gerrit.onap Code Review - dcaegen2/collectors/hv-ves.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * dcaegen2-collectors-veshv
   4  * ================================================================================
   5  * Copyright (C) 2018 NOKIA
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.dcae.collectors.veshv.simulators.xnf
  21
  22 import arrow.effects.IO
  23 import arrow.effects.fix
  24 import arrow.effects.instances.io.monad.monad
  25 import arrow.typeclasses.binding
  26 import org.onap.dcae.collectors.veshv.healthcheck.api.HealthDescription
  27 import org.onap.dcae.collectors.veshv.healthcheck.api.HealthState
  28 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.OngoingSimulations
  29 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfSimulator
  30 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfHealthCheckServer
  31 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.ArgXnfSimulatorConfiguration
  32 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfApiServer
  33 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.VesHvClient
  34 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.SimulatorConfiguration
  35 import org.onap.dcae.collectors.veshv.utils.arrow.ExitFailure
  36 import org.onap.dcae.collectors.veshv.utils.arrow.unsafeRunEitherSync
  37 import org.onap.dcae.collectors.veshv.utils.commandline.handleWrongArgumentErrorCurried
  38 import org.onap.dcae.collectors.veshv.utils.logging.Logger
  39 import org.onap.dcae.collectors.veshv.ves.message.generator.factory.MessageGeneratorFactory
  40 import ratpack.server.RatpackServer
  41
  42 private const val PACKAGE_NAME = "org.onap.dcae.collectors.veshv.simulators.xnf"
  43 private val logger = Logger(PACKAGE_NAME)
  44 const val PROGRAM_NAME = "java $PACKAGE_NAME.MainKt"
  45
  46 /**
  47  * @author Jakub Dudycz <jakub.dudycz@nokia.com>
  48  * @since June 2018
  49  */
  50 fun main(args: Array<String>) = ArgXnfSimulatorConfiguration().parse(args)
  51         .mapLeft(handleWrongArgumentErrorCurried(PROGRAM_NAME))
  52         .map(::startServers)
  53         .unsafeRunEitherSync(
  54                 { ex ->
  55                     logger.withError { log("Failed to start a server", ex) }
  56                     ExitFailure(1)
  57                 },
  58                 {
  59                     logger.info { "Started xNF Simulator API server" }
  60                     HealthState.INSTANCE.changeState(HealthDescription.IDLE)
  61                 }
  62         )
  63
  64 private fun startServers(config: SimulatorConfiguration): IO<RatpackServer> =
  65         IO.monad().binding {
  66             logger.info { "Using configuration: $config" }
  67             XnfHealthCheckServer().startServer(config).bind()
  68             val xnfSimulator = XnfSimulator(
  69                     VesHvClient(config),
  70                     MessageGeneratorFactory.create(config.maxPayloadSizeBytes))
  71             XnfApiServer(xnfSimulator, OngoingSimulations())
  72                     .start(config.listenAddress)
  73                     .bind()
  74         }.fix()