Contents

require "instana/rack"

module Instana
  module CubaPathTemplateExtractor
    REPLACE_TARGET = /:(?<term>[^\/]+)/i
    
    def self.prepended(base)
      ::Instana.logger.debug "#{base} prepended #{self}"
    end
    
    def on(*args, &blk) 
      wrapper = lambda do |*caputres|
        env['INSTANA_PATH_TEMPLATE_FRAGMENTS'] << args
          .select { |a| a.is_a?(String) }
          .join('/')
      
        blk.call(*captures)
      end
      
      super(*args, &wrapper)
    end
    
    def call!(env)
      env['INSTANA_PATH_TEMPLATE_FRAGMENTS'] = []
      response = super(env)
      env['INSTANA_HTTP_PATH_TEMPLATE'] = env['INSTANA_PATH_TEMPLATE_FRAGMENTS']
        .join('/')
        .gsub(REPLACE_TARGET, '{\k<term>}')
      response
    end
  end
end


if defined?(::Cuba)
  ::Instana.logger.debug "Instrumenting Cuba"
  Cuba.use ::Instana::Rack
  Cuba.prepend ::Instana::CubaPathTemplateExtractor
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
instana-1.193.2	lib/instana/frameworks/cuba.rb
instana-1.192.1	lib/instana/frameworks/cuba.rb
instana-1.192.0	lib/instana/frameworks/cuba.rb
instana-1.13.0	lib/instana/frameworks/cuba.rb
instana-1.12.0	lib/instana/frameworks/cuba.rb