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# frozen_string_literal: true
require 'yaml'
module Backup
class Repositories
attr_reader :progress
def initialize(progress)
@progress = progress
end
def dump(max_concurrency:, max_storage_concurrency:)
prepare
if max_concurrency <= 1 && max_storage_concurrency <= 1
return dump_consecutive
end
if Project.excluding_repository_storage(Gitlab.config.repositories.storages.keys).exists?
raise Error, 'repositories.storages in gitlab.yml is misconfigured'
end
semaphore = Concurrent::Semaphore.new(max_concurrency)
errors = Queue.new
threads = Gitlab.config.repositories.storages.keys.map do |storage|
Thread.new do
Rails.application.executor.wrap do
dump_storage(storage, semaphore, max_storage_concurrency: max_storage_concurrency)
rescue => e
errors << e
end
end
end
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
threads.each(&:join)
end
raise errors.pop unless errors.empty?
end
def restore
Project.find_each(batch_size: 1000) do |project|
restore_repository(project, Gitlab::GlRepository::PROJECT)
restore_repository(project, Gitlab::GlRepository::WIKI)
restore_repository(project, Gitlab::GlRepository::DESIGN)
end
restore_object_pools
end
private
def restore_repository(container, type)
BackupRestore.new(
progress,
type.repository_for(container),
backup_repos_path
).restore(always_create: type.project?)
end
def backup_repos_path
File.join(Gitlab.config.backup.path, 'repositories')
end
def prepare
FileUtils.rm_rf(backup_repos_path)
FileUtils.mkdir_p(Gitlab.config.backup.path)
FileUtils.mkdir(backup_repos_path, mode: 0700)
end
def dump_consecutive
Project.includes(:route, :group, namespace: :owner).find_each(batch_size: 1000) do |project|
dump_project(project)
end
end
def dump_storage(storage, semaphore, max_storage_concurrency:)
errors = Queue.new
queue = InterlockSizedQueue.new(1)
threads = Array.new(max_storage_concurrency) do
Thread.new do
Rails.application.executor.wrap do
while project = queue.pop
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
semaphore.acquire
end
begin
dump_project(project)
rescue => e
errors << e
break
ensure
semaphore.release
end
end
end
end
end
Project.for_repository_storage(storage).includes(:route, :group, namespace: :owner).find_each(batch_size: 100) do |project|
break unless errors.empty?
queue.push(project)
end
raise errors.pop unless errors.empty?
ensure
queue.close
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
threads.each(&:join)
end
end
def dump_project(project)
backup_repository(project, Gitlab::GlRepository::PROJECT)
backup_repository(project, Gitlab::GlRepository::WIKI)
backup_repository(project, Gitlab::GlRepository::DESIGN)
end
def backup_repository(container, type)
BackupRestore.new(
progress,
type.repository_for(container),
backup_repos_path
).backup
end
def restore_object_pools
PoolRepository.includes(:source_project).find_each do |pool|
progress.puts " - Object pool #{pool.disk_path}..."
pool.source_project ||= pool.member_projects.first.root_of_fork_network
pool.state = 'none'
pool.save
pool.schedule
end
end
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} ... " + "[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 => 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 => 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
class InterlockSizedQueue < SizedQueue
extend ::Gitlab::Utils::Override
override :pop
def pop(*)
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
super
end
end
override :push
def push(*)
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
super
end
end
end
end
end
|
