extract (k8s) kind and optionally name from yaml

extract.sh

#!/usr/bin/env bash
# https://gist.githubusercontent.com/nielswind/8a9e2ae451ff6b690f9baff6a28851ba/raw/extract.sh

function depcheck() {
  local DEPS=($*)
  for cmd in "${DEPS[@]}"
  do
    [[ $(command -v $cmd 2>/dev/null) ]] || { echo -en "\n$cmd needs to be installed.";fail=1; }
  done
  [[ $fail -ne 1 ]] || { echo -en "\n${0}: Install the above and rerun this script\n";exit 1; }
}

depcheck yq

[[ "$#" -lt 1 || "$#" -gt 2 ]] && { echo "Usage: ${0##*/} Kind [Name]"; echo  "Note: reads from stdin"; exit 1; }

export K=$1 
export N=$2

IFS=
out=$(cat <(yq e '. | select(.kind == env(K))'))
[[ "$#" -eq 2 ]] &&  out=$(echo $out | yq e '. | select(.metadata.name == env(N))') 

echo $out