Bug 1811815
| Summary: | [RFE] Add support in ovn-kubernetes for SCTP with k8s service | |||
|---|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Tim Rozet <trozet> | |
| Component: | Networking | Assignee: | Tim Rozet <trozet> | |
| Networking sub component: | ovn-kubernetes | QA Contact: | Weibin Liang <weliang> | |
| Status: | CLOSED ERRATA | Docs Contact: | ||
| Severity: | urgent | |||
| Priority: | urgent | CC: | augol, dcbw, fpaoline, fsimonce, huirwang, mleitner, mmichels, william.caban | |
| Version: | 4.4 | |||
| Target Milestone: | --- | |||
| Target Release: | 4.5.0 | |||
| Hardware: | Unspecified | |||
| OS: | Unspecified | |||
| Whiteboard: | ||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | ||
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 1823557 (view as bug list) | Environment: | ||
| Last Closed: | 2020-07-13 17:19:06 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: | ||||
| Bug Depends On: | ||||
| Bug Blocks: | 1771572, 1823557 | |||
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Description
Tim Rozet
2020-03-09 20:35:32 UTC
Is this a regression if bug 1717461 was fixed in 4.3? Branch that adds SCTP load balancing for OVN: https://github.com/putnopvut/ovn/tree/sctp_lb However, it does not add SCTP health checks, so turning health checks on for SCTP load balancers will likely result in bad things happening. I have updated my branch linked in my previous comment. I've also now submitted a patch for inclusion in upstream OVN: https://mail.openvswitch.org/pipermail/ovs-dev/2020-March/368654.html Tim, can you test my code with the ovn-kubernetes changes you've made to ensure that this is working as expected? Just to re-iterated, health checks are not supported for SCTP load balancers. So if you attempt to configured a health check for an SCTP load balancer, you'll see a warning in the northd log and the health check will not be used. I have a PR up on github. Now I can test your patch Mark. Will report back. Mark I'm seeing the load balancer is there:
_uuid : 69a2ee26-1086-42b6-a4f9-1b880cd047d7
external_ids : {k8s-cluster-lb-sctp=yes}
health_check : []
ip_port_mappings : {}
name : ""
protocol : sctp
vips : {"10.101.165.35:62324"="10.244.0.5:62324"}
But sctp traffic doesn't seem to be working via the load balancer. It does work directly between the pods though. Will take a closer look on Monday.
FYI see https://bugzilla.redhat.com/show_bug.cgi?id=1718372#c8 for latest update on testing. This landed in https://github.com/openshift/ovn-kubernetes/pull/123 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-2020:2409 |