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Bug 2144940

Summary: ovn-controller seems to have installed two ct-zones with same ID
Product: Red Hat Enterprise Linux Fast Datapath Reporter: OVN Bot <ovn-bot>
Component: ovn22.06Assignee: Mark Michelson <mmichels>
Status: CLOSED ERRATA QA Contact: Jianlin Shi <jishi>
Severity: high Docs Contact:
Priority: high    
Version: FDP 22.LCC: amusil, ctrautma, gparente, jiji, mmichels, palonsor
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2022-12-15 17:46:18 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OVN Bot 2022-11-22 19:29:33 UTC
This is an automatically-generated clone of issue https://bugzilla.redhat.com/show_bug.cgi?id=2126406

Comment 3 Jianlin Shi 2022-12-02 03:42:49 UTC
tested with following script:

systemctl start openvswitch
systemctl start ovn-northd 
ovn-nbctl set-connection ptcp:6641                                       
ovn-sbctl set-connection ptcp:6642
ovs-vsctl set open . external_ids:system-id=hv1 external_ids:ovn-remote=tcp:20.0.6.25:6642 external_ids:ovn-encap-type=geneve external_ids:ovn-encap-ip=20.0.6.25
systemctl restart ovn-controller

ovs-vsctl add-port br-int ls0-hv -- set Interface ls0-hv type=internal external-ids:iface-id=ls0-hv
ovs-vsctl add-port br-int ls0-hv1 -- set Interface ls0-hv1 type=internal external-ids:iface-id=ls0-hv1
ovs-vsctl add-port br-int ls0-hv2 -- set Interface ls0-hv2 type=internal external-ids:iface-id=ls0-hv2
ovs-vsctl set open . external_ids:ovn-monitor-all=true

ovn-nbctl lr-add lr0

ovn-nbctl ls-add ls0
ovn-nbctl lsp-add ls0 ls0-lr0 
ovn-nbctl lsp-set-type ls0-lr0 router
ovn-nbctl lsp-set-addresses ls0-lr0 router                                                      
ovn-nbctl lrp-add lr0 lr0-ls0 00:00:00:00:00:01 10.0.0.1

ovn-nbctl lsp-add ls0 ls0-hv
ovn-nbctl lsp-set-addresses ls0-hv "00:00:00:00:00:02 10.0.0.2"
ovn-nbctl lsp-add ls0 ls0-hv1
ovn-nbctl lsp-set-addresses ls0-hv1 "00:00:00:00:00:03 10.0.0.3"
ovn-nbctl lsp-add ls0 ls0-hv2
ovn-nbctl lsp-set-addresses ls0-hv2 "00:00:00:00:00:04 10.0.0.4"

ovn-nbctl ls-add ext
ovn-nbctl lsp-add ext ext-lr0
ovn-nbctl lsp-set-type ext-lr0 router
ovn-nbctl lsp-set-addresses ext-lr0 router                                                      
ovn-nbctl lrp-add lr0 lr0-ext  00:00:00:00:01:01 20.0.0.1

ovn-nbctl lrp-set-gateway-chassis lr0-ext hv1

ovn-nbctl lr-nat-add lr0 snat 172.16.0.2 10.0.0.0/24
ovn-nbctl lr-nat-add lr0 dnat 172.16.0.2 10.0.0.2                                               

ovn-nbctl --wait=hv set logical_router lr0 options:snat-ct-zone=0
ovn-appctl -t ovn-controller exit --restart

ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv="0"
ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv1="0"
ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv2="0"

systemctl start ovn-controller
ovn-nbctl --wait=hv sync
sleep 2

ovn-appctl ct-zone-list

reproduced on ovn22.06-22.06.0-75.el9:

+ ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv=0                                           
+ ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv1=0                                          
+ ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv2=0                                          
+ systemctl start ovn-controller                                                                      
+ ovn-nbctl --wait=hv sync                                                                            
+ sleep 2                                                                                             
+ ovn-appctl ct-zone-list                                                                             
9a0ea315-c424-44d1-9390-e04efe8bbfc0_dnat 2                                                           
31710c60-86c6-4536-9833-944df02609c5_snat 0                                                           
9a0ea315-c424-44d1-9390-e04efe8bbfc0_snat 1                                                           
ls0-hv1 0                                                                                             
ls0-hv2 0                                                                                             
ls0-hv 0                                                                                              
31710c60-86c6-4536-9833-944df02609c5_dnat 6 

<=== multiple zones have zone=0

Verified on ovn22.06-22.06.0-82.el9:

[root@dell-per730-20 bz2126406]# rpm -qa | grep -E "ovn22.06|openvswitch2.17"                         
openvswitch2.17-2.17.0-57.el9fdp.x86_64                                                               
ovn22.06-22.06.0-82.el9fdp.x86_64                                                                     
ovn22.06-central-22.06.0-82.el9fdp.x86_64                                                             
ovn22.06-host-22.06.0-82.el9fdp.x86_64 

+ ovn-nbctl --wait=hv set logical_router lr0 options:snat-ct-zone=0                                   
+ ovn-appctl -t ovn-controller exit --restart
+ ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv=0                                           
+ ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv1=0                                          
+ ovs-vsctl set bridge br-int external_ids:ct-zone-ls0-hv2=0                                          
+ systemctl start ovn-controller
+ ovn-nbctl --wait=hv sync
+ sleep 2
+ ovn-appctl ct-zone-list                                                                             
ls0-hv2 3
ls0-hv1 2
fafe0049-47a2-4343-bed3-4d0e7aefd3f6_dnat 1                                                           
ls0-hv 5
fafe0049-47a2-4343-bed3-4d0e7aefd3f6_snat 4                                                           
0b9de069-2262-44e0-ba37-7d395d21d247_dnat 6                                                           
0b9de069-2262-44e0-ba37-7d395d21d247_snat 0 

<== only one zone have zone=0

Comment 5 errata-xmlrpc 2022-12-15 17:46:18 UTC
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 (ovn22.06 bug fix and enhancement update), 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-2022:9062