Set up stop-gap load balancer

[celskeggs]

We already have an internal load-balancing system, provided by kube-proxy, and the real advantage of something like GLB (#336) is that it can scale horizontally, but we don't actually need horizontal scaling of our load balancing at this point.

So really we just need to be able to bind a public IP address on the subnet and forward it to a kube-proxy endpoint. And that would get us everything we currently need. We should set up something simple and wait until later to actually set up a full load balancer.

[celskeggs]

@cryslith how's this going? once #423 is merged, load balancing is going to be the last big blocker before we can start letting people test the cluster, and I'm trying to figure out the details of how we get to that point.

[cryslith]

Oh, I forgot I was assigned this. End of semester will do that. I don't think I did anything for it yet

(Mostly because I haven't actually been able to properly build & deploy homeworld in a while, which I think requires getting #396 merged.)

[celskeggs]

@cryslith do you anticipate being able to get this one done in the next month or so?

[cryslith]

Yes, should be fine

[cryslith]

This will probably be MetalLB in layer 2 mode

[celskeggs]

@cryslith how's the load balancer going?