gitlab-org--gitlab-foss/app/workers/project_cache_worker.rb
2019-03-22 15:16:32 +01:00

45 lines
1.4 KiB
Ruby

# frozen_string_literal: true
# Worker for updating any project specific caches.
class ProjectCacheWorker
include ApplicationWorker
LEASE_TIMEOUT = 15.minutes.to_i
# project_id - The ID of the project for which to flush the cache.
# files - An Array containing extra types of files to refresh such as
# `:readme` to flush the README and `:changelog` to flush the
# CHANGELOG.
# statistics - An Array containing columns from ProjectStatistics to
# refresh, if empty all columns will be refreshed
# rubocop: disable CodeReuse/ActiveRecord
def perform(project_id, files = [], statistics = [])
project = Project.find_by(id: project_id)
return unless project && project.repository.exists?
update_statistics(project, statistics.map(&:to_sym))
project.repository.refresh_method_caches(files.map(&:to_sym))
project.cleanup
end
# rubocop: enable CodeReuse/ActiveRecord
def update_statistics(project, statistics = [])
return if Gitlab::Database.read_only?
return unless try_obtain_lease_for(project.id, :update_statistics)
Rails.logger.info("Updating statistics for project #{project.id}")
project.statistics.refresh!(only: statistics)
end
private
def try_obtain_lease_for(project_id, section)
Gitlab::ExclusiveLease
.new("project_cache_worker:#{project_id}:#{section}", timeout: LEASE_TIMEOUT)
.try_obtain
end
end