gitlab-org--gitlab-foss/app/services/projects/import_service.rb
2017-11-07 23:25:03 +01:00

106 lines
3 KiB
Ruby

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?
return false unless has_importer?
!!importer_class.try(:async?)
end
def execute
add_repository_to_project unless project.gitlab_project_import?
import_data
success
rescue => e
error("Error importing repository #{project.import_url} into #{project.full_path} - #{e.message}")
end
private
def add_repository_to_project
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
raise Error, 'Blocked import URL.' if Gitlab::UrlBlocker.blocked_url?(project.import_url)
# We should return early for a GitHub import because the new GitHub
# importer fetch the project repositories for us.
return if project.github_import?
begin
if project.gitea_import?
fetch_repository
else
clone_repository
end
rescue Gitlab::Shell::Error, Gitlab::Git::RepositoryMirroring::RemoteError => 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 clone_repository
gitlab_shell.import_repository(project.repository_storage_path, project.disk_path, project.import_url)
end
def fetch_repository
project.ensure_repository
project.repository.add_remote(project.import_type, project.import_url)
project.repository.set_remote_as_mirror(project.import_type)
project.repository.fetch_remote(project.import_type, forced: true)
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
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
end
end