debian-mirror-gitlab/app/models/concerns/storage/legacy_namespace.rb
2018-03-17 18:26:18 +05:30

115 lines
4 KiB
Ruby

module Storage
module LegacyNamespace
extend ActiveSupport::Concern
def move_dir
if any_project_has_container_registry_tags?
raise Gitlab::UpdatePathError.new('Namespace cannot be moved, because at least one project has tags in container registry')
end
parent_was = if parent_changed? && parent_id_was.present?
Namespace.find(parent_id_was) # raise NotFound early if needed
end
expires_full_path_cache
move_repositories
if parent_changed?
former_parent_full_path = parent_was&.full_path
parent_full_path = parent&.full_path
Gitlab::UploadsTransfer.new.move_namespace(path, former_parent_full_path, parent_full_path)
Gitlab::PagesTransfer.new.move_namespace(path, former_parent_full_path, parent_full_path)
else
Gitlab::UploadsTransfer.new.rename_namespace(full_path_was, full_path)
Gitlab::PagesTransfer.new.rename_namespace(full_path_was, full_path)
end
remove_exports!
# If repositories moved successfully we need to
# send update instructions to users.
# However we cannot allow rollback since we moved namespace dir
# So we basically we mute exceptions in next actions
begin
send_update_instructions
write_projects_repository_config
true
rescue
# Returning false does not rollback after_* transaction but gives
# us information about failing some of tasks
false
end
end
# Hooks
# Save the storage paths before the projects are destroyed to use them on after destroy
def prepare_for_destroy
old_repository_storage_paths
end
private
def move_repositories
# Move the namespace directory in all storage paths used by member projects
repository_storage_paths.each do |repository_storage_path|
# Ensure old directory exists before moving it
gitlab_shell.add_namespace(repository_storage_path, full_path_was)
# Ensure new directory exists before moving it (if there's a parent)
gitlab_shell.add_namespace(repository_storage_path, parent.full_path) if parent
unless gitlab_shell.mv_namespace(repository_storage_path, full_path_was, full_path)
Rails.logger.error "Exception moving path #{repository_storage_path} from #{full_path_was} to #{full_path}"
# if we cannot move namespace directory we should rollback
# db changes in order to prevent out of sync between db and fs
raise Gitlab::UpdatePathError.new('namespace directory cannot be moved')
end
end
end
def old_repository_storage_paths
@old_repository_storage_paths ||= repository_storage_paths
end
def repository_storage_paths
# We need to get the storage paths for all the projects, even the ones that are
# pending delete. Unscoping also get rids of the default order, which causes
# problems with SELECT DISTINCT.
Project.unscoped do
all_projects.select('distinct(repository_storage)').to_a.map(&:repository_storage_path)
end
end
def rm_dir
# Remove the namespace directory in all storages paths used by member projects
old_repository_storage_paths.each do |repository_storage_path|
# Move namespace directory into trash.
# We will remove it later async
new_path = "#{full_path}+#{id}+deleted"
if gitlab_shell.mv_namespace(repository_storage_path, full_path, new_path)
Gitlab::AppLogger.info %Q(Namespace directory "#{full_path}" moved to "#{new_path}")
# Remove namespace directroy async with delay so
# GitLab has time to remove all projects first
run_after_commit do
GitlabShellWorker.perform_in(5.minutes, :rm_namespace, repository_storage_path, new_path)
end
end
end
remove_exports!
end
def remove_legacy_exports!
legacy_export_path = File.join(Gitlab::ImportExport.storage_path, full_path_was)
FileUtils.rm_rf(legacy_export_path)
end
end
end