class Datadog::Profiling::TraceIdentifiers::Ddtrace
Used by Datadog::Profiling::TraceIdentifiers::Helper
to get the trace identifiers (trace id and span id) for a given thread, if there is an active trace for that thread in Datadog.tracer.
Public Class Methods
new(tracer: nil)
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# File lib/ddtrace/profiling/trace_identifiers/ddtrace.rb, line 12 def initialize(tracer: nil) @tracer = (tracer if tracer.respond_to?(:call_context)) end
Public Instance Methods
trace_identifiers_for(thread)
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# File lib/ddtrace/profiling/trace_identifiers/ddtrace.rb, line 16 def trace_identifiers_for(thread) return unless @tracer context = @tracer.call_context(thread) return unless context trace_id = context.trace_id || 0 span_id = context.span_id || 0 [trace_id, span_id, maybe_extract_resource(context.current_root_span)] if trace_id != 0 && span_id != 0 end
Private Instance Methods
maybe_extract_resource(root_span)
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NOTE: Currently we're only interested in HTTP service endpoints. Over time, this list may be expanded. Resources MUST NOT include personal identifiable information (PII); this should not be the case with ddtrace integrations, but worth mentioning just in case :)
# File lib/ddtrace/profiling/trace_identifiers/ddtrace.rb, line 33 def maybe_extract_resource(root_span) return unless root_span root_span.resource_container if root_span.span_type == Datadog::Ext::HTTP::TYPE_INBOUND end