Uploaded image for project: 'OpenShift Bugs'
  1. OpenShift Bugs
  2. OCPBUGS-26023

SessionAffinity does not work after scaling down the Pods

    XMLWordPrintable

Details

    • Critical
    • No
    • SDN Sprint 247, SDN Sprint 248
    • 2
    • False
    • Hide

      None

      Show
      None

    Description

      Description of problem:

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

       4.14

      How reproducible:

      1. oc patch svc <svc> --type merge --patch '{"spec":{"sessionAffinity":"ClientIP"}}'

      2. curl <svc>:<port>

      3. oc scale --replicas=3 deploy/<deploy>

      4. oc scale --replicas=0 deploy/<deploy>

      5. oc scale --replicas=3 deploy/<deploy>

      Actual results:

       Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 54850
      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 46668
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 46682
      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 60144
      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 60150
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 60160
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 51720

      Expected results:

       Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 46914
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 46928
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 46944
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 40510
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 40520

      Additional info:

      See the hostname in the server log output for each command.

      $ oc patch svc <svc> --type merge --patch '{"spec":{"sessionAffinity":"ClientIP"}}'

      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 46914
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 46928
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 46944
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 40510
      Hostname: tcp-668655b888-9mmfc, SourceIP: 10.128.1.205, SourcePort: 40520

      $ oc scale --replicas=1 deploy/<deploy>

      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 47082
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 47088
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 54832
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 54848

      $ oc scale --replicas=3 deploy/<deploy>

      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 54850
      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 46668
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 46682
      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 60144
      Hostname: tcp-668655b888-dcwlr, SourceIP: 10.128.1.205, SourcePort: 60150
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 60160
      Hostname: tcp-668655b888-xxcn2, SourceIP: 10.128.1.205, SourcePort: 51720

      Attachments

        Issue Links

          is blocked by

          Bug - A problem that impairs or prevents the functions of the product. FDP-257 Load balancer session affinity learnt flows are not removed when backends are removed.

          • Undefined - Priority not specified.
          • Dev Complete
          is cloned by

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-27255 [4.15] SessionAffinity does not work after scaling down the Pods

          • Blocker - To be worked above all other priorities. This term is chosen when the severity of the issue is very high, has no workaround, or the effort for the change is comparatively low. Issues that may be very publicly visible and could generate significant media attention may also drive a higher priority.
          • Closed
          is depended on by

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-27255 [4.15] SessionAffinity does not work after scaling down the Pods

          • Blocker - To be worked above all other priorities. This term is chosen when the severity of the issue is very high, has no workaround, or the effort for the change is comparatively low. Issues that may be very publicly visible and could generate significant media attention may also drive a higher priority.
          • Closed
          relates to

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-27256 [4.14] SessionAffinity does not work after scaling down the Pods

          • Blocker - To be worked above all other priorities. This term is chosen when the severity of the issue is very high, has no workaround, or the effort for the change is comparatively low. Issues that may be very publicly visible and could generate significant media attention may also drive a higher priority.
          • Closed

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-27257 [4.13] SessionAffinity does not work after scaling down the Pods

          • Blocker - To be worked above all other priorities. This term is chosen when the severity of the issue is very high, has no workaround, or the effort for the change is comparatively low. Issues that may be very publicly visible and could generate significant media attention may also drive a higher priority.
          • Closed
          links to

          Web Link Add e2e test for session affinity

          GitHub openshift/ovn-kubernetes#2018: OCPBUGS-23430,OCPBUGS-24363,OCPBUGS-27211,OCPBUGS-26023: [DownstreamMerge] Merge 1-16-24

          Web Link RHEA-2024:0041 OpenShift Container Platform 4.16.z bug fix update

          Activity

            People

              npinaeva@redhat.com Nadia Pinaeva
              rhn-support-vkochuku Vinu Kochukuttan
              Jean Chen Jean Chen
              Votes:
              0 Vote for this issue
              Watchers:
              12 Start watching this issue

              Dates

                Created:
                Updated: