OpenNebula iso check hook

iso_check.sh

#!/bin/bash
#IMAGE_HOOK = [
#    name      = "iso_check",
#    on        = "CREATE",
#    command   = "iso_check.sh",
#    arguments = "$ID $TEMPLATE" ]

IMAGE_ID="$1"
TEMPLATE="$2"

SOURCE="$(echo $TEMPLATE | base64 -d | grep -m1 -oP '(?<=<SOURCE><!\[CDATA\[).*(?=\]\]></SOURCE>)')"
TYPE="$(echo $TEMPLATE | base64 -d | grep -m1 -oP '(?<=<TYPE>).*(?=</TYPE>)')"
DATASTORE_ID="$(echo $TEMPLATE | base64 -d | grep -m1 -oP '(?<=<DATASTORE_ID>).*(?=</DATASTORE_ID>)')"

if [[ "$TYPE" == "1" ]]; then
    EDITOR="echo LABELS=iso >" oneimage update --append $IMAGE_ID
    exit 0
fi

ISO_ONLY=($(onedatastore show -x $DATASTORE_ID | grep -m1 -oP '(?<=<ISO_ONLY><!\[CDATA\[).*(?=\]\]></ISO_ONLY>)'))

[[ "$ISO_ONLY" != "yes" ]] && exit 0

#oneimage delete "$IMAGE_ID"
oneimage chtype "$IMAGE_ID" CDROM
EDITOR="echo LABELS=iso >" oneimage update --append $IMAGE_ID