logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <appender name="KUBE_CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
      <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
          <layout class="com.google.cloud.logging.GoogleCloudLoggingV2Layout">
              <appendLineSeparator>true</appendLineSeparator>
              <serviceName>opentsdb</serviceName>
              <serviceVersion>{{SERVICE_VERSION}}</serviceVersion>
              <jsonFormatter class="com.google.cloud.logging.GSONJsonFormatter"/>
          </layout>
      </encoder>
  </appender>
  <!-- Per class logger levels -->
  <logger name="QueryLog" level="{{QUERY_LOG_LEVEL}}" additivity="false">
    <appender-ref ref="KUBE_CONSOLE"/>
  </logger>

  <!-- Fallthrough root logger and router -->
  <root level="{{ROOT_LOG_LEVEL}}">
    <appender-ref ref="KUBE_CONSOLE" />
  </root>
</configuration>