def register(parser):
    """Register commands with the given parser."""
    cmd_machines.register(parser)
    cmd_machine.register(parser)
    cmd_allocate.register(parser)
    cmd_deploy.register(parser)
    cmd_commission.register(parser)
    cmd_release.register(parser)
    cmd_abort.register(parser)
    cmd_mark_fixed.register(parser)
    cmd_mark_broken.register(parser)
    cmd_power_off.register(parser)
    cmd_power_on.register(parser)
    cmd_ssh.register(parser)
Register commands with the given parser.