Upload SSH Key to AWS Regions

upload-key-aws-regions

#!/bin/bash

## Specify as the 1st parameter the keyname to display in AWS;
## use 1st param or current user
aws_keypair_name="${1:-$USER}"
## Specify as the 2nd parameter the full path to ssh public key file name to upload to AWS;
## use 2nd param or default id_rsa.pub will be used.
publickeyfile="${2:-$HOME/.ssh/id_rsa.pub}"
keydata=$(cat $publickeyfile | base64)
regions=$(aws ec2 describe-regions \
  --output text \
  --query 'Regions[*].RegionName')
for region in $regions; do
  echo $region
  aws ec2 import-key-pair \
    --region "$region" \
    --key-name "$aws_keypair_name" \
    --public-key-material "$keydata"
done