourceAssignment.dictionarySource val resourceDefinition = resourceDictionaries[dName] ?: throw BluePrintProcessorException("couldn't get resource dictionary definition for $dName") val resourceSource = resourceDefinition.sources[dSource] ?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)") val resourceSourceProperties = checkNotNull(resourceSource.properties) { "failed to get source properties for $dName " } val sourceProperties = JacksonUtils.getInstanceFromMap(resourceSourceProperties, RestResourceSource::class.java) val path = nullToEmpty(sourceProperties.path) val inputKeyMapping = checkNotNull(sourceProperties.inputKeyMapping) { "failed to get input-key-mappings for $dName under $dSource properties" } val resolvedInputKeyMapping = resolveInputKeyMappingVariables(inputKeyMapping).toMutableMap() // Resolving content Variables val payload = resolveFromInputKeyMapping(nullToEmpty(sourceProperties.payload), resolvedInputKeyMapping) val urlPath = resolveFromInputKeyMapping(checkNotNull(sourceProperties.urlPath), resolvedInputKeyMapping) val verb = resolveFromInputKeyMapping(nullToEmpty(sourceProperties.verb), resolvedInputKeyMapping) logger.info("$dSource dictionary information : ($urlPath), ($inputKeyMapping), (${sourceProperties.outputKeyMapping})") // Get the Rest Client Service val restClientService = blueprintWebClientService(resourceAssignment, sourceProperties) val response = restClientService.exchangeResource(verb, urlPath, payload) val responseStatusCode = response.status val responseBody = response.body val outputKeyMapping = sourceProperties.outputKeyMapping if (responseStatusCode in 200..299 && outputKeyMapping.isNullOrEmpty()) { logger.info("AS>> outputKeyMapping==null, will not populateResource") } else if (responseStatusCode in 200..299 && !responseBody.isBlank()) { populateResource(resourceAssignment, sourceProperties, responseBody, path) } else { val errMsg = "Failed to get $dSource result for dictionary name ($dName) using urlPath ($urlPath) response_code: ($responseStatusCode)" logger.warn(errMsg) throw BluePrintProcessorException(errMsg) } } // Check the value has populated for mandatory case ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment) } catch (e: Exception) { ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message) throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}", e) } } fun blueprintWebClientService(resourceAssignment: ResourceAssignment, restResourceSource: RestResourceSource): BlueprintWebClientService { return if (isNotEmpty(restResourceSource.endpointSelector)) { val restPropertiesJson = raRuntimeService.resolveDSLExpression(restResourceSource.endpointSelector!!) blueprintRestLibPropertyService.blueprintWebClientService(restPropertiesJson) } else { blueprintRestLibPropertyService.blueprintWebClientService(resourceAssignment.dictionarySource!!) } } @Throws(BluePrintProcessorException::class) private fun populateResource(resourceAssignment: ResourceAssignment, sourceProperties: RestResourceSource, restResponse: String, path: String) { val dName = resourceAssignment.dictionaryName val dSource = resourceAssignment.dictionarySource val type = nullToEmpty(resourceAssignment.property?.type) lateinit var entrySchemaType: String val outputKeyMapping = checkNotNull(sourceProperties.outputKeyMapping) { "failed to get output-key-mappings for $dName under $dSource properties" } logger.info("Response processing type($type)") val responseNode = checkNotNull(JacksonUtils.jsonNode(restResponse).at(path)) { "Failed to find path ($path) in response ($restResponse)" } logger.info("populating value for output mapping ($outputKeyMapping), from json ($responseNode)") when (type) { in BluePrintTypes.validPrimitiveTypes() -> { logger.info("For template key (${resourceAssignment.name}) setting value as ($responseNode)") ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, responseNode) } in BluePrintTypes.validCollectionTypes() -> { // Array Types entrySchemaType = checkNotEmpty(resourceAssignment.property?.entrySchema?.type) { "Entry schema is not defined for dictionary ($dName) info" } val arrayNode = JacksonUtils.objectMapper.createArrayNode() if (entrySchemaType !in BluePrintTypes.validPrimitiveTypes()) { val responseArrayNode = responseNode.toList() for (responseSingleJsonNode in responseArrayNode) { val arrayChildNode = JacksonUtils.objectMapper.createObjectNode() outputKeyMapping.map { val responseKeyValue = responseSingleJsonNode.get(it.key) val propertyTypeForDataType = ResourceAssignmentUtils .getPropertyType(raRuntimeService, entrySchemaType, it.key) logger.info("For List Type Resource: key (${it.key}), value ($responseKeyValue), " + "type ({$propertyTypeForDataType})") JacksonUtils.populateJsonNodeValues(it.value, responseKeyValue, propertyTypeForDataType, arrayChildNode) } arrayNode.add(arrayChildNode) } } logger.info("For template key (${resourceAssignment.name}) setting value as ($arrayNode)") // Set the List of Complex Values ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, arrayNode) } else -> { // Complex Types entrySchemaType = checkNotEmpty(resourceAssignment.property?.type) { "Entry schema is not defined for dictionary ($dName) info" } val objectNode = JacksonUtils.objectMapper.createObjectNode() outputKeyMapping.map { val responseKeyValue = responseNode.get(it.key) val propertyTypeForDataType = ResourceAssignmentUtils .getPropertyType(raRuntimeService, entrySchemaType, it.key) logger.info("For List Type Resource: key (${it.key}), value ($responseKeyValue), type ({$propertyTypeForDataType})") JacksonUtils.populateJsonNodeValues(it.value, responseKeyValue, propertyTypeForDataType, objectNode) } logger.info("For template key (${resourceAssignment.name}) setting value as ($objectNode)") // Set the List of Complex Values ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, objectNode) } } } @Throws(BluePrintProcessorException::class) private fun validate(resourceAssignment: ResourceAssignment) { checkNotEmpty(resourceAssignment.name) { "resource assignment template key is not defined" } checkNotEmpty(resourceAssignment.dictionaryName) { "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})" } checkNotEmpty(resourceAssignment.dictionarySource) { "resource assignment dictionary source is not defined for template key (${resourceAssignment.name})" } } override suspend fun recoverNB(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) { raRuntimeService.getBluePrintError().addError(runtimeException.message!!) } }