Subject: Re: [PATCH iproute2 0/3] ip netns: Run over all netns

From: Vadim Kochan <[email-masked]>
Date: Fri, 9 Jan 2015 21:17:34 +0200

On Fri, Jan 09, 2015 at 10:49:50AM -0800, Cong Wang wrote:
> On Wed, Jan 7, 2015 at 4:52 PM, Vadim Kochan <[email-masked]> wrote:
> > On Wed, Jan 07, 2015 at 04:04:14PM -0800, Cong Wang wrote:
> >> On Wed, Jan 7, 2015 at 3:04 AM, Vadim Kochan <[email-masked]> wrote:
> >> > From: Vadim Kochan <[email-masked]>
> >> >
> >> > Allow 'ip netns del' and 'ip netns exec' run over each network namespace names.
> >> >
> >> > 'ip netns exec' executes command forcely on eacn nsname.
> >> >
> >>
> >> Why this has to be done in iproute command?
> >> That is, why not just offloading this to a shell script like below?
> >>
> >> for ns in `ip netns show`;
> >> do
> >>      ip netns exec $ns ip link show.....
> >> done
> >
> > Hm, but would not it better to have it in iproute instead of collect
> > scripts ? Scripts allows to do a lot of things, but in this case it seems like a
> > feature which related to iproute.
> 
> iproute2 should keep a minimum set of features especially when
> a one-liner shell script can do that.

BTW, this script should have additional output of netns name
before the 'ip netns exec $ns ...' invocation.