package kamon
import java.util.concurrent.atomic.AtomicReference
import com.typesafe.config.{Config, ConfigFactory}
import kamon.metric.instrument.{DynamicRange, Histogram}
import kamon.metric.{MetricLookup, Registry}
import kamon.trace.Tracer
import kamon.util.MeasurementUnit
object Kamon extends MetricLookup {
private val _initialConfig = ConfigFactory.load()
//private val _recorderRegistry = new RecorderRegistryImpl(_initialConfig)
private val _reporterRegistry = new ReporterRegistryImpl(???, _initialConfig)
private val _tracer = new Tracer(???, _reporterRegistry)
private val _environment = new AtomicReference[Environment](environmentFromConfig(ConfigFactory.load()))
def tracer: io.opentracing.Tracer =
_tracer
// def metrics: RecorderRegistry =
// _recorderRegistry
def reporters: ReporterRegistry =
_reporterRegistry
def environment: Environment =
_environment.get()
def reconfigure(config: Config): Unit = synchronized {
// _recorderRegistry.reconfigure(config)
_reporterRegistry.reconfigure(config)
_environment.set(environmentFromConfig(config))
}
private val metricRegistry = new Registry(_initialConfig)
override def histogram(name: String, unit: MeasurementUnit, tags: Map[String, String], dynamicRange: Option[DynamicRange]): Histogram =
metricRegistry.histogram(name, unit, tags, dynamicRange)
case class Environment(config: Config, application: String, host: String, instance: String)
private def environmentFromConfig(config: Config): Environment = {
val environmentConfig = config.getConfig("kamon.environment")
val application = environmentConfig.getString("application")
val host = environmentConfig.getString("host")
val instance = environmentConfig.getString("instance")
Environment(config, application, host, instance)
}
}