2018-07-26 21:23:33 +00:00
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# frozen_string_literal: true
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module Gitlab
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module Cleanup
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class ProjectUploadFileFinder
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FIND_BATCH_SIZE = 500
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ABSOLUTE_UPLOAD_DIR = FileUploader.root.freeze
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2019-08-31 19:25:25 +00:00
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EXCLUDED_SYSTEM_UPLOADS_PATH = "#{ABSOLUTE_UPLOAD_DIR}/-/*"
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EXCLUDED_HASHED_UPLOADS_PATH = "#{ABSOLUTE_UPLOAD_DIR}/@hashed/*"
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EXCLUDED_TMP_UPLOADS_PATH = "#{ABSOLUTE_UPLOAD_DIR}/tmp/*"
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2018-07-26 21:23:33 +00:00
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# Paths are relative to the upload directory
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def each_file_batch(batch_size: FIND_BATCH_SIZE, &block)
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cmd = build_find_command(ABSOLUTE_UPLOAD_DIR)
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Open3.popen2(*cmd) do |stdin, stdout, status_thread|
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yield_paths_in_batches(stdout, batch_size, &block)
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raise "Find command failed" unless status_thread.value.success?
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end
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end
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private
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def yield_paths_in_batches(stdout, batch_size, &block)
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paths = []
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stdout.each_line("\0") do |line|
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paths << line.chomp("\0")
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if paths.size >= batch_size
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yield(paths)
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paths = []
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end
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end
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yield(paths) if paths.any?
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end
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def build_find_command(search_dir)
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cmd = %W[find -L #{search_dir}
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-type f
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! ( -path #{EXCLUDED_SYSTEM_UPLOADS_PATH} -prune )
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! ( -path #{EXCLUDED_HASHED_UPLOADS_PATH} -prune )
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! ( -path #{EXCLUDED_TMP_UPLOADS_PATH} -prune )
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-print0]
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ionice = which_ionice
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cmd = %W[#{ionice} -c Idle] + cmd if ionice
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log_msg = "find command: \"#{cmd.join(' ')}\""
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2020-09-08 09:08:31 +00:00
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Gitlab::AppLogger.info log_msg
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2018-07-26 21:23:33 +00:00
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cmd
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end
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def which_ionice
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Gitlab::Utils.which('ionice')
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rescue StandardError
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# In this case, returning false is relatively safe,
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# even though it isn't very nice
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false
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end
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end
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end
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end
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