REPO_ROOT="$(dirname "$(dirname "${SCRIPT_DIR}")")"

LOCAL_ARCH=$(uname -m)

# Pass environment set target architecture to build system
if [[ ${TARGET_ARCH} ]]; then
    # Target explicitly set
    :
elif [[ ${LOCAL_ARCH} == x86_64 ]]; then
    TARGET_ARCH=amd64
elif [[ ${LOCAL_ARCH} == armv8* ]]; then
    TARGET_ARCH=arm64
elif [[ ${LOCAL_ARCH} == arm64* ]]; then
    TARGET_ARCH=arm64
elif [[ ${LOCAL_ARCH} == aarch64* ]]; then

# If Kind cluster was already created then it would be cleaned up in case of errors
function setup_kind_cluster() {
  local NAME="${1:-istio-testing}"
  local IMAGE="${2:-"${DEFAULT_KIND_IMAGE}"}"
  local CONFIG="${3:-}"
  local NOMETALBINSTALL="${4:-}"
  local CLEANUP="${5:-true}"

  check_default_cluster_yaml

  # Delete any previous KinD cluster

echo "Copying ${ISTIO_ENVOY_NATIVE_PATH} to ${TARGET_OUT}/${SIDECAR}"
cp -f "${ISTIO_ENVOY_NATIVE_PATH}" "${TARGET_OUT}/${SIDECAR}"

# Copy the envoy binary to TARGET_OUT_LINUX if the local OS is not Linux
if [[ "$GOOS_LOCAL" != "linux" ]]; then
   echo "Copying ${ISTIO_ENVOY_LINUX_RELEASE_PATH} to ${TARGET_OUT_LINUX}/${SIDECAR}"
  cp -f "${ISTIO_ENVOY_LINUX_RELEASE_PATH}" "${TARGET_OUT_LINUX}/${SIDECAR}"

  # BUILD_ZTUNNEL=1 with no BUILD_ZTUNNEL_REPO tries to infer BUILD_ZTUNNEL_REPO
  if [[ "${BUILD_ZTUNNEL_REPO:-}" == "" ]] && [[ "${BUILD_ZTUNNEL:-}" != "" ]]; then
    local ZTUNNEL_DIR
	ZTUNNEL_DIR="$(pwd)/../ztunnel"
    if [[ -d "${ZTUNNEL_DIR}" ]]; then
      BUILD_ZTUNNEL_REPO="${ZTUNNEL_DIR}"
    else
      echo "No directory at ${ZTUNNEL_DIR}"
      return
    fi
  fi