Recursively search a key-value storage in Vault for a regex

vault_grep.sh

#!/bin/bash

prefix_input="$1"
prefix=${prefix_input:=puppet/vault_hiera/}

read -p "Regex to search: " search

search_for_keys() {
	if grep -q '\/$' <<< $1; then
		subkeys=`vault kv list $1 | sed '1,2d'`
		for subkey in $subkeys; do
			search_for_keys "${1}${subkey}"
		done
	else
		if egrep -q "$search" <<< `vault kv get -field=value $1 2>/dev/null`; then
			printf "$1\n"
		fi
	fi
}

root_keys=`vault kv list $prefix | sed '1,2d'`
for key in $root_keys; do
	search_for_keys "${prefix}${key}"
done