UPSTREAM: <carry>: require good status on discovery check #21758
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The aggregator shouldn't report the status on an endpoint to be good unless it gets back a 200-ish return code. This builds the correct transport so that a unauthorized should pop out if the backing apiserver would return one.
/assign @sttts
I'm actually not sure how to wire this upstream since the proxy transport is created in an odd way and we couldn't/shouldn't modify it here. We already customized this to hit many in parallel, what's one more :(
@mfojtik checking at the other end.