#!/usr/bin/env bash

# CONSTANTS

CONTAINER_NAME=$1

# FUNCTIONS

function usage {
	echo "$(basename "$0") <CONTAINER_NAME>|--all"
}

function lookup {
	cmd="pvesh get /cluster/resources --type vm --output=json | jq --raw-output '.[] | \"\(.name) \(.vmid)\"'"
	if [[ $CONTAINER_NAME == "--all" ]]; then
		eval "$cmd"	
	else
		cmd="$cmd | egrep '^$CONTAINER_NAME '"
		found=$(eval "$cmd") || ( >&2 echo "ERROR: container <$CONTAINER_NAME> not found!" && exit 10 )
		echo "$found" | cut -d' ' -f2
	fi
}


# MAIN

set -Eue
[[ "$#" -lt 1 ]] && usage && exit 1
lookup