Merge branch 'master' into ide

* master: (177 commits)
  Add changelog
  Bump gitlab-shell version to 5.8.0 to fix Git for Windows 2.14
  Make contextual sidebar collapsible
  Fixed sidebar context header hover colors
  Use correct `Environment`-class within `Gitlab` namespace
  Remove gl.Activities from Commits page
  Move `let` calls inside the `describe` block using them
  Add `/assign me` alias support for assigning issuables to oneself
  GRPC::Unavailable (< GRPC::BadStatus) is wrapped in a CommandError
  Use `broken_storage` in the fs_shards_spec.
  Eager load project creators for project dashboards
  Memoize a user's personal projects count
  Remove redundant query from User#recent_push
  Improve checking if projects would be returned
  Change spelling of gitlab-shell
  Remove unused #tree-holder
  Add custom linter for inline JavaScript to haml_lint
  Rename user_can_admin? because it's more accurate
  Synchronous zanata community contribution translation
  Add Korean translation to i18n
  ...

1 files changed, 50 insertions, 0 deletions

diff --git a/lib/api/circuit_breakers.rb b/lib/api/circuit_breakers.rb
new file mode 100644
index 00000000000..118883f5ea5
--- /dev/null
+++ b/lib/api/circuit_breakers.rb
@@ -0,0 +1,50 @@
+module API
+  class CircuitBreakers < Grape::API
+    before { authenticated_as_admin! }
+
+    resource :circuit_breakers do
+      params do
+        requires :type,
+                 type: String,
+                 desc: "The type of circuitbreaker",
+                 values: ['repository_storage']
+      end
+      resource ':type' do
+        namespace '', requirements: { type: 'repository_storage' } do
+          helpers do
+            def failing_storage_health
+              @failing_storage_health ||= Gitlab::Git::Storage::Health.for_failing_storages
+            end
+
+            def storage_health
+              @failing_storage_health ||= Gitlab::Git::Storage::Health.for_all_storages
+            end
+          end
+
+          desc 'Get all failing git storages' do
+            detail 'This feature was introduced in GitLab 9.5'
+            success Entities::RepositoryStorageHealth
+          end
+          get do
+            present storage_health, with: Entities::RepositoryStorageHealth
+          end
+
+          desc 'Get all failing git storages' do
+            detail 'This feature was introduced in GitLab 9.5'
+            success Entities::RepositoryStorageHealth
+          end
+          get 'failing' do
+            present failing_storage_health, with: Entities::RepositoryStorageHealth
+          end
+
+          desc 'Reset all storage failures and open circuitbreaker' do
+            detail 'This feature was introduced in GitLab 9.5'
+          end
+          delete do
+            Gitlab::Git::Storage::CircuitBreaker.reset_all!
+          end
+        end
+      end
+    end
+  end
+end