lila/conf/prod-logger.xml

<configuration>

  <!-- STDOUT that accepts WARN and ERROR -->
  <!-- Exceptions yes, stacktraces no -->
  <appender name="STDOUT_WARN" class="ch.qos.logback.core.ConsoleAppender">
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>WARN</level></filter>
    <encoder><pattern>%-5level %logger{30} - %message%n%xException{0}</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>%-5level %logger{30} - %message%n%xException{0}</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 %-5level %logger{30} %message%n%xException{50}</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>

  <!-- uncapped stacktraces for error logs - looking for stack overflows -->
  <!-- requires -XX:MaxJavaStackTraceDepth=100000 -->
  <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>ERROR</level></filter>
    <file>/var/log/lichess/error.log</file>
    <encoder><pattern>%date %-5level %logger %message%n%xException</pattern></encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>/var/log/lichess/error-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
      <maxHistory>14</maxHistory>
    </rollingPolicy>
  </appender>

  <appender name="ERRORLINE_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>ERROR</level></filter>
    <file>/var/log/lichess/errorline.log</file>
    <encoder><pattern>%date %-5level %logger{40} %message%n%xException{0}</pattern></encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>/var/log/lichess/errorline-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
      <maxHistory>14</maxHistory>
    </rollingPolicy>
  </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" />
    <appender-ref ref="ERROR_FILE" />
    <appender-ref ref="ERRORLINE_FILE" />
  </root>

  <logger name="boot" 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>

  <logger name="puzzle" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/puzzle.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/puzzle-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="swiss" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/swiss.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/swiss-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="relay" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/relay.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/relay-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="lobby" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/lobby.log</file>
      <encoder><pattern>%date %-5level %logger{30} %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="pool" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/pool.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/pool-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="tournament" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/tournament.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/tournament-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="ratelimit" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/ratelimit.log</file>
      <encoder><pattern>%date %-5level %logger{30} %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="round" level="WARN">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/round.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException{3}</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/round-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="cheat" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/cheat.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/cheat-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="fishnet" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/fishnet.log</file>
      <encoder><pattern>%date %-5level %logger{30} %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>
  <logger name="plan" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/plan.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/plan-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>365</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="csrf" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/csrf.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/csrf-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="http" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/http.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/http-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="auth" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/auth.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/auth-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="report" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/report.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/report-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="sandbag" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/sandbag.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/sandbag-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>
  <logger name="security" level="INFO">
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <file>/var/log/lichess/security.log</file>
      <encoder><pattern>%date %-5level %logger{30} %message%n%xException</pattern></encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/var/log/lichess/security-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
        <maxHistory>7</maxHistory>
      </rollingPolicy>
    </appender>
  </logger>

  <!-- Avoid "HTTP header is larger than 4096 bytes." warnings -->
  <logger name="play.core.server.netty.PlayDefaultUpstreamHandler" level="ERROR" />
  <!-- Cookie failed message authentication check warning !-->
  <logger name="play.api.mvc.LegacySessionCookieBaker" level="ERROR" />
  <!-- Invalid URL query parameters warning !-->
  <logger name="play.core.server.netty.NettyModelConversion" level="ERROR" />
  <!-- TolerantText body parser tried to parse request 108654561 as text body with charset UTF-8, but it contains invalid characters! -->
  <logger name="play.api.mvc.PlayBodyParsers" level="ERROR" />
  <!-- allows failing async computations instead of returning null, without seeing the WARN -->
  <logger name="com.github.benmanes.caffeine.cache.LocalAsyncCache" level="ERROR">
    <appender-ref ref="STDOUT" />
  </logger>

</configuration>