nut: Use 'real' procd init for nut-monitor

This fully procdifies nut-monitor, which fixes some issues with
very slow restarts (due to /lib/functions/procd.sh using a very
long delay for non-native scripts doing restart) as well as gives
respawning, etc.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

net/nut/files/nut-monitor.init

@@ -126,12 +126,6 @@ nut_upsmon_add() {
 	local password
 	local system
 
-	# if UPSMON_C is a symlink we're only doing generated config
-	[ -L $UPSMON_C ] && {
-		rm -f $UPSMON_C
-		nut_upsmon_conf ""
-	}
-
 	config_get upsname "$cfg" upsname
 	config_get hostname "$cfg" hostname localhost
 	config_get port "$cfg" port
@@ -145,37 +139,46 @@ nut_upsmon_add() {
 	echo "MONITOR $system $powervalue $username $password $type" >> $UPSMON_C
 }
 
-start_service() {
-	mkdir -p "$(dirname "$UPSMON_C")"
-	chmod 750 "$(dirname "$UPSMON_C")"
+build_config() {
+	local runas
+	mkdir -m 0750 -p "$(dirname "$UPSMON_C")"
 
 	config_load nut_monitor
-
 	config_foreach nut_upsmon_conf upsmon
 	config_foreach nut_upsmon_add master master
 	config_foreach nut_upsmon_add slave slave
 
-	[ -z "$(cat /var/etc/nut/nut.conf)" ] && echo "MODE=netclient" >>/var/etc/nut/nut.conf
-
-	chmod 640 $UPSMON_C
-	chmod 640 /var/etc/nut/nut.conf
-
-	chown ${runas:-root}:$(id -gn ${runas:-root}) /var/etc/nut
-	chown ${runas:-root}:$(id -gn ${runas:-root}) /var/etc/nut/nut.conf
-	chown ${runas:-root}:$(id -gn ${runas:-root}) $UPSMON_C
-
-	[ -d /var/run/nut ] || {
-		mkdir -m 0750 -p /var/run/nut
-		chown ${runas:-root}:$(id -gn ${runas:-root}) /var/run/nut
+	[ -z "$(cat /var/etc/nut/nut.conf)" ] && {
+		echo "MODE=netclient" >>/var/etc/nut/nut.conf
+		chmod 640 /var/etc/nut/nut.conf
+		chgrp $(id -gn ${runas:-root}) /var/etc/nut/nut.conf
 	}
 
-	exec $DEBUG /usr/sbin/upsmon $UPSMON_OPTIONS
+	chmod 640 "$UPSMON_C"
+	chgrp $(id -gn ${runas:-root}) "$UPSMON_C"
 }
 
-stop_service() {
-	exec /usr/sbin/upsmon -c stop
+start_service() {
+	build_config
+	procd_open_instance
+	procd_set_param respawn
+	procd_set_param stderr 0
+	procd_set_param stdout 1
+	procd_set_param command /usr/sbin/upsmon -D
+	procd_close_instance
 }
 
 reload_service() {
-	exec /usr/sbin/upsmon -c reload
+	if pgrep upsmon >/dev/null 2>/dev/null; then
+		build_config
+		upsmon -c reload
+	else
+		stop
+		sleep 1
+		start
+	fi
+}
+
+service_triggers() {
+	procd_add_reload_trigger nut_monitor
 }

net/nut/files/nut_monitor

@@ -51,4 +51,3 @@
 #	option powervalue 1
 #	option username upsuser
 #	option password upspassword
-