bashio/lib/hardware.sh
2025-04-22 12:28:35 +02:00

90 lines
3.5 KiB
Bash

#!/usr/bin/env bash
# ==============================================================================
# Home Assistant Community Add-ons: Bashio
# Bashio is a bash function library for use with Home Assistant add-ons.
#
# It contains a set of commonly used operations and can be used
# to be included in add-on scripts to reduce code duplication across add-ons.
# ==============================================================================
# ------------------------------------------------------------------------------
# Returns a JSON object with hardware information about the system.
#
# Arguments:
# $1 Cache key to store results in (optional)
# $2 jq Filter to apply on the result (optional)
# ------------------------------------------------------------------------------
function bashio::hardware() {
local cache_key=${1:-'hardware.info'}
local filter=${2:-}
local info
local response
bashio::log.trace "${FUNCNAME[0]}" "$@"
if bashio::cache.exists "${cache_key}"; then
bashio::cache.get "${cache_key}"
return "${__BASHIO_EXIT_OK}"
fi
if bashio::cache.exists 'hardware.info'; then
info=$(bashio::cache.get 'hardware.info')
else
info=$(bashio::api.supervisor GET /hardware/info false)
if [ "$?" -ne "${__BASHIO_EXIT_OK}" ]; then
bashio::log.error "Failed to get hardware info from Supervisor API"
return "${__BASHIO_EXIT_NOK}"
fi
bashio::cache.set 'hardware.info' "${info}"
fi
response="${info}"
if bashio::var.has_value "${filter}"; then
response=$(bashio::jq "${info}" "${filter}")
fi
bashio::cache.set "${cache_key}" "${response}"
printf "%s" "${response}"
return "${__BASHIO_EXIT_OK}"
}
# ------------------------------------------------------------------------------
# Returns a list of available serial devices on the host system.
# ------------------------------------------------------------------------------
function bashio::hardware.serial() {
bashio::log.trace "${FUNCNAME[0]}"
bashio::hardware 'hardware.info.serial' '.serial[]'
}
# ------------------------------------------------------------------------------
# Returns a list of available input devices on the host system.
# ------------------------------------------------------------------------------
function bashio::hardware.input() {
bashio::log.trace "${FUNCNAME[0]}"
bashio::hardware 'hardware.info.input' '.input[]'
}
# ------------------------------------------------------------------------------
# Returns a list of available disk devices on the host system.
# ------------------------------------------------------------------------------
function bashio::hardware.disk() {
bashio::log.trace "${FUNCNAME[0]}"
bashio::hardware 'hardware.info.disk' '.disk[]'
}
# ------------------------------------------------------------------------------
# Returns a list of available GPIO on the host system.
# ------------------------------------------------------------------------------
function bashio::hardware.gpio() {
bashio::log.trace "${FUNCNAME[0]}"
bashio::hardware 'hardware.info.gpio' '.gpio[]'
}
# ------------------------------------------------------------------------------
# Returns a list of available USB devices on the host system.
# ------------------------------------------------------------------------------
function bashio::hardware.usb() {
bashio::log.trace "${FUNCNAME[0]}"
bashio::hardware 'hardware.info.usb' '.usb[]'
}