1 files changed, 25 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/loader.rb b/lib/gitlab/ci/config/loader.rb
new file mode 100644
index 00000000000..dbf6eb0edbe
--- /dev/null
+++ b/lib/gitlab/ci/config/loader.rb
@@ -0,0 +1,25 @@
+module Gitlab
+  module Ci
+    class Config
+      class Loader
+        class FormatError < StandardError; end
+
+        def initialize(config)
+          @config = YAML.safe_load(config, [Symbol], [], true)
+        end
+
+        def valid?
+          @config.is_a?(Hash)
+        end
+
+        def load!
+          unless valid?
+            raise FormatError, 'Invalid configuration format'
+          end
+
+          @config.deep_symbolize_keys
+        end
+      end
+    end
+  end
+end