exit 1
      ;;
  esac
done


# single-cluster installations may need this gateway to allow VMs to get discovery
# for non-single cluster, we add additional topology information
SINGLE_CLUSTER="${SINGLE_CLUSTER:-0}"
if [[ "${SINGLE_CLUSTER}" -eq 0 ]]; then
  if [[ -z "${NETWORK:-}" ]]; then
    echo "Must specify either --single-cluster or --network."
    exit 1
  fi
fi

# base
IOP=$(cat <<EOF

# shellcheck source=prow/lib.sh
source "${ROOT}/prow/lib.sh"
setup_and_export_git_sha

# shellcheck source=common/scripts/kind_provisioner.sh
source "${ROOT}/common/scripts/kind_provisioner.sh"

TOPOLOGY=SINGLE_CLUSTER
NODE_IMAGE="gcr.io/istio-testing/kind-node:v1.30.0"
KIND_CONFIG=""
CLUSTER_TOPOLOGY_CONFIG_FILE="${ROOT}/prow/config/topology/multicluster.json"

export FAST_VM_BUILDS=true

// RUN: tf-opt %s -split-input-file -tf-device-cluster-outlining | FileCheck %s

// Tests simple case of a single `tf_device.cluster`.

// CHECK-LABEL: func @single_cluster
// CHECK-SAME: (%[[ARG_0:[a-z0-9]*]]: tensor<?xi32>)
func.func @single_cluster(%arg0: tensor<?xi32>) -> tensor<?xi32> {
  %0 = tf_executor.graph {
    %1:2 = tf_executor.island {
      // CHECK: %[[A_OUTPUT:[0-9]*]] = "tf.A"(%[[ARG_0]])