Kubernetes operator for service mirroring - [WIP]

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This operator has been written to prototype the aggregation layer for Service Mirror.

As mentioned in the issue : linkerd/linkerd2#10747, if Services are mirrored from multiple target cluster, currently Service Mirror create cardinal index for each Target cluster ex X-target1, x-target1.

Using this operator, there will be one additional Service created and managed, to aggregate Services from all this target clusters (along side mirrored services). Ex. x-global it will EndpointSlices from x-target1, x-target2...

HOW TO SETUP

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We use just to do local setup.

• just k3d-create : Command creates 3 k3d local cluster and it also do chaining calls to setup multicluster environment for linkerd.

• just run (go run main.go ): Should fireup operator and it will loop for Services labelled using mirror.linkerd.io/mirrored-service