Move after script CI job confg to new processor

lib/gitlab/ci/config/node/job.rb

@@ -24,7 +24,10 @@ module Gitlab
           node :type, Stage,
             description: 'Deprecated: stage this job will be executed into.'
 
-          helpers :before_script, :script, :stage, :type
+          node :after_script, Script,
+            description: 'Commands that will be executed when finishing job.'
+
+          helpers :before_script, :script, :stage, :type, :after_script
 
           def value
             raise InvalidError unless valid?
@@ -41,7 +44,8 @@ module Gitlab
           def to_hash
             { before_script: before_script_value,
               script: script_value,
-              stage: stage_value }
+              stage: stage_value,
+              after_script: after_script_value }
           end
 
           def compose!

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -984,7 +984,7 @@ EOT
         config = YAML.dump({ rspec: { script: "test", after_script: [10, "test"] } })
         expect do
           GitlabCiYamlProcessor.new(config, path)
-        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "rspec job: after_script should be an array of strings")
+        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:after_script config should be an array of strings")
       end
 
       it "returns errors if image parameter is invalid" do

spec/lib/gitlab/ci/config/node/job_spec.rb

@@ -48,14 +48,16 @@ describe Gitlab::Ci::Config::Node::Job do
     context 'when entry is correct' do
       let(:config) do
         { before_script: %w[ls pwd],
-          script: 'rspec' }
+          script: 'rspec',
+          after_script: %w[cleanup] }
       end
 
       it 'returns correct value' do
         expect(entry.value)
           .to eq(before_script: %w[ls pwd],
                  script: %w[rspec],
-                 stage: 'test')
+                 stage: 'test',
+                 after_script: %w[cleanup])
       end
     end