2016-06-14 10:47:07 +00:00
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module Gitlab
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module ImportExport
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class FileImporter
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include Gitlab::ImportExport::CommandLineUtil
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2016-07-27 15:56:25 +00:00
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MAX_RETRIES = 8
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2016-06-14 10:47:07 +00:00
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def self.import(*args)
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new(*args).import
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end
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def initialize(archive_file:, shared:)
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@archive_file = archive_file
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@shared = shared
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end
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def import
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FileUtils.mkdir_p(@shared.export_path)
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2016-07-27 15:56:25 +00:00
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wait_for_archived_file do
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decompress_archive
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end
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2016-06-14 10:47:07 +00:00
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rescue => e
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@shared.error(e)
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false
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end
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private
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2016-07-27 15:56:25 +00:00
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# Exponentially sleep until I/O finishes copying the file
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def wait_for_archived_file
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MAX_RETRIES.times do |retry_number|
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2016-08-01 09:07:06 +00:00
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break if File.exist?(@archive_file)
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2016-07-27 15:56:25 +00:00
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2016-08-01 09:07:06 +00:00
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sleep(2**retry_number)
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2016-07-27 15:56:25 +00:00
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end
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2016-08-01 09:07:06 +00:00
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yield
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2016-07-27 15:56:25 +00:00
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end
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2016-06-14 10:47:07 +00:00
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def decompress_archive
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2016-06-24 08:50:23 +00:00
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result = untar_zxf(archive: @archive_file, dir: @shared.export_path)
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raise Projects::ImportService::Error.new("Unable to decompress #{@archive_file} into #{@shared.export_path}") unless result
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true
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2016-06-14 10:47:07 +00:00
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end
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end
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end
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end
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