exit 1
    ;;
esac

if [ "${ISTIO_VERSION}" = "" ] ; then
  printf "Unable to get latest Istio version. Set ISTIO_VERSION env var and re-run. For example: export ISTIO_VERSION=1.0.4"
  exit 1;
fi

NAME="istio-$ISTIO_VERSION"
URL="https://github.com/istio/istio/releases/download/${ISTIO_VERSION}/istio-${ISTIO_VERSION}-${OSEXT}.tar.gz"

if [ "${ISTIO_VERSION}" = "" ] ; then
  ISTIO_VERSION="$(curl -sL https://github.com/istio/istio/releases | \
                  grep -o 'releases/[0-9]*.[0-9]*.[0-9]*/' | sort -V | \
                  tail -1 | awk -F'/' '{ print $2}')"
  ISTIO_VERSION="${ISTIO_VERSION##*/}"
fi

if [ "${ISTIO_VERSION}" = "" ] ; then

# hadolint ignore=DL3006
FROM ${BASE_DISTRIBUTION:-debug}

WORKDIR /

ARG istio_version

# Install ztunnel.
ARG TARGETARCH
COPY ${TARGETARCH:-amd64}/ztunnel /usr/local/bin/ztunnel

# Environment variable indicating the exact build, for debugging
ENV ISTIO_META_ISTIO_VERSION $istio_version

      ]
    }
  ],
  "node": {
    "id": "sidecar~127.0.0.1~pod1.fake-namespace~fake-namespace.svc.cluster.local",
    "metadata": {
      "GENERATOR": "grpc",
      "INSTANCE_IPS": "127.0.0.1",
      "ISTIO_VERSION": "version",
      "PILOT_SAN": [
        "istiod.istio-system.svc"
      ]
    },
    "locality": {},
    "UserAgentVersionType": null
  },
  "certificate_providers": {
    "default": {

{
    "bootstrap": {
        "node": {
            "metadata": {
                    "ISTIO_PROXY_SHA": "istio-proxy:436f365a8007cd8a13a9f1321e7cce94bcc8883e",
                    "ISTIO_VERSION": "1.10.0"
                },
            "userAgentBuildVersion": {
                "version": {
                    "majorNumber": 1,
                    "minorNumber": 18,
                    "patch": 3
                },
                "metadata": {

      "bootstrap": {
        "node": {
          "metadata": {
            "ISTIO_PROXY_SHA": "istio-proxy:436f365a8007cd8a13a9f1321e7cce94bcc8883e",
            "ISTIO_VERSION": "1.10.0"
          },
          "userAgentBuildVersion": {
            "version": {
              "majorNumber": 1,
              "minorNumber": 18,
              "patch": 3
            },

		// Base distribution picks which variant to build
		"BASE_DISTRIBUTION": baseDist,
		// Additional metadata injected into some images
		"proxy_version":    args.ProxyVersion,
		"ztunnel_version":  args.ZtunnelVersion,
		"istio_version":    args.IstioVersion,
		"VM_IMAGE_NAME":    vmImageName(target),
		"VM_IMAGE_VERSION": vmImageVersion(target),
	}
	// Only needed for crane - buildx does it automagically
	if architecture != "" {

    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },

    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },

    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },