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