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/*
* Copyright © 2019 IBM.
*
* 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.capabilities
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.processor.ResourceAssignmentProcessor
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
import org.onap.ccsdk.cds.blueprintsprocessor.rest.restClientService
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
import org.onap.ccsdk.cds.controllerblueprints.core.asJsonType
import org.onap.ccsdk.cds.controllerblueprints.core.logger
import org.onap.ccsdk.cds.controllerblueprints.core.service.BluePrintDependencyService
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.onap.ccsdk.cds.controllerblueprints.resource.dict.KeyIdentifier
import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment
import org.springframework.http.HttpMethod
/**
* @author brindasanth
*/
open class NamingResolutionCapability : ResourceAssignmentProcessor() {
val log = logger(NamingResolutionCapability::class)
override fun getName(): String {
return "${ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR}naming-capability"
}
override suspend fun processNB(resourceAssignment: ResourceAssignment) {
try {
if (!setFromInput(resourceAssignment) && isTemplateKeyValueNull(resourceAssignment)) {
val dName = resourceAssignment.dictionaryName!!
val dSource = resourceAssignment.dictionarySource!!
val resourceDefinition = resourceDefinition(dName)
/** Check Resource Assignment has the source definitions, If not get from Resource Definitions **/
val resourceSource = resourceAssignment.dictionarySourceDefinition
?: resourceDefinition?.sources?.get(dSource)
?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)")
val resourceSourceProperties =
checkNotNull(resourceSource.properties) { "failed to get source properties for $dName " }
// Get all matching resources assignments to process
val groupResourceAssignments =
resourceAssignments.filter {
it.dictionarySource == dSource
}.toMutableList()
// inputKeyMapping is dynamic based on dependencies
val inputKeyMapping: MutableMap<String, String> =
resourceAssignment.dependencies?.map { it to it }?.toMap()
as MutableMap<String, String>
log.info("\nResolving Input Key mappings: \n{}", inputKeyMapping)
// Get the values from runtime store
val resolvedKeyValues = resolveInputKeyMappingVariables(inputKeyMapping)
log.info("\nResolved Input Key mappings: \n{}", resolvedKeyValues)
resolvedKeyValues?.map { KeyIdentifier(it.key, it.value) }
?.let { resourceAssignment.keyIdentifiers.addAll(it) }
// Generate the payload using already resolved value
val generatedPayload = generatePayload(resolvedKeyValues, groupResourceAssignments)
log.info("\nNaming mS Request Payload: \n{}", generatedPayload.asJsonType().toPrettyString())
resourceSourceProperties["resolved-payload"] = JacksonUtils.jsonNode(generatedPayload)
// Get the Rest Client service, selector will be included in application.properties
val restClientService = BluePrintDependencyService.restClientService(
"naming-ms"
)
// Get the Rest Response
val response = restClientService.exchangeResource(
HttpMethod.POST.name,
"/web/service/v1/genNetworkElementName/cds", generatedPayload
)
val responseStatusCode = response.status
val responseBody = response.body
log.info("\nNaming mS Response : \n{}", responseBody.asJsonType().toPrettyString())
if (responseStatusCode in 200..299 && !responseBody.isBlank()) {
populateResource(groupResourceAssignments, responseBody)
} else {
val errMsg =
"Failed to dictionary name ($dName), dictionary source($($dName) " +
"response_code: ($responseStatusCode)"
log.warn(errMsg)
throw BluePrintProcessorException(errMsg)
}
// Parse the error Body and assign the property value
}
// Check the value has populated for mandatory case
ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
} catch (e: Exception) {
ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
throw BluePrintProcessorException(
"Failed in template key ($resourceAssignment) assignments with: ${e.message}",
e
)
}
}
override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ResourceAssignment) {
addError(runtimeException.message!!)
}
/** Generates aggregated request payload for Naming mS. Parses the resourceassignments of
* sourceCapability "naming-ms". "naming-type" should be provides as property metadata for
* each resourceassigment of sourceCapability "naming-ms". It generates below sample payload
* {
"elements": [{
"vf-module-name": "${vf-module-name}",
"naming-type": "VF-MODULE",
"naming-code": "dbc",
"vf-module-label": "adsf",
"policy-instance-name": "SDNC_Policy.Config_Json.xml",
"vnf-name": "vnf-123",
"vf-module-type": "base"
}, {
"vnfc-name": "${vnfc-name}",
"naming-type": "VNFC",
"naming-code": "dbc",
"vf-module-label": "adsf",
"policy-instance-name": "SDNC_Policy.Config_Json.xml",
"vnf-name": "vnf-123",
"vf-module-type": "base"
}
]
} */
private fun generatePayload(
input: Map<String, Any>,
groupResourceAssignments: MutableList<ResourceAssignment>
): String {
data class NameAssignRequest(val elements: MutableList<Map<String, String>> = mutableListOf())
val nameAssignRequests = NameAssignRequest()
groupResourceAssignments.forEach {
val metadata = resourceDictionaries[it.dictionaryName]?.property?.metadata
val namingType = metadata?.get("naming-type")
val moduleName = namingType.plus("-name").toLowerCase()
val moduleValue = "\${".plus(moduleName.plus("}"))
val request: MutableMap<String, String> = input.mapValues {
it.value.toString().removeSurrounding("\"")
} as MutableMap<String, String>
if (namingType != null) {
request["naming-type"] = namingType
}
request[moduleName] = moduleValue
nameAssignRequests.elements.add(request)
}
return nameAssignRequests.asJsonType().toString()
}
private fun populateResource(
resourceAssignments: MutableList<ResourceAssignment>,
restResponse: String
) {
/** Parse all the resource assignment fields and set the corresponding value */
resourceAssignments.forEach { resourceAssignment ->
// Set the List of Complex Values
val metadata =
resourceDictionaries[resourceAssignment.dictionaryName]?.property?.metadata
/** Naming ms returns the keys with "${naming-type}-name" */
val responseKey = metadata?.get("naming-type")?.toLowerCase().plus("-name")
val parsedResourceAssignmentValue = checkNotNull(
JacksonUtils.jsonNode(restResponse).path(responseKey).textValue()
) {
"Failed to find path ($responseKey) in response ($restResponse)"
}
ResourceAssignmentUtils.setResourceDataValue(
resourceAssignment,
raRuntimeService,
parsedResourceAssignmentValue
)
}
}
}
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