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Re: [Fab-user] Re: simple question


From: Christian Vest Hansen
Subject: Re: [Fab-user] Re: simple question
Date: Mon, 29 Sep 2008 15:46:47 +0200

On Mon, Sep 29, 2008 at 3:26 PM, Jeff Forcier <address@hidden> wrote:
> I've been on my fork for so long that I can't say definitively, but my
> fork does have this feature, and I _think_ I added it myself and it
> wasn't present in the main development line. Christian can verify this
> one way or the other.

IIRC it is not possible in official Fabric.

>
> -Jeff
>
> On Mon, Sep 29, 2008 at 8:45 AM, Byron Saltysiak <address@hidden> wrote:
>> Slightly tangential but related - Jeff's answer got me thinking. Does the
>> current version support grabbing the results of previous commands and using
>> them later?
>>
>> On Mon, Sep 29, 2008 at 8:37 AM, Christian Vest Hansen
>> <address@hidden> wrote:
>>>
>>> Hi, Byron.
>>>
>>> The current official versions of Fabric is oppinionated in this regard
>>> and assumes that you don't need that kind of funktionality.
>>>
>>> The shell script or Jeff's fork are the only workarounds I know of.
>>>
>>> On Mon, Sep 29, 2008 at 2:18 PM, Jeff Forcier <address@hidden> wrote:
>>> > Hi Byron,
>>> >
>>> > The current version of Fabric can't run things one host at a time, but
>>> > I have a fork that is capable of doing this; it adds an option letting
>>> > you toggle between the current "broad" behavior of each command run on
>>> > every host, and a "deep" behavior (which is what you're asking for)
>>> > where each task is run all the way through on each host in turn.
>>> >
>>> > This allows for more complex logic such as "if run('ls /some/file'):
>>> > foo ; else: bar". The fork is on GitHub:
>>> > http://github.com/bitprophet/fabric/tree/execution
>>> >
>>> > I'm optimistic that these changes will make it into mainline Fabric in
>>> > the nearish future, but for now you'll need Git to checkout my version
>>> > of the code.
>>> >
>>> > Regards,
>>> > Jeff
>>> >
>>> > On Mon, Sep 29, 2008 at 12:44 AM, Byron Saltysiak <address@hidden>
>>> > wrote:
>>> >> Well I see that this example is silly since the hostname is included
>>> >> next to
>>> >> the output from all commands. But I guess my general question still
>>> >> stands.
>>> >>
>>> >> On Mon, Sep 29, 2008 at 12:41 AM, Byron Saltysiak
>>> >> <address@hidden>
>>> >> wrote:
>>> >>>
>>> >>> I didn't see anything in the brief user-guide on the site or the
>>> >>> archives
>>> >>> but it seems so simple.
>>> >>>
>>> >>> If I'm in a multiple host environment, is there an easy way to make
>>> >>> all
>>> >>> the commands execute on one host before starting another? I can think
>>> >>> of a
>>> >>> small change to the example on the wiki so that I could see which
>>> >>> server was
>>> >>> having problems, or just which server I was currently on if I had a
>>> >>> whole
>>> >>> bunch of servers:
>>> >>>
>>> >>> def deploy():
>>> >>>     'Deploy the app to the target environment'
>>> >>>     local("make dist")
>>> >>>
>>> >>>
>>> >>>     put("bin/bundle.zip", "bundle.zip")
>>> >>>     run("hostname")
>>> >>>
>>> >>>     sudo("./install.sh bundle.zip")
>>> >>>
>>> >>> But as it seems to happen, the put is run on all hosts, then the run,
>>> >>> and
>>> >>> then the sudo.
>>> >>>
>>> >>> Is the way to get around this to just put a shell script out and run
>>> >>> that?
>>> >>> Or perhaps this really isn't that necessary of a task in other
>>> >>> people's
>>> >>> experience?
>>> >>>
>>> >>> --
>>> >>> Byron
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> Byron
>>> >>
>>> >> _______________________________________________
>>> >> Fab-user mailing list
>>> >> address@hidden
>>> >> http://lists.nongnu.org/mailman/listinfo/fab-user
>>> >>
>>> >>
>>> >
>>> >
>>> > _______________________________________________
>>> > Fab-user mailing list
>>> > address@hidden
>>> > http://lists.nongnu.org/mailman/listinfo/fab-user
>>> >
>>>
>>>
>>>
>>> --
>>> Venlig hilsen / Kind regards,
>>> Christian Vest Hansen.
>>
>>
>>
>> --
>> Byron
>>
>



-- 
Venlig hilsen / Kind regards,
Christian Vest Hansen.




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