Anton Pryamostanov created LOGBACK-1442:
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Summary: Adding "originalFileName" token to FileNamePattern or
TimeBasedRollingPolicy
Key: LOGBACK-1442
URL: https://jira.qos.ch/browse/LOGBACK-1442
Project: logback
Issue Type: Improvement
Components: logback-classic
Environment: Let's consider the below example:
{code:xml}
<appender name="OutputInfo"
class="ch.qos.logback.classic.sift.SiftingAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<discriminator>
<key>automaticThreadName</key>
<defaultValue>Unnamed Thread</defaultValue>
</discriminator>
<discriminator>
<key>inputQueueName</key>
<defaultValue>APP</defaultValue>
</discriminator>
<discriminator>
<key>outputQueueName</key>
<defaultValue>APP</defaultValue>
</discriminator>
<sift>
<appender name="${automaticThreadName}"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>./LOGS/${inputQueueName}/${outputQueueName}/ERROR/${automaticThreadName}_ERROR_TODAY.log</file>
<encoder
class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>%d{yyyy-MM-dd HH:mm:ss} %mdc [%thread] %level
%logger{35} - %msg%n</Pattern>
</encoder>
<rollingPolicy
class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>./LOGS/${inputQueueName}/${outputQueueName}/ERROR/ARCHIVE/%d{yyyyMMdd,
aux}/${automaticThreadName}_%d{yyyyMMdd}_ERROR.zip</FileNamePattern>
</rollingPolicy>
</appender>
</sift>
</appender>
{code}
It is not a valid example because FileNamePattern of TimeBasedRollingPolicy
does not support MDC tokens like the SiftingAppender supports.
This is causing a significant limitation for SiftingAppender log archiving - a
diversity of file names of SiftingAppender can be archived only into a narrow
list of archives due to TimeBasedRollingPolicy not supporting MDC tokens.
This can be easily fixed just by adding 3 tokens into TimeBasedRollingPolicy
FileNamePattern, which will represent:
- %q - qualified file name of original physical file, e.g.
./logs/thread1/20181115/thread1_errors.log
- %f - only file name of original physical file, e.g. "thread1_errors.log"
- %p - only path of original physical file, e.g. "./logs/thread1/20181115/"
Therefore the above config will look like:
{code}
<appender name="OutputInfo"
class="ch.qos.logback.classic.sift.SiftingAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<discriminator>
<key>automaticThreadName</key>
<defaultValue>Unnamed Thread</defaultValue>
</discriminator>
<discriminator>
<key>inputQueueName</key>
<defaultValue>APP</defaultValue>
</discriminator>
<discriminator>
<key>outputQueueName</key>
<defaultValue>APP</defaultValue>
</discriminator>
<sift>
<appender name="${automaticThreadName}"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>./LOGS/${inputQueueName}/${outputQueueName}/ERROR/${automaticThreadName}_ERROR_TODAY.log</file>
<encoder
class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>%d{yyyy-MM-dd HH:mm:ss} %mdc [%thread] %level
%logger{35} - %msg%n</Pattern>
</encoder>
<rollingPolicy
class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>%q.zip</FileNamePattern>
</rollingPolicy>
</appender>
</sift>
</appender>
{code}
Reporter: Anton Pryamostanov
Assignee: Logback dev list
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