diff options
Diffstat (limited to 'sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae')
7 files changed, 500 insertions, 0 deletions
diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/XnfSimulator.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/XnfSimulator.kt new file mode 100644 index 00000000..ee4734ae --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/XnfSimulator.kt @@ -0,0 +1,57 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf.impl + +import arrow.core.Either +import arrow.core.Some +import arrow.core.Try +import arrow.core.fix +import arrow.effects.IO +import arrow.instances.either.monad.monad +import arrow.typeclasses.binding +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.VesHvClient +import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator +import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageParametersParser +import org.onap.dcae.collectors.veshv.ves.message.generator.api.ParsingError +import java.io.InputStream +import javax.json.Json + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since August 2018 + */ +class XnfSimulator( + private val vesClient: VesHvClient, + private val messageGenerator: MessageGenerator, + private val messageParametersParser: MessageParametersParser = MessageParametersParser.INSTANCE) { + + fun startSimulation(messageParameters: InputStream): Either<ParsingError, IO<Unit>> = + Either.monad<ParsingError>().binding { + val json = parseJsonArray(messageParameters).bind() + val parsed = messageParametersParser.parse(json).bind() + val generatedMessages = messageGenerator.createMessageFlux(parsed) + vesClient.sendIo(generatedMessages) + }.fix() + + private fun parseJsonArray(jsonStream: InputStream) = + Try { + Json.createReader(jsonStream).readArray() + }.toEither().mapLeft { ParsingError("failed to parse JSON", Some(it)) } +} diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/adapters/VesHvClient.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/adapters/VesHvClient.kt new file mode 100644 index 00000000..57aaf3db --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/adapters/VesHvClient.kt @@ -0,0 +1,109 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters + +import arrow.core.Option +import arrow.core.getOrElse +import io.netty.handler.ssl.SslContext +import org.onap.dcae.collectors.veshv.domain.WireFrameMessage +import org.onap.dcae.collectors.veshv.domain.SecurityConfiguration +import org.onap.dcae.collectors.veshv.domain.WireFrameEncoder +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.SimulatorConfiguration +import org.onap.dcae.collectors.veshv.ssl.boundary.ClientSslContextFactory +import org.onap.dcae.collectors.veshv.utils.arrow.asIo +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import org.reactivestreams.Publisher +import reactor.core.publisher.Flux +import reactor.core.publisher.Mono +import reactor.core.publisher.ReplayProcessor +import reactor.netty.NettyOutbound +import reactor.netty.tcp.TcpClient + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since June 2018 + */ +class VesHvClient(private val configuration: SimulatorConfiguration) { + + private val client: TcpClient = TcpClient.create() + .host(configuration.vesHost) + .port(configuration.vesPort) + .configureSsl() + + private fun TcpClient.configureSsl() = + createSslContext(configuration.security) + .map { sslContext -> this.secure(sslContext) } + .getOrElse { this } + + fun sendIo(messages: Flux<WireFrameMessage>) = + sendRx(messages).then(Mono.just(Unit)).asIo() + + private fun sendRx(messages: Flux<WireFrameMessage>): Mono<Void> { + val complete = ReplayProcessor.create<Void>(1) + client + .handle { _, output -> handler(complete, messages, output) } + .connect() + .doOnError { + logger.info("Failed to connect to VesHvCollector on " + + "${configuration.vesHost}:${configuration.vesPort}") + } + .subscribe { + logger.info("Connected to VesHvCollector on " + + "${configuration.vesHost}:${configuration.vesPort}") + } + return complete.then() + } + + private fun handler(complete: ReplayProcessor<Void>, + messages: Flux<WireFrameMessage>, + nettyOutbound: NettyOutbound): Publisher<Void> { + + val allocator = nettyOutbound.alloc() + val encoder = WireFrameEncoder(allocator) + val frames = messages + .map(encoder::encode) + .window(MAX_BATCH_SIZE) + + return nettyOutbound + .logConnectionClosed() + .options { it.flushOnBoundary() } + .sendGroups(frames) + .then { + logger.info("Messages have been sent") + complete.onComplete() + } + .then() + } + + private fun createSslContext(config: SecurityConfiguration): Option<SslContext> = + ClientSslContextFactory().createSslContext(config) + + private fun NettyOutbound.logConnectionClosed() = + withConnection { conn -> + conn.onTerminate().subscribe { + logger.info { "Connection to ${conn.address()} has been closed" } + } + } + + companion object { + private val logger = Logger(VesHvClient::class) + private const val MAX_BATCH_SIZE = 128 + } +} diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/adapters/XnfApiServer.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/adapters/XnfApiServer.kt new file mode 100644 index 00000000..06f1cffe --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/adapters/XnfApiServer.kt @@ -0,0 +1,90 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters + +import arrow.core.Either +import arrow.effects.IO +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.OngoingSimulations +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfSimulator +import org.onap.dcae.collectors.veshv.utils.http.HttpConstants +import org.onap.dcae.collectors.veshv.utils.http.Response +import org.onap.dcae.collectors.veshv.utils.http.Responses +import org.onap.dcae.collectors.veshv.utils.http.sendAndHandleErrors +import org.onap.dcae.collectors.veshv.utils.http.sendEitherErrorOrResponse +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import org.onap.dcae.collectors.veshv.ves.message.generator.api.ParsingError +import ratpack.handling.Chain +import ratpack.handling.Context +import ratpack.http.TypedData +import ratpack.server.RatpackServer +import ratpack.server.ServerConfig +import java.util.* + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since June 2018 + */ +internal class XnfApiServer( + private val xnfSimulator: XnfSimulator, + private val ongoingSimulations: OngoingSimulations) { + + fun start(port: Int): IO<RatpackServer> = IO { + RatpackServer.start { server -> + server.serverConfig(ServerConfig.embedded().port(port)) + .handlers(this::configureHandlers) + } + } + + private fun configureHandlers(chain: Chain) { + chain + .post("simulator", ::startSimulationHandler) + .post("simulator/async", ::startSimulationHandler) + .get("simulator/:id", ::simulatorStatusHandler) + .get("healthcheck") { ctx -> + logger.info("Checking health") + ctx.response.status(HttpConstants.STATUS_OK).send() + } + } + + private fun startSimulationHandler(ctx: Context) { + logger.info("Starting asynchronous scenario") + ctx.request.body.then { body -> + val id = startSimulation(body) + ctx.response.sendEitherErrorOrResponse(id) + } + } + + private fun startSimulation(body: TypedData): Either<ParsingError, Response> { + return xnfSimulator.startSimulation(body.inputStream) + .map(ongoingSimulations::startAsynchronousSimulation) + .map(Responses::acceptedResponse) + } + + private fun simulatorStatusHandler(ctx: Context) { + val id = UUID.fromString(ctx.pathTokens["id"]) + val status = ongoingSimulations.status(id) + val response = Responses.statusResponse(status.toString(), status.message) + ctx.response.sendAndHandleErrors(IO.just(response)) + } + + companion object { + private val logger = Logger(XnfApiServer::class) + } +} diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/config/ArgXnfSimulatorConfiguration.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/config/ArgXnfSimulatorConfiguration.kt new file mode 100644 index 00000000..0b321362 --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/config/ArgXnfSimulatorConfiguration.kt @@ -0,0 +1,74 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf.impl.config + +import arrow.core.Option +import arrow.core.fix +import arrow.instances.option.monad.monad +import arrow.typeclasses.binding +import org.apache.commons.cli.CommandLine +import org.apache.commons.cli.DefaultParser +import org.onap.dcae.collectors.veshv.domain.WireFrameMessage +import org.onap.dcae.collectors.veshv.ssl.boundary.createSecurityConfiguration +import org.onap.dcae.collectors.veshv.utils.commandline.ArgBasedConfiguration +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.KEY_STORE_FILE +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.KEY_STORE_PASSWORD +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.LISTEN_PORT +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.MAXIMUM_PAYLOAD_SIZE_BYTES +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.SSL_DISABLE +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.TRUST_STORE_FILE +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.TRUST_STORE_PASSWORD +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.VES_HV_HOST +import org.onap.dcae.collectors.veshv.utils.commandline.CommandLineOption.VES_HV_PORT +import org.onap.dcae.collectors.veshv.utils.commandline.intValue +import org.onap.dcae.collectors.veshv.utils.commandline.stringValue + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since June 2018 + */ +internal class ArgXnfSimulatorConfiguration : ArgBasedConfiguration<SimulatorConfiguration>(DefaultParser()) { + override val cmdLineOptionsList = listOf( + VES_HV_PORT, + VES_HV_HOST, + LISTEN_PORT, + MAXIMUM_PAYLOAD_SIZE_BYTES, + SSL_DISABLE, + KEY_STORE_FILE, + KEY_STORE_PASSWORD, + TRUST_STORE_FILE, + TRUST_STORE_PASSWORD) + + override fun getConfiguration(cmdLine: CommandLine): Option<SimulatorConfiguration> = + Option.monad().binding { + val listenPort = cmdLine.intValue(LISTEN_PORT).bind() + val vesHost = cmdLine.stringValue(VES_HV_HOST).bind() + val vesPort = cmdLine.intValue(VES_HV_PORT).bind() + val maxPayloadSizeBytes = cmdLine.intValue(MAXIMUM_PAYLOAD_SIZE_BYTES, + WireFrameMessage.DEFAULT_MAX_PAYLOAD_SIZE_BYTES) + + SimulatorConfiguration( + listenPort, + vesHost, + vesPort, + maxPayloadSizeBytes, + createSecurityConfiguration(cmdLine).bind()) + }.fix() +} diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/config/SimulatorConfiguration.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/config/SimulatorConfiguration.kt new file mode 100644 index 00000000..3395d282 --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/config/SimulatorConfiguration.kt @@ -0,0 +1,33 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf.impl.config + +import org.onap.dcae.collectors.veshv.domain.SecurityConfiguration + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since June 2018 + */ +data class SimulatorConfiguration( + val listenPort: Int, + val vesHost: String, + val vesPort: Int, + val maxPayloadSizeBytes: Int, + val security: SecurityConfiguration) diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/simulations.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/simulations.kt new file mode 100644 index 00000000..21748ae8 --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/simulations.kt @@ -0,0 +1,76 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf.impl + +import arrow.effects.IO +import kotlinx.coroutines.asCoroutineDispatcher +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfApiServer +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import java.util.* +import java.util.concurrent.ConcurrentHashMap +import java.util.concurrent.Executor +import java.util.concurrent.Executors + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since August 2018 + */ +class OngoingSimulations(executor: Executor = Executors.newCachedThreadPool()) { + private val asyncSimulationContext = executor.asCoroutineDispatcher() + private val simulations = ConcurrentHashMap<UUID, Status>() + + fun startAsynchronousSimulation(simulationIo: IO<Unit>): UUID { + val id = UUID.randomUUID() + simulations[id] = StatusOngoing + + simulationIo.continueOn(asyncSimulationContext).unsafeRunAsync { result -> + result.fold( + { err -> + logger.warn("Error", err) + simulations[id] = StatusFailure(err) + }, + { + logger.info("Finished sending messages") + simulations[id] = StatusSuccess + } + ) + } + return id + } + + fun status(id: UUID) = simulations.getOrDefault(id, StatusNotFound) + + internal fun clear() { + simulations.clear() + } + + companion object { + private val logger = Logger(XnfApiServer::class) + } +} + +sealed class Status(val message: String) { + override fun toString() = this::class.simpleName ?: "null" +} + +object StatusNotFound : Status("not found") +object StatusOngoing : Status("ongoing") +object StatusSuccess : Status("success") +data class StatusFailure(val cause: Throwable) : Status("Error ${cause.message}") diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/main.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/main.kt new file mode 100644 index 00000000..4512dfbf --- /dev/null +++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/main.kt @@ -0,0 +1,61 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.simulators.xnf + +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.OngoingSimulations +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfSimulator +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.ArgXnfSimulatorConfiguration +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfApiServer +import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.VesHvClient +import org.onap.dcae.collectors.veshv.utils.arrow.ExitFailure +import org.onap.dcae.collectors.veshv.utils.arrow.unsafeRunEitherSync +import org.onap.dcae.collectors.veshv.utils.arrow.unit +import org.onap.dcae.collectors.veshv.utils.commandline.handleWrongArgumentErrorCurried +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import org.onap.dcae.collectors.veshv.ves.message.generator.factory.MessageGeneratorFactory + +private const val PACKAGE_NAME = "org.onap.dcae.collectors.veshv.simulators.xnf" +private val logger = Logger(PACKAGE_NAME) +const val PROGRAM_NAME = "java $PACKAGE_NAME.MainKt" + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since June 2018 + */ +fun main(args: Array<String>) = ArgXnfSimulatorConfiguration().parse(args) + .mapLeft(handleWrongArgumentErrorCurried(PROGRAM_NAME)) + .map { config -> + logger.info("Using configuration: $config") + val xnfSimulator = XnfSimulator( + VesHvClient(config), + MessageGeneratorFactory.create(config.maxPayloadSizeBytes)) + XnfApiServer(xnfSimulator, OngoingSimulations()) + .start(config.listenPort) + .unit() + } + .unsafeRunEitherSync( + { ex -> + logger.error("Failed to start a server", ex) + ExitFailure(1) + }, + { + logger.info("Started xNF Simulator API server") + } + ) |