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  1. OpenShift SDN
  2. SDN-4470

Minimize downtime especially during upgrades with EgressIP

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    • Icon: Epic Epic
    • Resolution: Unresolved
    • Icon: Undefined Undefined
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    • OVN Kubernetes
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    • Minimize downtime especially during upgrades with EgressIP
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    • To Do
    • OCPSTRAT-1172 - Minimizing downtime when upgrading clusters with Egress IPs
    • 60% To Do, 20% In Progress, 20% Done
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      [QE] May 02, 2024 - No QE stories planned in Sprint 253

      [QE] Apr 08, 2024 - No QE stories planned in Sprint 252

      [QE] Mar 27, 2024 - No QE stories planned in Sprint 251

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      [QE] May 02, 2024 - No QE stories planned in Sprint 253 [QE] Apr 08, 2024 - No QE stories planned in Sprint 252 [QE]  Mar 27, 2024 - No QE stories planned in Sprint 251
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      Template:

      Networking Definition of Planned

      Epic Template descriptions and documentation

      Epic Goal

      OVNK uses a grpc mechanism to determine node health for egress IP. This interval is configurable in OCP. To minimize downtime, we should also report the an unhealthy status when the ovnk pod is terminating, but still serve egress IP until the egress IP has reassigned. This RFE will take some minor development, but most of the downtime mitigation should already exist with the built in check that exists today.
       
       

       

      Why is this important?

      Reduce downtime and non-availability of egressIP by providing a better fail over mechanism especially during upgrades.

      Planning Done Checklist

      The following items must be completed on the Epic prior to moving the Epic from Planning to the ToDo status

      • Priority+ is set by engineering
      • Epic must be Linked to a +Parent Feature
      • Target version+ must be set
      • Assignee+ must be set
      • (Enhancement Proposal is Implementable
      • (No outstanding questions about major work breakdown
      • (Are all Stakeholders known? Have they all been notified about this item?
      • Does this epic affect SD? {}Have they been notified{+}? (View plan definition for current suggested assignee)
        1. Please use the “Discussion Needed: Service Delivery Architecture Overview” checkbox to facilitate the conversation with SD Architects. The SD architecture team monitors this checkbox which should then spur the conversation between SD and epic stakeholders. Once the conversation has occurred, uncheck the “Discussion Needed: Service Delivery Architecture Overview” checkbox and record the outcome of the discussion in the epic description here.
        2. The guidance here is that unless it is very clear that your epic doesn’t have any managed services impact, default to use the Discussion Needed checkbox to facilitate that conversation.

      Additional information on each of the above items can be found here: Networking Definition of Planned

      Acceptance Criteria

      • CI - MUST be running successfully with tests automated
      • Release Technical Enablement - Provide necessary release enablement
        details and documents.

      ...

      Dependencies (internal and external)

      1.

      ...

      Previous Work (Optional):

      1. …

      Open questions::

      1. …

      Done Checklist

      • CI - CI is running, tests are automated and merged.
      • Release Enablement <link to Feature Enablement Presentation>
      • DEV - Upstream code and tests merged: <link to meaningful PR or GitHub Issue>
      • DEV - Upstream documentation merged: <link to meaningful PR or GitHub Issue>
      • DEV - Downstream build attached to advisory: <link to errata>
      • QE - Test plans in Polarion: <link or reference to Polarion>
      • QE - Automated tests merged: <link or reference to automated tests>
      • DOC - Downstream documentation merged: <link to meaningful PR>

            jcaamano@redhat.com Jaime Caamaño Ruiz
            ddharwar@redhat.com Deepthi Dharwar
            Anurag Saxena Anurag Saxena
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              Created:
              Updated: