1 files changed, 42 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/entry/rules/rule.rb b/lib/gitlab/ci/config/entry/rules/rule.rb
new file mode 100644
index 00000000000..1f2a34ec90e
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/rules/rule.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        class Rules::Rule < ::Gitlab::Config::Entry::Node
+          include ::Gitlab::Config::Entry::Validatable
+          include ::Gitlab::Config::Entry::Attributable
+
+          CLAUSES      = %i[if changes].freeze
+          ALLOWED_KEYS = %i[if changes when start_in].freeze
+          ALLOWED_WHEN = %w[on_success on_failure always never manual delayed].freeze
+
+          attributes :if, :changes, :when, :start_in
+
+          validations do
+            validates :config, presence: true
+            validates :config, type: { with: Hash }
+            validates :config, allowed_keys: ALLOWED_KEYS
+            validates :config, disallowed_keys: %i[start_in], unless: :specifies_delay?
+            validates :start_in, presence: true, if: :specifies_delay?
+            validates :start_in, duration: { limit: '1 day' }, if: :specifies_delay?
+
+            with_options allow_nil: true do
+              validates :if, expression: true
+              validates :changes, array_of_strings: true
+              validates :when, allowed_values: { in: ALLOWED_WHEN }
+            end
+          end
+
+          def specifies_delay?
+            self.when == 'delayed'
+          end
+
+          def default
+          end
+        end
+      end
+    end
+  end
+end