On Mon, Dec 9, 2019 at 11:18 AM Numan Siddique <[email protected]> wrote:

> On Mon, Dec 9, 2019 at 8:17 AM Russell Bryant <[email protected]> wrote:
> >
> > On Mon, Dec 9, 2019 at 3:01 AM Dumitru Ceara <[email protected]> wrote:
> >
> > > On Sun, Dec 8, 2019 at 5:12 AM Russell Bryant <[email protected]> wrote:
> > > >
> > > > This patch adds INFO level log messages for all dynamic address
> > > > assignments (MAC, IPv4, IPv6).  While debugging some issues in
> > > > ovn-kubernetes, I found it would be helpful to see ovn-northd's view
> > > > of what addresses were assigned where and when from its perspective.
> > > >
> > >
> > > Hi Russsell,
> > >
> > > While I agree that having this information is really useful for
> > > debugging, the INFO logs are enabled by default.
> > > Should we consider rate limiting the logs you added?
> > >
> > > For example, looking at the WARN logs in northd, all of them are rate
> > > limited.
> > >
> >
> > We could ... it'd be a little bit extra tracking that would hopefully
> never
> > be needed.  It'd be a bug if the same message was emitted more than once
> at
> > all.
> >
>
> Since this code would not hit all the time when ovn_db_run is called, I
> think
> VLOG_INFO should not cause any log flooding.
>
>
> Acked-by: Numan Siddique <[email protected]>.
>

Thanks, I've pushed this to master.


>
> Thanks
> Numan
>
> > >
> > > Thanks,
> > > Dumitru
> > >
> > > > Signed-off-by: Russell Bryant <[email protected]>
> > > > ---
> > > >  northd/ovn-northd.c | 9 +++++++++
> > > >  1 file changed, 9 insertions(+)
> > > >
> > > > diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c
> > > > index f0847d81e..33d3ff2ad 100644
> > > > --- a/northd/ovn-northd.c
> > > > +++ b/northd/ovn-northd.c
> > > > @@ -1714,6 +1714,8 @@ update_dynamic_addresses(struct
> > > dynamic_address_update *update)
> > > >          break;
> > > >      case DYNAMIC:
> > > >          ip4 = htonl(ipam_get_unused_ip(update->od));
> > > > +        VLOG_INFO("Assigned dynamic IPv4 address '"IP_FMT"' to port
> > > '%s'",
> > > > +                  IP_ARGS(ip4), update->op->nbsp->name);
> > > >      }
> > > >
> > > >      struct eth_addr mac;
> > > > @@ -1728,6 +1730,8 @@ update_dynamic_addresses(struct
> > > dynamic_address_update *update)
> > > >          break;
> > > >      case DYNAMIC:
> > > >          eth_addr_from_uint64(ipam_get_unused_mac(ip4), &mac);
> > > > +        VLOG_INFO("Assigned dynamic MAC address '"ETH_ADDR_FMT"' to
> > > port '%s'",
> > > > +                  ETH_ADDR_ARGS(mac), update->op->nbsp->name);
> > > >          break;
> > > >      }
> > > >
> > > > @@ -1745,6 +1749,11 @@ update_dynamic_addresses(struct
> > > dynamic_address_update *update)
> > > >          break;
> > > >      case DYNAMIC:
> > > >          in6_generate_eui64(mac, &update->od->ipam_info.ipv6_prefix,
> > > &ip6);
> > > > +        struct ds ip6_ds = DS_EMPTY_INITIALIZER;
> > > > +        ipv6_format_addr(&ip6, &ip6_ds);
> > > > +        VLOG_INFO("Assigned dynamic IPv6 address '%s' to port '%s'",
> > > > +                  ip6_ds.string, update->op->nbsp->name);
> > > > +        ds_destroy(&ip6_ds);
> > > >          break;
> > > >      }
> > > >
> > > > --
> > > > 2.23.0
> > > >
> > > > _______________________________________________
> > > > dev mailing list
> > > > [email protected]
> > > > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> > > >
> > >
> > >
> >
> > --
> > Russell Bryant
> > _______________________________________________
> > dev mailing list
> > [email protected]
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> >
>
>

-- 
Russell Bryant
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