1 files changed, 0 insertions, 107 deletions
diff --git a/lib/gitlab/request_profiler/middleware.rb b/lib/gitlab/request_profiler/middleware.rb
deleted file mode 100644
index acdf8d4541f..00000000000
--- a/lib/gitlab/request_profiler/middleware.rb
+++ /dev/null
@@ -1,107 +0,0 @@
-# frozen_string_literal: true
-
-require 'ruby-prof'
-require 'memory_profiler'
-
-module Gitlab
-  module RequestProfiler
-    class Middleware
-      def initialize(app)
-        @app = app
-      end
-
-      def call(env)
-        if profile?(env)
-          call_with_profiling(env)
-        else
-          @app.call(env)
-        end
-      end
-
-      def profile?(env)
-        header_token = env['HTTP_X_PROFILE_TOKEN']
-        return unless header_token.present?
-
-        profile_token = Gitlab::RequestProfiler.profile_token
-        return unless profile_token.present?
-
-        header_token == profile_token
-      end
-
-      def call_with_profiling(env)
-        case env['HTTP_X_PROFILE_MODE']
-        when 'execution', nil
-          call_with_call_stack_profiling(env)
-        when 'memory'
-          call_with_memory_profiling(env)
-        else
-          raise ActionController::BadRequest, invalid_profile_mode(env)
-        end
-      end
-
-      def invalid_profile_mode(env)
-        <<~HEREDOC
-          Invalid X-Profile-Mode: #{env['HTTP_X_PROFILE_MODE']}.
-          Supported profile mode request header:
-            - X-Profile-Mode: execution
-            - X-Profile-Mode: memory
-        HEREDOC
-      end
-
-      def call_with_call_stack_profiling(env)
-        ret = nil
-        report = RubyProf::Profile.profile do
-          ret = catch(:warden) do # rubocop:disable Cop/BanCatchThrow
-            @app.call(env)
-          end
-        end
-
-        generate_report(env, 'execution', 'html') do |file|
-          printer = RubyProf::CallStackPrinter.new(report)
-          printer.print(file)
-        end
-
-        handle_request_ret(ret)
-      end
-
-      def call_with_memory_profiling(env)
-        ret = nil
-        report = MemoryProfiler.report do
-          ret = catch(:warden) do # rubocop:disable Cop/BanCatchThrow
-            @app.call(env)
-          end
-        end
-
-        generate_report(env, 'memory', 'txt') do |file|
-          report.pretty_print(to_file: file)
-        end
-
-        handle_request_ret(ret)
-      end
-
-      def generate_report(env, report_type, extension)
-        file_name = "#{env['PATH_INFO'].tr('/', '|')}_#{Time.current.to_i}"\
-                    "_#{report_type}.#{extension}"
-        file_path = "#{PROFILES_DIR}/#{file_name}"
-
-        FileUtils.mkdir_p(PROFILES_DIR)
-
-        begin
-          File.open(file_path, 'wb') do |file|
-            yield(file)
-          end
-        rescue StandardError
-          FileUtils.rm(file_path)
-        end
-      end
-
-      def handle_request_ret(ret)
-        if ret.is_a?(Array)
-          ret
-        else
-          throw(:warden, ret) # rubocop:disable Cop/BanCatchThrow
-        end
-      end
-    end
-  end
-end