lila/conf/prod-logger.xml

<configuration>

  <conversionRule conversionWord="coloredLevel" converterClass="play.api.Logger$ColoredLevel" />

  <!-- STDOUT that accepts WARN and ERROR -->
  <appender name="STDOUT_WARN" class="ch.qos.logback.core.ConsoleAppender">
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>WARN</level></filter>
    <encoder><pattern>%coloredLevel %logger{25} - %message%n</pattern></encoder>
  </appender>

  <!-- STDOUT that accepts INFO and above -->
  <appender name="STDOUT_INFO" class="ch.qos.logback.core.ConsoleAppender">
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>INFO</level></filter>
    <encoder><pattern>%coloredLevel %logger{25} - %message%n</pattern></encoder>
  </appender>

  <!-- File where every INFO and above is written -->
  <appender name="ALL_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>INFO</level></filter>
    <file>/var/log/lichess/all.log</file>
    <encoder><pattern>%date [%level] %logger{35} %message%n%xException{30}</pattern></encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>/var/log/lichess/all-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
      <maxHistory>14</maxHistory>
    </rollingPolicy>
  </appender>

  <!-- Asynchronously write to the above file -->
  <appender name="ASYNC_ALL_FILE" class="ch.qos.logback.classic.AsyncAppender">
    <appender-ref ref="ALL_FILE" />
  </appender>

  <!-- By default, write WARNs in STDOUT, and INFOs in the ALL file -->
  <root level="INFO">
    <appender-ref ref="ASYNC_ALL_FILE" />
    <appender-ref ref="STDOUT_WARN" />
  </root>

  <!-- But allow some interesting INFOs in STDOUT -->
  <logger name="cheat.jslog" level="INFO"><appender-ref ref="STDOUT_INFO" /></logger>
  <logger name="play" level="INFO"><appender-ref ref="STDOUT_INFO" /></logger>
  <logger name="akka" level="INFO"><appender-ref ref="STDOUT_INFO" /></logger>
  <logger name="reactivemongo" level="INFO"><appender-ref ref="STDOUT_INFO" /></logger>

  <!-- Distinct files for relevant loggers -->
  <logger name="boot" level="INFO">
    <appender-ref ref="STDOUT_INFO" />
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/boot.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/boot-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="timer" level="DEBUG">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/timer.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/timer-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="autoanalyse" level="DEBUG">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/autoanalyse.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/autoanalyse-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="lobby" level="DEBUG">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/lobby.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/lobby-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="tourpairing" level="DEBUG">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/tourpairing.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/tourpairing-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="ratelimit" level="DEBUG">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/ratelimit.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/ratelimit-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="fishnet" level="DEBUG">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/fishnet.log</file>
      <encoder><pattern>%date [%level] %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/fishnet-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>

  <!-- Set a specific actor to DEBUG -->
  <!-- <logger name="actors.MyActor" level="DEBUG" /> -->

  <!-- Off these ones as they are annoying, and anyway we manage configuration ourself -->
  <!-- <logger name="com.avaje.ebean.config.PropertyMapLoader" level="OFF" /> -->
  <!-- <logger name="com.avaje.ebeaninternal.server.core.XmlConfigLoader" level="OFF" /> -->
  <!-- <logger name="com.avaje.ebeaninternal.server.lib.BackgroundThread" level="OFF" /> -->
  <!-- <logger name="com.gargoylesoftware.htmlunit.javascript" level="OFF" /> -->

</configuration>