Add cop to make sure we don't use ivar in a module

app/controllers/concerns/boards_responses.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module BoardsResponses
   def authorize_read_list
     authorize_action_for!(board.parent, :read_list)

app/controllers/concerns/creates_commit.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module CreatesCommit
   extend ActiveSupport::Concern

app/controllers/concerns/cycle_analytics_params.rb

 module CycleAnalyticsParams
   extend ActiveSupport::Concern
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def options(params)
     @options ||= { from: start_date(params), current_user: current_user }
   end

app/controllers/concerns/issuable_actions.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module IssuableActions
   extend ActiveSupport::Concern

app/controllers/concerns/issuable_collections.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module IssuableCollections
   extend ActiveSupport::Concern
   include SortingHelper

app/controllers/concerns/issues_action.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module IssuesAction
   extend ActiveSupport::Concern
   include IssuableCollections

app/controllers/concerns/lfs_request.rb

@@ -90,6 +90,7 @@ module LfsRequest
     has_authentication_ability?(:build_download_code) && can?(user, :build_download_code, project)
   end
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def storage_project
     @storage_project ||= begin
       result = project
@@ -103,6 +104,7 @@ module LfsRequest
     end
   end
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def objects
     @objects ||= (params[:objects] || []).to_a
   end

app/controllers/concerns/membership_actions.rb

@@ -76,6 +76,7 @@ module MembershipActions
     end
   end
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def source_type
     @source_type ||= membershipable.class.to_s.humanize(capitalize: false)
   end

app/controllers/concerns/merge_requests_action.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module MergeRequestsAction
   extend ActiveSupport::Concern
   include IssuableCollections

app/controllers/concerns/milestone_actions.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module MilestoneActions
   extend ActiveSupport::Concern

app/controllers/concerns/notes_actions.rb

+# rubocop:disable Cop/ModuleWithInstanceVariables
 module NotesActions
   include RendersNotes
   extend ActiveSupport::Concern

app/controllers/concerns/oauth_applications.rb

@@ -13,6 +13,7 @@ module OauthApplications
     end
   end
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def load_scopes
     @scopes = Doorkeeper.configuration.scopes
   end

app/controllers/concerns/renders_commits.rb

 module RendersCommits
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def prepare_commits_for_rendering(commits)
     Banzai::CommitRenderer.render(commits, @project, current_user)

app/controllers/concerns/renders_notes.rb

 module RendersNotes
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def prepare_notes_for_rendering(notes, noteable = nil)
     preload_noteable_for_regular_notes(notes)
     preload_max_access_for_authors(notes, @project)

app/controllers/concerns/requires_whitelisted_monitoring_client.rb

@@ -17,6 +17,7 @@ module RequiresWhitelistedMonitoringClient
     ip_whitelist.any? { |e| e.include?(Gitlab::RequestContext.client_ip) }
   end
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def ip_whitelist
     @ip_whitelist ||= Settings.monitoring.ip_whitelist.map(&IPAddr.method(:new))
   end

app/controllers/concerns/service_params.rb

@@ -65,6 +65,7 @@ module ServiceParams
   # Parameters to ignore if no value is specified
   FILTER_BLANK_PARAMS = [:password].freeze
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def service_params
     dynamic_params = @service.event_channel_names + @service.event_names
     service_params = params.permit(:id, service: ALLOWED_PARAMS_CE + dynamic_params)

app/controllers/concerns/snippets_actions.rb

@@ -4,6 +4,7 @@ module SnippetsActions
   def edit
   end
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def raw
     disposition = params[:inline] == 'false' ? 'attachment' : 'inline'

app/controllers/concerns/spammable_actions.rb

@@ -17,6 +17,7 @@ module SpammableActions
   private
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def ensure_spam_config_loaded!
     return @spam_config_loaded if defined?(@spam_config_loaded)

app/controllers/concerns/toggle_subscription_action.rb

@@ -11,6 +11,7 @@ module ToggleSubscriptionAction
   private
+  # rubocop:disable Cop/ModuleWithInstanceVariables
   def subscribable_project
     @project || raise(NotImplementedError)
   end

app/models/concerns/ignorable_column.rb

@@ -17,6 +17,7 @@ module IgnorableColumn
       super.reject { |column| ignored_columns.include?(column.name) }
     end
+    # rubocop:disable Cop/ModuleWithInstanceVariables
     def ignored_columns
       @ignored_columns ||= Set.new
     end