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Bug 2103740

Summary: Service monitor is broken : Its not set to offline when the ovn-controller releases a port binding
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Numan Siddique <nusiddiq>
Component: ovn-2021Assignee: OVN Team <ovnteam>
Status: CLOSED ERRATA QA Contact: ying xu <yinxu>
Severity: unspecified Docs Contact:
Priority: medium    
Version: FDP 21.KCC: ctrautma, jiji, jishi, lorenzo.bianconi, mmichels, odivlad
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ovn-2021-21.12.0-83.el8fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2022-09-06 20:58:34 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Numan Siddique 2022-07-04 16:37:18 UTC 
Description of problem:

Reported upstream at - https://mail.openvswitch.org/pipermail/ovs-dev/2022-July/395504.html

Steps to reproduce (copied from the u/s report)

---
# cat ./repro.sh
#!/bin/bash -x

ovn-nbctl ls-add ls1
ovn-nbctl lsp-add ls1 lsp1 -- \
    lsp-set-addresses lsp1 "00:00:00:00:00:01 192.168.0.10"
ovn-nbctl lb-add lb1 192.168.0.100:80 192.168.0.10:80
ovn-nbctl set Load_balancer lb1 ip_port_mappings:192.168.0.10=lsp1:192.168.0.8
ovn-nbctl --id=@id create Load_Balancer_Health_Check vip='"192.168.0.100:80"' -- set Load_Balancer lb1 health_check=@id
ovn-nbctl ls-lb-add ls1 lb1

ovs-vsctl add-port br-int test-lb -- set interface test-lb type=internal external_ids:iface-id=lsp1
ip li set test-lb addr 00:00:00:00:00:01
ip a add 192.168.0.10/24 dev test-lb
ip li set test-lb up

# check service_monitor
ovn-sbctl list service_mon

# ensure state became offline
sleep 4
ovn-sbctl list service_mon

# start listen on :80 with netcat
ncat -k -l 192.168.0.10 80 &

# ensure state turned to online
sleep 4
ovn-sbctl list service_mon

# trigger binding release
ovs-vsctl remove interface test-lb external_ids iface-id

# ensure state remains online
sleep 10
ovn-sbctl list service_mon

# ensure OVS group and backend is still in bucket
ovs-ofctl dump-groups br-int | grep 192.168.0.10

----




Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
Comment 1 Numan Siddique 2022-07-05 22:32:19 UTC 
Upstream patch submitted for review - https://patchwork.ozlabs.org/project/ovn/patch/20220705175154.3095150-1-odivlad@gmail.com/
Comment 2 OVN Bot 2022-07-09 04:05:40 UTC 
This issue is fixed in ovn-2021-21.12.0-83.el8fdp
Comment 3 OVN Bot 2022-07-09 04:05:47 UTC 
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2105626
Comment 4 OVN Bot 2022-07-09 04:05:56 UTC 
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2105627
Comment 5 OVN Bot 2022-07-09 04:06:04 UTC 
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2105628
Comment 6 OVN Bot 2022-07-09 04:06:14 UTC 
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2105629
Comment 7 OVN Bot 2022-07-09 04:06:21 UTC 
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2105630
Comment 8 OVN Bot 2022-07-18 19:45:39 UTC 
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2108305
This issue has been cloned at https://bugzilla.redhat.com/show_bug.cgi?id=2108306
Comment 11 ying xu 2022-08-04 01:07:18 UTC 
reproduced on version:
# rpm -qa|grep ovn
ovn-2021-central-21.12.0-73.el8fdp.x86_64
ovn-2021-host-21.12.0-73.el8fdp.x86_64
ovn-2021-21.12.0-73.el8fdp.x86_64
 the reproducer is automated.

client:
:: [ 06:50:03 ] :: [  BEGIN   ] :: Running 'ovs-vsctl remove interface hv0_vm01_vnet1 external_ids iface-id'
:: [ 06:50:03 ] :: [   PASS   ] :: Command 'ovs-vsctl remove interface hv0_vm01_vnet1 external_ids iface-id' (Expected 0, got 0)

server:
:: [ 06:50:10 ] :: [  BEGIN   ] :: Running 'ovn-sbctl show |grep hv0_vm01_vnet1'
:: [ 06:50:10 ] :: [   PASS   ] :: Command 'ovn-sbctl show |grep hv0_vm01_vnet1' (Expected 1, got 1)
:: [ 06:50:10 ] :: [  BEGIN   ] :: Running 'ovn-sbctl --bare --column status find service_monitor ip=172.16.103.12|grep offline'
offline
:: [ 06:50:10 ] :: [   FAIL   ] :: Command 'ovn-sbctl --bare --column status find service_monitor ip=172.16.103.12|grep offline' (Expected 0, got 1)

verified on version:

# rpm -qa|grep ovn
ovn-2021-central-21.12.0-84.el8fdp.x86_64
ovn-2021-host-21.12.0-84.el8fdp.x86_64
ovn-2021-21.12.0-84.el8fdp.x86_64

:: [ 06:01:18 ] :: [  BEGIN   ] :: Running 'ovn-sbctl show |grep hv0_vm01_vnet1'
:: [ 06:01:18 ] :: [   PASS   ] :: Command 'ovn-sbctl show |grep hv0_vm01_vnet1' (Expected 1, got 1)
:: [ 06:01:18 ] :: [  BEGIN   ] :: Running 'ovn-sbctl --bare --column status find service_monitor ip=172.16.103.12|grep offline'
offline
:: [ 06:01:18 ] :: [   PASS   ] :: Command 'ovn-sbctl --bare --column status find service_monitor ip=172.16.103.12|grep offline' (Expected 0, got 0)
Comment 13 errata-xmlrpc 2022-09-06 20:58:34 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 (ovn-2021 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-2022:6369