Re: [PATCH v8 12/12] tests/vm: Add workaround to consume console

[Robert Foley <robert.foley@linaro.org>]

On Sun, 31 May 2020 at 07:27, Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
>
> On 5/29/20 10:34 PM, Robert Foley wrote:
<snip>
> > @@ -271,7 +276,9 @@ class BaseVM(object):
> >          args += self._data_args + extra_args + self._config['extra_args']
> >          logging.debug("QEMU args: %s", " ".join(args))
> >          qemu_path = get_qemu_path(self.arch, self._build_path)
> > -        guest = QEMUMachine(binary=qemu_path, args=args)
> > +        guest = QEMUMachine(binary=qemu_path, args=args,
> > +                            console_log=self._console_log_path,
> > +                            drain_console=True)
>
> Are you sure you need to set drain_console here? Isn't it implied by
> self._console_log_path?

Good point.  Yes, drain_console is implied by self._console_log_path.
Will fix it.

Thanks & Regards,
-Rob
>
> >          guest.set_machine(self._config['machine'])
> >          guest.set_console()
> >          try:
> > @@ -285,6 +292,8 @@ class BaseVM(object):
> >              raise
> >          atexit.register(self.shutdown)
> >          self._guest = guest
> > +        # Init console so we can start consuming the chars.
> > +        self.console_init()
> >          usernet_info = guest.qmp("human-monitor-command",
> >                                   command_line="info usernet")
> >          self.ssh_port = None
> > @@ -296,7 +305,9 @@ class BaseVM(object):
> >              raise Exception("Cannot find ssh port from 'info usernet':\n%s" % \
> >                              usernet_info)
> >
> > -    def console_init(self, timeout = 120):
> > +    def console_init(self, timeout = None):
> > +        if timeout == None:
> > +            timeout = self.socket_timeout
> >          vm = self._guest
> >          vm.console_socket.settimeout(timeout)
> >          self.console_raw_path = os.path.join(vm._temp_dir,
> > @@ -578,6 +589,8 @@ def parse_args(vmcls):
> >      parser.add_option("--efi-aarch64",
> >                        default="/usr/share/qemu-efi-aarch64/QEMU_EFI.fd",
> >                        help="Path to efi image for aarch64 VMs.")
> > +    parser.add_option("--log-console", action="store_true",
> > +                      help="Log console to file.")
> >      parser.disable_interspersed_args()
> >      return parser.parse_args()
> >
> >
>