[Kimchi-devel] [PATCH] [Kimchi] Issue #1053: View console, shutdown socket server for VM who's console is not readable instead writeable.

[Aline Manera]

Hi Archana,

With this patch, the test_model hangs and I need to kill the process.

On 10/13/2016 06:06 AM, archus at linux.vnet.ibm.com wrote:
> From: Archana Singh <archus at linux.vnet.ibm.com>
>
> Socket server gets closed for VM's serial console connection if its not readable instead writeable.
> This is due to fact that _is_vm_listening_serial(...) only call _test_output if its readable
> and not on writeable. Adding libvirt.VIR_STREAM_EVENT_WRITABLE solve the issue.
> Also added libvirt.VIR_STREAM_EVENT_HANGUP event so that in case of hangup also
> console gets connected.
>
> Signed-off-by: Archana Singh <archus at linux.vnet.ibm.com>
> ---
>   serialconsole.py | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/serialconsole.py b/serialconsole.py
> index 13ef331..725f55d 100644
> --- a/serialconsole.py
> +++ b/serialconsole.py
> @@ -101,7 +101,9 @@ class SocketServer(Process):
>               while not is_listening:
>                   libvirt.virEventRunDefaultImpl()
>
> -        console.eventAddCallback(libvirt.VIR_STREAM_EVENT_READABLE,
> +        console.eventAddCallback(libvirt.VIR_STREAM_EVENT_READABLE |
> +                                 libvirt.VIR_STREAM_EVENT_WRITABLE |
> +                                 libvirt.VIR_STREAM_EVENT_HANGUP,
>                                    _test_output,
>                                    None)
>           libvirt_loop = threading.Thread(target=_event_loop)
> @@ -111,6 +113,7 @@ class SocketServer(Process):
>           libvirt_loop.join(1)
>
>           if not libvirt_loop.is_alive():
> +            wok_log.error("console libvirt stream is not listening to event")
>               console.eventRemoveCallback()
>               return True
>