#!/bin/bash

function formatprint() {
	cat - > /tmp/formatprint.tmp
	echo "# $1 ($(cat /tmp/formatprint.tmp | wc -l))"
	#cat /tmp/formatprint.tmp | sed -e 's/^/  /g' 
	cat /tmp/formatprint.tmp | column -t -s, | sed -e 's/^/  /g' 
	rm -f /tmp/formatprint.tmp
}

function listEc2() {
	aws --region=$1 ec2 describe-instances --query 'Reservations[*].Instances[*].[InstanceId, Tags[?Key==`Name`].Value[] | [0], PlatformDetails, InstanceType,PrivateIpAddress, PublicIpAddress, Placement.AvailabilityZone]' --output json | jq -cr '.[][] | @csv' | tr -d '[\" '  
}

export -f formatprint
export -f listEc2

# Generate inventory of ec2 in all regions

echo "InstanceId,NameTag,OsPlatform,InstanceType,PrivateIp,PublicIp,AZ"
aws --region=us-east-1 ec2 describe-regions --query Regions[].RegionName --output text | sed -e 's/\t/\n/g' | while read r; do
	sem -j6 listEc2 $r
done

sem --wait