gerrit.onap Code Review - ccsdk/cds.git/blob

   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.returnNullIfMissing
  27 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  28 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  29 import org.springframework.context.annotation.Scope
  30 import org.springframework.stereotype.Component
  31
  32 @Component("component-resource-resolution")
  33 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  34 open class ResourceResolutionComponent(private val resourceResolutionService: ResourceResolutionService) :
  35         AbstractComponentFunction() {
  36
  37     override suspend fun processNB(executionRequest: ExecutionServiceInput) {
  38
  39         val occurrence = getOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE).asInt()
  40         val resolutionKey = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY)?.returnNullIfMissing()?.textValue() ?: ""
  41         val storeResult = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_STORE_RESULT)?.asBoolean() ?: false
  42         val resourceId = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID)?.returnNullIfMissing()?.textValue() ?: ""
  43
  44         val resourceType = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE)?.returnNullIfMissing()?.textValue() ?: ""
  45
  46         val properties: MutableMap<String, Any> = mutableMapOf()
  47         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_STORE_RESULT] = storeResult
  48         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY] = resolutionKey
  49         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID] = resourceId
  50         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE] = resourceType
  51         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE] = occurrence
  52
  53         val jsonResponse = JsonNodeFactory.instance.objectNode()
  54         // Initialize Output Attribute to empty JSON
  55         bluePrintRuntimeService.setNodeTemplateAttributeValue(nodeTemplateName,
  56             ResourceResolutionConstants.OUTPUT_ASSIGNMENT_PARAMS, jsonResponse)
  57
  58         // validate inputs if we need to store the resource and template resolution.
  59         if (storeResult) {
  60             if (resolutionKey.isNotEmpty() && (resourceId.isNotEmpty() || resourceType.isNotEmpty())) {
  61                 throw BluePrintProcessorException("Can't proceed with the resolution: either provide resolution-key OR combination of resource-id and resource-type.")
  62             } else if ((resourceType.isNotEmpty() && resourceId.isEmpty()) || (resourceType.isEmpty() && resourceId.isNotEmpty())) {
  63                 throw BluePrintProcessorException("Can't proceed with the resolution: both resource-id and resource-type should be provided, one of them is missing.")
  64             } else if (resourceType.isEmpty() && resourceId.isEmpty() && resolutionKey.isEmpty()) {
  65                 throw BluePrintProcessorException("Can't proceed with the resolution: can't persist resolution without a correlation key. " +
  66                         "Either provide a resolution-key OR combination of resource-id and resource-type OR set `storeResult` to false.")
  67             }
  68         }
  69
  70         val artifactPrefixNamesNode = getOperationInput(ResourceResolutionConstants.INPUT_ARTIFACT_PREFIX_NAMES)
  71         val artifactPrefixNames = JacksonUtils.getListFromJsonNode(artifactPrefixNamesNode, String::class.java)
  72
  73         for (j in 1..occurrence) {
  74             properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE] = j
  75
  76             val response = resourceResolutionService.resolveResources(bluePrintRuntimeService,
  77                     nodeTemplateName,
  78                     artifactPrefixNames,
  79                     properties)
  80
  81             // provide indexed result in output if we have multiple resolution
  82             if (occurrence != 1) {
  83                 jsonResponse.set(Integer.toString(j), response.asJsonNode())
  84             } else {
  85                 jsonResponse.setAll(response.asObjectNode())
  86             }
  87
  88         }
  89
  90         // Set Output Attributes with resolved value
  91         bluePrintRuntimeService.setNodeTemplateAttributeValue(nodeTemplateName,
  92                 ResourceResolutionConstants.OUTPUT_ASSIGNMENT_PARAMS, jsonResponse)
  93     }
  94
  95     override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
  96         bluePrintRuntimeService.getBluePrintError().addError(runtimeException.message!!)
  97     }
  98 }