prune-lambda-versions.sh

#!/bin/bash

versions_json="/tmp/lambda-versions.json"
for function in $(aws lambda list-functions | jq -r ".Functions[].FunctionName" | grep ppap-api-)
do
	echo "${function}"
	aws lambda list-versions-by-function --function-name "${function}" > "${versions_json}"

	while :
	do
		for version in $(cat "${versions_json}" | jq -r .Versions[].Version | grep -v LATEST)
		do
			echo -e "\tdelete version ${function}:${version}"
			aws lambda delete-function --function-name "${function}" --qualifier "${version}"
		done
		marker=$(cat "${versions_json}" | jq -r .NextMarker)

		if [[ "${marker}" = "null" ]]; then
			break
		else
			echo "has marker: ${marker}"
			aws lambda list-versions-by-function --function-name "${function}" --marker "${marker}"> "${versions_json}"
		fi

	done
done