Move HasVariable concern to CI namespace

HasVariable concern is only used by CI variable classes

app/models/ci/group_variable.rb

@@ -3,7 +3,7 @@
 module Ci
   class GroupVariable < ApplicationRecord
     extend Gitlab::Ci::Model
-    include HasVariable
+    include Ci::HasVariable
     include Presentable
     include Maskable
 

app/models/ci/job_variable.rb

@@ -3,7 +3,7 @@
 module Ci
   class JobVariable < ApplicationRecord
     extend Gitlab::Ci::Model
-    include NewHasVariable
+    include Ci::NewHasVariable
     include BulkInsertSafe
 
     belongs_to :job, class_name: "Ci::Build", foreign_key: :job_id

app/models/ci/pipeline_schedule_variable.rb

@@ -3,7 +3,7 @@
 module Ci
   class PipelineScheduleVariable < ApplicationRecord
     extend Gitlab::Ci::Model
-    include HasVariable
+    include Ci::HasVariable
 
     belongs_to :pipeline_schedule
 

app/models/ci/pipeline_variable.rb

@@ -3,7 +3,7 @@
 module Ci
   class PipelineVariable < ApplicationRecord
     extend Gitlab::Ci::Model
-    include HasVariable
+    include Ci::HasVariable
 
     belongs_to :pipeline
 

app/models/ci/variable.rb

@@ -3,7 +3,7 @@
 module Ci
   class Variable < ApplicationRecord
     extend Gitlab::Ci::Model
-    include HasVariable
+    include Ci::HasVariable
     include Presentable
     include Maskable
     prepend HasEnvironmentScope

app/models/concerns/ci/has_variable.rb

+# frozen_string_literal: true
+
+module Ci
+  module HasVariable
+    extend ActiveSupport::Concern
+
+    included do
+      enum variable_type: {
+        env_var: 1,
+        file: 2
+      }
+
+      validates :key,
+        presence: true,
+        length: { maximum: 255 },
+        format: { with: /\A[a-zA-Z0-9_]+\z/,
+                  message: "can contain only letters, digits and '_'." }
+
+      scope :order_key_asc, -> { reorder(key: :asc) }
+
+      attr_encrypted :value,
+        mode: :per_attribute_iv_and_salt,
+        insecure_mode: true,
+        key: Settings.attr_encrypted_db_key_base,
+        algorithm: 'aes-256-cbc'
+
+      def key=(new_key)
+        super(new_key.to_s.strip)
+      end
+    end
+
+    def to_runner_variable
+      { key: key, value: value, public: false, file: file? }
+    end
+  end
+end

app/models/concerns/ci/new_has_variable.rb

+# frozen_string_literal: true
+
+module Ci
+  module NewHasVariable
+    extend ActiveSupport::Concern
+    include Ci::HasVariable
+
+    included do
+      attr_encrypted :value,
+        mode: :per_attribute_iv,
+        algorithm: 'aes-256-gcm',
+        key: Settings.attr_encrypted_db_key_base_32,
+        insecure_mode: false
+    end
+  end
+end

app/models/concerns/has_variable.rb

-# frozen_string_literal: true
-
-module HasVariable
-  extend ActiveSupport::Concern
-
-  included do
-    enum variable_type: {
-      env_var: 1,
-      file: 2
-    }
-
-    validates :key,
-      presence: true,
-      length: { maximum: 255 },
-      format: { with: /\A[a-zA-Z0-9_]+\z/,
-                message: "can contain only letters, digits and '_'." }
-
-    scope :order_key_asc, -> { reorder(key: :asc) }
-
-    attr_encrypted :value,
-       mode: :per_attribute_iv_and_salt,
-       insecure_mode: true,
-       key: Settings.attr_encrypted_db_key_base,
-       algorithm: 'aes-256-cbc'
-
-    def key=(new_key)
-      super(new_key.to_s.strip)
-    end
-  end
-
-  def to_runner_variable
-    { key: key, value: value, public: false, file: file? }
-  end
-end

app/models/concerns/new_has_variable.rb

-# frozen_string_literal: true
-
-module NewHasVariable
-  extend ActiveSupport::Concern
-  include HasVariable
-
-  included do
-    attr_encrypted :value,
-      mode: :per_attribute_iv,
-      algorithm: 'aes-256-gcm',
-      key: Settings.attr_encrypted_db_key_base_32,
-      insecure_mode: false
-  end
-end

lib/gitlab/ci/variables/collection/item.rb

@@ -37,7 +37,7 @@ module Gitlab
             case resource
             when Hash
               self.new(resource.symbolize_keys)
-            when ::HasVariable
+            when ::Ci::HasVariable
               self.new(resource.to_runner_variable)
             when self
               resource.dup

spec/models/concerns/has_variable_spec.rb → spec/models/concerns/ci/has_variable_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-describe HasVariable do
+describe Ci::HasVariable do
   subject { build(:ci_variable) }
 
   it { is_expected.to validate_presence_of(:key) }

spec/support/shared_examples/models/ci_variable_shared_examples.rb

 # frozen_string_literal: true
 
 RSpec.shared_examples 'CI variable' do
-  it { is_expected.to include_module(HasVariable) }
+  it { is_expected.to include_module(Ci::HasVariable) }
 
   describe "variable type" do
     it 'defines variable types' do