debian-mirror-gitlab/app/services/projects/destroy_service.rb
2020-03-09 13:42:32 +05:30

149 lines
4.8 KiB
Ruby

# frozen_string_literal: true
module Projects
class DestroyService < BaseService
include Gitlab::ShellAdapter
DestroyError = Class.new(StandardError)
def async_execute
project.update_attribute(:pending_delete, true)
# Ensure no repository +deleted paths are kept,
# regardless of any issue with the ProjectDestroyWorker
# job process.
schedule_stale_repos_removal
job_id = ProjectDestroyWorker.perform_async(project.id, current_user.id, params)
log_info("User #{current_user.id} scheduled destruction of project #{project.full_path} with job ID #{job_id}")
end
def execute
return false unless can?(current_user, :remove_project, project)
# Flush the cache for both repositories. This has to be done _before_
# removing the physical repositories as some expiration code depends on
# Git data (e.g. a list of branch names).
flush_caches(project)
Projects::UnlinkForkService.new(project, current_user).execute
attempt_destroy_transaction(project)
system_hook_service.execute_hooks_for(project, :destroy)
log_info("Project \"#{project.full_path}\" was removed")
current_user.invalidate_personal_projects_count
true
rescue => error
attempt_rollback(project, error.message)
false
rescue Exception => error # rubocop:disable Lint/RescueException
# Project.transaction can raise Exception
attempt_rollback(project, error.message)
raise
end
private
def trash_repositories!
unless remove_repository(project.repository)
raise_error(s_('DeleteProject|Failed to remove project repository. Please try again or contact administrator.'))
end
unless remove_repository(project.wiki.repository)
raise_error(s_('DeleteProject|Failed to remove wiki repository. Please try again or contact administrator.'))
end
end
def remove_repository(repository)
return true unless repository
result = Repositories::DestroyService.new(repository).execute
result[:status] == :success
end
def schedule_stale_repos_removal
repos = [project.repository, project.wiki.repository]
repos.each do |repository|
next unless repository
Repositories::ShellDestroyService.new(repository).execute(Repositories::ShellDestroyService::STALE_REMOVAL_DELAY)
end
end
def attempt_rollback(project, message)
return unless project
# It's possible that the project was destroyed, but some after_commit
# hook failed and caused us to end up here. A destroyed model will be a frozen hash,
# which cannot be altered.
project.update(delete_error: message, pending_delete: false) unless project.destroyed?
log_error("Deletion failed on #{project.full_path} with the following message: #{message}")
end
def attempt_destroy_transaction(project)
unless remove_registry_tags
raise_error(s_('DeleteProject|Failed to remove some tags in project container registry. Please try again or contact administrator.'))
end
project.leave_pool_repository
Project.transaction do
log_destroy_event
trash_repositories!
# Rails attempts to load all related records into memory before
# destroying: https://github.com/rails/rails/issues/22510
# This ensures we delete records in batches.
#
# Exclude container repositories because its before_destroy would be
# called multiple times, and it doesn't destroy any database records.
project.destroy_dependent_associations_in_batches(exclude: [:container_repositories])
project.destroy!
end
end
def log_destroy_event
log_info("Attempting to destroy #{project.full_path} (#{project.id})")
end
def remove_registry_tags
return true unless Gitlab.config.registry.enabled
return false unless remove_legacy_registry_tags
project.container_repositories.find_each do |container_repository|
service = Projects::ContainerRepository::DestroyService.new(project, current_user)
service.execute(container_repository)
end
true
end
##
# This method makes sure that we correctly remove registry tags
# for legacy image repository (when repository path equals project path).
#
def remove_legacy_registry_tags
return true unless Gitlab.config.registry.enabled
::ContainerRepository.build_root_repository(project).tap do |repository|
break repository.has_tags? ? repository.delete_tags! : true
end
end
def raise_error(message)
raise DestroyError.new(message)
end
def flush_caches(project)
Projects::ForksCountService.new(project).delete_cache
end
end
end
Projects::DestroyService.prepend_if_ee('EE::Projects::DestroyService')