Re: [PATCH] ipvs: Fix inappropriate output of procfs

From: Pablo Neira Ayuso
Date: Mon Nov 06 2017 - 09:27:09 EST


On Sun, Oct 15, 2017 at 05:11:28PM +0300, Julian Anastasov wrote:
> On Sun, 15 Oct 2017, KUWAZAWA Takuya wrote:
>
> > Information about ipvs in different network namespace can be seen via procfs.
> >
> > How to reproduce:
> >
> > # ip netns add ns01
> > # ip netns add ns02
> > # ip netns exec ns01 ip a add dev lo 127.0.0.1/8
> > # ip netns exec ns02 ip a add dev lo 127.0.0.1/8
> > # ip netns exec ns01 ipvsadm -A -t 10.1.1.1:80
> > # ip netns exec ns02 ipvsadm -A -t 10.1.1.2:80
> >
> > The ipvsadm displays information about its own network namespace only.
> >
> > # ip netns exec ns01 ipvsadm -Ln
> > IP Virtual Server version 1.2.1 (size=4096)
> > Prot LocalAddress:Port Scheduler Flags
> > -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> > TCP 10.1.1.1:80 wlc
> >
> > # ip netns exec ns02 ipvsadm -Ln
> > IP Virtual Server version 1.2.1 (size=4096)
> > Prot LocalAddress:Port Scheduler Flags
> > -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> > TCP 10.1.1.2:80 wlc
> >
> > But I can see information about other network namespace via procfs.
> >
> > # ip netns exec ns01 cat /proc/net/ip_vs
> > IP Virtual Server version 1.2.1 (size=4096)
> > Prot LocalAddress:Port Scheduler Flags
> > -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> > TCP 0A010101:0050 wlc
> > TCP 0A010102:0050 wlc
> >
> > # ip netns exec ns02 cat /proc/net/ip_vs
> > IP Virtual Server version 1.2.1 (size=4096)
> > Prot LocalAddress:Port Scheduler Flags
> > -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> > TCP 0A010102:0050 wlc
> >
> > Signed-off-by: KUWAZAWA Takuya <albatross0@xxxxxxxxx>
>
> Looks good to me
>
> Acked-by: Julian Anastasov <ja@xxxxxx>

Applied, thanks.