How to use the workflows.cloudify_system_workflows.snapshots.utils function in workflows

def _restore_files_to_manager(self):
        ctx.logger.info('Restoring files from the archive to the manager')
        utils.copy_files_between_manager_and_snapshot(
            self._tempdir,
            self._config,
            to_archive=False,
            tenant_name=(
                ctx.tenant_name if self._snapshot_version < V_4_0_0 else None
            ),
        )
        utils.restore_stage_files(self._tempdir)
        utils.restore_composer_files(self._tempdir)
        ctx.logger.info('Successfully restored archive files')

def _restore_files_to_manager(self):
        ctx.logger.info('Restoring files from the archive to the manager')
        utils.copy_files_between_manager_and_snapshot(
            self._tempdir,
            self._config,
            to_archive=False,
            tenant_name=(
                ctx.tenant_name if self._snapshot_version < V_4_0_0 else None
            ),
        )
        utils.restore_stage_files(self._tempdir)
        utils.restore_composer_files(self._tempdir)
        ctx.logger.info('Successfully restored archive files')

def __init__(self,
                 snapshot_id,
                 config,
                 include_credentials,
                 include_logs,
                 include_events):
        self._snapshot_id = snapshot_id
        self._config = utils.DictToAttributes(config)
        self._include_credentials = include_credentials
        self._include_logs = include_logs
        self._include_events = include_events

        self._tempdir = None
        self._client = get_rest_client()

def _restore_certificate(self):
        archive_cert_dir = os.path.join(self._tempdir, ARCHIVE_CERT_DIR)
        old_cert_dir = os.path.dirname(get_local_rest_certificate())
        new_cert_dir = old_cert_dir + '_from_snapshot'
        utils.copy_snapshot_path(archive_cert_dir, new_cert_dir)
        time_to_wait_for_workflow_to_finish = 3
        cmd = 'sleep {0}; rm -rf {1}; mv {2} {1}'.format(
            time_to_wait_for_workflow_to_finish, old_cert_dir, new_cert_dir)
        if not self._no_reboot:
            cmd += '; sudo shutdown -r now'
        subprocess.Popen(cmd, shell=True)

def _dump_files(self):
        ctx.logger.info('Dumping files to the archive from the manager')
        utils.copy_files_between_manager_and_snapshot(
            self._tempdir,
            self._config,
            to_archive=True
        )
        utils.copy_stage_files(self._tempdir)
        utils.copy_composer_files(self._tempdir)

def _dump_files(self):
        ctx.logger.info('Dumping files to the archive from the manager')
        utils.copy_files_between_manager_and_snapshot(
            self._tempdir,
            self._config,
            to_archive=True
        )
        utils.copy_stage_files(self._tempdir)
        utils.copy_composer_files(self._tempdir)

def _restore_files_to_manager(self):
        ctx.logger.info('Restoring files from the archive to the manager')
        utils.copy_files_between_manager_and_snapshot(
            self._tempdir,
            self._config,
            to_archive=False,
            tenant_name=(
                ctx.tenant_name if self._snapshot_version < V_4_0_0 else None
            ),
        )
        utils.restore_stage_files(self._tempdir)
        utils.restore_composer_files(self._tempdir)
        ctx.logger.info('Successfully restored archive files')

def _dump_files(self):
        ctx.logger.info('Dumping files to the archive from the manager')
        utils.copy_files_between_manager_and_snapshot(
            self._tempdir,
            self._config,
            to_archive=True
        )
        utils.copy_stage_files(self._tempdir)
        utils.copy_composer_files(self._tempdir)

def _create_archive(self):
        snapshot_archive_name = self._get_snapshot_archive_name()
        ctx.logger.info(
            'Creating snapshot archive: {0}'.format(snapshot_archive_name))
        utils.make_zip64_archive(snapshot_archive_name, self._tempdir)