Re: [Fab-user] Prepend output with hostname when using Groups (fabric.group.Group)

[Abhijeet Rastogi]

Hi Jeff,

Thanks for the details. So, it is something that's yet to be worked upon (I see it as Pending). That means, for now, we don't have a way of doing so?

On Tue, May 15, 2018 at 5:32 PM Jeff Forcier <address@hidden> wrote:

Hi Abhijeet,

Please check out the upgrading page for all details like this! It is very thorough (both a blessing and a curse). Specifically, search it for 'output_prefix' which was the name of the old setting controlling that behavior.

    http://docs.fabfile.org/en/latest/upgrading.html

Spoiler: this is one of the larger missing pieces that we'll be working to figure out in the near term. It may end up being line-by-line prefixes again, possibly via a logging module; or we might come up with something else. Suggestions welcome!

Thanks,

Jeff

On Tue, May 15, 2018 at 1:14 AM, Abhijeet Rastogi <address@hidden> wrote:

Hi everyone, 

I have a use-case where I can't use the Fabric command directly. I run my tasks as:- 

from fabric import ThreadingGroup as Group
from fabric.exceptions import GroupException

hosts = ['web1', 'web2', 'web3']
g = Group(*hosts)

results = g.run('date')

Now, as I don't use "hide=both" with the "g.run" function call, the stdout of the command is printed in the terminal directly. 

How do I prepend the output with the "fabric.connection.Connection" it's associated with, in a streaming way. I know, I can collect the output with the "results" that is returned but I want to do that in a streaming way and not after all commands are finished executing. (just like it happened with the older fabric.api.execute 1.0 version API)

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Cheers,
Abhijeet Rastogi (shadyabhi)

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Jeff Forcier
Unix sysadmin; Python engineer
http://bitprophet.org

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Cheers,
Abhijeet Rastogi (shadyabhi)