ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/functions/resource/resolution/ResourceResolutionComponent.kt

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  * Modifications Copyright © 2019 IBM.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution
  19
  20 import com.fasterxml.jackson.databind.node.JsonNodeFactory
  21 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  22 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
  23 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  24 import org.onap.ccsdk.cds.controllerblueprints.core.asJsonNode
  25 import org.onap.ccsdk.cds.controllerblueprints.core.asObjectNode
  26 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  27 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  28 import org.springframework.context.annotation.Scope
  29 import org.springframework.stereotype.Component
  30
  31 @Component("component-resource-resolution")
  32 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  33 open class ResourceResolutionComponent(private val resourceResolutionService: ResourceResolutionService) :
  34     AbstractComponentFunction() {
  35
  36     override suspend fun processNB(executionRequest: ExecutionServiceInput) {
  37
  38         val occurrence = getOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE).asInt()
  39         val resolutionKey = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY)?.asText() ?: ""
  40         val storeResult = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_STORE_RESULT)?.asBoolean() ?: false
  41         val resourceId = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID)?.asText() ?: ""
  42         val resourceType = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE)?.asText() ?: ""
  43
  44         val properties: MutableMap<String, Any> = mutableMapOf()
  45         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_STORE_RESULT] = storeResult
  46         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY] = resolutionKey
  47         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID] = resourceId
  48         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE] = resourceType
  49         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE] = occurrence
  50
  51         val jsonResponse = JsonNodeFactory.instance.objectNode()
  52
  53         // validate inputs if we need to store the resource and template resolution.
  54         if (storeResult) {
  55             if (resolutionKey.isNotEmpty() && (resourceId.isNotEmpty() || resourceType.isNotEmpty())) {
  56                 throw BluePrintProcessorException("Can't proceed with the resolution: either provide resolution-key OR combination of resource-id and resource-type.")
  57             } else if ((resourceType.isNotEmpty() && resourceId.isEmpty()) || (resourceType.isEmpty() && resourceId.isNotEmpty())) {
  58                 throw BluePrintProcessorException("Can't proceed with the resolution: both resource-id and resource-type should be provided, one of them is missing.")
  59             } else if (resourceType.isEmpty() && resourceId.isEmpty() && resolutionKey.isEmpty()) {
  60                 throw BluePrintProcessorException("Can't proceed with the resolution: can't persist resolution without a correlation key. " +
  61                         "Either provide a resolution-key OR combination of resource-id and resource-type OR set `storeResult` to false.")
  62             }
  63         }
  64
  65         val artifactPrefixNamesNode = getOperationInput(ResourceResolutionConstants.INPUT_ARTIFACT_PREFIX_NAMES)
  66         val artifactPrefixNames = JacksonUtils.getListFromJsonNode(artifactPrefixNamesNode, String::class.java)
  67
  68         for (j in 1..occurrence) {
  69             properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE] = j
  70
  71             val response = resourceResolutionService.resolveResources(bluePrintRuntimeService,
  72                 nodeTemplateName,
  73                 artifactPrefixNames,
  74                 properties)
  75
  76             // provide indexed result in output if we have multiple resolution
  77             if (occurrence != 1) {
  78                 jsonResponse.set(Integer.toString(j), response.asJsonNode())
  79             } else {
  80                 jsonResponse.setAll(response.asObjectNode())
  81             }
  82
  83         }
  84
  85         // Set Output Attributes
  86         bluePrintRuntimeService.setNodeTemplateAttributeValue(nodeTemplateName,
  87             ResourceResolutionConstants.OUTPUT_ASSIGNMENT_PARAMS, jsonResponse)
  88     }
  89
  90     override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
  91         bluePrintRuntimeService.getBluePrintError().addError(runtimeException.message!!)
  92     }
  93 }