fb28bc25e13c97e1a4021c4769899dc4b08637dc
[dcaegen2/collectors/hv-ves.git] / hv-collector-dcae-app-simulator / src / main / kotlin / org / onap / dcae / collectors / veshv / simulators / dcaeapp / main.kt
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.dcaeapp
21
22 import arrow.effects.IO
23 import org.onap.dcae.collectors.veshv.simulators.dcaeapp.config.ArgBasedDcaeAppSimConfiguration
24 import org.onap.dcae.collectors.veshv.simulators.dcaeapp.config.DcaeAppSimConfiguration
25 import org.onap.dcae.collectors.veshv.simulators.dcaeapp.kafka.ConsumerFactory
26 import org.onap.dcae.collectors.veshv.simulators.dcaeapp.remote.ApiServer
27 import org.onap.dcae.collectors.veshv.utils.arrow.ExitFailure
28 import org.onap.dcae.collectors.veshv.utils.arrow.unsafeRunEitherSync
29 import org.onap.dcae.collectors.veshv.utils.arrow.void
30 import org.onap.dcae.collectors.veshv.utils.commandline.handleWrongArgumentErrorCurried
31 import org.onap.dcae.collectors.veshv.utils.logging.Logger
32
33 private const val PACKAGE_NAME = "org.onap.dcae.collectors.veshv.simulators.dcaeapp"
34 private val logger = Logger(PACKAGE_NAME)
35 const val PROGRAM_NAME = "java $PACKAGE_NAME.MainKt"
36
37 fun main(args: Array<String>) =
38         ArgBasedDcaeAppSimConfiguration().parse(args)
39                 .mapLeft(handleWrongArgumentErrorCurried(PROGRAM_NAME))
40                 .map(::startApp)
41                 .unsafeRunEitherSync(
42                         { ex ->
43                             logger.error("Failed to start a server", ex)
44                             ExitFailure(1)
45                         },
46                         {
47                             logger.info("Started DCAE-APP Simulator API server")
48                         }
49                 )
50
51
52 private fun startApp(config: DcaeAppSimConfiguration): IO<Unit> {
53     return ApiServer(ConsumerFactory(config.kafkaBootstrapServers))
54             .start(config.apiPort, config.kafkaTopics)
55             .void()
56 }