Add `variables` keyword to job in CI config YAML

app/models/ci/build.rb

@@ -365,9 +365,11 @@ module Ci
       self.update(erased_by: user, erased_at: Time.now)
     end
 
-    private
-
     def yaml_variables
+      global_yaml_variables + job_yaml_variables
+    end
+
+    def global_yaml_variables
       if commit.config_processor
         commit.config_processor.variables.map do |key, value|
           { key: key, value: value, public: true }
@@ -377,6 +379,12 @@ module Ci
       end
     end
 
+    def job_yaml_variables
+      options[:variables].to_h.map do |key, value|
+        { key: key, value: value, public: true }
+      end
+    end
+
     def project_variables
       project.variables.map do |variable|
         { key: variable.key, value: variable.value, public: false }

lib/ci/gitlab_ci_yaml_processor.rb

@@ -7,7 +7,7 @@ module Ci
     ALLOWED_YAML_KEYS = [:before_script, :image, :services, :types, :stages, :variables, :cache]
     ALLOWED_JOB_KEYS = [:tags, :script, :only, :except, :type, :image, :services,
                         :allow_failure, :type, :stage, :when, :artifacts, :cache,
-                        :dependencies]
+                        :dependencies, :variables]
 
     attr_reader :before_script, :image, :services, :variables, :path, :cache
 
@@ -85,6 +85,7 @@ module Ci
           artifacts: job[:artifacts],
           cache: job[:cache] || @cache,
           dependencies: job[:dependencies],
+          variables: job[:variables],
         }.compact
       }
     end

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -346,7 +346,8 @@ module Ci
     end
 
     describe "Variables" do
-      it "returns variables when defined" do
+      context 'when global variables are defined' do
+        it 'returns variables' do
           variables = {
             var1: "value1",
             var2: "value2",
@@ -362,6 +363,25 @@ module Ci
         end
       end
 
+      context 'when job variables are defined' do
+        let(:job_variables) { { KEY1: 'value1', SOME_KEY_2: 'value2'} }
+        let(:yaml_config) do
+          YAML.dump(
+            { before_script: ['pwd'],
+              rspec: {
+                variables: job_variables,
+                script: 'rspec' }
+            })
+        end
+
+        it 'appends job variable to job attributes' do
+          config = GitlabCiYamlProcessor.new(yaml_config, path)
+
+          expect(config.builds.first[:options][:variables]).to eq job_variables
+        end
+      end
+    end
+
     describe "When" do
       %w(on_success on_failure always).each do |when_state|
         it "returns #{when_state} when defined" do

spec/models/build_spec.rb

@@ -238,6 +238,22 @@ describe Ci::Build, models: true do
 
           it { is_expected.to eq(predefined_variables + predefined_trigger_variable + yaml_variables + secure_variables + trigger_variables) }
         end
+
+        context 'when job variables are defined' do
+          before { build.update_attribute(:options, variables: job_variables) }
+
+          context 'when job variables are unique' do
+            let(:job_variables) { { KEY1: 'value1', KEY2: 'value2' } }
+            let(:resulting_variables) do
+              [{ key: :KEY1, value: 'value1', public: true },
+               { key: :KEY2, value: 'value2', public: true }]
+            end
+
+            it 'includes job variables' do
+              expect(subject).to include(*resulting_variables)
+            end
+          end
+        end
       end
     end
   end