Identify AWS regions a particular instance type is available

aws_check_instance_availability.sh

####################
# IAM user need to have "ec2:DescribeInstanceTypeOfferings" permission to be able to run this
####################

#!/bin/bash

instance_type=g5g.2xlarge

echo "Region               $instance_type Availability"
echo "------               -------------------------"

aws ec2 describe-regions --query "Regions[].RegionName" --output text | tr '\t' '\n' | while read region; do
    
    availability=$(aws ec2 describe-instance-type-offerings --region "$region" --location-type region --filters Name=instance-type,Values=$instance_type --query "InstanceTypeOfferings[]" --output text)

    if [[ -z $availability ]]; then
        echo "$region               False"
    else
        echo "$region               True"
    fi
done