#!/bin/bash
# This file is part of cloud-init. See LICENSE file for license information.

# This script checks if cloud-init has hotplug hooked and if
# cloud-init has finished; if so invoke cloud-init hotplug-hook

is_finished() {
    [ -e /run/cloud-init/result.json ]
}

hotplug_enabled() {
    [ "$(cloud-init devel hotplug-hook -s "${SUBSYSTEM}" query)" == "enabled" ]
}

if is_finished && hotplug_enabled; then
    # open cloud-init's hotplug-hook fifo rw
    exec 3<>/run/cloud-init/hook-hotplug-cmd
    env_params=(
        --subsystem="${SUBSYSTEM}"
        handle
        --devpath="${DEVPATH}"
        --udevaction="${ACTION}"
    )
    # write params to cloud-init's hotplug-hook fifo
    echo "${env_params[@]}" >&3
fi