aws / aws-application-networking-k8s / 23103296107

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main: 44%

Pull #909

github

fix: add hostname intersection check for route-listener matching

Per the Gateway API spec, a route should only attach to a listener if
their hostnames intersect. Previously the controller did not check
hostname intersection, causing:

1. AttachedRoutes count to include routes with non-matching hostnames
2. Routes with mismatched hostnames to be marked Accepted instead of
   getting Accepted=False with reason NoMatchingListenerHostname

Add hostnamesIntersect check to IsRouteAllowedByListener and add
NoMatchingListenerHostname reason to route validation. This resolves
the GatewayWithAttachedRoutes conformance test failure.

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