aws-select-profile

#!/usr/bin/env bash
# aws-select-profile - Use 'dialog' to select an AWS profile and export it into your current shell.
# 
# Assuming this script is in your PATH, simply run:
#   $ `aws-select-profile`
# or:
#   $ . aws-select-profile

[ "${DEBUG:-0}" = "1" ] && set -x

_cleanup () { [ -n "$_TMP" ] && rm -rf "$_TMP" ; } ; trap _cleanup EXIT
_list_profiles () {
    grep '^\[profile ' ~/.aws/config | cut -d ' ' -f 2 | cut -d ']' -f 1 | sort -u
}

declare -a profiles=()
for item in $(_list_profiles) ; do
    profiles+=("$item" "$item")
done

_TMP=`mktemp`
dialog --stdout --backtitle "AWS Profile" --menu "Select an AWS Profile to export" 25 80 20 "${profiles[@]}" > "$_TMP"
selected="$(cat "$_TMP")"

export AWS_PROFILE="$selected"
echo "export AWS_PROFILE=$selected"

if aws --profile "$selected" configure list | grep -q -e "region.*<not set>" ; then
    declare -a regions=()
    for region in $(aws --region us-east-1 ec2 describe-regions --query 'Regions[*].RegionName' --output text) ; do
        regions+=("$region" "$region")
    done
    dialog --stdout --backtitle "AWS Region" --menu "Select a default AWS Region" 25 80 20 "${regions[@]}" > "$_TMP"
    selected="$(cat "$_TMP")"
    if [ -n "${selected:-}" ] ; then
        export AWS_DEFAULT_REGION="$selected"
        echo "export AWS_DEFAULT_REGION=$selected"
    fi
fi