influxdbreporter.HttpInfluxdbReporter.scala Maven / Gradle / Ivy

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/*
 * Copyright 2015
 *
 * 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.
 */
package influxdbreporter

import java.util.concurrent.TimeUnit

import com.typesafe.config.{Config, ConfigFactory}
import influxdbreporter.core._
import influxdbreporter.core.writers.LineProtocolWriter

import scala.concurrent.ExecutionContext
import scala.concurrent.duration.FiniteDuration
import scala.util.Try
import scala.jdk.CollectionConverters._

object HttpInfluxdbReporter {

  def default(registry: MetricRegistry)
             (implicit executionContext: ExecutionContext): Try[Reporter] = {
    Try(ConfigFactory.load().getConfig("metrics"))
      .flatMap(default(_, registry))
  }

  def default(registry: MetricRegistry, name: String)
             (implicit executionContext: ExecutionContext): Try[Reporter] = {
    Try(ConfigFactory.load().getConfig("metrics"))
      .flatMap(default(_, registry, name))
  }

  def default(config: Config, registry: MetricRegistry)
             (implicit executionContext: ExecutionContext): Try[Reporter] = {
    parseConfig(config)
      .map(default(_, registry, None))
  }

  def default(config: Config, registry: MetricRegistry, name: String)
             (implicit executionContext: ExecutionContext): Try[Reporter] = {
    parseConfig(config)
      .map(default(_, registry, Some(name)))
  }

  def default(config: InfluxDbReporterConfig, registry: MetricRegistry)
             (implicit executionContext: ExecutionContext): Reporter = {
    default(config, registry, None)
  }

  def default(config: InfluxDbReporterConfig, registry: MetricRegistry, name: String)
             (implicit executionContext: ExecutionContext): Reporter = {
    default(config, registry, Some(name))
  }

  private def default(config: InfluxDbReporterConfig, registry: MetricRegistry, name: Option[String])
                     (implicit executionContext: ExecutionContext): Reporter = {
    new InfluxdbReporter[String](
      registry,
      new LineProtocolWriter(config.staticTags),
      new HttpInfluxdbClientFactory(config.connectionData)(executionContext, (config.reportInterval * 9) / 10),
      config.reportInterval,
      new InfluxBatcher,
      config.unsetBufferSize.map(new FixedSizeWriterDataBuffer(_)),
      name = name
    )
  }

  def parseConfig(config: Config): Try[InfluxDbReporterConfig] = Try {
    InfluxDbReporterConfig(
      ConnectionData(
        config.getString("address"),
        config.getInt("port"),
        config.getString("db-name"),
        config.getString("user"),
        config.getString("password")
      ),
      FiniteDuration(config.getDuration("interval").toMillis, TimeUnit.MILLISECONDS),
      Try(config.getInt("unsent-buffer-size")).toOption,
      getStaticTags(config)
    )
  }

  private def getStaticTags(config: Config): List[Tag] =
    Try {
      config.getConfigList("static-tags").asScala
        .map(c => Tag(c.getString("name"), c.getString("value")))
        .toList
    }.getOrElse(Nil)
}