2016-04-13 13:56:05 +00:00
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module RepositoryCheck
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class BatchWorker
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include Sidekiq::Worker
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RUN_TIME = 3600
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sidekiq_options retry: false
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def perform
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start = Time.now
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# This loop will break after a little more than one hour ('a little
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# more' because `git fsck` may take a few minutes), or if it runs out of
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# projects to check. By default sidekiq-cron will start a new
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# RepositoryCheckWorker each hour so that as long as there are repositories to
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# check, only one (or two) will be checked at a time.
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project_ids.each do |project_id|
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break if Time.now - start >= RUN_TIME
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break unless current_settings.repository_checks_enabled
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next unless try_obtain_lease(project_id)
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SingleRepositoryWorker.new.perform(project_id)
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end
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end
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private
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# Project.find_each does not support WHERE clauses and
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# Project.find_in_batches does not support ordering. So we just build an
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# array of ID's. This is OK because we do it only once an hour, because
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# getting ID's from Postgres is not terribly slow, and because no user
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# has to sit and wait for this query to finish.
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def project_ids
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limit = 10_000
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2016-04-26 11:35:52 +00:00
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never_checked_projects = Project.where('last_repository_check_at IS NULL AND created_at < ?', 24.hours.ago).
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limit(limit).pluck(:id)
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2016-04-13 15:33:25 +00:00
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old_check_projects = Project.where('last_repository_check_at < ?', 1.month.ago).
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2016-04-13 13:56:05 +00:00
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reorder('last_repository_check_at ASC').limit(limit).pluck(:id)
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never_checked_projects + old_check_projects
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end
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def try_obtain_lease(id)
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# Use a 24-hour timeout because on servers/projects where 'git fsck' is
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# super slow we definitely do not want to run it twice in parallel.
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Gitlab::ExclusiveLease.new(
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"project_repository_check:#{id}",
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timeout: 24.hours
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).try_obtain
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end
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def current_settings
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# No caching of the settings! If we cache them and an admin disables
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# this feature, an active RepositoryCheckWorker would keep going for up
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# to 1 hour after the feature was disabled.
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if Rails.env.test?
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Gitlab::CurrentSettings.fake_application_settings
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else
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ApplicationSetting.current
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end
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end
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end
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end
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