58 lines
2 KiB
Ruby
58 lines
2 KiB
Ruby
# frozen_string_literal: true
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# Worker for updating any project specific caches.
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class ProjectCacheWorker
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include ApplicationWorker
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LEASE_TIMEOUT = 15.minutes.to_i
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# project_id - The ID of the project for which to flush the cache.
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# files - An Array containing extra types of files to refresh such as
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# `:readme` to flush the README and `:changelog` to flush the
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# CHANGELOG.
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# statistics - An Array containing columns from ProjectStatistics to
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# refresh, if empty all columns will be refreshed
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# refresh_statistics - A boolean that determines whether project statistics should
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# be updated.
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# rubocop: disable CodeReuse/ActiveRecord
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def perform(project_id, files = [], statistics = [], refresh_statistics = true)
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project = Project.find_by(id: project_id)
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return unless project
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update_statistics(project, statistics) if refresh_statistics
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return unless project.repository.exists?
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project.repository.refresh_method_caches(files.map(&:to_sym))
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project.cleanup
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# NOTE: triggering both an immediate update and one in 15 minutes if we
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# successfully obtain the lease. That way, we only need to wait for the
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# statistics to become accurate if they were already updated once in the
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# last 15 minutes.
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def update_statistics(project, statistics = [])
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return if Gitlab::Database.read_only?
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return unless try_obtain_lease_for(project.id, statistics)
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Projects::UpdateStatisticsService.new(project, nil, statistics: statistics).execute
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UpdateProjectStatisticsWorker.perform_in(LEASE_TIMEOUT, project.id, statistics)
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end
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private
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def try_obtain_lease_for(project_id, statistics)
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Gitlab::ExclusiveLease
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.new(project_cache_worker_key(project_id, statistics), timeout: LEASE_TIMEOUT)
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.try_obtain
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end
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def project_cache_worker_key(project_id, statistics)
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["project_cache_worker", project_id, *statistics.sort].join(":")
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end
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end
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ProjectCacheWorker.prepend_if_ee('EE::ProjectCacheWorker')
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