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# frozen_string_literal: true
module Packages
module Cleanup
class DeleteOrphanedDependenciesWorker
include ApplicationWorker
include CronjobQueue # rubocop:disable Scalability/CronWorkerContext
data_consistency :sticky
feature_category :package_registry
urgency :low
idempotent!
# This cron worker is executed at an interval of 10 minutes and should not run for
# more than 2 minutes nor process more than 10 batches.
MAX_RUN_TIME = 2.minutes
MAX_BATCHES = 10
BATCH_SIZE = 100
LAST_PROCESSED_PACKAGES_DEPENDENCY_REDIS_KEY = 'last_processed_packages_dependency_id'
REDIS_EXPIRATION_TIME = 2.hours.to_i
def perform
return unless enabled?
start_time
dependency_id = last_processed_dependency_id
batches_count = 0
deleted_rows_count = 0
::Packages::Dependency.id_in(dependency_id..).each_batch(of: BATCH_SIZE) do |batch|
batches_count += 1
deleted_rows_count += batch.orphaned.delete_all
if batches_count == MAX_BATCHES || over_time?
save_last_processed_dependency_id(batch.maximum(:id))
break
end
end
log_extra_metadata(deleted_rows_count)
reset_last_processed_dependency_id if batches_count < MAX_BATCHES && !over_time?
end
private
def enabled?
Feature.enabled?(:packages_delete_orphaned_dependencies_worker)
end
def start_time
@start_time ||= ::Gitlab::Metrics::System.monotonic_time
end
def over_time?
(::Gitlab::Metrics::System.monotonic_time - start_time) > MAX_RUN_TIME
end
def save_last_processed_dependency_id(dependency_id)
with_redis do |redis|
redis.set(LAST_PROCESSED_PACKAGES_DEPENDENCY_REDIS_KEY, dependency_id, ex: REDIS_EXPIRATION_TIME)
end
end
def last_processed_dependency_id
with_redis do |redis|
redis.get(LAST_PROCESSED_PACKAGES_DEPENDENCY_REDIS_KEY).to_i
end
end
def reset_last_processed_dependency_id
with_redis do |redis|
redis.del(LAST_PROCESSED_PACKAGES_DEPENDENCY_REDIS_KEY)
end
end
def with_redis(&block)
Gitlab::Redis::SharedState.with(&block) # rubocop:disable CodeReuse/ActiveRecord
end
def log_extra_metadata(deleted_rows_count)
log_extra_metadata_on_done(:last_processed_packages_dependency_id, last_processed_dependency_id)
log_extra_metadata_on_done(:deleted_rows_count, deleted_rows_count)
end
end
end
end
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