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node annotations: add k8s.ovn.org/node-mgmt-port-info and provide mgmt ip address #4760

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@flavio-fernandes flavio-fernandes commented Oct 8, 2024

Instead of making an assumption about the IP address on ovn-k8s-mp0, where it is expected to be the second IP of node-subnet for the default/primary network, it is better to provide this information through an annotation.

  k8s.ovn.org/node-mgmt-port-info: {
     "default": {
                "ip-addresses": [ "10.192.13.2/26" ],
     }
  }

In the future, we may entertain moving mac addresses and other properties to this, but that is no longer
part of this PR (Ref: https://github.com/flavio-fernandes/ovn-kubernetes/tree/mgmt-port-info.mac_and_vf).

@flavio-fernandes flavio-fernandes requested a review from a team as a code owner October 8, 2024 02:48
@github-actions github-actions bot added the area/unit-testing Issues related to adding/updating unit tests label Oct 8, 2024
@flavio-fernandes flavio-fernandes force-pushed the mgmt-port-info branch 3 times, most recently from 48a5d60 to bd0d5ee Compare October 14, 2024 23:13
Instead of making an assumption about the IP address on
ovn-k8s-mp0, where it is expected to be the second IP of
node-subnet for the default/primary network, it is better
to provide this information through an annotation.

  k8s.ovn.org/node-mgmt-port-info: {
     "default": {
                "ip-addresses": [ "10.192.13.2/26" ],
     }
  }

Signed-off-by: Flavio Fernandes <[email protected]>
@flavio-fernandes flavio-fernandes changed the title [WIP] node annotations: add k8s.ovn.org/node-mgmt-port-info node annotations: add k8s.ovn.org/node-mgmt-port-info and provide mgmt ip address Oct 15, 2024
// "l2-network": {
// "ip-addresses": [ "10.200.10.2/26" ],
// "mac-address": "5e:52:2a:c0:98:f4"
// }
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Note: for this PR, only the ip-addresses attribute is being implemented. We chose to defer handling the other two as they are currently redundant. Also, mac addresses (plural) is new so it is a bit of a churn to change that yet again.

@flavio-fernandes
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Known Flake: #4432
FLAKE: External Gateway With Admin Policy Based External Route CRs e2e multiple external gateway validation Should validate ICMP connectivity to multiple external gateways for an ECMP scenario IPV4

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