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  1. RHEL
  2. RHEL-13936

[RFE] Support DNS option in OCP 4.12/RHEL 8.6

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    • nmstate-1.4.5-2.el8
    • ZStream
    • 2
    • rhel-sst-network-management
    • ssg_networking
    • 11
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      Customer/Partner Jira ID Case ID Status Details
      OpenShift RHEL-13936 03639794 The customer is requesting to have the support of DNS option backported in RHEL-8.6 so that it can be consumed in OCP 4.16. This feature is already available in RHEL-9.4 and the backport should be easy. A patch has been sent upstream and merged. The issue was added to a build attached to an errata.
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      Customer/Partner Jira ID Case ID Status Details OpenShift RHEL-13936 03639794 The customer is requesting to have the support of DNS option backported in RHEL-8.6 so that it can be consumed in OCP 4.16. This feature is already available in RHEL-9.4 and the backport should be easy. A patch has been sent upstream and merged. The issue was added to a build attached to an errata.
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    • NMT - RHEL 8.10/9.4 DTM 08, NMT - RHEL 8.10/9.4 DTM 10
    • Approved Blocker
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      Given a system administrator with an OpenShift 4.12 cluster on RHEL 8.6,

      When they apply a NodeNetworkConfigurationPolicy manifest via Nmstate to modify DNS timeout and attempts options,

      Then Nmstate should modify the DNS settings accordingly

       

      Definition of Done

      • The implementation meets the acceptance criteria
      • The code is part of a build attached to an errata
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      Given a system administrator with an OpenShift 4.12 cluster on RHEL 8.6, When they apply a NodeNetworkConfigurationPolicy manifest via Nmstate to modify DNS timeout and attempts options, Then Nmstate should modify the DNS settings accordingly   Definition of Done The implementation meets the acceptance criteria The code is part of a build attached to an errata
    • Pass
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      1. Proposed title of this feature request

      Allow setting DNS options in Nmstate

      2. What is the nature and description of the request?

      Allow setting DNS options in Nmstate, specifically timeout and attempts.

      3. Why does the customer need this? (List the business requirements here)

      In some cases, users have out of control, not stable enough, upstream environment DNS servers and needs to modify the DNS options timeout and attempts. They can modify DNS options in RHEL servers to tolerate the DNS issues but no supported way to modify it in the OpenShift nodes. We understand that the Pod level configuration can be done via Pod yaml and/or CoreDNS DNS operator, but stil we need to modify the RHCOS node layer DNS configuration for the node level components like kubelet.

      4. List any affected packages or components.

      Nmstate

              fge@redhat.com Gris Ge
              fge@redhat.com Gris Ge
              Network Management Team Network Management Team
              Mingyu Shi Mingyu Shi
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                Created:
                Updated:
                Resolved: