require 'open3' module Backup class Files 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(cp -a #{app_files_dir} #{Gitlab.config.backup.path}) output, status = Gitlab::Popen.popen(cmd) unless status.zero? puts output abort 'Backup failed' end run_pipeline!([%W(tar -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 -C #{app_files_dir} -cf - .), %w(gzip -c -1)], out: [backup_tarball, 'w', 0600]) end end def restore backup_existing_files_dir create_files_dir run_pipeline!([%w(gzip -cd), %W(tar -C #{app_files_dir} -xf -)], in: backup_tarball) end def backup_existing_files_dir timestamped_files_path = File.join(files_parent_dir, "#{name}.#{Time.now.to_i}") if File.exist?(app_files_dir) FileUtils.mv(app_files_dir, File.expand_path(timestamped_files_path)) end end def run_pipeline!(cmd_list, options = {}) status_list = Open3.pipeline(*cmd_list, options) abort 'Backup failed' unless status_list.compact.all?(&:success?) end end end