1 files changed, 46 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/entry/ports.rb b/lib/gitlab/ci/config/entry/ports.rb
new file mode 100644
index 00000000000..01ffcc7dd87
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/ports.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        ##
+        # Entry that represents a configuration of the ports of a Docker service.
+        #
+        class Ports < ::Gitlab::Config::Entry::Node
+          include ::Gitlab::Config::Entry::Validatable
+
+          validations do
+            validates :config, type: Array
+            validates :config, port_name_present_and_unique: true
+            validates :config, port_unique: true
+          end
+
+          def compose!(deps = nil)
+            super do
+              @entries = []
+              @config.each do |config|
+                @entries << ::Gitlab::Config::Entry::Factory.new(Entry::Port)
+                  .value(config || {})
+                  .with(key: "port", parent: self, description: "port definition.") # rubocop:disable CodeReuse/ActiveRecord
+                  .create!
+              end
+
+              @entries.each do |entry|
+                entry.compose!(deps)
+              end
+            end
+          end
+
+          def value
+            @entries.map(&:value)
+          end
+
+          def descendants
+            @entries
+          end
+        end
+      end
+    end
+  end
+end