62 lines
1.5 KiB
Ruby
62 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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class MergeRequest::CleanupSchedule < ApplicationRecord
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STATUSES = {
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unstarted: 0,
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running: 1,
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completed: 2,
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failed: 3
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}.freeze
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belongs_to :merge_request, inverse_of: :cleanup_schedule
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validates :scheduled_at, presence: true
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state_machine :status, initial: :unstarted do
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state :unstarted, value: STATUSES[:unstarted]
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state :running, value: STATUSES[:running]
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state :completed, value: STATUSES[:completed]
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state :failed, value: STATUSES[:failed]
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event :run do
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transition unstarted: :running
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end
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event :retry do
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transition running: :unstarted
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end
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event :complete do
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transition running: :completed
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end
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event :mark_as_failed do
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transition running: :failed
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end
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before_transition to: [:completed] do |cleanup_schedule, _transition|
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cleanup_schedule.completed_at = Time.current
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end
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before_transition from: :running, to: [:unstarted, :failed] do |cleanup_schedule, _transition|
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cleanup_schedule.failed_count += 1
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end
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end
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scope :scheduled_and_unstarted, -> {
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where('completed_at IS NULL AND scheduled_at <= NOW() AND status = ?', STATUSES[:unstarted])
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.order('scheduled_at DESC')
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}
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def self.start_next
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MergeRequest::CleanupSchedule.transaction do
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cleanup_schedule = scheduled_and_unstarted.lock('FOR UPDATE SKIP LOCKED').first
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next if cleanup_schedule.blank?
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cleanup_schedule.run!
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cleanup_schedule
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end
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end
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end
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