107 lines
2.5 KiB
Ruby
107 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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# Used for git housekeeping
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#
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# Ex.
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# Repositories::HousekeepingService.new(project).execute
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# Repositories::HousekeepingService.new(project.wiki).execute
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#
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module Repositories
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class HousekeepingService < BaseService
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# Timeout set to 24h
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LEASE_TIMEOUT = 86400
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PACK_REFS_PERIOD = 6
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class LeaseTaken < StandardError
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def to_s
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"Somebody already triggered housekeeping for this resource in the past #{LEASE_TIMEOUT / 60} minutes"
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end
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end
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def initialize(resource, task = nil)
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@resource = resource
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@task = task
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end
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def execute
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lease_uuid = try_obtain_lease
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raise LeaseTaken unless lease_uuid.present?
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yield if block_given?
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execute_gitlab_shell_gc(lease_uuid)
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end
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def needed?
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pushes_since_gc > 0 && period_match? && housekeeping_enabled?
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end
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def increment!
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Gitlab::Metrics.measure(:increment_pushes_since_gc) do
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@resource.increment_pushes_since_gc
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end
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end
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private
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def execute_gitlab_shell_gc(lease_uuid)
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@resource.git_garbage_collect_worker_klass.perform_async(@resource.id, task, lease_key, lease_uuid)
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ensure
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if pushes_since_gc >= gc_period
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Gitlab::Metrics.measure(:reset_pushes_since_gc) do
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@resource.reset_pushes_since_gc
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end
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end
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end
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def try_obtain_lease
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Gitlab::Metrics.measure(:obtain_housekeeping_lease) do
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lease = ::Gitlab::ExclusiveLease.new(lease_key, timeout: LEASE_TIMEOUT)
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lease.try_obtain
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end
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end
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def lease_key
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"#{@resource.class.name.underscore.pluralize}_housekeeping:#{@resource.id}"
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end
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def pushes_since_gc
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@resource.pushes_since_gc
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end
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def task
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return @task if @task
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if pushes_since_gc % gc_period == 0
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:gc
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elsif pushes_since_gc % full_repack_period == 0
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:full_repack
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elsif pushes_since_gc % repack_period == 0
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:incremental_repack
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else
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:pack_refs
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end
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end
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def period_match?
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[gc_period, full_repack_period, repack_period, PACK_REFS_PERIOD].any? { |period| pushes_since_gc % period == 0 }
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end
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def housekeeping_enabled?
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Gitlab::CurrentSettings.housekeeping_enabled
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end
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def gc_period
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Gitlab::CurrentSettings.housekeeping_gc_period
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end
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def full_repack_period
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Gitlab::CurrentSettings.housekeeping_full_repack_period
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end
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def repack_period
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Gitlab::CurrentSettings.housekeeping_incremental_repack_period
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end
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end
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end
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