1 files changed, 19 insertions, 0 deletions
diff --git a/lib/gitlab/metrics/null_metric.rb b/lib/gitlab/metrics/null_metric.rb
new file mode 100644
index 00000000000..1501cd38676
--- /dev/null
+++ b/lib/gitlab/metrics/null_metric.rb
@@ -0,0 +1,19 @@
+module Gitlab
+  module Metrics
+    # Mocks ::Prometheus::Client::Metric and all derived metrics
+    class NullMetric
+      def method_missing(name, *args, &block)
+        nil
+      end
+
+      # these methods shouldn't be called when metrics are disabled
+      def get(*args)
+        raise NotImplementedError
+      end
+
+      def values(*args)
+        raise NotImplementedError
+      end
+    end
+  end
+end