config/initializers/opentelemetry.rb

   1 # frozen_string_literal: true
   2
   3 if ENV.key?("OTEL_TRACES_EXPORTER")
   4   require "opentelemetry/sdk"
   5   require "opentelemetry/instrumentation/all"
   6   require "opentelemetry/exporter/otlp"
   7
   8   OpenTelemetry::SDK.configure do |c|
   9     c.use_all(
  10       "OpenTelemetry::Instrumentation::Rack" => {
  11         :allowed_request_headers => %w[X-Request-Id]
  12       }
  13     )
  14   end
  15 end