131 lines
3.8 KiB
Ruby
131 lines
3.8 KiB
Ruby
# frozen_string_literal: true
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module Projects
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class ImportService < BaseService
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include Gitlab::ShellAdapter
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Error = Class.new(StandardError)
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# Returns true if this importer is supposed to perform its work in the
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# background.
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#
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# This method will only return `true` if async importing is explicitly
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# supported by an importer class (`Gitlab::GithubImport::ParallelImporter`
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# for example).
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def async?
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has_importer? && !!importer_class.try(:async?)
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end
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def execute
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add_repository_to_project
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download_lfs_objects
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import_data
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success
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rescue => e
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error("Error importing repository #{project.import_url} into #{project.full_path} - #{e.message}")
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end
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private
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def add_repository_to_project
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if project.external_import? && !unknown_url?
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begin
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Gitlab::UrlBlocker.validate!(project.import_url, ports: Project::VALID_IMPORT_PORTS)
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rescue Gitlab::UrlBlocker::BlockedUrlError => e
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raise Error, "Blocked import URL: #{e.message}"
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end
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end
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# We should skip the repository for a GitHub import or GitLab project import,
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# because these importers fetch the project repositories for us.
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return if importer_imports_repository?
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if unknown_url?
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# In this case, we only want to import issues, not a repository.
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create_repository
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elsif !project.repository_exists?
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import_repository
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end
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end
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def create_repository
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unless project.create_repository
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raise Error, 'The repository could not be created.'
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end
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end
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def import_repository
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begin
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refmap = importer_class.try(:refmap) if has_importer?
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if refmap
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project.ensure_repository
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project.repository.fetch_as_mirror(project.import_url, refmap: refmap)
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else
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gitlab_shell.import_repository(project.repository_storage, project.disk_path, project.import_url)
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end
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rescue Gitlab::Shell::Error => e
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# Expire cache to prevent scenarios such as:
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# 1. First import failed, but the repo was imported successfully, so +exists?+ returns true
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# 2. Retried import, repo is broken or not imported but +exists?+ still returns true
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project.repository.expire_content_cache if project.repository_exists?
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raise Error, e.message
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end
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end
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def download_lfs_objects
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# In this case, we only want to import issues
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return if unknown_url?
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# If it has its own repository importer, it has to implements its own lfs import download
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return if importer_imports_repository?
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return unless project.lfs_enabled?
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oids_to_download = Projects::LfsPointers::LfsImportService.new(project).execute
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download_service = Projects::LfsPointers::LfsDownloadService.new(project)
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oids_to_download.each do |oid, link|
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download_service.execute(oid, link)
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end
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rescue => e
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# Right now, to avoid aborting the importing process, we silently fail
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# if any exception raises.
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Rails.logger.error("The Lfs import process failed. #{e.message}")
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end
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def import_data
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return unless has_importer?
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project.repository.expire_content_cache unless project.gitlab_project_import?
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unless importer.execute
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raise Error, 'The remote data could not be imported.'
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end
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end
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def importer_class
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@importer_class ||= Gitlab::ImportSources.importer(project.import_type)
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end
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def has_importer?
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Gitlab::ImportSources.importer_names.include?(project.import_type)
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end
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def importer
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importer_class.new(project)
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end
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def unknown_url?
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project.import_url == Project::UNKNOWN_IMPORT_URL
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end
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def importer_imports_repository?
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has_importer? && importer_class.try(:imports_repository?)
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end
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end
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end
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