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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018-2019 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.Option
import arrow.core.fix
import arrow.core.getOrElse
import arrow.instances.option.monad.monad
import arrow.typeclasses.binding
import org.apache.commons.cli.CommandLine
import org.apache.commons.cli.DefaultParser
import org.onap.dcae.collectors.veshv.commandline.ArgBasedConfiguration
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.CONFIGURATION_REQUEST_INTERVAL
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.CONFIGURATION_FIRST_REQUEST_DELAY
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.DUMMY_MODE
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.HEALTH_CHECK_API_PORT
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.IDLE_TIMEOUT_SEC
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.KAFKA_SERVERS
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.KEY_STORE_FILE
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.KEY_STORE_PASSWORD
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.LISTEN_PORT
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.LOG_LEVEL
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.MAXIMUM_PAYLOAD_SIZE_BYTES
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.SSL_DISABLE
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.TRUST_STORE_FILE
import org.onap.dcae.collectors.veshv.commandline.CommandLineOption.TRUST_STORE_PASSWORD
import org.onap.dcae.collectors.veshv.commandline.hasOption
import org.onap.dcae.collectors.veshv.commandline.intValue
import org.onap.dcae.collectors.veshv.commandline.longValue
import org.onap.dcae.collectors.veshv.commandline.stringValue
import org.onap.dcae.collectors.veshv.config.api.model.ConfigurationProviderParams
import org.onap.dcae.collectors.veshv.config.api.model.KafkaConfiguration
import org.onap.dcae.collectors.veshv.config.api.model.ServerConfiguration
import org.onap.dcae.collectors.veshv.domain.WireFrameMessage
import org.onap.dcae.collectors.veshv.ssl.boundary.createSecurityConfiguration
import org.onap.dcae.collectors.veshv.utils.arrow.doOnFailure
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
internal class ArgVesHvConfiguration : ArgBasedConfiguration<ServerConfiguration>(DefaultParser()) {
override val cmdLineOptionsList = listOf(
KAFKA_SERVERS,
HEALTH_CHECK_API_PORT,
LISTEN_PORT,
CONFIGURATION_FIRST_REQUEST_DELAY,
CONFIGURATION_REQUEST_INTERVAL,
SSL_DISABLE,
KEY_STORE_FILE,
KEY_STORE_PASSWORD,
TRUST_STORE_FILE,
TRUST_STORE_PASSWORD,
IDLE_TIMEOUT_SEC,
MAXIMUM_PAYLOAD_SIZE_BYTES,
DUMMY_MODE,
LOG_LEVEL
)
override fun getConfiguration(cmdLine: CommandLine): Option<ServerConfiguration> =
Option.monad().binding {
val healthCheckApiPort = cmdLine.intValue(
HEALTH_CHECK_API_PORT,
DefaultValues.HEALTH_CHECK_API_PORT
)
val kafkaServers = cmdLine.stringValue(KAFKA_SERVERS).bind()
val listenPort = cmdLine.intValue(LISTEN_PORT).bind()
val idleTimeoutSec = cmdLine.longValue(IDLE_TIMEOUT_SEC, DefaultValues.IDLE_TIMEOUT_SEC)
val maxPayloadSizeBytes = cmdLine.intValue(
MAXIMUM_PAYLOAD_SIZE_BYTES,
DefaultValues.MAX_PAYLOAD_SIZE_BYTES
)
val dummyMode = cmdLine.hasOption(DUMMY_MODE)
val security = createSecurityConfiguration(cmdLine)
.doOnFailure { ex ->
logger.withError { log("Could not read security keys", ex) }
}
.toOption()
.bind()
val logLevel = cmdLine.stringValue(LOG_LEVEL, DefaultValues.LOG_LEVEL)
val configurationProviderParams = createConfigurationProviderParams(cmdLine).bind()
ServerConfiguration(
serverListenAddress = InetSocketAddress(listenPort),
kafkaConfiguration = KafkaConfiguration(kafkaServers, maxPayloadSizeBytes),
healthCheckApiListenAddress = InetSocketAddress(healthCheckApiPort),
configurationProviderParams = configurationProviderParams,
securityConfiguration = security,
idleTimeout = Duration.ofSeconds(idleTimeoutSec),
maximumPayloadSizeBytes = maxPayloadSizeBytes,
dummyMode = dummyMode,
logLevel = determineLogLevel(logLevel)
)
}.fix()
private fun createConfigurationProviderParams(cmdLine: CommandLine): Option<ConfigurationProviderParams> =
Option.monad().binding {
val firstRequestDelay = cmdLine.longValue(
CONFIGURATION_FIRST_REQUEST_DELAY,
DefaultValues.CONFIGURATION_FIRST_REQUEST_DELAY
)
val requestInterval = cmdLine.longValue(
CONFIGURATION_REQUEST_INTERVAL,
DefaultValues.CONFIGURATION_REQUEST_INTERVAL
)
ConfigurationProviderParams(
Duration.ofSeconds(firstRequestDelay),
Duration.ofSeconds(requestInterval)
)
}.fix()
private fun determineLogLevel(logLevel: String) = LogLevel.optionFromString(logLevel)
.getOrElse {
logger.warn {
"Failed to parse $logLevel as $LOG_LEVEL command line. " +
"Using default log level (${DefaultValues.LOG_LEVEL})"
}
LogLevel.valueOf(DefaultValues.LOG_LEVEL)
}
internal object DefaultValues {
const val HEALTH_CHECK_API_PORT = 6060
const val CONFIGURATION_FIRST_REQUEST_DELAY = 10L
const val CONFIGURATION_REQUEST_INTERVAL = 5L
const val IDLE_TIMEOUT_SEC = 60L
const val MAX_PAYLOAD_SIZE_BYTES = WireFrameMessage.DEFAULT_MAX_PAYLOAD_SIZE_BYTES
val LOG_LEVEL = LogLevel.INFO.name
}
companion object {
private val logger = Logger(ArgVesHvConfiguration::class)
}
}
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