8 files changed, 30 insertions, 5 deletions
diff --git a/app/controllers/admin/application_settings_controller.rb b/app/controllers/admin/application_settings_controller.rb
index 7c134d2ec9b..5f70582cbb7 100644
--- a/app/controllers/admin/application_settings_controller.rb
+++ b/app/controllers/admin/application_settings_controller.rb
@@ -56,6 +56,7 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
       :restricted_signup_domains_raw,
       :version_check_enabled,
       :user_oauth_applications,
+      :ci_enabled,
       restricted_visibility_levels: [],
       import_sources: []
     )
diff --git a/app/controllers/ci/application_controller.rb b/app/controllers/ci/application_controller.rb
index d45c4e9caf1..8d8ff75ff72 100644
--- a/app/controllers/ci/application_controller.rb
+++ b/app/controllers/ci/application_controller.rb
@@ -1,5 +1,7 @@
 module Ci
   class ApplicationController < ::ApplicationController
+    before_action :check_enable_flag!
+
     def self.railtie_helpers_paths
       "app/helpers/ci"
     end
@@ -8,6 +10,13 @@ module Ci
 
     private
 
+    def check_enable_flag!
+      unless current_application_settings.ci_enabled
+        redirect_to(disabled_ci_projects_path)
+        return
+      end
+    end
+
     def authenticate_public_page!
       unless project.public
         authenticate_user!
diff --git a/app/controllers/ci/projects_controller.rb b/app/controllers/ci/projects_controller.rb
index 653384b7178..b1f1c087b9e 100644
--- a/app/controllers/ci/projects_controller.rb
+++ b/app/controllers/ci/projects_controller.rb
@@ -5,13 +5,17 @@ module Ci
     before_action :authenticate_user!, except: [:build, :badge, :index, :show]
     before_action :authenticate_public_page!, only: :show
     before_action :project, only: [:build, :integration, :show, :badge, :edit, :update, :destroy, :toggle_shared_runners, :dumped_yaml]
-    before_action :authorize_access_project!, except: [:build, :badge, :index, :show, :new, :create]
+    before_action :authorize_access_project!, except: [:build, :badge, :index, :show, :new, :create, :disabled]
     before_action :authorize_manage_project!, only: [:edit, :integration, :update, :destroy, :toggle_shared_runners, :dumped_yaml]
     before_action :authenticate_token!, only: [:build]
     before_action :no_cache, only: [:badge]
+    skip_before_action :check_enable_flag!, only: [:disabled]
     protect_from_forgery except: :build
 
-    layout 'ci/project', except: :index
+    layout 'ci/project', except: [:index, :disabled]
+
+    def disabled
+    end
 
     def index
       @limit, @offset = (params[:limit] || PROJECTS_BATCH).to_i, (params[:offset] || 0).to_i
diff --git a/app/models/application_setting.rb b/app/models/application_setting.rb
index c8841178e93..784f5c96a0a 100644
--- a/app/models/application_setting.rb
+++ b/app/models/application_setting.rb
@@ -83,7 +83,8 @@ class ApplicationSetting < ActiveRecord::Base
       default_project_visibility: Settings.gitlab.default_projects_features['visibility_level'],
       default_snippet_visibility: Settings.gitlab.default_projects_features['visibility_level'],
       restricted_signup_domains: Settings.gitlab['restricted_signup_domains'],
-      import_sources: ['github','bitbucket','gitlab','gitorious','google_code','fogbugz','git']
+      import_sources: ['github','bitbucket','gitlab','gitorious','google_code','fogbugz','git'],
+      ci_enabled: Settings.gitlab_ci['enabled']
     )
   end
 
diff --git a/app/views/admin/application_settings/_form.html.haml b/app/views/admin/application_settings/_form.html.haml
index a36ae0b766c..1476e29524c 100644
--- a/app/views/admin/application_settings/_form.html.haml
+++ b/app/views/admin/application_settings/_form.html.haml
@@ -124,5 +124,14 @@
         = f.text_area :help_page_text, class: 'form-control', rows: 4
         .help-block Markdown enabled
 
+  %fieldset
+    %legend Continuous Integration
+    .form-group
+      .col-sm-offset-2.col-sm-10
+        .checkbox
+          = f.label :ci_enabled do
+            = f.check_box :ci_enabled
+            Enable Continuous Integration
+
   .form-actions
     = f.submit 'Save', class: 'btn btn-primary'
diff --git a/app/views/ci/projects/disabled.html.haml b/app/views/ci/projects/disabled.html.haml
new file mode 100644
index 00000000000..95276d894ed
--- /dev/null
+++ b/app/views/ci/projects/disabled.html.haml
@@ -0,0 +1 @@
+Continuous Integration has been disabled. Please ask your administrator to enable it.
diff --git a/app/views/layouts/ci/application.html.haml b/app/views/layouts/ci/application.html.haml
index 9cc7fb85142..38023468d0b 100644
--- a/app/views/layouts/ci/application.html.haml
+++ b/app/views/layouts/ci/application.html.haml
@@ -2,7 +2,7 @@
 %html{ lang: "en"}
   = render 'layouts/head'
   %body{class: "ci-body #{user_application_theme}", 'data-page' => body_data_page}
-    - header_title = "CI Projects"
+    - header_title = "Continuous Integration"
     - if current_user
       = render "layouts/header/default", title: header_title
     - else
diff --git a/app/views/layouts/nav/_dashboard.html.haml b/app/views/layouts/nav/_dashboard.html.haml
index 3bda7c46959..b94165aac39 100644
--- a/app/views/layouts/nav/_dashboard.html.haml
+++ b/app/views/layouts/nav/_dashboard.html.haml
@@ -31,7 +31,7 @@
         %span
           Merge Requests
           %span.count= current_user.assigned_merge_requests.opened.count
-  = nav_link(path: 'ci/projects#index') do
+  = nav_link(path: ['ci/projects#index', 'ci/projects#disabled']) do
     = link_to ci_projects_path, title: 'Continuous Integration', data: {placement: 'right'} do
       = icon('building fw')
       %span