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.JsonNode
  21 import com.fasterxml.jackson.databind.node.JsonNodeFactory
  22 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  23 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
  24 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  25 import org.onap.ccsdk.cds.controllerblueprints.core.asJsonNode
  26 import org.onap.ccsdk.cds.controllerblueprints.core.asObjectNode
  27 import org.onap.ccsdk.cds.controllerblueprints.core.returnNullIfMissing
  28 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  29 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  30 import org.springframework.context.annotation.Scope
  31 import org.springframework.stereotype.Component
  32
  33 @Component("component-resource-resolution")
  34 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  35 open class ResourceResolutionComponent(private val resourceResolutionService: ResourceResolutionService) :
  36     AbstractComponentFunction() {
  37
  38     companion object {
  39         const val INPUT_REQUEST_ID = "request-id"
  40         const val INPUT_RESOURCE_ID = "resource-id"
  41         const val INPUT_ACTION_NAME = "action-name"
  42         const val INPUT_DYNAMIC_PROPERTIES = "dynamic-properties"
  43         const val INPUT_RESOURCE_TYPE = "resource-type"
  44         const val INPUT_ARTIFACT_PREFIX_NAMES = "artifact-prefix-names"
  45         const val INPUT_RESOLUTION_KEY = "resolution-key"
  46         const val INPUT_STORE_RESULT = "store-result"
  47         const val INPUT_OCCURRENCE = "occurrence"
  48
  49         const val ATTRIBUTE_ASSIGNMENT_PARAM = "assignment-params"
  50         const val ATTRIBUTE_STATUS = "status"
  51
  52         const val OUTPUT_RESOURCE_ASSIGNMENT_PARAMS = "resource-assignment-params"
  53         const val OUTPUT_STATUS = "status"
  54     }
  55
  56     override suspend fun processNB(executionRequest: ExecutionServiceInput) {
  57
  58         val occurrence = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE)?.asInt() ?: 1
  59         val resolutionKey =
  60             getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY)?.returnNullIfMissing()?.textValue() ?: ""
  61         val storeResult = getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_STORE_RESULT)?.asBoolean() ?: false
  62         val resourceId =
  63             getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID)?.returnNullIfMissing()?.textValue() ?: ""
  64
  65         val resourceType =
  66             getOptionalOperationInput(ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE)?.returnNullIfMissing()?.textValue() ?: ""
  67
  68         val properties: MutableMap<String, Any> = mutableMapOf()
  69         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_STORE_RESULT] = storeResult
  70         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY] = resolutionKey
  71         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID] = resourceId
  72         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE] = resourceType
  73         properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE] = occurrence
  74
  75         val jsonResponse = JsonNodeFactory.instance.objectNode()
  76         // Initialize Output Attribute to empty JSON
  77         bluePrintRuntimeService.setNodeTemplateAttributeValue(
  78             nodeTemplateName,
  79             ResourceResolutionConstants.OUTPUT_ASSIGNMENT_PARAMS, jsonResponse
  80         )
  81
  82         // validate inputs if we need to store the resource and template resolution.
  83         if (storeResult) {
  84             if (resolutionKey.isNotEmpty() && (resourceId.isNotEmpty() || resourceType.isNotEmpty())) {
  85                 throw BluePrintProcessorException("Can't proceed with the resolution: either provide resolution-key OR combination of resource-id and resource-type.")
  86             } else if ((resourceType.isNotEmpty() && resourceId.isEmpty()) || (resourceType.isEmpty() && resourceId.isNotEmpty())) {
  87                 throw BluePrintProcessorException("Can't proceed with the resolution: both resource-id and resource-type should be provided, one of them is missing.")
  88             } else if (resourceType.isEmpty() && resourceId.isEmpty() && resolutionKey.isEmpty()) {
  89                 throw BluePrintProcessorException(
  90                     "Can't proceed with the resolution: can't persist resolution without a correlation key. " +
  91                             "Either provide a resolution-key OR combination of resource-id and resource-type OR set `storeResult` to false."
  92                 )
  93             }
  94         }
  95
  96         val artifactPrefixNamesNode = getOperationInput(ResourceResolutionConstants.INPUT_ARTIFACT_PREFIX_NAMES)
  97         val artifactPrefixNames = JacksonUtils.getListFromJsonNode(artifactPrefixNamesNode, String::class.java)
  98
  99         for (j in 1..occurrence) {
 100             properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_OCCURRENCE] = j
 101
 102             val response = resourceResolutionService.resolveResources(
 103                 bluePrintRuntimeService,
 104                 nodeTemplateName,
 105                 artifactPrefixNames,
 106                 properties
 107             )
 108
 109             // provide indexed result in output if we have multiple resolution
 110             if (occurrence != 1) {
 111                 jsonResponse.set<JsonNode>(Integer.toString(j), response.asJsonNode())
 112             } else {
 113                 jsonResponse.setAll(response.asObjectNode())
 114             }
 115         }
 116
 117         // Set Output Attributes with resolved value
 118         bluePrintRuntimeService.setNodeTemplateAttributeValue(
 119             nodeTemplateName,
 120             ResourceResolutionConstants.OUTPUT_ASSIGNMENT_PARAMS, jsonResponse
 121         )
 122     }
 123
 124     override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
 125         bluePrintRuntimeService.getBluePrintError().addError(runtimeException.message!!)
 126     }
 127 }