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Add logback appender javaagent instrumentation #4939

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trask
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@trask trask commented Dec 18, 2021

Renames logback-1.0 instrumentation module to logback-mdc-1.0, and introduces logback-appender-1.0 module.

There's no autoconfiguration of log exporter (yet), so this instrumentation doesn't benefit end users unless they explicitly configure a logging exporter via javaagent extension (this is how the tests work).

@trask trask force-pushed the add-logback-logging-javaagent-instrumentation branch 2 times, most recently from 5d74658 to 0f2510d Compare December 19, 2021 04:37
@trask trask force-pushed the add-logback-logging-javaagent-instrumentation branch from 0f2510d to e3125e7 Compare December 19, 2021 04:38
@trask trask marked this pull request as ready for review December 19, 2021 06:27
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Can we go ahead and add library instrumentation for logback and log4j? I guess we expect jul to be redirected to one in most cases and it's not as important there.

We already seem to be getting asked for non-javaagent logs instrumentation

open-telemetry/opentelemetry-java#3994 (comment)

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trask commented Dec 20, 2021

Can we go ahead and add library instrumentation for logback and log4j?

We already have library instrumentation for log4j. @jack-berg mentioned last week he was working on (or thinking about writing?) a logback appender.

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trask commented Dec 20, 2021

created #4947 to track adding a logback appender instrumentation module

trask and others added 2 commits December 19, 2021 20:35
…n/java/io/opentelemetry/javaagent/instrumentation/logback/appender/v1_0/LogbackHelper.java

Co-authored-by: Anuraag Agrawal <anuraaga@gmail.com>
…n/java/io/opentelemetry/javaagent/instrumentation/logback/appender/v1_0/LogbackHelper.java

Co-authored-by: Anuraag Agrawal <anuraaga@gmail.com>
Comment on lines +90 to +94
logger = args[0]
loggerName = args[1]
testMethod = args[2]
severity = args[3]
severityText = args[4]
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Would

Suggested change
logger = args[0]
loggerName = args[1]
testMethod = args[2]
severity = args[3]
severityText = args[4]
[logger, loggerName, testMethod, severity, severityText] = args

work?

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almost! it looks like def (logger, loggerName, testMethod, severity, severityText) = args should work, but not in where blocks:

where-blocks may only contain parameterizations (e.g. 'salary << [1000, 5000, 9000]; salaryk = salary / 1000')

@trask trask merged commit ea359e6 into open-telemetry:main Dec 20, 2021
@trask trask deleted the add-logback-logging-javaagent-instrumentation branch December 20, 2021 20:27
RashmiRam pushed a commit to RashmiRam/opentelemetry-auto-instr-java that referenced this pull request May 23, 2022
* logback

* Use assertInverse

* sync

* sync

* Update instrumentation/logback/logback-appender-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/logback/appender/v1_0/LogbackHelper.java

Co-authored-by: Anuraag Agrawal <anuraaga@gmail.com>

* Update instrumentation/logback/logback-appender-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/logback/appender/v1_0/LogbackHelper.java

Co-authored-by: Anuraag Agrawal <anuraaga@gmail.com>

* Unroll

Co-authored-by: Anuraag Agrawal <anuraaga@gmail.com>
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3 participants