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[Release 4.14] OCPBUGS-43484: NP-1092: backport SDN live migration #631

Merged
merged 3 commits into from
Oct 18, 2024
Merged

[Release 4.14] OCPBUGS-43484: NP-1092: backport SDN live migration #631

merged 3 commits into from
Oct 18, 2024

Commits on Aug 19, 2024

  1. Metrics: Add metric for multicast enabled netnamespaces 

    Signed-off-by: Peng Liu <[email protected]>
    @pliurh
    pliurh committed Aug 19, 2024
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  2. Skip ovnkube private interface when getting host IP 

    During live migration, the SDN control-plane may run on ovnkube nodes.
So we need to ignore the ovnkube interface.

Signed-off-by: Peng Liu <[email protected]>
    @pliurh
    pliurh committed Aug 19, 2024
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  3. Add flows that allow openshift-sdn to connect to ovnkube 

    During live migration, openshift-sdn nodes will be connected to
ovnkube network as hybrid overlay nodes. The VXLAN packets from
ovnkube node have the same dest_MAC as the both the inner and
outer MAC with the MAC address of the physical interface. In order
to forward the packet to the pod, we swap the inner MAC to the
real MAC of the pod in table 10.

Signed-off-by: Peng Liu <[email protected]>
    @pliurh
    pliurh committed Aug 19, 2024
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