classic-elb-nobackends.sh

#!/bin/bash

function get_classic_elb_backend_counts(){
    region=${2:-us-west-2}
    aws --profile $1 --region $region elb describe-load-balancers | \
            jq -r --arg profile "$1"  --arg region "$region" '.LoadBalancerDescriptions[] | [$profile, $region, .LoadBalancerName, (.Instances|length)] | @csv'
}

function aws_regions(){
    aws ec2 describe-regions | jq -r '.Regions[].RegionName'
}

function get_classic_elb_backend_counts_all_regions() {
    for region in $(aws_regions); do
        get_classic_elb_backend_counts $1 $region
    done
}

get_classic_elb_backend_counts_all_regions $1