1 files changed, 30 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/entry/include/rules/rule.rb b/lib/gitlab/ci/config/entry/include/rules/rule.rb
new file mode 100644
index 00000000000..d3d0f098814
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/include/rules/rule.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        class Include
+          class Rules::Rule < ::Gitlab::Config::Entry::Node
+            include ::Gitlab::Config::Entry::Validatable
+            include ::Gitlab::Config::Entry::Attributable
+
+            ALLOWED_KEYS = %i[if].freeze
+
+            attributes :if
+
+            validations do
+              validates :config, presence: true
+              validates :config, type: { with: Hash }
+              validates :config, allowed_keys: ALLOWED_KEYS
+
+              with_options allow_nil: true do
+                validates :if, expression: true
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end