Use aspect-oriented design in CI/CD config entries

4 files changed, 20 insertions, 7 deletions

diff --git a/lib/gitlab/ci/config/entry/configurable.rb b/lib/gitlab/ci/config/entry/configurable.rb
index e05aca9881b..68b6742385a 100644
--- a/lib/gitlab/ci/config/entry/configurable.rb
+++ b/lib/gitlab/ci/config/entry/configurable.rb
@@ -15,9 +15,10 @@ module Gitlab
         #
         module Configurable
           extend ActiveSupport::Concern
-          include Validatable
 
           included do
+            include Validatable
+
             validations do
               validates :config, type: Hash
             end
diff --git a/lib/gitlab/ci/config/entry/node.rb b/lib/gitlab/ci/config/entry/node.rb
index a6a914d79c1..2474684e07f 100644
--- a/lib/gitlab/ci/config/entry/node.rb
+++ b/lib/gitlab/ci/config/entry/node.rb
@@ -16,8 +16,9 @@ module Gitlab
             @metadata = metadata
             @entries = {}
 
-            @validator = self.class.validator.new(self)
-            @validator.validate(:new)
+            self.class.aspects.to_a.each do |aspect|
+              instance_exec(&aspect)
+            end
           end
 
           def [](key)
@@ -47,7 +48,7 @@ module Gitlab
           end
 
           def errors
-            @validator.messages + descendants.flat_map(&:errors)
+            []
           end
 
           def value
@@ -79,8 +80,8 @@ module Gitlab
           def self.default
           end
 
-          def self.validator
-            Validator
+          def self.aspects
+            @aspects ||= []
           end
         end
       end
diff --git a/lib/gitlab/ci/config/entry/validatable.rb b/lib/gitlab/ci/config/entry/validatable.rb
index f7f1b111571..5ced778d311 100644
--- a/lib/gitlab/ci/config/entry/validatable.rb
+++ b/lib/gitlab/ci/config/entry/validatable.rb
@@ -5,6 +5,17 @@ module Gitlab
         module Validatable
           extend ActiveSupport::Concern
 
+          def self.included(node)
+            node.aspects.append -> do
+              @validator = self.class.validator.new(self)
+              @validator.validate(:new)
+            end
+          end
+
+          def errors
+            @validator.messages + descendants.flat_map(&:errors)
+          end
+
           class_methods do
             def validator
               @validator ||= Class.new(Entry::Validator).tap do |validator|
diff --git a/lib/gitlab/ci/config/entry/validator.rb b/lib/gitlab/ci/config/entry/validator.rb
index 55343005fe3..5ab54d7e218 100644
--- a/lib/gitlab/ci/config/entry/validator.rb
+++ b/lib/gitlab/ci/config/entry/validator.rb
@@ -30,7 +30,7 @@ module Gitlab
 
           def key_name
             if key.blank?
-              @entry.class.name.demodulize.underscore.humanize
+              @entry.class.name.to_s.demodulize.underscore.humanize
             else
               key
             end