1 files changed, 25 insertions, 0 deletions
diff --git a/lib/gitlab/git/storage.rb b/lib/gitlab/git/storage.rb
new file mode 100644
index 00000000000..5933312b0b5
--- /dev/null
+++ b/lib/gitlab/git/storage.rb
@@ -0,0 +1,25 @@
+module Gitlab
+  module Git
+    module Storage
+      class Inaccessible < StandardError
+        attr_reader :retry_after
+
+        def initialize(message = nil, retry_after = nil)
+          super(message)
+          @retry_after = retry_after
+        end
+      end
+
+      CircuitOpen = Class.new(Inaccessible)
+      Misconfiguration = Class.new(Inaccessible)
+      Failing = Class.new(Inaccessible)
+
+      REDIS_KEY_PREFIX = 'storage_accessible:'.freeze
+      REDIS_KNOWN_KEYS = "#{REDIS_KEY_PREFIX}known_keys_set".freeze
+
+      def self.redis
+        Gitlab::Redis::SharedState
+      end
+    end
+  end
+end