245 lines
6.9 KiB
Ruby
245 lines
6.9 KiB
Ruby
# frozen_string_literal: true
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require 'yaml'
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module Backup
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class Repository
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attr_reader :progress
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def initialize(progress)
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@progress = progress
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end
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def dump(max_concurrency:, max_storage_concurrency:)
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prepare
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if max_concurrency <= 1 && max_storage_concurrency <= 1
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return dump_consecutive
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end
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if Project.excluding_repository_storage(Gitlab.config.repositories.storages.keys).exists?
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raise Error, 'repositories.storages in gitlab.yml is misconfigured'
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end
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semaphore = Concurrent::Semaphore.new(max_concurrency)
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errors = Queue.new
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threads = Gitlab.config.repositories.storages.keys.map do |storage|
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Thread.new do
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Rails.application.executor.wrap do
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dump_storage(storage, semaphore, max_storage_concurrency: max_storage_concurrency)
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rescue => e
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errors << e
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end
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end
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end
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ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
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threads.each(&:join)
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end
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raise errors.pop unless errors.empty?
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end
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def backup_project(project)
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path_to_project_bundle = path_to_bundle(project)
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Gitlab::GitalyClient::RepositoryService.new(project.repository)
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.create_bundle(path_to_project_bundle)
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backup_custom_hooks(project)
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rescue => e
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progress_warn(project, e, 'Failed to backup repo')
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end
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def backup_custom_hooks(project)
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FileUtils.mkdir_p(project_backup_path(project))
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custom_hooks_path = custom_hooks_tar(project)
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Gitlab::GitalyClient::RepositoryService.new(project.repository)
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.backup_custom_hooks(custom_hooks_path)
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end
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def restore_custom_hooks(project)
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return unless Dir.exist?(project_backup_path(project))
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return if Dir.glob("#{project_backup_path(project)}/custom_hooks*").none?
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custom_hooks_path = custom_hooks_tar(project)
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Gitlab::GitalyClient::RepositoryService.new(project.repository)
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.restore_custom_hooks(custom_hooks_path)
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end
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def restore
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Project.find_each(batch_size: 1000) do |project|
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progress.print " * #{project.full_path} ... "
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restore_repo_success =
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begin
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try_restore_repository(project)
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rescue => err
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progress.puts "Error: #{err}".color(:red)
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false
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end
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if restore_repo_success
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progress.puts "[DONE]".color(:green)
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else
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progress.puts "[Failed] restoring #{project.full_path} repository".color(:red)
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end
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wiki = ProjectWiki.new(project)
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wiki.repository.remove rescue nil
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path_to_wiki_bundle = path_to_bundle(wiki)
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if File.exist?(path_to_wiki_bundle)
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progress.print " * #{wiki.full_path} ... "
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begin
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wiki.repository.create_from_bundle(path_to_wiki_bundle)
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restore_custom_hooks(wiki)
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progress.puts "[DONE]".color(:green)
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rescue => e
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progress.puts "[Failed] restoring #{wiki.full_path} wiki".color(:red)
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progress.puts "Error #{e}".color(:red)
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end
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end
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end
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restore_object_pools
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end
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protected
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def try_restore_repository(project)
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path_to_project_bundle = path_to_bundle(project)
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project.repository.remove rescue nil
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if File.exist?(path_to_project_bundle)
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project.repository.create_from_bundle(path_to_project_bundle)
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restore_custom_hooks(project)
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else
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project.repository.create_repository
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end
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true
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end
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def path_to_bundle(project)
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File.join(backup_repos_path, project.disk_path + '.bundle')
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end
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def project_backup_path(project)
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File.join(backup_repos_path, project.disk_path)
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end
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def custom_hooks_tar(project)
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File.join(project_backup_path(project), "custom_hooks.tar")
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end
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def backup_repos_path
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File.join(Gitlab.config.backup.path, 'repositories')
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end
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def prepare
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FileUtils.rm_rf(backup_repos_path)
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FileUtils.mkdir_p(Gitlab.config.backup.path)
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FileUtils.mkdir(backup_repos_path, mode: 0700)
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end
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private
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def dump_consecutive
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Project.find_each(batch_size: 1000) do |project|
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dump_project(project)
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end
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end
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def dump_storage(storage, semaphore, max_storage_concurrency:)
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errors = Queue.new
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queue = SizedQueue.new(1)
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threads = Array.new(max_storage_concurrency) do
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Thread.new do
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Rails.application.executor.wrap do
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while project = queue.pop
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semaphore.acquire
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begin
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dump_project(project)
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rescue => e
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errors << e
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break
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ensure
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semaphore.release
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end
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end
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end
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end
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end
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Project.for_repository_storage(storage).find_each(batch_size: 100) do |project|
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break unless errors.empty?
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queue.push(project)
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end
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raise errors.pop unless errors.empty?
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ensure
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queue.close
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ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
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threads.each(&:join)
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end
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end
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def dump_project(project)
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progress.puts " * #{display_repo_path(project)} ... "
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if project.hashed_storage?(:repository)
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FileUtils.mkdir_p(File.dirname(File.join(backup_repos_path, project.disk_path)))
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else
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FileUtils.mkdir_p(File.join(backup_repos_path, project.namespace.full_path)) if project.namespace
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end
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if !empty_repo?(project)
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backup_project(project)
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progress.puts " * #{display_repo_path(project)} ... " + "[DONE]".color(:green)
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else
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progress.puts " * #{display_repo_path(project)} ... " + "[SKIPPED]".color(:cyan)
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end
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wiki = ProjectWiki.new(project)
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if !empty_repo?(wiki)
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backup_project(wiki)
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progress.puts " * #{display_repo_path(project)} ... " + "[DONE] Wiki".color(:green)
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else
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progress.puts " * #{display_repo_path(project)} ... " + "[SKIPPED] Wiki".color(:cyan)
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end
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end
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def progress_warn(project, cmd, output)
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progress.puts "[WARNING] Executing #{cmd}".color(:orange)
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progress.puts "Ignoring error on #{display_repo_path(project)} - #{output}".color(:orange)
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end
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def empty_repo?(project_or_wiki)
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project_or_wiki.repository.expire_emptiness_caches
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project_or_wiki.repository.empty?
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end
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def display_repo_path(project)
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project.hashed_storage?(:repository) ? "#{project.full_path} (#{project.disk_path})" : project.full_path
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end
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def restore_object_pools
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PoolRepository.includes(:source_project).find_each do |pool|
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progress.puts " - Object pool #{pool.disk_path}..."
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pool.source_project ||= pool.member_projects.first.root_of_fork_network
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pool.state = 'none'
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pool.save
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pool.schedule
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end
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end
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end
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end
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