A small bash script to tidly base64 decode secrets

kubectl-decodesecret

#!/bin/bash

POSITIONAL_ARGS=()
NAMESPACE=default

while [[ $# -gt 0 ]]; do
  case $1 in
    -n|--namespace)
      NAMESPACE="$2"
      shift # past argument
      shift # past value
      ;;
    *)
      POSITIONAL_ARGS+=("$1") # save positional arg
      shift # past argument
      ;;
  esac
done

set -- "${POSITIONAL_ARGS[@]}"
SECRET="$1"

kubectl -n "${NAMESPACE:-default}" get secrets "$SECRET" -o=go-template='{{ range $key, $value := .data }}{{ $key }}={{ base64decode $value }}{{ "\n" }}{{ end }}'