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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2019 NOKIA
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.collectors.veshv.config.impl
import arrow.core.Either
import arrow.core.None
import arrow.core.Option
import arrow.core.Some
import arrow.core.getOrElse
import org.onap.dcae.collectors.veshv.config.api.model.CbsConfiguration
import org.onap.dcae.collectors.veshv.config.api.model.CollectorConfiguration
import org.onap.dcae.collectors.veshv.config.api.model.HvVesConfiguration
import org.onap.dcae.collectors.veshv.config.api.model.Route
import org.onap.dcae.collectors.veshv.config.api.model.Routing
import org.onap.dcae.collectors.veshv.config.api.model.ServerConfiguration
import org.onap.dcae.collectors.veshv.ssl.boundary.SecurityConfiguration
import org.onap.dcae.collectors.veshv.utils.arrow.OptionUtils.binding
import org.onap.dcae.collectors.veshv.utils.arrow.mapBinding
import org.onap.dcae.collectors.veshv.utils.logging.LogLevel
import org.onap.dcae.collectors.veshv.utils.logging.Logger
import java.net.InetSocketAddress
import java.time.Duration
/**
* @author Jakub Dudycz <jakub.dudycz@nokia.com>
* @since March 2019
*/
internal class ConfigurationValidator {
fun validate(partialConfig: PartialConfiguration)
: Either<ValidationError, HvVesConfiguration> = binding {
val logLevel = determineLogLevel(partialConfig.logLevel)
val serverConfiguration = partialConfig.server.bind()
.let { createServerConfiguration(it).bind() }
val cbsConfiguration = partialConfig.cbs.bind()
.let { createCbsConfiguration(it).bind() }
val securityConfiguration = SecurityConfiguration(partialConfig.security.bind().keys)
// TOD0: retrieve when ConfigurationMerger is implemented
// val collectorConfiguration = partialConfig.collector.bind()
// .let { createCollectorConfig(it).bind() }
HvVesConfiguration(
serverConfiguration,
cbsConfiguration,
securityConfiguration,
// TOD0: swap when ConfigurationMerger is implemented
// collectorConfiguration
CollectorConfiguration(-1,
"I do not exist. I'm not even a URL :o",
Routing(emptyList())),
// end TOD0
logLevel
)
}.toEither { ValidationError("Some required configuration options are missing") }
private fun determineLogLevel(logLevel: Option<LogLevel>) =
logLevel.getOrElse {
logger.warn {
"Missing or invalid \"logLevel\" field. " +
"Using default log level ($DEFAULT_LOG_LEVEL)"
}
DEFAULT_LOG_LEVEL
}
private fun createServerConfiguration(partial: PartialServerConfig) =
partial.mapBinding {
ServerConfiguration(
it.listenPort.bind(),
it.idleTimeoutSec.bind(),
it.maxPayloadSizeBytes.bind()
)
}
private fun createCbsConfiguration(partial: PartialCbsConfig) =
partial.mapBinding {
CbsConfiguration(
it.firstRequestDelaySec.bind(),
it.requestIntervalSec.bind()
)
}
// TOD0: retrieve when ConfigurationMerger is implemented
// private fun createCollectorConfig(partial: PartialCollectorConfig) =
// partial.mapBinding {
// CollectorConfiguration(
// it.maxRequestSizeBytes.bind(),
// toKafkaServersString(it.kafkaServers.bind()),
// it.routing.bind()
// )
// }
private fun toKafkaServersString(kafkaServers: List<InetSocketAddress>): String =
kafkaServers.joinToString(",") { "${it.hostName}:${it.port}" }
companion object {
val DEFAULT_LOG_LEVEL = LogLevel.INFO
private val logger = Logger(ConfigurationValidator::class)
}
}
data class ValidationError(val message: String, val cause: Option<Throwable> = None)
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