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fix: sample on TraceOperation and root span metrics and tags #3944

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17 changes: 17 additions & 0 deletions lib/datadog/tracing/trace_operation.rb
Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,23 @@ def resource
@resource || (root_span && root_span.resource)
end

# When retrieving tags or metrics we need to include root span tags for sampling purposes
def get_tag(key)
super || (root_span && root_span.get_tag(key))
end

def get_metric(key)
super || (root_span && root_span.get_metric(key))
end

def tags
all_tags = {}
all_tags.merge(root_span.tags) if root_span
all_tags.merge(@tags)
all_tags.merge(@metrics)
all_tags
end

# Returns true if the resource has been explicitly set
#
# @return [Boolean]
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