1 files changed, 42 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/entry/validator.rb b/lib/gitlab/ci/config/entry/validator.rb
new file mode 100644
index 00000000000..55343005fe3
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/validator.rb
@@ -0,0 +1,42 @@
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        class Validator < SimpleDelegator
+          include ActiveModel::Validations
+          include Entry::Validators
+
+          def initialize(entry)
+            super(entry)
+            @entry = entry
+          end
+
+          def messages
+            errors.full_messages.map do |error|
+              "#{location} #{error}".downcase
+            end
+          end
+
+          def self.name
+            'Validator'
+          end
+
+          private
+
+          def location
+            predecessors = ancestors.map(&:key).compact
+            predecessors.append(key_name).join(':')
+          end
+
+          def key_name
+            if key.blank?
+              @entry.class.name.demodulize.underscore.humanize
+            else
+              key
+            end
+          end
+        end
+      end
+    end
+  end
+end