Expose http option for OTLP

[dandavison]

Tested using

docker run \
  -p 127.0.0.1:4317:4317 \
  -p 127.0.0.1:4318:4318 \
  -p 127.0.0.1:55679:55679 \
  otel/opentelemetry-collector-contrib:0.118.0

and running https://github.com/temporalio/samples-python/blob/main/open_telemetry/README.md

using

    Runtime(
        telemetry=TelemetryConfig(
            metrics=OpenTelemetryConfig(
                url="http://localhost:4318/v1/metrics", http=True
            )
        )
    )

[dandavison]

☝️ just prettifying the formatting

[yuandrew]

For my own understanding, where is this set?

Runtime(
        telemetry=TelemetryConfig(
            metrics=OpenTelemetryConfig(
                url="http://localhost:4318/v1/metrics", http=True
            )
        )
    )

[dandavison]

For my own understanding, where is this set?

In the worker config in this sample: https://github.com/temporalio/samples-python/blob/main/open_telemetry/worker.py#L43

[yuandrew]

Ahh, thanks, I missed that when scanning through the files