Implement the service endpoints controller #17216
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internal/catalog/internal/controllers/endpoints/workload_mapper.go
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This also fixes a bug where multiple service ports with a 0 value virtual port could not be set. A 0 virtual port means unset and so we should allow duplicates of these.
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Description
This PR builds on #17215. The workload mapper tracks which services each workload is a part of. When reconciling service endpoints, the controller will aggregate view all the status information of workloads in order to populate the HealthStatus field on the ServiceEndpoints. The final result is that the ServiceEndpoints types get computed for all services.
To make the workload to service mapping more efficient it uses a radix tree. I copied this from github.com/armon/go-radix and then modified that to be a generic type. Mainly I didn't want to type coerce from interface{} all over the place. This could probably also have used a generic version of github.com/hashicorp/go-immutable-radix.S
Testing & Reproduction steps
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