def do_mount(self):
        status = False
        try:
            status = self.get_dev() and self.map_dev() and self.mnt_dev()
        finally:
            if not status:
                LOG.debug("Fail to mount, tearing back down")
                self.do_teardown()
        return status
Call the get, map and mnt operations.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/disk/mount/api.py/Mount.do_mount