datadog receiver is missing container id

[povilasv]

Component(s)

receiver/datadog

Is your feature request related to a problem? Please describe.

Looks like we are missing container id in DD receiver, and this makes some screens in DD don't work (when received and exported thru collector)

Describe the solution you'd like

I've got details of some request:

Sending request: PUT v0.5/traces {'Datadog-Meta-Lang': 'python', 'Datadog-Meta-Lang-Version': '3.10.14', 'Datadog-Meta-Lang-Interpreter': 'CPython', 'Datadog-Meta-Tracer-Version': '2.7.2', 'Datadog-Client-Computed-Top-Level': 'yes', 'Datadog-Container-Id': '7d0f62eb396bd016230ebc53d525bd6bc9ce734894fcf70b39f268b62001a79d', 'Datadog-Entity-ID': 'cid-7d0f62eb396bd016230ebc53d525bd6bc9ce734894fcf70b39f268b62001a79d', 'Content-Type': 'application/msgpack', 'X-Datadog-Trace-Count': '1'}

Looks like Datadog-Container-Id is the header. I've looked thru exporter code and it should pick up container id from semconv, so in theory should work.

Describe alternatives you've considered

No response

Additional context

No response

[github-actions]

Pinging code owners:

• receiver/datadog: @boostchicken @gouthamve @jpkrohling @MovieStoreGuy

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