debian-mirror-gitlab/app/services/ci/register_build_service.rb
2015-12-23 02:04:40 +05:30

39 lines
1.1 KiB
Ruby

module Ci
# This class responsible for assigning
# proper pending build to runner on runner API request
class RegisterBuildService
def execute(current_runner)
builds = Ci::Build.pending.unstarted
builds =
if current_runner.shared?
# don't run projects which have not enables shared runners
builds.joins(:project).where(projects: { builds_enabled: true, shared_runners_enabled: true })
else
# do run projects which are only assigned to this runner
builds.where(project: current_runner.projects.where(builds_enabled: true))
end
builds = builds.order('created_at ASC')
build = builds.find do |build|
build.can_be_served?(current_runner)
end
if build
# In case when 2 runners try to assign the same build, second runner will be declined
# with StateMachines::InvalidTransition in run! method.
build.with_lock do
build.runner_id = current_runner.id
build.save!
build.run!
end
end
build
rescue StateMachines::InvalidTransition
nil
end
end
end