[FEATURE]: Support character escaping in DD_SERVICE_MAPPING

[morganrowse-olympus]

Package Name

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Package Version(s)

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Describe the goal of the feature

Currently it is impossible to perform service mapping with services with : in them ie

Working as expected
DD_SERVICE_MAPPING=oldservice:newservice

Not working as expected
DD_SERVICE_MAPPING=https://old-service.com:newservice
DD_SERVICE_MAPPING=oldservice:https://new-service.com

Ideally the following would work as expected
DD_SERVICE_MAPPING=https\://old-service.com:newservice
DD_SERVICE_MAPPING=oldservice:https\://new-service.com

The Reason for this is as it splits on the first :

It would be great if we could escape : and , in the DD_SERVICE_MAPPING vars.

dd-trace-py/ddtrace/internal/utils/formats.py

Line 91 in 6fdbeb5

key, val = tag.split(":", 1)

Is your feature request related to a problem?

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Describe alternatives you've considered

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Additional context

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[quinna-h]

Hi @morganrowse-olympus ,

Thanks for opening this feature request!

The team was wondering how you're setting the service name with the format https://old-service.com/ (i.e. are you using DD_SERVICE)?