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Diffstat (limited to 'app/workers/gitlab/phabricator_import/base_worker.rb')
-rw-r--r--app/workers/gitlab/phabricator_import/base_worker.rb81
1 files changed, 0 insertions, 81 deletions
diff --git a/app/workers/gitlab/phabricator_import/base_worker.rb b/app/workers/gitlab/phabricator_import/base_worker.rb
deleted file mode 100644
index 2dc4855f854..00000000000
--- a/app/workers/gitlab/phabricator_import/base_worker.rb
+++ /dev/null
@@ -1,81 +0,0 @@
-# frozen_string_literal: true
-
-# All workers within a Phabricator import should inherit from this worker and
-# implement the `#import` method. The jobs should then be scheduled using the
-# `.schedule` class method instead of `.perform_async`
-#
-# Doing this makes sure that only one job of that type is running at the same time
-# for a certain project. This will avoid deadlocks. When a job is already running
-# we'll wait for it for 10 times 5 seconds to restart. If the running job hasn't
-# finished, by then, we'll retry in 30 seconds.
-#
-# It also makes sure that we keep the import state of the project up to date:
-# - It keeps track of the jobs so we know how many jobs are running for the
-# project
-# - It refreshes the import jid, so it doesn't get cleaned up by the
-# `Gitlab::Import::StuckProjectImportJobsWorker`
-# - It marks the import as failed if a job failed to many times
-# - It marks the import as finished when all remaining jobs are done
-module Gitlab
- module PhabricatorImport
- class BaseWorker # rubocop:disable Scalability/IdempotentWorker
- include WorkerAttributes
- include Gitlab::ExclusiveLeaseHelpers
-
- feature_category :importers
-
- class << self
- def schedule(project_id, *args)
- perform_async(project_id, *args)
- add_job(project_id)
- end
-
- def add_job(project_id)
- worker_state(project_id).add_job
- end
-
- def remove_job(project_id)
- worker_state(project_id).remove_job
- end
-
- def worker_state(project_id)
- Gitlab::PhabricatorImport::WorkerState.new(project_id)
- end
- end
-
- def perform(project_id, *args)
- in_lock("#{self.class.name.underscore}/#{project_id}/#{args}", ttl: 2.hours, sleep_sec: 5.seconds) do
- project = Project.find_by_id(project_id)
- next unless project
-
- # Bail if the import job already failed
- next unless project.import_state&.in_progress?
-
- project.import_state.refresh_jid_expiration
-
- import(project, *args)
-
- # If this is the last running job, finish the import
- project.after_import if self.class.worker_state(project_id).running_count < 2
-
- self.class.remove_job(project_id)
- end
- rescue Gitlab::ExclusiveLeaseHelpers::FailedToObtainLockError
- # Reschedule a job if there was already a running one
- # Running them at the same time could cause a deadlock updating the same
- # resource
- self.class.perform_in(30.seconds, project_id, *args)
- end
-
- private
-
- def import(project, *args)
- importer_class.new(project, *args).execute
- end
-
- def importer_class
- raise NotImplementedError, "Implement `#{__method__}` on #{self.class}"
- end
- end
- end
-end