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-rw-r--r--lib/gitlab/graphql/calls_gitaly.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/gitlab/graphql/calls_gitaly.rb b/lib/gitlab/graphql/calls_gitaly.rb
new file mode 100644
index 00000000000..40cd74a34f2
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+++ b/lib/gitlab/graphql/calls_gitaly.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Gitlab
+ module Graphql
+ # Wraps the field resolution to count Gitaly calls before and after.
+ # Raises an error if the field calls Gitaly but hadn't declared such.
+ module CallsGitaly
+ extend ActiveSupport::Concern
+
+ def self.use(schema_definition)
+ schema_definition.instrument(:field, Gitlab::Graphql::CallsGitaly::Instrumentation.new, after_built_ins: true)
+ end
+ end
+ end
+end