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# frozen_string_literal: true
class GitGarbageCollectWorker # rubocop:disable Scalability/IdempotentWorker
include ApplicationWorker
sidekiq_options retry: false
feature_category :gitaly
loggable_arguments 1, 2, 3
# Timeout set to 24h
LEASE_TIMEOUT = 86400
def perform(project_id, task = :gc, lease_key = nil, lease_uuid = nil)
lease_key ||= "git_gc:#{task}:#{project_id}"
project = Project.find(project_id)
active_uuid = get_lease_uuid(lease_key)
if active_uuid
return unless active_uuid == lease_uuid
renew_lease(lease_key, active_uuid)
else
lease_uuid = try_obtain_lease(lease_key)
return unless lease_uuid
end
task = task.to_sym
if gc?(task)
::Projects::GitDeduplicationService.new(project).execute
cleanup_orphan_lfs_file_references(project)
end
gitaly_call(task, project)
# Refresh the branch cache in case garbage collection caused a ref lookup to fail
flush_ref_caches(project) if gc?(task)
update_repository_statistics(project) if task != :pack_refs
# In case pack files are deleted, release libgit2 cache and open file
# descriptors ASAP instead of waiting for Ruby garbage collection
project.cleanup
ensure
cancel_lease(lease_key, lease_uuid) if lease_key.present? && lease_uuid.present?
end
private
def gc?(task)
task == :gc || task == :prune
end
def try_obtain_lease(key)
::Gitlab::ExclusiveLease.new(key, timeout: LEASE_TIMEOUT).try_obtain
end
def renew_lease(key, uuid)
::Gitlab::ExclusiveLease.new(key, uuid: uuid, timeout: LEASE_TIMEOUT).renew
end
def cancel_lease(key, uuid)
::Gitlab::ExclusiveLease.cancel(key, uuid)
end
def get_lease_uuid(key)
::Gitlab::ExclusiveLease.get_uuid(key)
end
def gitaly_call(task, project)
repository = project.repository.raw_repository
client = if task == :pack_refs
Gitlab::GitalyClient::RefService.new(repository)
else
Gitlab::GitalyClient::RepositoryService.new(repository)
end
case task
when :prune, :gc
client.garbage_collect(bitmaps_enabled?, prune: task == :prune)
when :full_repack
client.repack_full(bitmaps_enabled?)
when :incremental_repack
client.repack_incremental
when :pack_refs
client.pack_refs
end
rescue GRPC::NotFound => e
Gitlab::GitLogger.error("#{__method__} failed:\nRepository not found")
raise Gitlab::Git::Repository::NoRepository.new(e)
rescue GRPC::BadStatus => e
Gitlab::GitLogger.error("#{__method__} failed:\n#{e}")
raise Gitlab::Git::CommandError.new(e)
end
def cleanup_orphan_lfs_file_references(project)
return if Gitlab::Database.read_only? # GitGarbageCollectWorker may be run on a Geo secondary
::Gitlab::Cleanup::OrphanLfsFileReferences.new(project, dry_run: false, logger: logger).run!
rescue => err
Gitlab::GitLogger.warn(message: "Cleaning up orphan LFS objects files failed", error: err.message)
Gitlab::ErrorTracking.track_and_raise_for_dev_exception(err)
end
def flush_ref_caches(project)
project.repository.expire_branches_cache
project.repository.branch_names
project.repository.has_visible_content?
end
def update_repository_statistics(project)
project.repository.expire_statistics_caches
return if Gitlab::Database.read_only? # GitGarbageCollectWorker may be run on a Geo secondary
Projects::UpdateStatisticsService.new(project, nil, statistics: [:repository_size, :lfs_objects_size]).execute
end
def bitmaps_enabled?
Gitlab::CurrentSettings.housekeeping_bitmaps_enabled
end
end
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