module BaselineRedRpm::Instruments::RackModule

Public Instance Methods

call(env) click to toggle source
# File lib/baseline_red_rpm/instruments/rack.rb, line 6
def call(env)
  req = ::Rack::Request.new(env)

  #if ::BaselineRedRpm::Tracer.in_trace? &&
  #  ::BaselineRedRpm.config.instrumentation[:rack][:trace_middleware]
  #  BaselineRedRpm::Tracer.trace("rack-middleware") do |span|
  #    span.set_tag "type", "web"
  #    span.set_tag "domain", req.host
  #    span.set_tag "url", req.path
  #    span.set_tag "class", @app.class.name
  #
  #    status, headers, body = @app.call env
  #  end
  #else
  span = BaselineRedRpm.tracer.start_span("rack")
  span.set_tag "type", "web"
  span.set_tag "domain", req.host
  span.set_tag "url", req.path
  span.set_tag "class", @app.class.name
  span.set_tag "backtrace", ::BaselineRedRpm::Backtrace.backtrace
  span.set_tag "source", ::BaselineRedRpm::Backtrace.source_extract

  @app.call(env)
rescue Exception => e
  if span
    span.set_tag('error', true)
    span.log_error(e)
  end
  raise
ensure
  span.finish if span
end