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#!/bin/sh
# In recent (relevant) versions of shellcheck busybox is a valid shell type
# shellcheck shell=busybox
# uci-defaults script to setup upsmon notifications using upssched
# applied during install or on first boot after install, if setting on install
# fails. Expects nut-notify-exec to also be run in uci-defaults.
# IPKG_INSTROOT is intentionally only set when building an image and
# is intentionally empty on a live OpenWrt device
# Shellcheck source paths intentionally point to the location of files of
# the scripts in the development environment (where shellcheck is used), not
# on the live OpenWrt device.
# This script lives in the nut-upssched package, which is independent of the
# nut-sendmail-notify package in which nut-sendmail-notify.default lives
# In the nut-upssched package, this script lives in
# /etc/uci-defaults/80-nut-sched
# The separate packages limit the opportunities for code-sharing across the
# scripts.
# Only run this uci-defaults script on a live OpenWrt device
[ -z "${IPKG_INSTROOT}" ] || exit 0
# shellcheck source=net/nut/files/functions.sh.functions
. /lib/functions.sh || {
logger -s -t nut-sched "FATAL: Unable to source 'functions.sh'" || true
exit 1
}
# Flags for existing notifycmd
SKIP_ADD_NOTIFYCMD="false"
# Load and process nut_monitor (upsmon) configuration
config_load nut_monitor || {
logger -s -t nut-sched "FATAL: loading 'nut_monitor' failed" || true
exit 1
}
config_get val "upsmon" notifycmd
# shellcheck disable=SC2154
if [ -n "${val}" ]; then
SKIP_ADD_NOTIFYCMD="true"
fi
# If notification command is not set, set it
if [ "${SKIP_ADD_NOTIFYCMD}" = "false" ]; then
# Ensure upsmon type section with the name upsmon exists
uci set "nut_monitor.upsmon=upsmon" || {
logger -s -t nut-sched "Failed to ensure an upsmon section named upsmon exists" || true
exit 1
}
uci set "nut_monitor.upsmon.notifycmd=/usr/sbin/upssched" || {
logger -s -t nut-sched "Failed to set notifycmd to upssched" || true
uci revert nut_monitor || true
exit 1
}
uci commit nut_monitor || {
logger -s -t nut-sched "Failed to commit changes to nut_monitor" || true
exit 1
}
fi
exit 0
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