A kubectl plugin to decode secrets created by Helm

DecodeHelmSecrets.sh

#!/bin/bash

# get helm secrets from Kubernetes cluster
SECRET=$(kubectl get secret $1 -o jsonpath='{ .data.release }' ) 

# decode the secrets
DECODED_SECRET=$(echo $SECRET | base64 -d | base64 -d | gunzip -c )

# parse the decoded secrets, pulling out the templates and removing whitespace
DATA=$(echo $DECODED_SECRET | jq '.chart.templates[]' | tr -d '[:space:]' )

# assign each entry in templates to an array
ARRAY=($(echo $DATA | tr '} {' '\n'))

# loop through each entry in the array
for i in "${ARRAY[@]}"
do
        # splitting name and data into separate items in another array
        ITEMS=($(echo $i | tr ',' '\n'))

        # parsing the name field
        echo "${ITEMS[0]}" | sed -e 's/name/""/g; s/templates/""/g' | tr -d '/:"'

        # decoding and parsing the data field
        echo "${ITEMS[1]}" | sed -e 's/data/""/g' | tr -d '":' | base64 -d

        # adding a blank line at the end
        echo ''
done