GetServiceName combines the values of the environment variables OTEL_SERVICE_NAME_PREFIX and OTEL_SERVICE_NAME with fallback to "m8" and "version.Name".

GetSpan creates a span and a context.Context containing the newly-created span with default attributes set.

GetTracer returns a new traces with the current service name set.

InitOpenTelemetry configures and sets the global MeterProvider and TracerProvider for OpenTelemetry.