#!/usr/bin/env bash

# CONSTANTS

CONTAINER_NAME=$1

# FUNCTIONS

function usage {
	echo "$(basename "$0") [CONTAINER_NAME]"
}

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") || (echo >&2 "ERROR: container <$CONTAINER_NAME> not found!" && exit 10)
		echo "$found" | cut -d' ' -f2
	fi
}

function list {
	containers=$(lxc-ls "$CONTAINER_NAME")
	for id in $containers; do
		info=$(lxc-info -si $id)
		state=$(echo "$info" | grep '^State:') && state="${state:15}" # remove 15 leading chars
		hostname=$(grep -m1 hostname: "/etc/pve/lxc/$id.conf" | cut -d' ' -f2)
		ip=$(echo "$info" | grep '^IP:') && ip="${ip:15}"
		printf '%-5s %-30s %s %s\n' "$id" "$hostname" "$state" "$ip"
	done
}

# MAIN

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