gateways

GCP: Enable HttpLoadBalancing feature on Cluster to avoid errors when applying BackEndConfig

If you are configuring Istio/ASM ingress gateways with a BackendConfig for specifying health checks, timeouts, or Cloud Armor policies, then you need to ensure that your GKE cluster has the HttpLoadBalancing feature enabled. If this feature is not enabled, you will see an error message like below when attempting to apply the BackendConfig manifest: unable GCP: Enable HttpLoadBalancing feature on Cluster to avoid errors when applying BackEndConfig