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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2019 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.apps.blueprintsprocessor.selfservice.api
import io.grpc.StatusException
import io.grpc.stub.StreamObserver
import org.apache.commons.io.FileUtils
import org.onap.ccsdk.apps.blueprintsprocessor.core.BluePrintCoreConfiguration
import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.currentTimestamp
import org.onap.ccsdk.apps.controllerblueprints.common.api.CommonHeader
import org.onap.ccsdk.apps.controllerblueprints.common.api.Status
import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintCatalogService
import org.onap.ccsdk.apps.controllerblueprints.management.api.BluePrintManagementInput
import org.onap.ccsdk.apps.controllerblueprints.management.api.BluePrintManagementOutput
import org.onap.ccsdk.apps.controllerblueprints.management.api.BluePrintManagementServiceGrpc
import org.slf4j.LoggerFactory
import org.springframework.stereotype.Service
import java.io.File
@Service
class BluePrintManagementGRPCHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
private val bluePrintCatalogService: BluePrintCatalogService)
: BluePrintManagementServiceGrpc.BluePrintManagementServiceImplBase() {
private val log = LoggerFactory.getLogger(BluePrintManagementGRPCHandler::class.java)
override fun uploadBlueprint(request: BluePrintManagementInput, responseObserver: StreamObserver<BluePrintManagementOutput>) {
val blueprintName = request.blueprintName
val blueprintVersion = request.blueprintVersion
val blueprint = "blueprint $blueprintName:$blueprintVersion"
log.info("request(${request.commonHeader.requestId}): Received upload $blueprint")
val blueprintArchivedFilePath = "${bluePrintCoreConfiguration.archivePath}/$blueprintName/$blueprintVersion/$blueprintName.zip"
try {
val blueprintArchivedFile = File(blueprintArchivedFilePath)
saveToDisk(request, blueprintArchivedFile)
val blueprintId = bluePrintCatalogService.saveToDatabase(blueprintArchivedFile)
File("${bluePrintCoreConfiguration.archivePath}/$blueprintName").deleteRecursively()
responseObserver.onNext(successStatus("Successfully uploaded $blueprint with id($blueprintId)", request.commonHeader))
responseObserver.onCompleted()
} catch (e: Exception) {
failStatus("request(${request.commonHeader.requestId}): Failed to upload $blueprint at path $blueprintArchivedFilePath", e)
}
}
override fun removeBlueprint(request: BluePrintManagementInput, responseObserver: StreamObserver<BluePrintManagementOutput>) {
val blueprintName = request.blueprintName
val blueprintVersion = request.blueprintVersion
val blueprint = "blueprint $blueprintName:$blueprintVersion"
log.info("request(${request.commonHeader.requestId}): Received delete $blueprint")
try {
bluePrintCatalogService.deleteFromDatabase(blueprintName, blueprintVersion)
responseObserver.onNext(successStatus("Successfully deleted $blueprint", request.commonHeader))
responseObserver.onCompleted()
} catch (e: Exception) {
failStatus("request(${request.commonHeader.requestId}): Failed to delete $blueprint", e)
}
}
private fun saveToDisk(request: BluePrintManagementInput, blueprintDir: File) {
log.info("request(${request.commonHeader.requestId}): Writing CBA File under :${blueprintDir.absolutePath}")
if (blueprintDir.exists()) {
log.info("request(${request.commonHeader.requestId}): Re-creating blueprint directory(${blueprintDir.absolutePath})")
FileUtils.deleteDirectory(blueprintDir.parentFile)
}
FileUtils.forceMkdir(blueprintDir.parentFile)
blueprintDir.writeBytes(request.fileChunk.chunk.toByteArray()).apply {
log.info("request(${request.commonHeader.requestId}): CBA file(${blueprintDir.absolutePath} written successfully")
}
}
private fun successStatus(message: String, header: CommonHeader): BluePrintManagementOutput =
BluePrintManagementOutput.newBuilder()
.setCommonHeader(header)
.setStatus(Status.newBuilder()
.setTimestamp(currentTimestamp())
.setMessage(message)
.setCode(200)
.build())
.build()
private fun failStatus(message: String, e: Exception): StatusException {
log.error(message, e)
return io.grpc.Status.INTERNAL
.withDescription(message)
.withCause(e)
.asException()
}
}
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