Clean up :epic_boards feature flag

Clean up FF, tests and update docs
Changelog: other

app/assets/javascripts/boards/components/board_content.vue

@@ -12,10 +12,8 @@ import BoardColumnDeprecated from './board_column_deprecated.vue';
 export default {
   components: {
     BoardAddNewColumn,
-    BoardColumn:
-      gon.features?.graphqlBoardLists || gon.features?.epicBoards
-        ? BoardColumn
-        : BoardColumnDeprecated,
+    BoardColumn,
+    BoardColumnDeprecated,
     BoardContentSidebar: () => import('~/boards/components/board_content_sidebar.vue'),
     EpicBoardContentSidebar: () =>
       import('ee_component/boards/components/epic_board_content_sidebar.vue'),
@@ -65,6 +63,11 @@ export default {
 
       return this.canDragColumns ? options : {};
     },
+    boardColumnComponent() {
+      return this.glFeatures.graphqlBoardLists || this.isSwimlanesOn || this.isEpicBoard
+        ? BoardColumn
+        : BoardColumnDeprecated;
+    },
   },
   methods: {
     ...mapActions(['moveList', 'unsetError']),
@@ -102,7 +105,8 @@ export default {
       class="boards-list gl-w-full gl-py-5 gl-px-3 gl-white-space-nowrap"
       @end="handleDragOnEnd"
     >
-      <board-column
+      <component
+        :is="boardColumnComponent"
         v-for="(list, index) in boardListsToUse"
         :key="index"
         ref="board"

doc/user/group/epics/epic_boards.md

@@ -161,22 +161,3 @@ To edit the scope of an epic board:
    - Show or hide the Open and Closed columns.
    - Select other labels as the board's scope.
 1. Select **Save changes**.
-
-## Enable or disable epic boards
-
-Epic boards are under development but ready for production use.
-It is deployed behind a feature flag that is **enabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../../../administration/feature_flags.md)
-can disable it.
-
-To disable it:
-
-```ruby
-Feature.disable(:epic_boards)
-```
-
-To enable it:
-
-```ruby
-Feature.enable(:epic_boards)
-```

ee/app/controllers/groups/epic_boards_controller.rb

@@ -8,9 +8,6 @@ class Groups::EpicBoardsController < Groups::ApplicationController
 
   before_action :redirect_to_recent_board, only: [:index]
   before_action :assign_endpoint_vars
-  before_action do
-    push_frontend_feature_flag(:epic_boards, group, default_enabled: :yaml)
-  end
 
   track_redis_hll_event :index, :show, name: 'g_project_management_users_viewing_epic_boards'
 
@@ -70,6 +67,6 @@ class Groups::EpicBoardsController < Groups::ApplicationController
   end
 
   def authorize_read_board!
-    access_denied! unless Feature.enabled?(:epic_boards, group, default_enabled: :yaml) && can?(current_user, :read_epic_board, group)
+    access_denied! unless can?(current_user, :read_epic_board, group)
   end
 end

ee/app/graphql/mutations/boards/epic_boards/epic_move_list.rb

@@ -50,10 +50,6 @@ module Mutations
           board = authorized_find!(id: args[:board_id])
           epic = authorized_find!(id: args[:epic_id])
 
-          unless Feature.enabled?(:epic_boards, board.resource_parent, default_enabled: :yaml)
-            raise Gitlab::Graphql::Errors::ResourceNotAvailable, 'epic_boards feature is disabled'
-          end
-
           move_epic(board, epic, move_list_arguments(args).merge(board_id: board.id))
 
           {

ee/app/graphql/mutations/boards/epic_boards/update.rb

@@ -24,10 +24,6 @@ module Mutations
         def resolve(**args)
           board = authorized_find!(id: args[:id])
 
-          unless Feature.enabled?(:epic_boards, board.resource_parent, default_enabled: :yaml)
-            raise Gitlab::Graphql::Errors::ResourceNotAvailable, 'epic_boards feature is disabled'
-          end
-
           ::Boards::EpicBoards::UpdateService.new(board.resource_parent, current_user, args).execute(board)
 
           {

ee/app/graphql/resolvers/boards/epic_boards_resolver.rb

@@ -16,7 +16,6 @@ module Resolvers
       alias_method :group, :object
 
       def resolve(id: nil)
-        return unless Feature.enabled?(:epic_boards, group, default_enabled: :yaml)
         return unless group.licensed_feature_available?(:epics)
 
         authorize!

ee/app/services/boards/epic_boards/create_service.rb

@@ -8,7 +8,7 @@ module Boards
 
       override :can_create_board?
       def can_create_board?
-        Feature.enabled?(:epic_boards, parent, default_enabled: :yaml)
+        true
       end
 
       override :parent_board_collection

ee/app/services/boards/epic_lists/create_service.rb

@@ -7,10 +7,6 @@ module Boards
 
       override :execute
       def execute(board)
-        unless Feature.enabled?(:epic_boards, board.group, default_enabled: :yaml)
-          return ServiceResponse.error(message: 'Epic boards feature is not enabled.')
-        end
-
         super
       end
     end

ee/app/services/boards/epic_lists/destroy_service.rb

@@ -11,10 +11,6 @@ module Boards
           return ServiceResponse.error(message: 'Epics feature is not available.')
         end
 
-        unless Feature.enabled?(:epic_boards, list.board.group, default_enabled: :yaml)
-          return ServiceResponse.error(message: 'Epic boards feature is not enabled.')
-        end
-
         unless can?(current_user, :admin_epic_board_list, list)
           return ServiceResponse.error(message: 'The epic board list that you are attempting to destroy does not '\
                   'exist or you don\'t have permission to perform this action')

ee/app/services/boards/epics/create_service.rb

@@ -42,7 +42,7 @@ module Boards
       end
 
       def available?
-        group.licensed_feature_available?(:epics) && Feature.enabled?(:epic_boards, parent, default_enabled: :yaml)
+        group.licensed_feature_available?(:epics)
       end
 
       def allowed?

ee/app/views/layouts/nav/ee/_epic_link.html.haml

@@ -20,10 +20,9 @@
       = link_to group_epics_path(group), title: 'List' do
         %span= _('List')
 
-    - if Feature.enabled?(:epic_boards, group, default_enabled: :yaml)
-      = nav_link(path: ['epic_boards#index', 'epic_boards#show'], html_options: { class: "home" }) do
-        = link_to group_epic_boards_path(group), title: 'Boards' do
-          %span= _('Boards')
+    = nav_link(path: ['epic_boards#index', 'epic_boards#show'], html_options: { class: "home" }) do
+      = link_to group_epic_boards_path(group), title: 'Boards' do
+        %span= _('Boards')
 
     = nav_link(path: 'roadmap#show', html_options: { class: 'home' }) do
       = link_to group_roadmap_path(group), title: 'Roadmap' do

ee/config/feature_flags/development/epic_boards.yml

----
-name: epic_boards
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/48893
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/290039
-milestone: '13.7'
-type: development
-group: group::product planning
-default_enabled: true

ee/spec/features/groups/navbar_spec.rb

@@ -80,28 +80,6 @@ RSpec.describe 'Group navbar' do
   end
 
   context 'when epics are available' do
-    before do
-      stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: false)
-
-      insert_after_nav_item(
-        _('Group information'),
-        new_nav_item: {
-          nav_item: _('Epics'),
-          nav_sub_items: [
-            _('List'),
-            _('Roadmap')
-          ]
-        }
-      )
-
-      visit group_path(group)
-    end
-
-    it_behaves_like 'verified navigation bar'
-  end
-
-  context 'when epics and epic boards are available' do
     before do
       stub_licensed_features(epics: true)
 

ee/spec/graphql/mutations/boards/epic_boards/create_spec.rb

@@ -27,10 +27,9 @@ RSpec.describe ::Mutations::Boards::EpicBoards::Create do
     it { is_expected.to have_graphql_fields(:epic_board).at_least }
   end
 
-  context 'with epic feature enabled and epic_boards feature flag enabled' do
+  context 'with epic feature enabled' do
     before do
       stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: true)
     end
 
     context 'when user does not have permission to create epic board' do
@@ -52,14 +51,6 @@ RSpec.describe ::Mutations::Boards::EpicBoards::Create do
     end
   end
 
-  context 'with epic_boards feature flag disabled' do
-    before do
-      stub_feature_flags(epic_boards: false)
-    end
-
-    it_behaves_like 'epic board creation error'
-  end
-
   context 'with epic feature disabled' do
     before do
       stub_licensed_features(epics: false)

ee/spec/graphql/mutations/boards/epic_boards/epic_move_list_spec.rb

@@ -42,7 +42,6 @@ RSpec.describe ::Mutations::Boards::EpicBoards::EpicMoveList do
   describe '#resolve' do
     before do
       stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: true)
     end
 
     context 'when user does not have permissions' do

ee/spec/graphql/mutations/boards/epic_boards/update_spec.rb

@@ -27,10 +27,9 @@ RSpec.describe ::Mutations::Boards::EpicBoards::Update do
     it { is_expected.to have_graphql_fields(:epic_board).at_least }
   end
 
-  context 'with epic feature enabled and epic_boards feature flag enabled' do
+  context 'with epic feature enabled' do
     before do
       stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: true)
     end
 
     context 'when user does not have permission to update epic board' do
@@ -50,14 +49,6 @@ RSpec.describe ::Mutations::Boards::EpicBoards::Update do
         expect(result[:epic_board].hide_backlog_list).to be_truthy
       end
     end
-
-    context 'with epic_boards feature flag disabled' do
-      before do
-        stub_feature_flags(epic_boards: false)
-      end
-
-      it_behaves_like 'epic board update error'
-    end
   end
 
   describe '#ready?' do

ee/spec/graphql/mutations/boards/epics/create_spec.rb

@@ -18,7 +18,6 @@ RSpec.describe Mutations::Boards::Epics::Create do
 
   before do
     stub_licensed_features(epics: true)
-    stub_feature_flags(epic_boards: true)
   end
 
   let(:mutation) { described_class.new(object: nil, context: { current_user: user }, field: nil) }
@@ -108,16 +107,6 @@ RSpec.describe Mutations::Boards::Epics::Create do
         end
       end
 
-      context 'with epic boards disabled' do
-        before do
-          stub_feature_flags(epic_boards: false)
-        end
-
-        it 'returns an error' do
-          expect(subject[:errors]).to include 'This feature is not available'
-        end
-      end
-
       context 'with epics not available' do
         before do
           stub_licensed_features(epics: false)

ee/spec/graphql/resolvers/boards/epic_boards_resolvers_spec.rb

@@ -46,16 +46,6 @@ RSpec.describe Resolvers::Boards::EpicBoardsResolver do
             .to contain_exactly(epic_board2, epic_board1)
             .and be_sorted.asc.by(&:name)
         end
-
-        context 'when epic_boards flag is disabled' do
-          before do
-            stub_feature_flags(epic_boards: false)
-          end
-
-          it 'returns nil' do
-            expect(result).to be_nil
-          end
-        end
       end
     end
   end

ee/spec/requests/api/graphql/boards/epic_boards_query_spec.rb

@@ -69,18 +69,5 @@ RSpec.describe 'get list of epic boards' do
         expect(graphql_data.dig('group', 'epicBoard', 'hideClosedList')).to eq board1.hide_closed_list
       end
     end
-
-    context 'when epic_boards flag is disabled' do
-      before do
-        stub_feature_flags(epic_boards: false)
-      end
-
-      it 'returns nil epic_boards' do
-        post_graphql(pagination_query, current_user: current_user)
-
-        boards = graphql_data.dig('group', 'epicBoards')
-        expect(boards).to be_nil
-      end
-    end
   end
 end

ee/spec/requests/api/graphql/mutations/boards/epic_boards/epic_move_list_spec.rb

@@ -34,24 +34,9 @@ RSpec.describe 'Reposition and move epic between board lists' do
 
   subject { post_graphql_mutation(mutation(params), current_user: current_user) }
 
-  context 'when epic_boards are disabled' do
+  context 'when epics are available' do
     before do
       stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: false)
-      group.add_developer(current_user)
-    end
-
-    it 'raises feature not available error' do
-      subject
-
-      expect(graphql_errors).to include(a_hash_including('message' => 'epic_boards feature is disabled'))
-    end
-  end
-
-  context 'when epic_boards are enabled' do
-    before do
-      stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: true)
     end
 
     context 'when user does not have permissions to admin the board' do

ee/spec/requests/api/graphql/mutations/boards/epics/create_spec.rb

@@ -44,7 +44,6 @@ RSpec.describe Mutations::Boards::Epics::Create do
     before do
       group.add_reporter(current_user)
       stub_licensed_features(epics: true)
-      stub_feature_flags(epic_boards: true)
     end
 
     context 'when all arguments are given' do

ee/spec/services/boards/epic_boards/create_service_spec.rb

@@ -10,24 +10,8 @@ RSpec.describe Boards::EpicBoards::CreateService, services: true do
   let_it_be(:user) { create(:user) }
 
   let(:parent) { create(:group) }
-  let(:epic_boards_enabled) { false }
-
-  before do
-    stub_feature_flags(epic_boards: epic_boards_enabled)
-  end
-
-  context 'with epic boards feature not available' do
-    it 'does not create a board' do
-      service = described_class.new(parent, user)
-
-      expect(service.execute.payload).not_to be_nil
-      expect { service.execute }.not_to change(parent.epic_boards, :count)
-    end
-  end
-
-  context 'with epic boards feature available' do
-    let(:epic_boards_enabled) { true }
 
+  context 'create epic board' do
     it_behaves_like 'create a board', :epic_boards
 
     it 'tracks epic board creation' do

ee/spec/services/boards/epic_lists/create_service_spec.rb

@@ -12,17 +12,4 @@ RSpec.describe Boards::EpicLists::CreateService do
       create(:epic_list, params.merge(epic_board: board))
     end
   end
-
-  context 'when epic_boards feature flag is disabled' do
-    before do
-      stub_feature_flags(epic_boards: false)
-    end
-
-    it 'returns an error' do
-      response = described_class.new(parent, nil).execute(board)
-
-      expect(response.success?).to eq(false)
-      expect(response.errors).to include("Epic boards feature is not enabled.")
-    end
-  end
 end

ee/spec/services/boards/epic_lists/destroy_service_spec.rb

@@ -18,7 +18,6 @@ RSpec.describe Boards::EpicLists::DestroyService do
 
   before do
     stub_licensed_features(epics: true)
-    stub_feature_flags(epic_boards: true)
   end
 
   context 'when user does not have permission' do
@@ -50,18 +49,5 @@ RSpec.describe Boards::EpicLists::DestroyService do
         expect(response.errors).to include("Epics feature is not available.")
       end
     end
-
-    context 'when epic_boards feature flag is disabled' do
-      before do
-        stub_feature_flags(epic_boards: false)
-      end
-
-      it 'returns an error' do
-        response = described_class.new(parent, nil).execute(list)
-
-        expect(response).to be_error
-        expect(response.errors).to include("Epic boards feature is not enabled.")
-      end
-    end
   end
 end

ee/spec/services/boards/epics/create_service_spec.rb

@@ -76,13 +76,5 @@ RSpec.describe Boards::Epics::CreateService do
     context 'when epics feature is not available' do
       it_behaves_like 'epic creation error', /does not exist or you don't have permission/
     end
-
-    context 'when epic boards feature flag is not enabled' do
-      before do
-        stub_feature_flags(epic_boards: false)
-      end
-
-      it_behaves_like 'epic creation error', /not available/
-    end
   end
 end