[winswitch] XPRA with docker

[Antoine Martin]

On 24/07/17 09:39, Titusi Forum wrote:
> Correction:  "xpra server outside docker container"
> 
> On Jul 23, 2017 7:34 PM, "Titusi Forum" <titusiforum at gmail.com
> <mailto:titusiforum at gmail.com>> wrote:
> 
>     Tim and Antonie.
> 
>     I framed the question incorrectly. Sorry about that.
> 
>     What I want to do is to run xpra server outside socket container. I
>     would like applications running inside multiple different containers
>     to be able to send their graphics to xpra server which in turn is
>     connected to HTML5 client across internet.
> 
>     Is this doable? Thanks in advance for any pointers.
Sure. Everything goes through the xpra server's vfb, so this isn't
really an xpra question, more of a general container + X11 question.
You just need to ensure that your X11 applications can connect to the
X11 vfb server socket.

Usually, they'll lookup the DISPLAY variable and open the corresponding
socket in /tmp/.X11-unix/
You could bind-mount that directory, but this would expose all the
display sockets in that directory.
I'm sure there are other options others can suggest (preferably not
using X11 over TCP!).

Incidentally, I had suggested a better solution for private X11 sockets
many years ago, but people didn't seem to understand the use case so
this didn't get enough traction and I gave up on it:
https://xpra.org/trac/ticket/778
(and this still looks like the right solution to this sort of problem)

Cheers
Antoine




> 
>     On Jul 19, 2017 12:06 AM, "Antoine Martin via shifter-users"
>     <shifter-users at lists.devloop.org.uk
>     <mailto:shifter-users at lists.devloop.org.uk>> wrote:
> 
>         On 19/07/17 01:54, Timothy Hobbs via shifter-users wrote:
>         > I don't think any such document exists,
>         Well, it certainly could be improved and updated, but the first
>         hit when
>         googling "xpra docker" is this page on the xpra wiki:
>         https://xpra.org/trac/wiki/Usage/Docker
>         <https://xpra.org/trac/wiki/Usage/Docker>
>         (and it does link to subuser)
>         It's a wiki, so feel free to suggest edits or just do them yourself.
> 
>         Cheers
>         Antoine
> 
>         > however, the subuser project has
>         > working code for connecting to xpra via docker:
>         >
>         https://github.com/subuser-security/subuser/blob/master/logic/subuserlib/classes/subuserSubmodules/run/x11Bridge.py
>         <https://github.com/subuser-security/subuser/blob/master/logic/subuserlib/classes/subuserSubmodules/run/x11Bridge.py>
>         >
>         >
>         >
>         > On 07/18/2017 08:47 PM, Titusi Forum via shifter-users wrote:
>         >> Dear XPRA Team:
>         >>
>         >>
>         >> Is there any documentation that can help me setup XPRA server
>         inside a
>         >> docker container running on Ubuntu and then connect to it
>         using HTML5
>         >> client?
>         >>
>         >>
>         >>
>         >> Regards,
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>         >
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