Implement POC config based parallelization

2 files changed, 11 insertions, 0 deletions

diff --git a/lib/gitlab/ci/config/entry/jobs.rb b/lib/gitlab/ci/config/entry/jobs.rb
index 96b6f2e5d6c..fc4b8637ee2 100644
--- a/lib/gitlab/ci/config/entry/jobs.rb
+++ b/lib/gitlab/ci/config/entry/jobs.rb
@@ -29,6 +29,16 @@ module Gitlab
           # rubocop: disable CodeReuse/ActiveRecord
           def compose!(deps = nil)
             super do
+              @config = @config.map do |name, config|
+                total = config[:parallel]
+                if total
+                  Array.new(total) { { name => config } }
+                    .each_with_index { |build, idx| build["#{name} #{idx + 1}/#{total}".to_sym] = build.delete(name) }
+                else
+                  { name => config }
+                end
+              end.flatten.reduce(:merge)
+
               @config.each do |name, config|
                 node = hidden?(name) ? Entry::Hidden : Entry::Job
 
diff --git a/lib/gitlab/ci/yaml_processor.rb b/lib/gitlab/ci/yaml_processor.rb
index a427aa30683..612d733ad49 100644
--- a/lib/gitlab/ci/yaml_processor.rb
+++ b/lib/gitlab/ci/yaml_processor.rb
@@ -50,6 +50,7 @@ module Gitlab
             after_script: job[:after_script],
             environment: job[:environment],
             retry: job[:retry],
+            parallel: job[:parallel],
             start_in: job[:start_in]
           }.compact }
       end