EOF
}

function ips_to_cidrs() {
  IP_RANGE_START="$1"
  IP_RANGE_END="$2"
  python3 - <<EOF
from ipaddress import summarize_address_range, IPv4Address
[ print(n.compressed) for n in summarize_address_range(IPv4Address(u'$IP_RANGE_START'), IPv4Address(u'$IP_RANGE_END')) ]
EOF

# shellcheck disable=SC1001
LATEST_DEB11_DISTROLESS_SHA256=$(crane digest gcr.io/distroless/static-debian11 | awk -F\: '{print $2}')
sed -i -E "s/sha256:[a-z0-9]+/sha256:${LATEST_DEB11_DISTROLESS_SHA256}/g" docker/Dockerfile.distroless

# shellcheck disable=SC1001
LATEST_IPTABLES_DISTROLESS_SHA256=$(crane digest gcr.io/istio-release/iptables | awk -F\: '{print $2}')