Import public key to all EC2 regions. Required ec2-tools. Dedicated to @whiteley

import-keypair

#!/bin/sh
#
# Imports a public key to all EC2 regions.
#
# Usage:
#    sh import-keypair <name> <path>
#
# Example:
#    sh import-keypair foo ~/.ssh/foo.pub
#

if [ "x$1x" = "xx" ] ; then
   printf "You must specify the keypair name\n"
   exit 1
fi
if [ "x$2x" = "xx" ] ; then
   printf "You must specify the path to your public key\n"
   exit 1
fi

name=$1
location=$2
regions=$(ec2-describe-regions | cut -f2 | xargs)

for region in $regions ; do
   ec2-import-keypair --region=$region -f $location $name
done