Bug 2005913 - [4.7z] external gateway pod deletes may not clean up ECMP routes
Summary: [4.7z] external gateway pod deletes may not clean up ECMP routes
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: OpenShift Container Platform
Classification: Red Hat
Component: Networking
Version: 4.6
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
: 4.7.z
Assignee: Tim Rozet
QA Contact: Ross Brattain
URL:
Whiteboard:
Depends On: 2004269
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-09-20 13:17 UTC by Tim Rozet
Modified: 2021-09-29 14:10 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 2004269
Environment:
Last Closed: 2021-09-29 14:10:11 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github openshift ovn-kubernetes pull 763 0 None open Bug 2005913: [4.7z] Sync ECMP routes on startup and fixes stale ECMP routes 2021-09-20 13:37:41 UTC
Red Hat Product Errata RHBA-2021:3636 0 None None None 2021-09-29 14:10:16 UTC

Comment 1 Ross Brattain 2021-09-20 19:00:02 UTC 
Tested on https://github.com/openshift/ovn-kubernetes/pull/763

4.7.0-0.ci.test-2021-09-20-145757-ci-ln-8nfy93t-latest


Annotations:  k8s.ovn.org/routing-namespaces: exgw
              k8s.ovn.org/routing-network: blah
              k8s.v1.cni.cncf.io/network-status:
                [{"name":"blah","interface":"net1","ips":["172.31.249.174", "192.168.15.5"],"mac":"da:32:0c:8a:42:47","dns":{}}]




I0920 18:32:18.656877       1 egressgw.go:149] Deleting routes for external gateway pod: testpod1, for namespace(s) exgw
2021-09-20T18:32:18.659Z|01395|unixctl|DBG|received request run["--if-exists","--policy=src-ip","--","lr-route-del","GR_ip-10-0-140-1-1.compute.internal","10.129.2.18/32","172.31.249.174] id=0
2021-09-20T18:32:18.659Z|01396|nbctl|INFO|Running command run --if-exists --policy=src-ip -- lr-route-del GR_ip-10-0-140-1-1.compute.internal 10.129.2.18/32 172.31.249.174
2021-09-20T18:32:18.662Z|01397|unixctl|DBG|replying with success, id=0: ""
2021-09-20T18:32:18.665Z|01398|unixctl|DBG|received request run["--format=csv","--data=bare","--no-headings","--columns=bfd","--","find","Logical_Router_Static_Route","output_port=rtoe-GR_ip-10-0-140-1-1.compute.internal","nexthop=172.31.249.174","bfd!=[] id=0
2021-09-20T18:32:18.665Z|01399|nbctl|DBG|Running command run --format=csv --data=bare --no-headings --columns=bfd -- find Logical_Router_Static_Route output_port=rtoe-GR_ip-10-0-140-1-1.compute.internal nexthop=172.31.249.174 bfd!=[]
2021-09-20T18:32:18.665Z|01400|unixctl|DBG|replying with success, id=0: ""
2021-09-20T18:32:18.669Z|01401|unixctl|DBG|received request run["--format=csv","--data=bare","--no-headings","--columns=_uuid","--","find","BFD","logical_port=rtoe-GR_ip-10-0-140-1-1.compute.internal","dst_ip=172.31.249.174] id=0
2021-09-20T18:32:18.669Z|01402|nbctl|DBG|Running command run --format=csv --data=bare --no-headings --columns=_uuid -- find BFD logical_port=rtoe-GR_ip-10-0-140-1-1.compute.internal dst_ip=172.31.249.174
2021-09-20T18:32:18.669Z|01403|unixctl|DBG|replying with success, id=0: ""
I0920 18:32:18.669568       1 egressgw.go:486] Did not find bfd entry for rtoe-GR_ip-10-0-140-1-1.compute.internal 172.31.249.174
2021-09-20T18:32:18.671Z|01404|unixctl|DBG|received request run["--if-exists","--policy=src-ip","--","lr-route-del","GR_ip-10-0-140-1-1.compute.internal","10.129.2.18/32","192.168.15.5] id=0
2021-09-20T18:32:18.672Z|01405|nbctl|INFO|Running command run --if-exists --policy=src-ip -- lr-route-del GR_ip-10-0-140-1-1.compute.internal 10.129.2.18/32 192.168.15.5
2021-09-20T18:32:18.674Z|01406|unixctl|DBG|replying with success, id=0: ""
2021-09-20T18:32:18.677Z|01407|unixctl|DBG|received request run["--","lr-policy-del","ovn_cluster_router","501","inport] == \"rtos-ip-10-0-140-1-1.compute.internal\" && ip4.src == 10.129.2.18 && ip4.dst != 10.128.0.0/14"], id=0
2021-09-20T18:32:18.677Z|01408|nbctl|INFO|Running command run -- lr-policy-del ovn_cluster_router 501 "inport == \"rtos-ip-10-0-140-1-1.compute.internal\" && ip4.src == 10.129.2.18 && ip4.dst != 10.128.0.0/14"
2021-09-20T18:32:18.681Z|01409|unixctl|DBG|replying with success, id=0: ""
2021-09-20T18:32:18.685Z|01410|unixctl|DBG|received request run["--format=csv","--data=bare","--no-headings","--columns=bfd","--","find","Logical_Router_Static_Route","output_port=rtoe-GR_ip-10-0-140-1-1.compute.internal","nexthop=192.168.15.5","bfd!=[] id=0
2021-09-20T18:32:18.685Z|01411|nbctl|DBG|Running command run --format=csv --data=bare --no-headings --columns=bfd -- find Logical_Router_Static_Route output_port=rtoe-GR_ip-10-0-140-1-1.compute.internal nexthop=192.168.15.5 bfd!=[]
2021-09-20T18:32:18.685Z|01412|unixctl|DBG|replying with success, id=0: ""
2021-09-20T18:32:18.688Z|01413|unixctl|DBG|received request run["--format=csv","--data=bare","--no-headings","--columns=_uuid","--","find","BFD","logical_port=rtoe-GR_ip-10-0-140-1-1.compute.internal","dst_ip=192.168.15.5] id=0
2021-09-20T18:32:18.688Z|01414|nbctl|DBG|Running command run --format=csv --data=bare --no-headings --columns=_uuid -- find BFD logical_port=rtoe-GR_ip-10-0-140-1-1.compute.internal dst_ip=192.168.15.5
2021-09-20T18:32:18.688Z|01415|unixctl|DBG|replying with success, id=0: ""
I0920 18:32:18.689267       1 egressgw.go:486] Did not find bfd entry for rtoe-GR_ip-10-0-140-1-1.compute.internal 192.168.15.5
I0920 18:32:27.378557       1 reflector.go:530] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.Pod total 41 items received
Comment 6 errata-xmlrpc 2021-09-29 14:10:11 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 (OpenShift Container Platform 4.7.32 bug fix 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-2021:3636
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