Re: [Xen-devel] xl / xend feature parity: Missing '-a' option for xl 'shutdown' to shutdown all domains

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2012-09-05 at 11:55 +0100, Sander Eikelenboom wrote:
> Wednesday, September 5, 2012, 12:52:00 PM, you wrote:
> 
> > On Wed, 2012-09-05 at 11:43 +0100, Sander Eikelenboom wrote:
> >> The docs say you have to supply a domain_id as argument.
> >> But if you supply a domain_name instead it works as well.
> 
> > xl(1) says "domain-id is the numeric domain id, or the domain name
> > (which will be internally translated to domain id)"
> 
> >> But what if i'm stupid enough to give my domain a number as name (which 
> >> seems to be allowed/possible)
> 
> 
> >> In that case i can't shut it down by name:
> >> 
> >> serveerstertje:~# xl list
> >> Name                                        ID   Mem VCPUs      State   
> >> Time(s)
> >> Domain-0                                     0  1024     6     r-----   
> >> 22318.7
> >> media                                       12   256     1     -b----      
> >> 73.0
> >> webproxy                                    14   768     5     -b----   
> >> 41385.2
> >> www                                         15   507     2     -b----     
> >> 670.8
> >> 13                                          17   256     1     -b----      
> >>  3.2
> >> 
> >> 13                                          17   256     1     -b----      
> >>  3.2
> >> serveerstertje:~# xl shutdown 13
> >> 13 is an invalid domain identifier (rc=-6)
> 
> > I think this is a case of Don't Do That Then. If you want a patch to the
> > manpage clarifying that users should avoid purely numeric domain names
> > that would be nice.
> 
> How acceptable would it be to make that explicit and enforce that policy on 
> domain creation ?

I wouldn't object, but perhaps for 4.3 at this stage?

It can be documented before it is enforced though.


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