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Add documentation for configuring OpenTelemetry SDK logs #41825

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Add documentation for configuring OpenTelemetry SDK logs #41825

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0cc8d1f
Added documentation for configuring OpenTelemetry SDK logs.
famaridon Aug 12, 2024
dcc65f5
pull request fix
famaridon Aug 29, 2024
c3ebcb4
add opentelemetry logger appeder link to Opentelemetry sdk sample
famaridon Aug 29, 2024
b4e1f06
remove sample code OpenTelemetryAppender s not in spring boot classpa…
famaridon Aug 30, 2024
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20 changes: 20 additions & 0 deletions .../spring-boot-docs/src/docs/antora/modules/reference/pages/actuator/loggers.adoc
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Expand Up @@ -31,3 +31,23 @@ To configure a given logger, `POST` a partial entity to the resource's URI, as t
----

TIP: To "`reset`" the specific level of the logger (and use the default configuration instead), you can pass a value of `null` as the `configuredLevel`.



[[actuator.loggers.opentelemetry]]
== OpenTelemetry
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By default, the OpenTelemetry SDK logs are not configured. You can provide the location of the OpenTelemetry logs endpoint to configure it:

[configprops,yaml]
----
management:
otlp:
logging:
endpoint: "https://otlp.example.com:4318/v1/logs"
----

NOTE: The OpenTelemetry Logback appender and Log4j appender are not part of Spring Boot, for more details, see the https://github.com/open-telemetry/opentelemetry-java-instrumentation/tree/main/instrumentation/logback/logback-appender-1.0/library[OpenTelemetry Logback appender] or https://github.com/open-telemetry/opentelemetry-java-instrumentation/tree/main/instrumentation/log4j/log4j-appender-2.17/library[OpenTelemetry Log4j2 appender] in the https://github.com/open-telemetry/opentelemetry-java-instrumentation[OpenTelemetry Java instrumentation GitHub repository]

TIP: Ensure that you add the appender to your `logback.xml` or `logback-spring.xml` (or the equivalent configuration file for Log4j).

TIP: The `OpenTelemetryAppender` requires access to an OpenTelemetry instance to function properly. This instance must be set programmatically during application startup by using an `ApplicationListener` for the `ApplicationReadyEvent`.