diff options
Diffstat (limited to 'sources/hv-collector-core/src/main')
25 files changed, 1370 insertions, 0 deletions
diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt new file mode 100644 index 00000000..dd0111bc --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt @@ -0,0 +1,50 @@ +/* + * ============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.boundary + +import org.onap.dcae.collectors.veshv.model.CollectorConfiguration +import org.onap.dcae.collectors.veshv.model.RoutedMessage +import reactor.core.publisher.Flux + +interface Sink { + fun send(messages: Flux<RoutedMessage>): Flux<RoutedMessage> +} + +interface Metrics { + fun notifyBytesReceived(size: Int) + fun notifyMessageReceived(size: Int) + fun notifyMessageSent(topic: String) +} + +@FunctionalInterface +interface SinkProvider { + operator fun invoke(config: CollectorConfiguration): Sink + + companion object { + fun just(sink: Sink): SinkProvider = + object : SinkProvider { + override fun invoke(config: CollectorConfiguration): Sink = sink + } + } +} + +interface ConfigurationProvider { + operator fun invoke(): Flux<CollectorConfiguration> +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/api.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/api.kt new file mode 100644 index 00000000..3c85a9b1 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/api.kt @@ -0,0 +1,38 @@ +/* + * ============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.boundary + +import arrow.core.Option +import arrow.effects.IO +import io.netty.buffer.ByteBuf +import io.netty.buffer.ByteBufAllocator +import org.onap.dcae.collectors.veshv.utils.ServerHandle +import reactor.core.publisher.Flux +import reactor.core.publisher.Mono + +interface Collector { + fun handleConnection(alloc: ByteBufAllocator, dataStream: Flux<ByteBuf>): Mono<Void> +} + +typealias CollectorProvider = () -> Option<Collector> + +interface Server { + fun start(): IO<ServerHandle> +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/CollectorFactory.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/CollectorFactory.kt new file mode 100644 index 00000000..5c96e1c5 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/CollectorFactory.kt @@ -0,0 +1,80 @@ +/* + * ============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.factory + +import org.onap.dcae.collectors.veshv.boundary.Collector +import org.onap.dcae.collectors.veshv.boundary.CollectorProvider +import org.onap.dcae.collectors.veshv.boundary.ConfigurationProvider +import org.onap.dcae.collectors.veshv.boundary.Metrics +import org.onap.dcae.collectors.veshv.boundary.SinkProvider +import org.onap.dcae.collectors.veshv.domain.WireFrameDecoder +import org.onap.dcae.collectors.veshv.healthcheck.api.HealthState +import org.onap.dcae.collectors.veshv.healthcheck.api.HealthDescription +import org.onap.dcae.collectors.veshv.impl.Router +import org.onap.dcae.collectors.veshv.impl.VesDecoder +import org.onap.dcae.collectors.veshv.impl.VesHvCollector +import org.onap.dcae.collectors.veshv.impl.wire.WireChunkDecoder +import org.onap.dcae.collectors.veshv.model.CollectorConfiguration +import org.onap.dcae.collectors.veshv.utils.arrow.getOption +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import java.util.concurrent.atomic.AtomicReference + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +class CollectorFactory(val configuration: ConfigurationProvider, + private val sinkProvider: SinkProvider, + private val metrics: Metrics, + private val maximumPayloadSizeBytes: Int, + private val healthState: HealthState = HealthState.INSTANCE) { + + fun createVesHvCollectorProvider(): CollectorProvider { + val collector: AtomicReference<Collector> = AtomicReference() + configuration() + .map(this::createVesHvCollector) + .doOnNext { + logger.info("Using updated configuration for new connections") + healthState.changeState(HealthDescription.HEALTHY) + } + .doOnError { + logger.error("Failed to acquire configuration from consul") + healthState.changeState(HealthDescription.CONSUL_CONFIGURATION_NOT_FOUND) + } + .subscribe(collector::set) + return collector::getOption + } + + private fun createVesHvCollector(config: CollectorConfiguration): Collector { + return VesHvCollector( + wireChunkDecoderSupplier = { alloc -> + WireChunkDecoder(WireFrameDecoder(maximumPayloadSizeBytes), alloc) + }, + protobufDecoder = VesDecoder(), + router = Router(config.routing), + sink = sinkProvider(config), + metrics = metrics) + } + + companion object { + private val logger = Logger(CollectorFactory::class) + } +} + diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/ServerFactory.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/ServerFactory.kt new file mode 100644 index 00000000..dce933ab --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/ServerFactory.kt @@ -0,0 +1,35 @@ +/* + * ============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.factory + +import org.onap.dcae.collectors.veshv.boundary.CollectorProvider +import org.onap.dcae.collectors.veshv.boundary.Server +import org.onap.dcae.collectors.veshv.impl.socket.NettyTcpServer +import org.onap.dcae.collectors.veshv.model.ServerConfiguration +import org.onap.dcae.collectors.veshv.ssl.boundary.ServerSslContextFactory + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +object ServerFactory { + fun createNettyTcpServer(serverConfiguration: ServerConfiguration, collectorProvider: CollectorProvider): Server = + NettyTcpServer(serverConfiguration, ServerSslContextFactory(), collectorProvider) +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt new file mode 100644 index 00000000..fb949079 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt @@ -0,0 +1,38 @@ +/* + * ============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.impl + +import org.onap.dcae.collectors.veshv.domain.headerRequiredFieldDescriptors +import org.onap.dcae.collectors.veshv.domain.vesEventListenerVersionRegex +import org.onap.dcae.collectors.veshv.model.VesMessage +import org.onap.ves.VesEventOuterClass.CommonEventHeader + +internal object MessageValidator { + + fun isValid(message: VesMessage): Boolean { + return allMandatoryFieldsArePresent(message.header) + } + + private fun allMandatoryFieldsArePresent(header: CommonEventHeader) = + headerRequiredFieldDescriptors + .all { fieldDescriptor -> header.hasField(fieldDescriptor) } + .and(vesEventListenerVersionRegex.matches(header.vesEventListenerVersion)) + +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/Router.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/Router.kt new file mode 100644 index 00000000..cee658b6 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/Router.kt @@ -0,0 +1,30 @@ +/* + * ============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.impl + +import arrow.core.Option +import org.onap.dcae.collectors.veshv.model.RoutedMessage +import org.onap.dcae.collectors.veshv.model.Routing +import org.onap.dcae.collectors.veshv.model.VesMessage + +class Router(private val routing: Routing) { + fun findDestination(message: VesMessage): Option<RoutedMessage> = + routing.routeFor(message.header).map { it(message) } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/VesDecoder.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/VesDecoder.kt new file mode 100644 index 00000000..1d43588f --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/VesDecoder.kt @@ -0,0 +1,39 @@ +/* + * ============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.impl + +import arrow.core.Try +import arrow.core.Option +import org.onap.dcae.collectors.veshv.domain.ByteData +import org.onap.dcae.collectors.veshv.model.VesMessage +import org.onap.ves.VesEventOuterClass.VesEvent + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +internal class VesDecoder { + + fun decode(bytes: ByteData): Option<VesMessage> = + Try { + val decodedHeader = VesEvent.parseFrom(bytes.unsafeAsArray()).commonEventHeader + VesMessage(decodedHeader, bytes) + }.toOption() +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/VesHvCollector.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/VesHvCollector.kt new file mode 100644 index 00000000..2f12e0cd --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/VesHvCollector.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.impl + +import arrow.core.Option +import io.netty.buffer.ByteBuf +import io.netty.buffer.ByteBufAllocator +import org.onap.dcae.collectors.veshv.boundary.Collector +import org.onap.dcae.collectors.veshv.boundary.Metrics +import org.onap.dcae.collectors.veshv.boundary.Sink +import org.onap.dcae.collectors.veshv.domain.WireFrameMessage +import org.onap.dcae.collectors.veshv.impl.wire.WireChunkDecoder +import org.onap.dcae.collectors.veshv.model.RoutedMessage +import org.onap.dcae.collectors.veshv.model.VesMessage +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import org.onap.dcae.collectors.veshv.utils.logging.handleReactiveStreamError +import reactor.core.publisher.Flux +import reactor.core.publisher.Mono + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +internal class VesHvCollector( + private val wireChunkDecoderSupplier: (ByteBufAllocator) -> WireChunkDecoder, + private val protobufDecoder: VesDecoder, + private val router: Router, + private val sink: Sink, + private val metrics: Metrics) : Collector { + + override fun handleConnection(alloc: ByteBufAllocator, dataStream: Flux<ByteBuf>): Mono<Void> = + wireChunkDecoderSupplier(alloc).let { wireDecoder -> + dataStream + .transform { decodeWireFrame(it, wireDecoder) } + .filter(WireFrameMessage::isValid) + .transform(::decodePayload) + .filter(VesMessage::isValid) + .transform(::routeMessage) + .onErrorResume { logger.handleReactiveStreamError(it) } + .doFinally { releaseBuffersMemory(wireDecoder) } + .then() + } + + private fun decodeWireFrame(flux: Flux<ByteBuf>, decoder: WireChunkDecoder): Flux<WireFrameMessage> = flux + .doOnNext { metrics.notifyBytesReceived(it.readableBytes()) } + .concatMap(decoder::decode) + .doOnNext { metrics.notifyMessageReceived(it.payloadSize) } + + private fun decodePayload(flux: Flux<WireFrameMessage>): Flux<VesMessage> = flux + .map(WireFrameMessage::payload) + .map(protobufDecoder::decode) + .flatMap { omitWhenNone(it) } + + private fun routeMessage(flux: Flux<VesMessage>): Flux<RoutedMessage> = flux + .flatMap(this::findRoute) + .compose(sink::send) + .doOnNext { metrics.notifyMessageSent(it.topic) } + + + private fun findRoute(msg: VesMessage): Mono<RoutedMessage> = omitWhenNone((router::findDestination)(msg)) + + private fun <V> omitWhenNone(it: Option<V>): Mono<V> = it.fold( + { + logger.info("ommiting the message" + 5) + Mono.empty() }, + { Mono.just(it) }) + + private fun releaseBuffersMemory(wireChunkDecoder: WireChunkDecoder) = wireChunkDecoder.release() + + companion object { + private val logger = Logger(VesHvCollector::class) + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/AdapterFactory.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/AdapterFactory.kt new file mode 100644 index 00000000..8c16736d --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/AdapterFactory.kt @@ -0,0 +1,40 @@ +/* + * ============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.impl.adapters + +import org.onap.dcae.collectors.veshv.boundary.ConfigurationProvider +import org.onap.dcae.collectors.veshv.boundary.SinkProvider +import org.onap.dcae.collectors.veshv.impl.adapters.kafka.KafkaSinkProvider +import org.onap.dcae.collectors.veshv.model.ConfigurationProviderParams +import reactor.netty.http.client.HttpClient + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +object AdapterFactory { + fun kafkaSink(): SinkProvider = KafkaSinkProvider() + fun loggingSink(): SinkProvider = LoggingSinkProvider() + + fun consulConfigurationProvider(configurationProviderParams: ConfigurationProviderParams): ConfigurationProvider = + ConsulConfigurationProvider(httpAdapter(), configurationProviderParams) + + private fun httpAdapter(): HttpAdapter = HttpAdapter(HttpClient.create()) +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/ConsulConfigurationProvider.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/ConsulConfigurationProvider.kt new file mode 100644 index 00000000..ec7c60c0 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/ConsulConfigurationProvider.kt @@ -0,0 +1,122 @@ +/* + * ============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.impl.adapters + +import org.onap.dcae.collectors.veshv.boundary.ConfigurationProvider +import org.onap.dcae.collectors.veshv.healthcheck.api.HealthDescription +import org.onap.dcae.collectors.veshv.healthcheck.api.HealthState +import org.onap.dcae.collectors.veshv.model.CollectorConfiguration +import org.onap.dcae.collectors.veshv.model.ConfigurationProviderParams +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import reactor.core.publisher.Flux +import reactor.core.publisher.Mono +import reactor.retry.Jitter +import reactor.retry.Retry +import java.io.StringReader +import java.time.Duration +import java.util.concurrent.atomic.AtomicReference +import javax.json.Json +import javax.json.JsonObject + + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since May 2018 + */ +internal class ConsulConfigurationProvider(private val http: HttpAdapter, + private val url: String, + private val firstRequestDelay: Duration, + private val requestInterval: Duration, + private val healthState: HealthState, + retrySpec: Retry<Any> + +) : ConfigurationProvider { + + private val lastConfigurationHash: AtomicReference<Int> = AtomicReference(0) + private val retry = retrySpec + .doOnRetry { + logger.warn("Could not get fresh configuration", it.exception()) + healthState.changeState(HealthDescription.RETRYING_FOR_CONSUL_CONFIGURATION) + } + + constructor(http: HttpAdapter, + params: ConfigurationProviderParams) : this( + http, + params.configurationUrl, + params.firstRequestDelay, + params.requestInterval, + HealthState.INSTANCE, + Retry.any<Any>() + .retryMax(MAX_RETRIES) + .fixedBackoff(params.requestInterval.dividedBy(BACKOFF_INTERVAL_FACTOR)) + .jitter(Jitter.random()) + ) + + override fun invoke(): Flux<CollectorConfiguration> = + Flux.interval(firstRequestDelay, requestInterval) + .concatMap { askForConfig() } + .flatMap(::filterDifferentValues) + .map(::parseJsonResponse) + .map(::createCollectorConfiguration) + .retryWhen(retry) + + private fun askForConfig(): Mono<String> = http.get(url) + + private fun filterDifferentValues(configurationString: String) = + hashOf(configurationString).let { + if (it == lastConfigurationHash.get()) { + Mono.empty() + } else { + lastConfigurationHash.set(it) + Mono.just(configurationString) + } + } + + private fun hashOf(str: String) = str.hashCode() + + private fun parseJsonResponse(responseString: String): JsonObject = + Json.createReader(StringReader(responseString)).readObject() + + private fun createCollectorConfiguration(configuration: JsonObject): CollectorConfiguration { + logger.info { "Obtained new configuration from consul:\n${configuration}" } + val routing = configuration.getJsonArray("collector.routing") + + return CollectorConfiguration( + kafkaBootstrapServers = configuration.getString("dmaap.kafkaBootstrapServers"), + routing = org.onap.dcae.collectors.veshv.model.routing { + for (route in routing) { + val routeObj = route.asJsonObject() + defineRoute { + fromDomain(routeObj.getString("fromDomain")) + toTopic(routeObj.getString("toTopic")) + withFixedPartitioning() + } + } + }.build() + ) + } + + companion object { + private const val MAX_RETRIES = 5L + private const val BACKOFF_INTERVAL_FACTOR = 30L + private val logger = Logger(ConsulConfigurationProvider::class) + } +} + diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/HttpAdapter.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/HttpAdapter.kt new file mode 100644 index 00000000..bdce6f73 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/HttpAdapter.kt @@ -0,0 +1,68 @@ +/* + * ============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.impl.adapters + +import io.netty.handler.codec.http.HttpStatusClass +import org.slf4j.LoggerFactory +import reactor.core.publisher.Mono +import reactor.netty.http.client.HttpClient + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since May 2018 + */ +open class HttpAdapter(private val httpClient: HttpClient) { + + private val logger = LoggerFactory.getLogger(HttpAdapter::class.java) + + open fun get(url: String, queryParams: Map<String, Any> = emptyMap()): Mono<String> = httpClient + .get() + .uri(url + createQueryString(queryParams)) + .responseSingle { response, content -> + if (response.status().codeClass() == HttpStatusClass.SUCCESS) + content.asString() + else { + val errorMessage = "$url ${response.status().code()} ${response.status().reasonPhrase()}" + Mono.error(IllegalStateException(errorMessage)) + } + } + .doOnError { + logger.error("Failed to get resource on path: $url (${it.localizedMessage})") + logger.debug("Nested exception:", it) + } + + private fun createQueryString(params: Map<String, Any>): String { + if (params.isEmpty()) + return "" + + val builder = StringBuilder("?") + params.forEach { (key, value) -> + builder + .append(key) + .append("=") + .append(value) + .append("&") + + } + + return builder.removeSuffix("&").toString() + } + +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/LoggingSinkProvider.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/LoggingSinkProvider.kt new file mode 100644 index 00000000..5f4bf354 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/LoggingSinkProvider.kt @@ -0,0 +1,62 @@ +/* + * ============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.impl.adapters + +import org.onap.dcae.collectors.veshv.boundary.Sink +import org.onap.dcae.collectors.veshv.boundary.SinkProvider +import org.onap.dcae.collectors.veshv.model.CollectorConfiguration +import org.onap.dcae.collectors.veshv.model.RoutedMessage +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import reactor.core.publisher.Flux +import java.util.concurrent.atomic.AtomicLong + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since June 2018 + */ +internal class LoggingSinkProvider : SinkProvider { + + override fun invoke(config: CollectorConfiguration): Sink { + return object : Sink { + private val totalMessages = AtomicLong() + private val totalBytes = AtomicLong() + + override fun send(messages: Flux<RoutedMessage>): Flux<RoutedMessage> = + messages + .doOnNext(this::logMessage) + + private fun logMessage(msg: RoutedMessage) { + val msgs = totalMessages.addAndGet(1) + val bytes = totalBytes.addAndGet(msg.message.rawMessage.size().toLong()) + val logMessageSupplier = { "Message routed to ${msg.topic}. Total = $msgs ($bytes B)" } + if (msgs % INFO_LOGGING_FREQ == 0L) + logger.info(logMessageSupplier) + else + logger.trace(logMessageSupplier) + } + + } + } + + companion object { + const val INFO_LOGGING_FREQ = 100_000 + private val logger = Logger(LoggingSinkProvider::class) + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/KafkaSink.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/KafkaSink.kt new file mode 100644 index 00000000..a0c22418 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/KafkaSink.kt @@ -0,0 +1,82 @@ +/* + * ============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.impl.adapters.kafka + +import org.onap.dcae.collectors.veshv.boundary.Sink +import org.onap.dcae.collectors.veshv.model.RoutedMessage +import org.onap.dcae.collectors.veshv.model.VesMessage +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import org.onap.ves.VesEventOuterClass.CommonEventHeader +import reactor.core.publisher.Flux +import reactor.kafka.sender.KafkaSender +import reactor.kafka.sender.SenderRecord +import reactor.kafka.sender.SenderResult +import java.util.concurrent.atomic.AtomicLong + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +internal class KafkaSink(private val sender: KafkaSender<CommonEventHeader, VesMessage>) : Sink { + private val sentMessages = AtomicLong(0) + + override fun send(messages: Flux<RoutedMessage>): Flux<RoutedMessage> { + val records = messages.map(this::vesToKafkaRecord) + val result = sender.send(records) + .doOnNext(::logException) + .filter(::isSuccessful) + .map { it.correlationMetadata() } + + return if (logger.traceEnabled) { + result.doOnNext(::logSentMessage) + } else { + result + } + } + + private fun vesToKafkaRecord(msg: RoutedMessage): SenderRecord<CommonEventHeader, VesMessage, RoutedMessage> { + return SenderRecord.create( + msg.topic, + msg.partition, + System.currentTimeMillis(), + msg.message.header, + msg.message, + msg) + } + + private fun logException(senderResult: SenderResult<out Any>) { + if (senderResult.exception() != null) { + logger.warn(senderResult.exception()) { "Failed to send message to Kafka" } + } + } + + private fun logSentMessage(sentMsg: RoutedMessage) { + logger.trace { + val msgNum = sentMessages.incrementAndGet() + "Message #$msgNum has been sent to ${sentMsg.topic}:${sentMsg.partition}" + } + } + + private fun isSuccessful(senderResult: SenderResult<out Any>) = senderResult.exception() == null + + companion object { + val logger = Logger(KafkaSink::class) + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/KafkaSinkProvider.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/KafkaSinkProvider.kt new file mode 100644 index 00000000..18191952 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/KafkaSinkProvider.kt @@ -0,0 +1,45 @@ +/* + * ============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.impl.adapters.kafka + +import org.apache.kafka.clients.producer.ProducerConfig +import org.onap.dcae.collectors.veshv.boundary.Sink +import org.onap.dcae.collectors.veshv.boundary.SinkProvider +import org.onap.dcae.collectors.veshv.model.CollectorConfiguration +import org.onap.dcae.collectors.veshv.model.VesMessage +import org.onap.ves.VesEventOuterClass.CommonEventHeader +import reactor.kafka.sender.KafkaSender +import reactor.kafka.sender.SenderOptions + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since June 2018 + */ +internal class KafkaSinkProvider : SinkProvider { + override fun invoke(config: CollectorConfiguration): Sink { + return KafkaSink(KafkaSender.create(constructSenderOptions(config))) + } + + private fun constructSenderOptions(config: CollectorConfiguration) = + SenderOptions.create<CommonEventHeader, VesMessage>() + .producerProperty(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, config.kafkaBootstrapServers) + .producerProperty(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, ProtobufSerializer::class.java) + .producerProperty(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, VesMessageSerializer::class.java) +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/ProtobufSerializer.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/ProtobufSerializer.kt new file mode 100644 index 00000000..4e9932cc --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/ProtobufSerializer.kt @@ -0,0 +1,40 @@ +/* + * ============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.impl.adapters.kafka + +import com.google.protobuf.MessageLite +import org.apache.kafka.common.serialization.Serializer + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since June 2018 + */ +class ProtobufSerializer : Serializer<MessageLite> { + override fun configure(configs: MutableMap<String, *>?, isKey: Boolean) { + // no configuration + } + + override fun serialize(topic: String?, data: MessageLite?): ByteArray? = + data?.toByteArray() + + override fun close() { + // cleanup not needed + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/VesMessageSerializer.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/VesMessageSerializer.kt new file mode 100644 index 00000000..7a6ac7c8 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/adapters/kafka/VesMessageSerializer.kt @@ -0,0 +1,37 @@ +/* + * ============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.impl.adapters.kafka + +import org.apache.kafka.common.serialization.Serializer +import org.onap.dcae.collectors.veshv.model.VesMessage + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since June 2018 + */ +class VesMessageSerializer : Serializer<VesMessage> { + override fun configure(configs: MutableMap<String, *>?, isKey: Boolean) { + } + + override fun serialize(topic: String?, msg: VesMessage?): ByteArray? = msg?.rawMessage?.unsafeAsArray() + + override fun close() { + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/socket/NettyTcpServer.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/socket/NettyTcpServer.kt new file mode 100644 index 00000000..e535300a --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/socket/NettyTcpServer.kt @@ -0,0 +1,114 @@ +/* + * ============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.impl.socket + +import arrow.core.getOrElse +import arrow.effects.IO +import org.onap.dcae.collectors.veshv.boundary.CollectorProvider +import org.onap.dcae.collectors.veshv.boundary.Server +import org.onap.dcae.collectors.veshv.model.ServerConfiguration +import org.onap.dcae.collectors.veshv.ssl.boundary.ServerSslContextFactory +import org.onap.dcae.collectors.veshv.utils.NettyServerHandle +import org.onap.dcae.collectors.veshv.utils.ServerHandle +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import reactor.core.publisher.Mono +import reactor.netty.ByteBufFlux +import reactor.netty.Connection +import reactor.netty.NettyInbound +import reactor.netty.NettyOutbound +import reactor.netty.tcp.TcpServer +import java.time.Duration + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +internal class NettyTcpServer(private val serverConfig: ServerConfiguration, + private val sslContextFactory: ServerSslContextFactory, + private val collectorProvider: CollectorProvider) : Server { + + override fun start(): IO<ServerHandle> = IO { + val tcpServer = TcpServer.create() + .addressSupplier { serverConfig.serverListenAddress } + .configureSsl() + .handle(this::handleConnection) + + NettyServerHandle(tcpServer.bindNow()) + } + + private fun TcpServer.configureSsl() = + sslContextFactory + .createSslContext(serverConfig.securityConfiguration) + .map { sslContext -> + this.secure { b -> b.sslContext(sslContext) } + }.getOrElse { this } + + private fun handleConnection(nettyInbound: NettyInbound, nettyOutbound: NettyOutbound): Mono<Void> = + collectorProvider().fold( + { + nettyInbound.withConnection { conn -> + logger.warn { "Collector not ready. Closing connection from ${conn.address()}..." } + } + Mono.empty() + }, + { + nettyInbound.withConnection { conn -> + logger.info { "Handling connection from ${conn.address()}" } + conn.configureIdleTimeout(serverConfig.idleTimeout) + .logConnectionClosed() + } + it.handleConnection(nettyOutbound.alloc(), createDataStream(nettyInbound)) + } + ) + + private fun createDataStream(nettyInbound: NettyInbound): ByteBufFlux = nettyInbound + .receive() + .retain() + + private fun Connection.configureIdleTimeout(timeout: Duration): Connection { + onReadIdle(timeout.toMillis()) { + logger.info { + "Idle timeout of ${timeout.seconds} s reached. Closing connection from ${address()}..." + } + disconnectClient() + } + return this + } + + private fun Connection.disconnectClient() { + channel().close().addListener { + if (it.isSuccess) + logger.debug { "Channel (${address()}) closed successfully." } + else + logger.warn("Channel close failed", it.cause()) + } + } + + private fun Connection.logConnectionClosed(): Connection { + onTerminate().subscribe { + logger.info("Connection from ${address()} has been closed") + } + return this + } + + companion object { + private val logger = Logger(NettyTcpServer::class) + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/wire/WireChunkDecoder.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/wire/WireChunkDecoder.kt new file mode 100644 index 00000000..4a2ef6b2 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/wire/WireChunkDecoder.kt @@ -0,0 +1,101 @@ +/* + * ============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.impl.wire + +import arrow.effects.IO +import io.netty.buffer.ByteBuf +import io.netty.buffer.ByteBufAllocator +import org.onap.dcae.collectors.veshv.domain.WireFrameMessage +import org.onap.dcae.collectors.veshv.domain.WireFrameDecoder +import org.onap.dcae.collectors.veshv.domain.InvalidWireFrame +import org.onap.dcae.collectors.veshv.domain.WireFrameDecodingError +import org.onap.dcae.collectors.veshv.domain.MissingWireFrameBytes +import org.onap.dcae.collectors.veshv.utils.logging.Logger +import org.onap.dcae.collectors.veshv.utils.logging.handleReactiveStreamError +import reactor.core.publisher.Flux +import reactor.core.publisher.SynchronousSink + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +internal class WireChunkDecoder( + private val decoder: WireFrameDecoder, + alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT) { + private val streamBuffer = alloc.compositeBuffer() + + fun release() { + streamBuffer.release() + } + + fun decode(byteBuf: ByteBuf): Flux<WireFrameMessage> = Flux.defer { + logIncomingMessage(byteBuf) + if (byteBuf.readableBytes() == 0) { + byteBuf.release() + Flux.empty() + } else { + streamBuffer.addComponent(true, byteBuf) + generateFrames() + .onErrorResume { logger.handleReactiveStreamError(it, Flux.error(it)) } + .doFinally { streamBuffer.discardReadComponents() } + } + } + + private fun generateFrames(): Flux<WireFrameMessage> = Flux.generate { next -> + decoder.decodeFirst(streamBuffer) + .fold(onError(next), onSuccess(next)) + .unsafeRunSync() + } + + private fun onError(next: SynchronousSink<WireFrameMessage>): (WireFrameDecodingError) -> IO<Unit> = { err -> + when (err) { + is InvalidWireFrame -> IO { + next.error(WireFrameException(err)) + } + is MissingWireFrameBytes -> IO { + logEndOfData() + next.complete() + } + } + } + + private fun onSuccess(next: SynchronousSink<WireFrameMessage>): (WireFrameMessage) -> IO<Unit> = { frame -> + IO { + logDecodedWireMessage(frame) + next.next(frame) + } + } + + private fun logIncomingMessage(wire: ByteBuf) { + logger.trace { "Got message with total size of ${wire.readableBytes()} B" } + } + + private fun logDecodedWireMessage(wire: WireFrameMessage) { + logger.trace { "Wire payload size: ${wire.payloadSize} B" } + } + + private fun logEndOfData() { + logger.trace { "End of data in current TCP buffer" } + } + + companion object { + val logger = Logger(WireChunkDecoder::class) + } +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/wire/WireFrameException.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/wire/WireFrameException.kt new file mode 100644 index 00000000..83a7cd85 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/wire/WireFrameException.kt @@ -0,0 +1,29 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.collectors.veshv.impl.wire + +import org.onap.dcae.collectors.veshv.domain.WireFrameDecodingError + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since June 2018 + */ +class WireFrameException(error: WireFrameDecodingError) + : Exception("${error::class.simpleName}: ${error.message}") diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/CollectorConfiguration.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/CollectorConfiguration.kt new file mode 100644 index 00000000..ec546c7d --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/CollectorConfiguration.kt @@ -0,0 +1,26 @@ +/* + * ============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.model + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +data class CollectorConfiguration(val kafkaBootstrapServers: String, val routing: Routing) diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/ConfigurationProviderParams.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/ConfigurationProviderParams.kt new file mode 100644 index 00000000..9de34498 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/ConfigurationProviderParams.kt @@ -0,0 +1,30 @@ +/* + * ============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.model + +import java.time.Duration + +/** + * @author Jakub Dudycz <jakub.dudycz@nokia.com> + * @since July 2018 + */ +data class ConfigurationProviderParams(val configurationUrl: String, + val firstRequestDelay: Duration, + val requestInterval: Duration) diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/RoutedMessage.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/RoutedMessage.kt new file mode 100644 index 00000000..782877e3 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/RoutedMessage.kt @@ -0,0 +1,22 @@ +/* + * ============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.model + +data class RoutedMessage(val topic: String, val partition: Int, val message: VesMessage) diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/ServerConfiguration.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/ServerConfiguration.kt new file mode 100644 index 00000000..85117684 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/ServerConfiguration.kt @@ -0,0 +1,37 @@ +/* + * ============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.model + +import org.onap.dcae.collectors.veshv.domain.SecurityConfiguration +import java.net.InetSocketAddress +import java.time.Duration + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +data class ServerConfiguration( + val serverListenAddress: InetSocketAddress, + val configurationProviderParams: ConfigurationProviderParams, + val securityConfiguration: SecurityConfiguration, + val idleTimeout: Duration, + val healthCheckApiListenAddress: InetSocketAddress, + val maximumPayloadSizeBytes: Int, + val dummyMode: Boolean = false) diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/VesMessage.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/VesMessage.kt new file mode 100644 index 00000000..f5bfcce1 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/VesMessage.kt @@ -0,0 +1,32 @@ +/* + * ============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.model + +import org.onap.dcae.collectors.veshv.domain.ByteData +import org.onap.dcae.collectors.veshv.impl.MessageValidator +import org.onap.ves.VesEventOuterClass.CommonEventHeader + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since May 2018 + */ +data class VesMessage(val header: CommonEventHeader, val rawMessage: ByteData) { + fun isValid(): Boolean = MessageValidator.isValid(this) +} diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/routing.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/routing.kt new file mode 100644 index 00000000..bab95c57 --- /dev/null +++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/model/routing.kt @@ -0,0 +1,83 @@ +/* + * ============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.model + +import arrow.core.Option +import org.onap.ves.VesEventOuterClass.CommonEventHeader + +data class Routing(val routes: List<Route>) { + + fun routeFor(commonHeader: CommonEventHeader): Option<Route> = + Option.fromNullable(routes.find { it.applies(commonHeader) }) +} + +data class Route(val domain: String, val targetTopic: String, val partitioning: (CommonEventHeader) -> Int) { + + fun applies(commonHeader: CommonEventHeader) = commonHeader.domain == domain + + operator fun invoke(message: VesMessage): RoutedMessage = + RoutedMessage(targetTopic, partitioning(message.header), message) +} + + +/* +Configuration DSL + */ + +fun routing(init: RoutingBuilder.() -> Unit): RoutingBuilder { + val conf = RoutingBuilder() + conf.init() + return conf +} + +class RoutingBuilder { + private val routes: MutableList<RouteBuilder> = mutableListOf() + + fun defineRoute(init: RouteBuilder.() -> Unit): RouteBuilder { + val rule = RouteBuilder() + rule.init() + routes.add(rule) + return rule + } + + fun build() = Routing(routes.map { it.build() }.toList()) +} + +class RouteBuilder { + + private lateinit var domain: String + private lateinit var targetTopic: String + private lateinit var partitioning: (CommonEventHeader) -> Int + + fun fromDomain(domain: String) { + this.domain = domain + } + + fun toTopic(targetTopic: String) { + this.targetTopic = targetTopic + } + + fun withFixedPartitioning(num: Int = 0) { + partitioning = { num } + } + + fun build() = Route(domain, targetTopic, partitioning) + +} |