lib/opentelemetry/context/propagation/rack_env_getter.rb in opentelemetry-api-0.15.0 vs lib/opentelemetry/context/propagation/rack_env_getter.rb in opentelemetry-api-0.16.0

@@ -14,11 +14,11 @@
       # +HTTP_TRACEPARENT+
       class RackEnvGetter
         # Converts key into a rack-normalized key and reads it from the carrier.
         # Useful for extract operations.
         def get(carrier, key)
-          carrier[to_rack_key(key)]
+          carrier[to_rack_key(key)] || carrier[key]
         end
 
         # Reads all keys from a carrier and converts them from the rack-normalized
         # form to the original. The resulting keys will be lowercase and
         # underscores will be replaced with dashes.
@@ -30,16 +30,18 @@
 
         def to_rack_key(key)
           ret = 'HTTP_' + key
           ret.tr!('-', '_')
           ret.upcase!
+          ret
         end
 
         def from_rack_key(key)
           start = key.start_with?('HTTP_') ? 5 : 0
           ret = key[start..-1]
           ret.tr!('_', '-')
           ret.downcase!
+          ret
         end
       end
     end
   end
 end