1 files changed, 57 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/entry/product/parallel.rb b/lib/gitlab/ci/config/entry/product/parallel.rb
new file mode 100644
index 00000000000..cd9eabbbc66
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/product/parallel.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        ##
+        # Entry that represents a parallel job config.
+        #
+        module Product
+          class Parallel < ::Gitlab::Config::Entry::Simplifiable
+            strategy :ParallelBuilds, if: -> (config) { config.is_a?(Numeric) }
+            strategy :MatrixBuilds, if: -> (config) { config.is_a?(Hash) }
+
+            PARALLEL_LIMIT = 50
+
+            class ParallelBuilds < ::Gitlab::Config::Entry::Node
+              include ::Gitlab::Config::Entry::Validatable
+
+              validations do
+                validates :config, numericality: { only_integer: true,
+                                                   greater_than_or_equal_to: 2,
+                                                   less_than_or_equal_to: Entry::Product::Parallel::PARALLEL_LIMIT },
+                                   allow_nil: true
+              end
+
+              def value
+                { number: super.to_i }
+              end
+            end
+
+            class MatrixBuilds < ::Gitlab::Config::Entry::Node
+              include ::Gitlab::Config::Entry::Attributable
+              include ::Gitlab::Config::Entry::Configurable
+
+              PERMITTED_KEYS = %i[matrix].freeze
+
+              validations do
+                validates :config, allowed_keys: PERMITTED_KEYS
+                validates :config, required_keys: PERMITTED_KEYS
+              end
+
+              entry :matrix, Entry::Product::Matrix,
+                description: 'Variables definition for matrix builds'
+            end
+
+            class UnknownStrategy < ::Gitlab::Config::Entry::Node
+              def errors
+                ["#{location} should be an integer or a hash"]
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end