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