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nebuleair_pro_4g/boot_hotspot.sh
Your Name 5cf37c3cee update
2025-11-03 17:45:18 +01:00

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#!/bin/bash
# Script to check if wifi is connected and start hotspot if not
# will also retreive unique RPi ID and store it to deviceID.txt
# script that starts at boot:
# @reboot /var/www/nebuleair_pro_4g/boot_hotspot.sh >> /var/www/nebuleair_pro_4g/logs/app.log 2>&1
OUTPUT_FILE="/var/www/nebuleair_pro_4g/wifi_list.csv"
echo "-------------------"
echo "-------------------"
echo "NebuleAir pro started at $(date)"
chmod -R 777 /var/www/nebuleair_pro_4g/
# Blink GPIO 23 and 24 five times
for i in {1..5}; do
# Turn GPIO 23 and 24 ON
gpioset gpiochip0 23=1
gpioset gpiochip0 24=1 #echo "LEDs ON"
sleep 1
# Turn GPIO 23 and 24 OFF
gpioset gpiochip0 23=0
gpioset gpiochip0 24=0
#echo "LEDs OFF"
sleep 1
done
echo "getting RPI serial number"
# Get the last 8 characters of the serial number and write to text file
serial_number=$(cat /proc/cpuinfo | grep Serial | awk '{print substr($3, length($3) - 7)}')
# update Sqlite database
echo "Updating SQLite database with device ID: $serial_number"
sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "UPDATE config_table SET value='$serial_number' WHERE key='deviceID';"
echo "id: $serial_number"
# Get SSH tunnel port from SQLite config_table
SSH_TUNNEL_PORT=$(sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "SELECT value FROM config_table WHERE key='sshTunnel_port'")
#need to wait for the network manager to be ready
sleep 20
# Get the connection state of wlan0
STATE=$(nmcli -g GENERAL.STATE device show wlan0)
# Check if the state is 'disconnected'
if [ "$STATE" == "30 (disconnected)" ]; then
echo "wlan0 is disconnected."
echo "need to perform a wifi scan"
# Perform a wifi scan and save its output to a csv file
# nmcli device wifi list
nmcli -f SSID,SIGNAL,SECURITY device wifi list | awk 'BEGIN { OFS=","; print "SSID,SIGNAL,SECURITY" } NR>1 { print $1,$2,$3 }' > "$OUTPUT_FILE"
# Start the hotspot
echo "Starting hotspot..."
sudo nmcli device wifi hotspot ifname wlan0 ssid nebuleair_pro password nebuleaircfg
# Update SQLite to reflect hotspot mode
sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "UPDATE config_table SET value='hotspot' WHERE key='WIFI_status'"
else
echo "🛜Success: wlan0 is connected!🛜"
CONN_SSID=$(nmcli -g GENERAL.CONNECTION device show wlan0)
echo "Connection: $CONN_SSID"
# Update SQLite to reflect hotspot mode
sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "UPDATE config_table SET value='connected' WHERE key='WIFI_status'"
# Lancer le tunnel SSH
#echo "Démarrage du tunnel SSH sur le port $SSH_TUNNEL_PORT..."
# Start the SSH agent if it's not already running
#eval "$(ssh-agent -s)"
# Add your SSH private key
#ssh-add /home/airlab/.ssh/id_rsa
#connections details
#REMOTE_USER="airlab_server1" # Remplacez par votre nom d'utilisateur distant
#REMOTE_SERVER="aircarto.fr" # Remplacez par l'adresse de votre serveur
#LOCAL_PORT=22 # Port local à rediriger
#MONITOR_PORT=0 # Désactive la surveillance de connexion autossh
#autossh -M "$MONITOR_PORT" -f -N -R "$SSH_TUNNEL_PORT:localhost:$LOCAL_PORT" "$REMOTE_USER@$REMOTE_SERVER" -p 50221
# ssh -f -N -R 52221:localhost:22 -p 50221 airlab_server1@aircarto.fr
#ssh -i /var/www/.ssh/id_rsa -f -N -R "$SSH_TUNNEL_PORT:localhost:$LOCAL_PORT" -p 50221 -o StrictHostKeyChecking=no "$REMOTE_USER@$REMOTE_SERVER"
#Check if the tunnel was created successfully
#if [ $? -eq 0 ]; then
# echo "Tunnel started successfully!"
#else
# echo "Error: Unable to start the tunnel!"
# exit 1
#fi
fi
echo "-------------------"