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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2019 Bell Canada.
* Modifications 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.selfservice.api
import io.grpc.StatusException
import io.grpc.stub.StreamObserver
import kotlinx.coroutines.runBlocking
import org.onap.ccsdk.cds.blueprintsprocessor.selfservice.api.utils.currentTimestamp
import org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader
import org.onap.ccsdk.cds.controllerblueprints.common.api.Status
import org.onap.ccsdk.cds.controllerblueprints.core.config.BluePrintPathConfiguration
import org.onap.ccsdk.cds.controllerblueprints.core.deleteDir
import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintCatalogService
import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
import org.onap.ccsdk.cds.controllerblueprints.core.reCreateDirs
import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintManagementOutput
import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintManagementServiceGrpc
import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintRemoveInput
import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintUploadInput
import org.slf4j.LoggerFactory
import org.springframework.security.access.prepost.PreAuthorize
import org.springframework.stereotype.Service
import java.io.File
import java.util.*
@Service
open class BluePrintManagementGRPCHandler(private val bluePrintPathConfiguration: BluePrintPathConfiguration,
private val blueprintsProcessorCatalogService: BluePrintCatalogService)
: BluePrintManagementServiceGrpc.BluePrintManagementServiceImplBase() {
private val log = LoggerFactory.getLogger(BluePrintManagementGRPCHandler::class.java)
@PreAuthorize("hasRole('USER')")
override fun uploadBlueprint(request: BluePrintUploadInput, responseObserver:
StreamObserver<BluePrintManagementOutput>) {
runBlocking {
log.info("request(${request.commonHeader.requestId})")
val uploadId = UUID.randomUUID().toString()
try {
val cbaFile = normalizedFile(bluePrintPathConfiguration.blueprintArchivePath, uploadId, "cba-zip")
saveToDisk(request, cbaFile)
val blueprintId = blueprintsProcessorCatalogService.saveToDatabase(uploadId, cbaFile)
responseObserver.onNext(successStatus("Successfully uploaded CBA($blueprintId)...", request.commonHeader))
responseObserver.onCompleted()
} catch (e: Exception) {
responseObserver.onError(failStatus("request(${request.commonHeader.requestId}): Failed to upload CBA", e))
} finally {
deleteDir(bluePrintPathConfiguration.blueprintArchivePath, uploadId)
deleteDir(bluePrintPathConfiguration.blueprintWorkingPath, uploadId)
}
}
}
@PreAuthorize("hasRole('USER')")
override fun removeBlueprint(request: BluePrintRemoveInput, responseObserver:
StreamObserver<BluePrintManagementOutput>) {
runBlocking {
val blueprintName = request.blueprintName
val blueprintVersion = request.blueprintVersion
val blueprint = "blueprint $blueprintName:$blueprintVersion"
log.info("request(${request.commonHeader.requestId}): Received delete $blueprint")
try {
blueprintsProcessorCatalogService.deleteFromDatabase(blueprintName, blueprintVersion)
responseObserver.onNext(successStatus("Successfully deleted $blueprint", request.commonHeader))
responseObserver.onCompleted()
} catch (e: Exception) {
responseObserver.onError(failStatus("request(${request.commonHeader.requestId}): Failed to delete $blueprint", e))
}
}
}
private fun saveToDisk(request: BluePrintUploadInput, cbaFile: File) {
log.info("request(${request.commonHeader.requestId}): Writing CBA File under :${cbaFile.absolutePath}")
// Recreate Folder
cbaFile.parentFile.reCreateDirs()
// Write the File
cbaFile.writeBytes(request.fileChunk.chunk.toByteArray()).apply {
log.info("request(${request.commonHeader.requestId}): CBA file(${cbaFile.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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