aws-desribe-instances.sh

#!/usr/bin/env bash

aws_region=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/[a-z]$//')
aws configure set default.region $aws_region
aws configure set default.output json

describe_instances(){
    local filter=$1
    local region=${2:-$aws_region}
    aws ec2 describe-instances --filters "Name=tag:Name,Values=$filter" "Name=instance-state-name,Values=running" \
    --query "sort_by(Reservations[].Instances[].{
    PrivateIp:NetworkInterfaces[0].PrivateIpAddress,
    Name:Tags[?Key=='Name'] | [0].Value,
    PublicIp:NetworkInterfaces[0].Association.PublicIp
    }, &Name)" --region $region
}