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[release-4.15] OCPBUGS-27503: Use DSR load balancing in kube-proxy #2024

Merged
merged 5 commits into from
Jan 24, 2024
Merged

[release-4.15] OCPBUGS-27503: Use DSR load balancing in kube-proxy #2024

merged 5 commits into from
Jan 24, 2024

Commits on Jan 22, 2024

  1. Change sourceVIP used for kube-proxy 

    Changes the method of choosing a sourceVIP for kube-proxy to be in line
with Microsoft guidelines. The HNS endpoint for the VIPEndpoint
interface is no longer needed.
    @sebsoto
    sebsoto authored and openshift-cherrypick-robot committed Jan 22, 2024
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  2. Switch to DSR load balancing 

    The port reservation logic in kube-proxy's dsr mode is better tested.
Without using DSR, packet loss was being seen by on Windows Server 2019.
    @sebsoto
    sebsoto authored and openshift-cherrypick-robot committed Jan 22, 2024
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  3. Add Windows Exporter port to firewall 

    Explicity allows incoming traffic for the Windows Exporter metrics
server running on Windows nodes.
    @sebsoto
    sebsoto authored and openshift-cherrypick-robot committed Jan 22, 2024
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  4. Refactor machine approver scaling 

    Adds new function to help scale up/down the cluster machine approver
deployment.
    @sebsoto
    sebsoto authored and openshift-cherrypick-robot committed Jan 22, 2024
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  5. Fix upgrade test for Machine recreation 

    Adjusts the update test ensure it works when Machines are recreated as
part of an upgrade. This will happen when the userdata is changed
between two releases. The existing problems are that the Cluster Machine
Approver needs to be scaled so CSRs can be approved, and that storage
workloads which are being used to test across upgrades need to not be
assigned a Node affinity. If there is an affinity on the Node that is
replaced, the workload will not be able to be rescheduled.
    @sebsoto
    sebsoto authored and openshift-cherrypick-robot committed Jan 22, 2024
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