show group runners setup only to group master

app/views/projects/runners/_group_runners.html.haml

@@ -20,8 +20,11 @@
 - elsif @group_runners.empty?
   This group does not provide any group Runners yet.
 
+  - if can?(current_user, :admin_pipeline, @project.group)
     = render partial: 'ci/runner/how_to_setup_runner',
              locals: { registration_token: @project.group.runners_token, type: 'group' }
+  - else
+    Ask your group master to setup a group Runner.
 
 - else
   %h4.underlined-title Available group Runners : #{@group_runners.count}

spec/features/runners_spec.rb

@@ -187,6 +187,28 @@ feature 'Runners' do
       project.add_master(user)
     end
 
+    given(:group) { create :group }
+
+    context 'as project and group master' do
+      background do
+        group.add_master(user)
+      end
+
+      context 'project with a group but no group runner' do
+        given(:project) { create :project, group: group }
+
+        scenario 'group runners are not available' do
+          visit runners_path(project)
+
+          expect(page).to have_content 'This group does not provide any group Runners yet.'
+
+          expect(page).to have_content 'Setup a group Runner manually'
+          expect(page).not_to have_content 'Ask your group master to setup a group Runner.'
+        end
+      end
+    end
+
+    context 'as project master' do
       context 'project without a group' do
         given(:project) { create :project }
 
@@ -205,6 +227,9 @@ feature 'Runners' do
           visit runners_path(project)
 
           expect(page).to have_content 'This group does not provide any group Runners yet.'
+
+          expect(page).not_to have_content 'Setup a group Runner manually'
+          expect(page).to have_content 'Ask your group master to setup a group Runner.'
         end
       end
 
@@ -235,4 +260,5 @@ feature 'Runners' do
         end
       end
     end
+  end
 end