See how many application versions each Elastic Beanstalk application is using from the command line. Useful for monitoring how close we are to AWS Service Limits.

eb-versions.sh

#!/bin/bash

# Requires AWS CLI Tools (https://aws.amazon.com/cli) and jq (https://stedolan.github.io/jq)
# AWS CLI must be configured with access key with approperiate role/permissions

aws elasticbeanstalk describe-application-versions --query "ApplicationVersions[*].ApplicationName" | jq '{"total": length, "lists": group_by(.)} | {"Applications": [ (.lists[] | {"Application": .[0], "Versions": length })], "Total Versions": .total }'