/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.openwhisk.core.monitoring.metrics import akka.actor.ActorSystem import akka.http.scaladsl.Http import akka.stream.ActorMaterializer import kamon.Kamon import scala.concurrent.duration.DurationInt import scala.concurrent.{Await, ExecutionContextExecutor, Future} object Main { def main(args: Array[String]): Unit = { Kamon.init() implicit val system: ActorSystem = ActorSystem("events-actor-system") implicit val materializer: ActorMaterializer = ActorMaterializer() val binding = OpenWhiskEvents.start(system.settings.config) addShutdownHook(binding) } private def addShutdownHook(binding: Future[Http.ServerBinding])(implicit actorSystem: ActorSystem, materializer: ActorMaterializer): Unit = { implicit val ec: ExecutionContextExecutor = actorSystem.dispatcher sys.addShutdownHook { Await.result(binding.map(_.unbind()), 30.seconds) Await.result(actorSystem.whenTerminated, 30.seconds) } } }