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": {

    "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": {
    },

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

    "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": {
    },