$ python3 -c "from cloudinit.ec2_utils import get_instance_metadata as gm, json; print(json.dumps(gm(), indent=1, sort_keys=True))"
{
 "ami-id": "ami-6e1a0117",
 "ami-launch-index": "0",
 "ami-manifest-path": "(unknown)",
 "block-device-mapping": {
  "ami": "/dev/sda1",
  "ephemeral0": "sdb",
  "root": "/dev/sda1"
 },
 "hostname": "ip-172-31-4-69.us-west-2.compute.internal",
 "instance-action": "none",
 "instance-id": "i-0d76d6ccc12b0c74e",
 "instance-type": "i3.large",
 "local-hostname": "ip-172-31-4-69.us-west-2.compute.internal",
 "local-ipv4": "172.31.4.69",
 "mac": "0a:fc:7f:6b:07:42",
 "metrics": {
  "vhostmd": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 },
 "network": {
  "interfaces": {
   "macs": {
    "0a:fc:7f:6b:07:42": {
     "device-number": "0",
     "interface-id": "eni-49450a49",
     "ipv4-associations": {
      "54.244.151.78": "172.31.4.69"
     },
     "local-hostname": "ip-172-31-4-69.us-west-2.compute.internal",
     "local-ipv4s": "172.31.4.69",
     "mac": "0a:fc:7f:6b:07:42",
     "owner-id": "365149455993",
     "public-hostname": "ec2-54-244-151-78.us-west-2.compute.amazonaws.com",
     "public-ipv4s": "54.244.151.78",
     "security-group-ids": "sg-f17ce78b",
     "security-groups": "launch-wizard-4",
     "subnet-id": "subnet-10931d4b",
     "subnet-ipv4-cidr-block": "172.31.0.0/20",
     "vpc-id": "vpc-72943214",
     "vpc-ipv4-cidr-block": "172.31.0.0/16",
     "vpc-ipv4-cidr-blocks": "172.31.0.0/16"
    }
   }
  }
 },
 "placement": {
  "availability-zone": "us-west-2c"
 },
 "profile": "default-hvm",
 "public-hostname": "ec2-54-244-151-78.us-west-2.compute.amazonaws.com",
 "public-ipv4": "54.244.151.78",
 "public-keys": {
  "lp_raharper": [
   "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDeShzUvzOCPWKyfRt0IsiO4//nyDwe6JgL0ZTHO+Wq1nRsuwysdoX9sAMlhAdgx3q6qbJu6Xa3ug1c4rqyszBBovsoOieF4ZzZzrPV4ekzzAaPB5jqCIRostiIimTnxOrnyRtdZ0F81q1jzL9SfyzlzhIVYvdcleEE8c2ziaNZfAeL/cD9MB9jCcxRTNuMQw27QE2yQ4na2YAm3tB0l6vDfiLIx9hstgwyj13I5VsFcoHNohyN0R+Fq6/Zz5rOHiUieiMcs0+b/khnfYKuqygQRpPWAl35OVJUSUgVnbRQsM9TstOfy5IxFxI5oBtueVX1ZUp/xibsZo/1V3dJkKet lp_raharper"
  ]
 },
 "reservation-id": "r-00f9e718c2d4576f1",
 "security-groups": "launch-wizard-4",
 "services": {
  "domain": "amazonaws.com",
  "partition": "aws"
 }
}