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Issues with OpenTelemetry-Instrument and GRPC in Python

TLDR Andre faced an error with OpenTelemetry-Instrument affecting their Python code. Srikanth advised against downgrading but suggested not relying on opentelemetry-instrument.

7mo

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Apr 28, 2023 (7 months ago)

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Andre

02:17 PM

Guys,

I use some google libs, such as Pub/Sub, when I start this way:

opentelemetry-instrument --traces_exporter otlp_proto_grpc --metrics_exporter otlp_proto_grpc python consumer.py

Gives this error:

Thread-ConsumeBidirectionalStream caught unexpected exception 'generator' object has no attribute 'add_done_callback' and will exit.
Traceback (most recent call last):

And with that my python instructions don’t work, has anyone faced this error?

02:20

Andre

02:20 PM

My problem would be similar to this issue:
https://github.com/open-telemetry/opentelemetry-python-contrib/issues/1180

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Srikanth

02:56 PM

This looks like bug because of the grpc instrumentation.

Andre

03:09 PM

any tips?

Srikanth

03:11 PM

You can probably disable the grpc instrumentation or wait for the bug to be fixed. Or there is a chance of instrumentation working with older grpc lib version.

Andre

03:12 PM

I’m making use of google’s lib to consume google’s Pub/Sub queues. This is what consumer.py does

03:15

Andre

03:15 PM

I’m going to try to go back to python 3.6 and consume the older libs, what’s your opinion on this?

Srikanth

03:17 PM

I wouldn’t recommend that. The minimum supported version is 3.7. The auto instrumentation for the google pub sub is not really good. So I would suggest not to rely on opentelemetry-instrument for this.

Andre

03:19 PM

thank you for the tips

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