List EC2 instances

ec2ls.sh

#!/bin/bash
#
# USAGE: ec2ls sa-east-1
# OUTPUT:
# Id                   ImageId       Type        PublicIp       PrivateIp       PrivateDNS
# i-0XX326X41X0254X25  ami-999X105X  t2.small    null           192.168.1.111   ip-192-168-1-111.sa-east-1.compute.internal
# 
#

aws --region $1 ec2 describe-instances \
  | jq '.Reservations[].Instances[] | "\(.InstanceId) \(.ImageId) \(.InstanceType) \(.PublicIpAddress) \(.PrivateIpAddress) \(.PrivateDnsName)"' \
  | sed -e 's/\"//g' \
  | column -t -N Id,ImageId,Type,PublicIp,PrivateIp,PrivateDNS