else
    echo "This system's OS, $LOCAL_OS, isn't supported"
    exit 1
fi

# Build image to use
TOOLS_REGISTRY_PROVIDER=${TOOLS_REGISTRY_PROVIDER:-gcr.io}
PROJECT_ID=${PROJECT_ID:-istio-testing}
if [[ "${IMAGE_VERSION:-}" == "" ]]; then
  IMAGE_VERSION=master-8fb9ce88f6ad4cdd35c1660cd0ad0ab67eff4c6c
fi
if [[ "${IMAGE_NAME:-}" == "" ]]; then
  IMAGE_NAME=build-tools
fi

# as specified in cluster topology configuration file.
# 1. IMAGE = docker image used as node by KinD
# 2. IP_FAMILY = either ipv4 or ipv6
#
# NOTE: Please call load_cluster_topology before calling this method as it expects
# cluster topology information to be loaded in advance
function setup_kind_clusters() {
  IMAGE="${1:-"${DEFAULT_KIND_IMAGE}"}"
  KUBECONFIG_DIR="${ARTIFACTS:-$(mktemp -d)}/kubeconfig"

  go mod download
  go mod tidy
  cd ..
fi

# SqlServer for Mac M1
if [[ -z $GITHUB_ACTION ]]; then
  if [ -d tests ]
  then
    cd tests
    if [[ $(uname -a) == *" arm64" ]]; then
      MSSQL_IMAGE=mcr.microsoft.com/azure-sql-edge docker-compose start || true
      go install github.com/microsoft/go-sqlcmd/cmd/sqlcmd@latest || true

# Set the value of DOWNLOAD_COMMAND (either curl or wget)
set_download_command

if [[ -n "${DEBUG_IMAGE:-}" ]]; then
  # Download and extract the Envoy linux debug binary.
  download_envoy_if_necessary "${ISTIO_ENVOY_LINUX_DEBUG_URL}" "$ISTIO_ENVOY_LINUX_DEBUG_PATH" "${SIDECAR}"
else
  echo "Skipping envoy debug. Set DEBUG_IMAGE to download."
fi

# Download and extract the Envoy linux release binary.

TMP=$(mktemp -d)
LOKI_VERSION=${LOKI_VERSION:-"6.0.0"}
GRAFANA_VERSION=${GRAFANA_VERSION:-"7.3.7"}

# Set up kiali
{
helm3 template kiali-server \
  --namespace istio-system \
  --version 1.82.0 \
  --set deployment.image_version=v1.82 \
  --include-crds \
  --set nameOverride=kiali \
  --set fullnameOverride=kiali \
  kiali-server \
  --repo https://kiali.org/helm-charts \
  -f "${WD}/values-kiali.yaml"
} > "${ADDONS}/kiali.yaml"

    --build-arg REQUIREMENTS_FILE=jax.requirements.txt \
    --target=$target \
    --cache-from "$IMAGE" \
    -t "$IMAGE"  . && break
  done
  final=$?
  if [ $final -ne 0 ]; then
    exit $final
  fi
  set -e

  if [[ -n "$KOKORO_BUILD_ID" ]]; then
    gcloud auth configure-docker
    docker push "$IMAGE"
  fi

    echo "pdftoppm does not work."
    exit 1
  fi
  convert -thumbnail ${image_size} ${tmp_png_file} "${output_file}"
  rm -f ${tmp_png_prefix}*png
elif [[ x"${cmd_type}" = "ximage" ]] ; then
  check_command convert
  target_file=$(echo "$url" | sed -e "s#^file:/*#/#g")
  convert -thumbnail ${image_size} "${target_file}" "${output_file}"
elif [[ x"${cmd_type}" = "x" ]] ; then
  echo "No filetype."
  exit 1

  # Pulling an already-pulled container image will finish instantly, so
  # repeating the command costs nothing.
  docker pull "$TFCI_DOCKER_IMAGE" || sleep 15
  docker pull "$TFCI_DOCKER_IMAGE" || sleep 15
  docker pull "$TFCI_DOCKER_IMAGE"
fi 

if [[ "$TFCI_DOCKER_REBUILD_ENABLE" == 1 ]]; then
  DOCKER_BUILDKIT=1 docker build --cache-from "$TFCI_DOCKER_IMAGE" -t "$TFCI_DOCKER_IMAGE" $TFCI_DOCKER_REBUILD_ARGS

/usr/bin/$VERSION get-pip.py
/usr/bin/$VERSION -m pip install --no-cache-dir --upgrade pip

# Disable the cache dir to save image space, and install packages

# those VMs does not support installing Python 3.12 and above which we need
# for running smoke tests in nightly/release wheel builds.
if [[ "${TFCI_MACOS_UPGRADE_PYENV_ENABLE}" == 1 ]]; then
  # The TFCI Mac VM image seems to have uncommitted local changes to the Pyenv
  # repository so we have to discard them and reset the working directory before
  # we can pull in the latest changes.