This update adds the ct_lb action in the ovn-trace utility. As a result, it is now possible to test and debug load balancing rules in OVN with the ovn-trace command.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2019:0029
this issue is verified on latest version: [root@hp-dl388g8-19 ovn]# ovn-nbctl get logical_switch s2 load_balancer [3e6b58db-3b75-4158-899f-8edc157010e3] [root@hp-dl388g8-19 ovn]# [root@hp-dl388g8-19 ovn]# ovn-nbctl list load_balancer 3e6b58db-3b75-4158-899f-8edc157010e3 _uuid : 3e6b58db-3b75-4158-899f-8edc157010e3 external_ids : {} name : "" protocol : [] vips : {"300::1"="2001:db8:103::11,2001:db8:103::12", "[300::1]:8000"="[2001:db8:103::11]:80,[2001:db8:103::12]:80"} [root@hp-dl388g8-19 ovn]# [root@hp-dl388g8-19 ovn]# ovn-trace --ct=new --detail s2 'inport == "hv1_vm00_vnet1" && ip6.dst == 300::1 && ip6.src == 2001:db8:102::11 && tcp.dst == 8000' # tcp6,reg14=0x2,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,ipv6_src=2001:db8:102::11,ipv6_dst=300::1,ipv6_label=0x00000,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=0,tp_dst=8000,tcp_flags=0 ingress(dp="s2", inport="hv1_vm00_vnet1") ----------------------------------------- 0. ls_in_port_sec_l2 (ovn-northd.c:3824): inport == "hv1_vm00_vnet1", priority 50, uuid 009cf26b next; 4. ls_in_pre_lb (ovn-northd.c:3221): ip && ip6.dst == 300::1, priority 100, uuid 0dd3448c reg0[0] = 1; next; 5. ls_in_pre_stateful (ovn-northd.c:3244): reg0[0] == 1, priority 100, uuid 67f17811 ct_next; ct_next(ct_state=new|trk) ------------------------- 10. ls_in_stateful (ovn-northd.c:3736): ct.new && ip6.dst == 300::1 && tcp.dst == 8000, priority 120, uuid bd3f3b92 ct_lb([2001:db8:103::11]:80, [2001:db8:103::12]:80); ct_lb ----- 16. ls_in_l2_lkup: no match (implicit drop) [root@hp-dl388g8-19 ovn]#