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# frozen_string_literal: true
module Gitlab
module GithubImport
# The SequentialImporter imports a GitHub project in a single thread,
# without using Sidekiq. This makes it useful for testing purposes as well
# as Rake tasks, but it should be avoided for anything else in favour of the
# parallel importer.
class SequentialImporter
attr_reader :project, :client
SEQUENTIAL_IMPORTERS = [
Importer::LabelsImporter,
Importer::MilestonesImporter,
Importer::ReleasesImporter
].freeze
PARALLEL_IMPORTERS = [
Importer::ProtectedBranchesImporter,
Importer::PullRequestsImporter,
Importer::IssuesImporter,
Importer::DiffNotesImporter,
Importer::NotesImporter,
Importer::LfsObjectsImporter
].freeze
# project - The project to import the data into.
# token - The token to use for the GitHub API.
# host - The GitHub hostname. If nil, github.com will be used.
def initialize(project, token: nil, host: nil)
@project = project
@client = GithubImport
.new_client_for(project, token: token, host: host, parallel: false)
end
def execute
metrics.track_start_import
begin
Importer::RepositoryImporter.new(project, client).execute
SEQUENTIAL_IMPORTERS.each do |klass|
klass.new(project, client).execute
end
rescue StandardError => e
Gitlab::Import::ImportFailureService.track(
project_id: project.id,
error_source: self.class.name,
exception: e,
fail_import: true,
metrics: true
)
raise(e)
end
PARALLEL_IMPORTERS.each do |klass|
klass.new(project, client, parallel: false).execute
end
metrics.track_finished_import
true
end
private
def metrics
@metrics ||= Gitlab::Import::Metrics.new(:github_importer, project)
end
end
end
end
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