55 lines
1.4 KiB
Ruby
55 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Ci
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##
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# We call this service everytime we persist a CI/CD job.
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#
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# In most cases a job should already have a stage assigned, but in cases it
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# doesn't have we need to either find existing one or create a brand new
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# stage.
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#
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class EnsureStageService < BaseService
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EnsureStageError = Class.new(StandardError)
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def execute(build)
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@build = build
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return if build.stage_id.present?
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return if build.invalid?
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ensure_stage.tap do |stage|
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build.stage_id = stage.id
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yield stage if block_given?
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end
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end
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private
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def ensure_stage(attempts: 2)
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find_stage || create_stage
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rescue ActiveRecord::RecordNotUnique
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retry if (attempts -= 1) > 0
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raise EnsureStageError, <<~EOS
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We failed to find or create a unique pipeline stage after 2 retries.
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This should never happen and is most likely the result of a bug in
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the database load balancing code.
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EOS
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_stage
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@build.pipeline.stages.find_by(name: @build.stage)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def create_stage
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Ci::Stage.create!(name: @build.stage,
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position: @build.stage_idx,
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pipeline: @build.pipeline,
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project: @build.project)
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end
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end
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end
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