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Filter logs using attributes does not work starting version 3.7.2 #4526

@dvanackere-lpg

Description

@dvanackere-lpg

Expected behavior

Adding an attribute to a log and add a filter with this attribute should remove the log in Application Insights.
This was the behavior since at least version 3.4.x until version 3.7.1

Actual behavior

The attribute is added, the log is modified accordingly, but the log is not filtered.

To Reproduce

applicationinsights.json:
{ "sampling": { "percentage": 100, "overrides": [{ "telemetryType": "trace", "attributes": [{ "key": "TODELETE", "value": ".*", "matchType": "regexp" } ], "percentage": 0 } ] }, "preview": { "processors": [{ "type": "log", "body": { "toAttributes": { "rules": [ "^Noisy log (?<TODELETE>.*)" ] } } } ] } }

In the application, add a noisy log:
logger.info { "Noisy log that should not be sent to AppInsights" }

System information

Please provide the following information:

  • SDK Version: 3.7.2 to 3.7.5 KO, 3.4.x to 3.7.1 OK
  • Using spring-boot: yes

I suspect that starting version 3.7.2, the 'sampling overrides' and the 'attribute processors' are not handled in the same order (processor then sampling before 3.7.2, sampling then processor starting 3.7.2).

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