gitlab-org--gitlab-foss/app/services/projects/destroy_service.rb
2018-03-16 23:14:43 -07:00

146 lines
4.6 KiB
Ruby

module Projects
class DestroyService < BaseService
include Gitlab::ShellAdapter
DestroyError = Class.new(StandardError)
DELETED_FLAG = '+deleted'.freeze
def async_execute
project.update_attribute(:pending_delete, true)
job_id = ProjectDestroyWorker.perform_async(project.id, current_user.id, params)
Rails.logger.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
# The project is not necessarily a fork, so update the fork network originating
# from this project
if fork_network = project.root_of_fork_network
fork_network.update(root_project: nil,
deleted_root_project_name: project.full_name)
end
attempt_destroy_transaction(project)
system_hook_service.execute_hooks_for(project, :destroy)
log_info("Project \"#{project.full_path}\" was removed")
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 repo_path
project.disk_path
end
def wiki_path
project.wiki.disk_path
end
def trash_repositories!
unless remove_repository(repo_path)
raise_error('Failed to remove project repository. Please try again or contact administrator.')
end
unless remove_repository(wiki_path)
raise_error('Failed to remove wiki repository. Please try again or contact administrator.')
end
end
def remove_repository(path)
# Skip repository removal. We use this flag when remove user or group
return true if params[:skip_repo] == true
# There is a possibility project does not have repository or wiki
return true unless gitlab_shell.exists?(project.repository_storage_path, path + '.git')
new_path = removal_path(path)
if gitlab_shell.mv_repository(project.repository_storage_path, path, new_path)
log_info("Repository \"#{path}\" moved to \"#{new_path}\"")
project.run_after_commit do
# self is now project
GitlabShellWorker.perform_in(5.minutes, :remove_repository, self.repository_storage_path, new_path)
end
else
false
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_attributes(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)
Project.transaction do
unless remove_legacy_registry_tags
raise_error('Failed to remove some tags in project container registry. Please try again or contact administrator.')
end
trash_repositories!
project.team.truncate
project.destroy!
end
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|
return repository.has_tags? ? repository.delete_tags! : true
end
end
def raise_error(message)
raise DestroyError.new(message)
end
# Build a path for removing repositories
# We use `+` because its not allowed by GitLab so user can not create
# project with name cookies+119+deleted and capture someone stalled repository
#
# gitlab/cookies.git -> gitlab/cookies+119+deleted.git
#
def removal_path(path)
"#{path}+#{project.id}#{DELETED_FLAG}"
end
def flush_caches(project)
project.repository.before_delete
Repository.new(wiki_path, project, disk_path: repo_path).before_delete
Projects::ForksCountService.new(project).delete_cache
end
end
end