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[release-4.15] OCPBUGS-43605: backport fix for network policy during live migration #642

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[release-4.15] OCPBUGS-43605: backport fix for network policy during live migration #642

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Commits on Nov 14, 2024

  1. Implement namespaceSelectors on ingress with all pods IPs 

    During SDN live migration, the VNID from ovn-k nodes cannot be
used distinguish namespaces. So generate per-pod-IP match rules
instead.

For host network namespace, we need to rules with the OVN mp0 IPs
for the host to pod traffic from the ovn-k nodes.

Signed-off-by: Peng Liu <[email protected]>
    @pliurh
    pliurh committed Nov 14, 2024
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  2. Use copy() to duplicate a net.IP 

    Signed-off-by: Peng Liu <[email protected]>
    @pliurh
    pliurh committed Nov 14, 2024
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