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# frozen_string_literal: true
module BulkImports
class RelationExportService
include Gitlab::ImportExport::CommandLineUtil
EXISTING_EXPORT_TTL = 3.minutes
def initialize(user, portable, relation, jid)
@user = user
@portable = portable
@relation = relation
@jid = jid
@config = FileTransfer.config_for(portable)
end
def execute
find_or_create_export! do |export|
remove_existing_export_file!(export)
export_service.execute
compress_exported_relation
upload_compressed_file(export)
end
ensure
FileUtils.remove_entry(config.export_path)
end
private
attr_reader :user, :portable, :relation, :jid, :config
def find_or_create_export!
validate_user_permissions!
export = portable.bulk_import_exports.safe_find_or_create_by!(relation: relation)
return export if export.finished? && export.updated_at > EXISTING_EXPORT_TTL.ago
export.update!(status_event: 'start', jid: jid)
yield export
export.update!(status_event: 'finish', error: nil)
rescue StandardError => e
Gitlab::ErrorTracking.track_exception(e, portable_id: portable.id, portable_type: portable.class.name)
export&.update(status_event: 'fail_op', error: e.class)
end
def validate_user_permissions!
ability = "admin_#{portable.to_ability_name}"
user.can?(ability, portable) ||
raise(::Gitlab::ImportExport::Error.permission_error(user, portable))
end
def remove_existing_export_file!(export)
upload = export.upload
return unless upload&.export_file&.file
upload.remove_export_file!
upload.save!
end
def export_service
@export_service ||= if config.tree_relation?(relation) || config.self_relation?(relation)
TreeExportService.new(portable, config.export_path, relation)
elsif config.file_relation?(relation)
FileExportService.new(portable, config.export_path, relation)
else
raise BulkImports::Error, 'Unsupported export relation'
end
end
def upload_compressed_file(export)
compressed_file = File.join(config.export_path, "#{export_service.exported_filename}.gz")
upload = ExportUpload.find_or_initialize_by(export_id: export.id) # rubocop: disable CodeReuse/ActiveRecord
File.open(compressed_file) { |file| upload.export_file = file }
upload.save!
end
def compress_exported_relation
gzip(dir: config.export_path, filename: export_service.exported_filename)
end
end
end
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