2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2019 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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
20 package org.onap.dcae.collectors.veshv.config.api
22 import org.onap.dcae.collectors.veshv.config.api.model.HvVesConfiguration
23 import org.onap.dcae.collectors.veshv.config.api.model.MissingArgumentException
24 import org.onap.dcae.collectors.veshv.config.api.model.ValidationException
25 import org.onap.dcae.collectors.veshv.config.impl.ArgHvVesConfiguration
26 import org.onap.dcae.collectors.veshv.config.impl.ConfigurationValidator
27 import org.onap.dcae.collectors.veshv.config.impl.FileConfigurationReader
28 import org.onap.dcae.collectors.veshv.utils.arrow.throwOnLeft
29 import reactor.core.publisher.Flux
31 class ConfigurationModule {
33 private val cmd = ArgHvVesConfiguration()
34 private val configReader = FileConfigurationReader()
35 private val configValidator = ConfigurationValidator()
37 fun hvVesConfigurationUpdates(args: Array<String>): Flux<HvVesConfiguration> =
38 Flux.just(cmd.parse(args))
39 .throwOnLeft { MissingArgumentException(it.message, it.cause) }
40 .map { it.reader().use(configReader::loadConfig) }
41 .map { configValidator.validate(it) }
42 .throwOnLeft { ValidationException(it.message) }