trace_config.rb in opentelemetry-sdk-0.17.0

- old
+ new

@@ -14,10 +14,13 @@
           attr_reader :sampler
 
           # The global default max number of attributes per {Span}.
           attr_reader :max_attributes_count
 
+          # The global default max length of attribute value per {Span}.
+          attr_reader :max_attributes_length
+
           # The global default max number of {OpenTelemetry::SDK::Trace::Event}s per {Span}.
           attr_reader :max_events_count
 
           # The global default max number of {OpenTelemetry::Trace::Link} entries per {Span}.
           attr_reader :max_links_count
@@ -30,23 +33,26 @@
 
           # Returns a {TraceConfig} with the desired values.
           #
           # @return [TraceConfig] with the desired values.
           # @raise [ArgumentError] if any of the max numbers are not positive.
-          def initialize(sampler: sampler_from_environment(Samplers.parent_based(root: Samplers::ALWAYS_ON)),
+          def initialize(sampler: sampler_from_environment(Samplers.parent_based(root: Samplers::ALWAYS_ON)), # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
                          max_attributes_count: Integer(ENV.fetch('OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT', 128)),
+                         max_attributes_length: ENV['OTEL_RUBY_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT'],
                          max_events_count: Integer(ENV.fetch('OTEL_SPAN_EVENT_COUNT_LIMIT', 128)),
                          max_links_count: Integer(ENV.fetch('OTEL_SPAN_LINK_COUNT_LIMIT', 128)),
                          max_attributes_per_event: max_attributes_count,
                          max_attributes_per_link: max_attributes_count)
             raise ArgumentError, 'max_attributes_count must be positive' unless max_attributes_count.positive?
+            raise ArgumentError, 'max_attributes_length must not be less than 32' unless max_attributes_length.nil? || Integer(max_attributes_length) >= 32
             raise ArgumentError, 'max_events_count must be positive' unless max_events_count.positive?
             raise ArgumentError, 'max_links_count must be positive' unless max_links_count.positive?
             raise ArgumentError, 'max_attributes_per_event must be positive' unless max_attributes_per_event.positive?
             raise ArgumentError, 'max_attributes_per_link must be positive' unless max_attributes_per_link.positive?
 
             @sampler = sampler
             @max_attributes_count = max_attributes_count
+            @max_attributes_length = max_attributes_length.nil? ? nil : Integer(max_attributes_length)
             @max_events_count = max_events_count
             @max_links_count = max_links_count
             @max_attributes_per_event = max_attributes_per_event
             @max_attributes_per_link = max_attributes_per_link
           end