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|
# frozen_string_literal: true
module Backup
# Backup and restores repositories using the gitaly RPC
class GitalyRpcBackup
def initialize(progress)
@progress = progress
end
def start(type, backup_repos_path)
raise Error, 'already started' if @type
@type = type
@backup_repos_path = backup_repos_path
case type
when :create
FileUtils.rm_rf(backup_repos_path)
FileUtils.mkdir_p(Gitlab.config.backup.path)
FileUtils.mkdir(backup_repos_path, mode: 0700)
when :restore
# no op
else
raise Error, "unknown backup type: #{type}"
end
end
def finish!
@type = nil
end
def enqueue(container, repository_type)
backup_restore = BackupRestore.new(
progress,
repository_type.repository_for(container),
@backup_repos_path
)
case @type
when :create
backup_restore.backup
when :restore
backup_restore.restore(always_create: repository_type.project?)
else
raise Error, 'not started'
end
end
def parallel_enqueue?
true
end
private
attr_reader :progress
class BackupRestore
attr_accessor :progress, :repository, :backup_repos_path
def initialize(progress, repository, backup_repos_path)
@progress = progress
@repository = repository
@backup_repos_path = backup_repos_path
end
def backup
progress.puts " * #{display_repo_path} ... "
if repository.empty?
progress.puts " * #{display_repo_path} ... " + "[EMPTY] [SKIPPED]".color(:cyan)
return
end
FileUtils.mkdir_p(repository_backup_path)
repository.bundle_to_disk(path_to_bundle)
repository.gitaly_repository_client.backup_custom_hooks(custom_hooks_tar)
progress.puts " * #{display_repo_path} ... " + "[DONE]".color(:green)
rescue StandardError => e
progress.puts "[Failed] backing up #{display_repo_path}".color(:red)
progress.puts "Error #{e}".color(:red)
end
def restore(always_create: false)
progress.puts " * #{display_repo_path} ... "
repository.remove rescue nil
if File.exist?(path_to_bundle)
repository.create_from_bundle(path_to_bundle)
restore_custom_hooks
elsif always_create
repository.create_repository
end
progress.puts " * #{display_repo_path} ... " + "[DONE]".color(:green)
rescue StandardError => e
progress.puts "[Failed] restoring #{display_repo_path}".color(:red)
progress.puts "Error #{e}".color(:red)
end
private
def display_repo_path
"#{repository.full_path} (#{repository.disk_path})"
end
def repository_backup_path
@repository_backup_path ||= File.join(backup_repos_path, repository.disk_path)
end
def path_to_bundle
@path_to_bundle ||= File.join(backup_repos_path, repository.disk_path + '.bundle')
end
def restore_custom_hooks
return unless File.exist?(custom_hooks_tar)
repository.gitaly_repository_client.restore_custom_hooks(custom_hooks_tar)
end
def custom_hooks_tar
File.join(repository_backup_path, "custom_hooks.tar")
end
end
end
end
|
