201 lines
6.3 KiB
Ruby
201 lines
6.3 KiB
Ruby
module Backup
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class Manager
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ARCHIVES_TO_BACKUP = %w[uploads builds artifacts lfs registry]
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FOLDERS_TO_BACKUP = %w[repositories db]
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def pack
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# Make sure there is a connection
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ActiveRecord::Base.connection.reconnect!
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# saving additional informations
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s = {}
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s[:db_version] = "#{ActiveRecord::Migrator.current_version}"
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s[:backup_created_at] = Time.now
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s[:gitlab_version] = Gitlab::VERSION
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s[:tar_version] = tar_version
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s[:skipped] = ENV["SKIP"]
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tar_file = s[:backup_created_at].strftime('%s_%Y_%m_%d') + '_gitlab_backup.tar'
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Dir.chdir(Gitlab.config.backup.path) do
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File.open("#{Gitlab.config.backup.path}/backup_information.yml",
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"w+") do |file|
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file << s.to_yaml.gsub(/^---\n/,'')
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end
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# create archive
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$progress.print "Creating backup archive: #{tar_file} ... "
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# Set file permissions on open to prevent chmod races.
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tar_system_options = {out: [tar_file, 'w', Gitlab.config.backup.archive_permissions]}
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if Kernel.system('tar', '-cf', '-', *backup_contents, tar_system_options)
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$progress.puts "done".color(:green)
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else
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puts "creating archive #{tar_file} failed".color(:red)
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abort 'Backup failed'
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end
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upload(tar_file)
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end
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end
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def upload(tar_file)
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$progress.print "Uploading backup archive to remote storage #{remote_directory} ... "
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connection_settings = Gitlab.config.backup.upload.connection
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if connection_settings.blank?
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$progress.puts "skipped".color(:yellow)
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return
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end
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directory = connect_to_remote_directory(connection_settings)
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if directory.files.create(key: tar_file, body: File.open(tar_file), public: false,
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multipart_chunk_size: Gitlab.config.backup.upload.multipart_chunk_size,
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encryption: Gitlab.config.backup.upload.encryption)
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$progress.puts "done".color(:green)
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else
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puts "uploading backup to #{remote_directory} failed".color(:red)
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abort 'Backup failed'
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end
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end
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def cleanup
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$progress.print "Deleting tmp directories ... "
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backup_contents.each do |dir|
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next unless File.exist?(File.join(Gitlab.config.backup.path, dir))
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if FileUtils.rm_rf(File.join(Gitlab.config.backup.path, dir))
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$progress.puts "done".color(:green)
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else
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puts "deleting tmp directory '#{dir}' failed".color(:red)
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abort 'Backup failed'
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end
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end
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end
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def remove_old
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# delete backups
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$progress.print "Deleting old backups ... "
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keep_time = Gitlab.config.backup.keep_time.to_i
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if keep_time > 0
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removed = 0
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Dir.chdir(Gitlab.config.backup.path) do
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Dir.glob('*_gitlab_backup.tar').each do |file|
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next unless file =~ /(\d+)(?:_\d{4}_\d{2}_\d{2})?_gitlab_backup\.tar/
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timestamp = $1.to_i
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if Time.at(timestamp) < (Time.now - keep_time)
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begin
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FileUtils.rm(file)
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removed += 1
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rescue => e
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$progress.puts "Deleting #{file} failed: #{e.message}".color(:red)
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end
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end
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end
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end
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$progress.puts "done. (#{removed} removed)".color(:green)
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else
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$progress.puts "skipping".color(:yellow)
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end
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end
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def unpack
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Dir.chdir(Gitlab.config.backup.path)
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# check for existing backups in the backup dir
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file_list = Dir.glob("*_gitlab_backup.tar")
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puts "no backups found" if file_list.count == 0
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if file_list.count > 1 && ENV["BACKUP"].nil?
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puts "Found more than one backup, please specify which one you want to restore:"
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puts "rake gitlab:backup:restore BACKUP=timestamp_of_backup"
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exit 1
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end
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tar_file = ENV["BACKUP"].nil? ? file_list.first : file_list.grep(ENV['BACKUP']).first
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unless File.exist?(tar_file)
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puts "The specified backup doesn't exist!"
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exit 1
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end
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$progress.print "Unpacking backup ... "
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unless Kernel.system(*%W(tar -xf #{tar_file}))
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puts "unpacking backup failed".color(:red)
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exit 1
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else
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$progress.puts "done".color(:green)
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end
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ENV["VERSION"] = "#{settings[:db_version]}" if settings[:db_version].to_i > 0
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# restoring mismatching backups can lead to unexpected problems
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if settings[:gitlab_version] != Gitlab::VERSION
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puts "GitLab version mismatch:".color(:red)
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puts " Your current GitLab version (#{Gitlab::VERSION}) differs from the GitLab version in the backup!".color(:red)
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puts " Please switch to the following version and try again:".color(:red)
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puts " version: #{settings[:gitlab_version]}".color(:red)
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puts
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puts "Hint: git checkout v#{settings[:gitlab_version]}"
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exit 1
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end
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end
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def tar_version
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tar_version, _ = Gitlab::Popen.popen(%W(tar --version))
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tar_version.force_encoding('locale').split("\n").first
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end
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def skipped?(item)
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settings[:skipped] && settings[:skipped].include?(item) || disabled_features.include?(item)
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end
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private
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def connect_to_remote_directory(connection_settings)
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connection = ::Fog::Storage.new(connection_settings)
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# We only attempt to create the directory for local backups. For AWS
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# and other cloud providers, we cannot guarantee the user will have
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# permission to create the bucket.
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if connection.service == ::Fog::Storage::Local
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connection.directories.create(key: remote_directory)
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else
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connection.directories.get(remote_directory)
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end
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end
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def remote_directory
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Gitlab.config.backup.upload.remote_directory
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end
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def backup_contents
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folders_to_backup + archives_to_backup + ["backup_information.yml"]
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end
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def archives_to_backup
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ARCHIVES_TO_BACKUP.map{ |name| (name + ".tar.gz") unless skipped?(name) }.compact
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end
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def folders_to_backup
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FOLDERS_TO_BACKUP.reject{ |name| skipped?(name) }
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end
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def disabled_features
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features = []
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features << 'registry' unless Gitlab.config.registry.enabled
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features
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end
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def settings
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@settings ||= YAML.load_file("backup_information.yml")
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end
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end
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end
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