130 lines
5.0 KiB
Bash
Executable File
130 lines
5.0 KiB
Bash
Executable File
#!/bin/bash
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# Script to check if wifi is connected and start hotspot if not
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# will also retreive unique RPi ID and store it to deviceID.txt
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# script that starts at boot:
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# @reboot /var/www/nebuleair_pro_4g/boot_hotspot.sh >> /var/www/nebuleair_pro_4g/logs/app.log 2>&1
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OUTPUT_FILE="/var/www/nebuleair_pro_4g/wifi_list.csv"
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echo "-------------------"
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echo "-------------------"
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echo "NebuleAir pro started at $(date)"
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chmod -R 777 /var/www/nebuleair_pro_4g/
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# Blink GPIO 23 and 24 five times (starts OFF, stays OFF at end)
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#gpioset -c gpiochip0 -t 1s,1s,1s,1s,1s,1s,1s,1s,1s,1s,0 23=0 24=0
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# Blink GPIO 23 and 24 five times (starts OFF, stays OFF at end)
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python3 << 'EOF'
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import RPi.GPIO as GPIO
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import time
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GPIO.setmode(GPIO.BCM)
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GPIO.setwarnings(False)
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GPIO.setup(23, GPIO.OUT)
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GPIO.setup(24, GPIO.OUT)
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for _ in range(5):
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GPIO.output(23, GPIO.HIGH)
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GPIO.output(24, GPIO.HIGH)
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time.sleep(1)
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GPIO.output(23, GPIO.LOW)
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GPIO.output(24, GPIO.LOW)
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time.sleep(1)
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GPIO.cleanup()
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EOF
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echo "getting RPI serial number"
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# Get the last 8 characters of the serial number and write to text file
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serial_number=$(cat /proc/cpuinfo | grep Serial | awk '{print substr($3, length($3) - 7)}')
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# update Sqlite database (only if not already set, i.e., still has default value 'XXXX')
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echo "Updating SQLite database with device ID: $serial_number"
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sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "UPDATE config_table SET value='$serial_number' WHERE key='deviceID' AND value='XXXX';"
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echo "id: $serial_number"
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# Get deviceID from SQLite config_table (may be different from serial_number if manually configured)
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DEVICE_ID=$(sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "SELECT value FROM config_table WHERE key='deviceID'")
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echo "Device ID from database: $DEVICE_ID"
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# Get deviceName from SQLite config_table for use in hotspot SSID
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DEVICE_NAME=$(sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "SELECT value FROM config_table WHERE key='deviceName'")
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echo "Device Name from database: $DEVICE_NAME"
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# Get SSH tunnel port from SQLite config_table
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SSH_TUNNEL_PORT=$(sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "SELECT value FROM config_table WHERE key='sshTunnel_port'")
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#need to wait for the network manager to be ready
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sleep 20
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# IMPORTANT: Always enable WiFi radio at boot (in case it was disabled by power save)
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WIFI_RADIO_STATE=$(nmcli radio wifi)
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echo "WiFi radio state: $WIFI_RADIO_STATE"
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if [ "$WIFI_RADIO_STATE" == "disabled" ]; then
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echo "WiFi radio is disabled, enabling it..."
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nmcli radio wifi on
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# Wait longer for NetworkManager to scan and reconnect to known networks
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echo "Waiting 15 seconds for WiFi to reconnect to known networks..."
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sleep 15
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else
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echo "WiFi radio is already enabled"
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fi
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# Get the connection state of wlan0
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STATE=$(nmcli -g GENERAL.STATE device show wlan0)
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# Check if the state is 'disconnected'
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if [ "$STATE" == "30 (disconnected)" ]; then
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echo "wlan0 is disconnected."
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echo "need to perform a wifi scan"
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# Perform a wifi scan and save its output to a csv file
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# nmcli device wifi list
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nmcli -f SSID,SIGNAL,SECURITY device wifi list | awk 'BEGIN { OFS=","; print "SSID,SIGNAL,SECURITY" } NR>1 { print $1,$2,$3 }' > "$OUTPUT_FILE"
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# Start the hotspot with SSID based on deviceName
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echo "Starting hotspot with SSID: $DEVICE_NAME"
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sudo nmcli device wifi hotspot ifname wlan0 ssid "$DEVICE_NAME" password nebuleaircfg
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# Update SQLite to reflect hotspot mode
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sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "UPDATE config_table SET value='hotspot' WHERE key='WIFI_status'"
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else
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echo "🛜Success: wlan0 is connected!🛜"
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CONN_SSID=$(nmcli -g GENERAL.CONNECTION device show wlan0)
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echo "Connection: $CONN_SSID"
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# Update SQLite to reflect hotspot mode
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sqlite3 /var/www/nebuleair_pro_4g/sqlite/sensors.db "UPDATE config_table SET value='connected' WHERE key='WIFI_status'"
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# Lancer le tunnel SSH
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#echo "Démarrage du tunnel SSH sur le port $SSH_TUNNEL_PORT..."
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# Start the SSH agent if it's not already running
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#eval "$(ssh-agent -s)"
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# Add your SSH private key
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#ssh-add /home/airlab/.ssh/id_rsa
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#connections details
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#REMOTE_USER="airlab_server1" # Remplacez par votre nom d'utilisateur distant
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#REMOTE_SERVER="aircarto.fr" # Remplacez par l'adresse de votre serveur
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#LOCAL_PORT=22 # Port local à rediriger
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#MONITOR_PORT=0 # Désactive la surveillance de connexion autossh
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#autossh -M "$MONITOR_PORT" -f -N -R "$SSH_TUNNEL_PORT:localhost:$LOCAL_PORT" "$REMOTE_USER@$REMOTE_SERVER" -p 50221
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# ssh -f -N -R 52221:localhost:22 -p 50221 airlab_server1@aircarto.fr
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#ssh -i /var/www/.ssh/id_rsa -f -N -R "$SSH_TUNNEL_PORT:localhost:$LOCAL_PORT" -p 50221 -o StrictHostKeyChecking=no "$REMOTE_USER@$REMOTE_SERVER"
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#Check if the tunnel was created successfully
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#if [ $? -eq 0 ]; then
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# echo "Tunnel started successfully!"
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#else
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# echo "Error: Unable to start the tunnel!"
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# exit 1
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#fi
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fi
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echo "-------------------"
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