netdev - Re: [PATCH iproute2(-next) v2 1/1] ip: fix ip route show json output for multipath nexthops

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Date:   Tue, 1 Oct 2019 17:16:07 +0200
From:   Julien Fortin <julien@...ulusnetworks.com>
To:     David Ahern <dsahern@...il.com>
Cc:     netdev@...r.kernel.org, Roopa Prabhu <roopa@...ulusnetworks.com>
Subject: Re: [PATCH iproute2(-next) v2 1/1] ip: fix ip route show json output
 for multipath nexthops

Thanks David!

On Tue, Oct 1, 2019 at 5:14 PM David Ahern <dsahern@...il.com> wrote:
>
> On 9/26/19 9:29 AM, Julien Fortin wrote:
> > From: Julien Fortin <julien@...ulusnetworks.com>
> >
> > print_rta_multipath doesn't support JSON output:
> >
> > {
> >     "dst":"27.0.0.13",
> >     "protocol":"bgp",
> >     "metric":20,
> >     "flags":[],
> >     "gateway":"169.254.0.1"dev uplink-1 weight 1 ,
> >     "flags":["onlink"],
> >     "gateway":"169.254.0.1"dev uplink-2 weight 1 ,
> >     "flags":["onlink"]
> > },
> >
> > since RTA_MULTIPATH has nested objects we should print them
> > in a json array.
> >
> > With the path we have the following output:
> >
> > {
> >     "flags": [],
> >     "dst": "36.0.0.13",
> >     "protocol": "bgp",
> >     "metric": 20,
> >     "nexthops": [
> >         {
> >             "weight": 1,
> >             "flags": [
> >                 "onlink"
> >             ],
> >             "gateway": "169.254.0.1",
> >             "dev": "uplink-1"
> >         },
> >         {
> >             "weight": 1,
> >             "flags": [
> >                 "onlink"
> >             ],
> >             "gateway": "169.254.0.1",
> >             "dev": "uplink-2"
> >         }
> >     ]
> > }
> >
> > Fixes: 663c3cb23103f4 ("iproute: implement JSON and color output")
> >
> > Signed-off-by: Julien Fortin <julien@...ulusnetworks.com>
> > ---
> >  ip/iproute.c | 46 ++++++++++++++++++++++++++++------------------
> >  1 file changed, 28 insertions(+), 18 deletions(-)
> >
>
> applied to iproute2-next. Thanks
>
> Stephen: I see only 1 place (mdb) that prints devices with color, so
> that can be done across all of the commands by a follow up.
>