When a non-x86 platform is detected, cloud-init grants root access to a hardcoded url with a local IP address. To prevent this, cloud-init default configurations disable platform enumeration.
{
"binaries": [
{
"binary_name": "cloud-init",
"binary_version": "21.1-19-gbad84ad4-0ubuntu1~16.04.4+esm2"
},
{
"binary_name": "ec2-init",
"binary_version": "21.1-19-gbad84ad4-0ubuntu1~16.04.4+esm2"
},
{
"binary_name": "grub-legacy-ec2",
"binary_version": "21.1-19-gbad84ad4-0ubuntu1~16.04.4+esm2"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}