Class: Datadog::OpenTelemetry::SDK::Propagator
- Inherits:
-
Object
- Object
- Datadog::OpenTelemetry::SDK::Propagator
- Defined in:
- lib/datadog/opentelemetry/sdk/propagator.rb
Overview
Compatibility wrapper to allow Datadog propagators to fulfill the OpenTelemetry propagator API.
Instance Method Summary collapse
- #extract(carrier, context: ::OpenTelemetry::Context.current, getter: ::OpenTelemetry::Context::Propagation.text_map_getter) ⇒ Object
-
#fields ⇒ Object
Returns fields set by this propagator.
-
#initialize(datadog_propagator) ⇒ Propagator
constructor
A new instance of Propagator.
- #inject(carrier, context: ::OpenTelemetry::Context.current, setter: ::OpenTelemetry::Context::Propagation.text_map_setter) ⇒ Object
Constructor Details
#initialize(datadog_propagator) ⇒ Propagator
Returns a new instance of Propagator.
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# File 'lib/datadog/opentelemetry/sdk/propagator.rb', line 9 def initialize(datadog_propagator) @datadog_propagator = datadog_propagator end |
Instance Method Details
#extract(carrier, context: ::OpenTelemetry::Context.current, getter: ::OpenTelemetry::Context::Propagation.text_map_getter) ⇒ Object
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# File 'lib/datadog/opentelemetry/sdk/propagator.rb', line 28 def extract( carrier, context: ::OpenTelemetry::Context.current, getter: ::OpenTelemetry::Context::Propagation.text_map_getter ) if getter != ::OpenTelemetry::Context::Propagation.text_map_getter && getter != ::OpenTelemetry::Common::Propagation.rack_env_getter Datadog.logger.error( "Custom getter #{getter} is not supported. Please inform the `ddtrace` team at " \ ' https://github.com/DataDog/dd-trace-rb of your use case so we can best support you. Using the default ' \ 'OpenTelemetry::Context::Propagation.text_map_getter as a fallback getter.' ) end digest = @datadog_propagator.extract(carrier) return context unless digest trace_id = to_otel_id(digest.trace_id) span_id = to_otel_id(digest.span_id) if digest.trace_state || digest.trace_flags trace_flags = ::OpenTelemetry::Trace::TraceFlags.from_byte(digest.trace_flags) tracestate = Tracing::Distributed::TraceContext.new(fetcher: nil).send(:build_tracestate, digest) else trace_flags = if Tracing::Sampling::PrioritySampler.sampled?(digest.trace_sampling_priority) ::OpenTelemetry::Trace::TraceFlags::SAMPLED else ::OpenTelemetry::Trace::TraceFlags::DEFAULT end tracestate = ::OpenTelemetry::Trace::Tracestate::DEFAULT end span_context = ::OpenTelemetry::Trace::SpanContext.new( trace_id: trace_id, span_id: span_id, trace_flags: trace_flags, tracestate: tracestate, remote: true ) span = ::OpenTelemetry::Trace.non_recording_span(span_context) trace = Tracing.continue_trace!(digest) span.datadog_trace = trace ::OpenTelemetry::Trace.context_with_span(span, parent_context: context) end |
#fields ⇒ Object
Returns fields set by this propagator. DEV: Doesn’t seem like it’s used in production Otel code paths.
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# File 'lib/datadog/opentelemetry/sdk/propagator.rb', line 78 def fields [] end |
#inject(carrier, context: ::OpenTelemetry::Context.current, setter: ::OpenTelemetry::Context::Propagation.text_map_setter) ⇒ Object
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# File 'lib/datadog/opentelemetry/sdk/propagator.rb', line 13 def inject( carrier, context: ::OpenTelemetry::Context.current, setter: ::OpenTelemetry::Context::Propagation.text_map_setter ) unless setter == ::OpenTelemetry::Context::Propagation.text_map_setter Datadog.logger.error( 'Custom setter is not supported. Please inform the `ddtrace` team at ' \ ' https://github.com/DataDog/dd-trace-rb of your use case so we can best support you. Using the default ' \ 'OpenTelemetry::Context::Propagation.text_map_setter as a fallback setter.' ) end @datadog_propagator.inject!(context.trace.to_digest, carrier) end |