kamon.instrumentation.logback.tools.SpanIDConverter.scala Maven / Gradle / Ivy
/*
* Copyright 2013-2021 The Kamon Project
*
* 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 kamon.instrumentation.logback.tools
import ch.qos.logback.classic.pattern.ClassicConverter
import ch.qos.logback.classic.spi.ILoggingEvent
import kamon.Kamon
import kamon.trace.Identifier
class SpanIDConverter extends ClassicConverter {
override def convert(event: ILoggingEvent): String = {
val currentSpan = Kamon.currentSpan()
val spanID = currentSpan.id
if(spanID == Identifier.Empty)
"undefined"
else
spanID.string
}
}