use Felixconfiguration to able to define uplink

[ehsan310]

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We have an environment that uplink name is not always the same across all worker/master nodes. in some it's called eth1 and others eth2 for example. right now if we deploy VPP DS it'll take config map (

vpp-dataplane/yaml/generated/calico-vpp.yaml

Line 182 in ad70801

"interfaceName": "eth1",

) having a static config with uplink name there.

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To solve the issue now we have to keep deploying multiple DS with a nodeselector or affinity rules to be able to differenciate between node uplink interfaces , it'll make our deployment complex as we have to keep track of config maps sparely per node for vpp.

It would be nice to be able to have a way to configure uplink configurable per node but a bit easier than maintaining the whole deployment and config map separate.

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