--- /dev/null
+/*
+ * Copyright © 2022 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
+
+import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
+import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.INPUT_ARTIFACT_PREFIX_NAMES
+import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY
+import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_ID
+import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE
+import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.db.ResourceResolutionDBService
+import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.db.TemplateResolutionService
+import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
+import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
+import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
+import org.onap.ccsdk.cds.controllerblueprints.core.asJsonNode
+import org.onap.ccsdk.cds.controllerblueprints.core.asJsonPrimitive
+import org.onap.ccsdk.cds.controllerblueprints.core.asObjectNode
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
+import org.springframework.beans.factory.config.ConfigurableBeanFactory
+import org.springframework.context.annotation.Scope
+import org.springframework.stereotype.Component
+
+@Component("component-resource-deletion")
+@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
+open class ResourceDeletionComponent(
+ private val resourceResolutionDBService: ResourceResolutionDBService,
+ private val templateResolutionService: TemplateResolutionService
+) : AbstractComponentFunction() {
+
+ companion object {
+ const val INPUT_LAST_N_OCCURRENCES = "last-n-occurrences"
+ const val INPUT_FAIL_ON_EMPTY = "fail-on-empty"
+ const val ATTRIBUTE_RESULT = "result"
+ const val ATTRIBUTE_SUCCESS = "success"
+ }
+
+ data class DeletionResult(val nDeletedTemplates: Int, val nDeletedResources: Int)
+
+ override suspend fun processNB(executionRequest: ExecutionServiceInput) {
+ bluePrintRuntimeService.setNodeTemplateAttributeValue(
+ nodeTemplateName, ATTRIBUTE_RESULT, emptyMap<String, Any>().asJsonNode()
+ )
+ bluePrintRuntimeService.setNodeTemplateAttributeValue(
+ nodeTemplateName, ATTRIBUTE_SUCCESS, false.asJsonPrimitive()
+ )
+
+ val resolutionKey = getOptionalOperationInput(RESOURCE_RESOLUTION_INPUT_RESOLUTION_KEY)?.textValue() ?: ""
+ val resourceId = getOptionalOperationInput(RESOURCE_RESOLUTION_INPUT_RESOURCE_ID)?.textValue() ?: ""
+ val resourceType = getOptionalOperationInput(RESOURCE_RESOLUTION_INPUT_RESOURCE_TYPE)?.textValue() ?: ""
+
+ val resultMap = when {
+ resolutionKey.isNotBlank() -> runDelete(byResolutionKey(resolutionKey))
+ resourceType.isNotBlank() && resourceId.isNotBlank() ->
+ runDelete(byResourceTypeAndId(resourceType, resourceId))
+ else -> throw BluePrintProcessorException(
+ "Please use resolution-key OR resource-type + resource-id. Values must not be blank"
+ )
+ }
+ bluePrintRuntimeService.setNodeTemplateAttributeValue(
+ nodeTemplateName, ATTRIBUTE_RESULT, resultMap.asObjectNode()
+ )
+
+ getOptionalOperationInput(INPUT_FAIL_ON_EMPTY)?.booleanValue().takeIf { it == true }?.let {
+ resultMap.all { it.value.nDeletedResources == 0 && it.value.nDeletedTemplates == 0 }
+ .takeIf { it }?.let {
+ throw BluePrintProcessorException("No templates or resources were deleted")
+ }
+ }
+
+ bluePrintRuntimeService.setNodeTemplateAttributeValue(
+ nodeTemplateName, ATTRIBUTE_SUCCESS, true.asJsonPrimitive()
+ )
+ }
+
+ private suspend fun runDelete(fn: suspend (String, String, String, Int?) -> DeletionResult):
+ Map<String, DeletionResult> {
+ val metadata = bluePrintRuntimeService.bluePrintContext().metadata!!
+ val blueprintVersion = metadata[BluePrintConstants.METADATA_TEMPLATE_VERSION]!!
+ val blueprintName = metadata[BluePrintConstants.METADATA_TEMPLATE_NAME]!!
+ val artifactPrefixNamesNode = getOperationInput(INPUT_ARTIFACT_PREFIX_NAMES)
+ val artifactPrefixNames = JacksonUtils.getListFromJsonNode(artifactPrefixNamesNode, String::class.java)
+ val lastN = getOptionalOperationInput(INPUT_LAST_N_OCCURRENCES)?.let {
+ if (it.isInt) it.intValue() else null
+ }
+
+ return artifactPrefixNames.associateWith { fn(blueprintName, blueprintVersion, it, lastN) }
+ }
+
+ private fun byResolutionKey(resolutionKey: String):
+ suspend (String, String, String, Int?) -> DeletionResult = {
+ bpName, bpVersion, artifactName, lastN ->
+ val nDeleteTemplates = templateResolutionService.deleteTemplates(
+ bpName, bpVersion, artifactName, resolutionKey, lastN
+ )
+ val nDeletedResources = resourceResolutionDBService.deleteResources(
+ bpName, bpVersion, artifactName, resolutionKey, lastN
+ )
+ DeletionResult(nDeleteTemplates, nDeletedResources)
+ }
+
+ private fun byResourceTypeAndId(resourceType: String, resourceId: String):
+ suspend (String, String, String, Int?) -> DeletionResult = {
+ bpName, bpVersion, artifactName, lastN ->
+ val nDeletedTemplates = templateResolutionService.deleteTemplates(
+ bpName, bpVersion, artifactName, resourceType, resourceId, lastN
+ )
+ val nDeletedResources = resourceResolutionDBService.deleteResources(
+ bpName, bpVersion, artifactName, resourceType, resourceId, lastN
+ )
+ DeletionResult(nDeletedTemplates, nDeletedResources)
+ }
+
+ override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
+ addError(runtimeException.message ?: "Failed in ResourceDeletionComponent")
+ }
+}