Re: [Fab-user] how to skip unreachable hosts

[John Eikenberry]

John Eikenberry wrote:

> Nicolas Michel wrote:
> 
> > Hello,
> > 
> > I have some roles where sometimes hosts are unreachable. For now the fab
> > tool exit the loop and don't execute the code on further hosts of my role
> > list.
> > Is there a way to avoid that behavior, set a kind of timeout and skip the
> > host if fab can't connect to it?
> 
> If you can work it into your code, it is easy to do manually.
> 
> def online(host):
>     """ Is host reachable on the network?
>     """
>     if _quiet(fab.local)("ping -c 1 -W 1 %s" % host).failed:
>         return False
>     return True

Opps. Forgot to clean out that _quiet(). It just wraps the command in some
contexts to shut up various output.


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-- 

John Eikenberry
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