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

   1 /*
   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
  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.config.api
  21
  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.CbsConfigurationProvider
  26 import org.onap.dcae.collectors.veshv.config.impl.ConfigurationMerger
  27 import org.onap.dcae.collectors.veshv.config.impl.ConfigurationValidator
  28 import org.onap.dcae.collectors.veshv.config.impl.FileConfigurationReader
  29 import org.onap.dcae.collectors.veshv.config.impl.HvVesCommandLineParser
  30 import org.onap.dcae.collectors.veshv.utils.arrow.rightOrThrow
  31 import org.onap.dcae.collectors.veshv.utils.arrow.throwOnLeft
  32 import org.onap.dcae.collectors.veshv.utils.logging.MappedDiagnosticContext
  33 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClientFactory
  34 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties
  35 import reactor.core.publisher.Flux
  36
  37 class ConfigurationModule {
  38
  39     private val cmd = HvVesCommandLineParser()
  40     private val configReader = FileConfigurationReader()
  41     private val configValidator = ConfigurationValidator()
  42
  43     fun healthCheckPort(args: Array<String>): Int = cmd.getHealthcheckPort(args)
  44
  45     fun hvVesConfigurationUpdates(args: Array<String>,
  46                                   configStateListener: ConfigurationStateListener,
  47                                   mdc: MappedDiagnosticContext): Flux<HvVesConfiguration> =
  48             Flux.just(cmd.getConfigurationFile(args))
  49                     .throwOnLeft { MissingArgumentException(it.message, it.cause) }
  50                     .map { it.reader().use(configReader::loadConfig) }
  51                     .cache()
  52                     .flatMap { basePartialConfig ->
  53                         val baseConfig = configValidator.validate(basePartialConfig)
  54                                 .rightOrThrow { ValidationException(it.message) }
  55                         val cbsConfigProvider = CbsConfigurationProvider(
  56                                 CbsClientFactory.createCbsClient(EnvProperties.fromEnvironment()),
  57                                 baseConfig.cbs,
  58                                 configStateListener,
  59                                 mdc)
  60                         val merger = ConfigurationMerger()
  61                         cbsConfigProvider()
  62                                 .map { merger.merge(basePartialConfig, it) }
  63                                 .map { configValidator.validate(it) }
  64                                 .throwOnLeft { ValidationException(it.message) }
  65                     }
  66
  67 }