A bash script to be ran within a Cloud Service Provider's VM to identify the type of Cloud Provider and IMDS service used.

get_cloud_provider.sh

#!/usr/bin/env bash
set -e pipefail

function getCloudProvider() {
  if curl --fail -s -m 5 http://169.254.169.254/latest/meta-data/placement/availability-zone > /dev/null; then
    echo "aws_imdsv1"
  elif TOKEN=`curl --fail -s -m 5 -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 600"` \
    && curl --fail -s -m 5 -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/placement/availability-zone > /dev/null; then
    echo "aws_imdsv2"
  elif curl --fail -s -m 5 -H "Metadata:true" "http://169.254.169.254/metadata/instance?api-version=2017-08-01" > /dev/null; then
    echo "azure"
  elif curl --fail -s -m 5 -H "Metadata-Flavor: Google" http://metadata.google.internal/computeMetadata/v1/project/ > /dev/null; then
    echo "gcp"
  elif curl --fail -s -m 5 -H "Authorization: Bearer Oracle" -L http://169.254.169.254/opc/v2/instance/ > /dev/null; then
    echo "oci"
  else
    echo "unknown"
  fi
}