Revisioni di mqtt_shutdown_listen.sh

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1 file changed, 50 insertions

mqtt_shutdown_listen.sh(file creato)

		@@ -0,0 +1,50 @@
1	+	#!/usr/bin/env zsh
2	+
3	+
4	+	if [ -z "$RASPISTUFF_DIR" ];then
5	+	export RASPISTUFF_DIR="$(cd "$(dirname "$(readlink -f "${(%):-%x}")")" && pwd)"
6	+	fi
7	+
8	+
9	+	cd $RASPISTUFF_DIR
10	+
11	+
12	+	if [ ! -f "$RASPISTUFF_DIR/secret/credentials_mqtt.sh" ]; then
13	+	echo "$RASPISTUFF_DIR/secret/credentials_mqtt.sh not found. Will NOT listen for MQTT."
14	+	exit 1
15	+	fi
16	+
17	+	source $RASPISTUFF_DIR/secret/credentials_mqtt.sh
18	+
19	+	shutdown_if_needed() {
20	+
21	+	local payload=$1
22	+	echo "TOPIC $MQTT_TOPIC is now = $1"
23	+	if [ "$payload" = "1" ]; then
24	+	echo "Shutdown command received. Shutting down the system..."
25	+
26	+	MSG_TITLE="✋ Shutdown $(hostname)"
27	+	MSG_TEXT="MQTT Shutdown requested in $MQTT_TOPIC"
28	+
29	+	NOTIFY_SCRIPT="$RASPISTUFF_DIR/notify.sh"
30	+	#Requires MSG_TITLE and $MSG_TEXT to be defined!
31	+	source "$NOTIFY_SCRIPT"
32	+
33	+	echo "Will shutdown in 5 seconds..."
34	+	sleep 5
35	+	sudo shutdown -h now "MQTT requested shutdown in topic $MQTT_TOPIC"
36	+	fi
37	+	}
38	+
39	+	while true; do
40	+
41	+	echo "listening to topic $MQTT_TOPIC "
42	+	mosquitto_sub -h "$MQTT_BROKER" -p "$MQTT_PORT" -t "$MQTT_TOPIC" -u "$MQTT_USER" -P "$MQTT_PASSWORD" \| while read -r payload
43	+	do
44	+	shutdown_if_needed "$payload"
45	+	done
46	+
47	+	echo "mosquitto client EXITEDi will try again in 5 minute"
48	+
49	+	sleep 300
50	+	done

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