require 'open3' require_relative 'helper' module Backup class Files include Backup::Helper attr_reader :name, :app_files_dir, :backup_tarball, :files_parent_dir def initialize(name, app_files_dir) @name = name @app_files_dir = File.realpath(app_files_dir) @files_parent_dir = File.realpath(File.join(@app_files_dir, '..')) @backup_files_dir = File.join(Gitlab.config.backup.path, File.basename(@app_files_dir) ) @backup_tarball = File.join(Gitlab.config.backup.path, name + '.tar.gz') end # Copy files from public/files to backup/files def dump FileUtils.mkdir_p(Gitlab.config.backup.path) FileUtils.rm_f(backup_tarball) if ENV['STRATEGY'] == 'copy' cmd = %W(rsync -a --exclude=lost+found #{app_files_dir} #{Gitlab.config.backup.path}) output, status = Gitlab::Popen.popen(cmd) unless status.zero? puts output raise Backup::Error, 'Backup failed' end run_pipeline!([%W(#{tar} --exclude=lost+found -C #{@backup_files_dir} -cf - .), %w(gzip -c -1)], out: [backup_tarball, 'w', 0600]) FileUtils.rm_rf(@backup_files_dir) else run_pipeline!([%W(#{tar} --exclude=lost+found -C #{app_files_dir} -cf - .), %w(gzip -c -1)], out: [backup_tarball, 'w', 0600]) end end def restore backup_existing_files_dir run_pipeline!([%w(gzip -cd), %W(#{tar} --unlink-first --recursive-unlink -C #{app_files_dir} -xf -)], in: backup_tarball) end def tar if system(*%w[gtar --version], out: '/dev/null') # It looks like we can get GNU tar by running 'gtar' 'gtar' else 'tar' end end def backup_existing_files_dir timestamped_files_path = File.join(Gitlab.config.backup.path, "tmp", "#{name}.#{Time.now.to_i}") if File.exist?(app_files_dir) # Move all files in the existing repos directory except . and .. to # repositories.old. directory FileUtils.mkdir_p(timestamped_files_path, mode: 0700) files = Dir.glob(File.join(app_files_dir, "*"), File::FNM_DOTMATCH) - [File.join(app_files_dir, "."), File.join(app_files_dir, "..")] begin FileUtils.mv(files, timestamped_files_path) rescue Errno::EACCES access_denied_error(app_files_dir) rescue Errno::EBUSY resource_busy_error(app_files_dir) end end end def run_pipeline!(cmd_list, options = {}) status_list = Open3.pipeline(*cmd_list, options) raise Backup::Error, 'Backup failed' unless status_list.compact.all?(&:success?) end end end