first commit

boot_hotspot.sh

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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
+OUTPUT_FILE="/var/www/nebuleair_pro_4g/wifi_list.csv"
+JSON_FILE="/var/www/nebuleair_pro_4g/config.json"
+
+echo "-------------------"
+echo "-------------------"
+
+echo "NebuleAir pro started at $(date)"
+echo "getting SARA R4 serial number"
+
+# Get the last 8 characters of the serial number and write to text file
+serial_number=$(cat /proc/cpuinfo | grep Serial | awk '{print substr($3, length($3) - 7)}')
+# Define the JSON file path
+# Use jq to update the "deviceID" in the JSON file
+jq --arg serial_number "$serial_number" '.deviceID = $serial_number' "$JSON_FILE" > temp.json && mv temp.json "$JSON_FILE"
+echo "id: $serial_number"
+#get the SSH port for tunneling
+SSH_TUNNEL_PORT=$(jq -r '.sshTunnel_port' "$JSON_FILE")
+
+#need to wait for the network manager to be ready
+sleep 20
+# Get the connection state of wlan0
+STATE=$(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 JSON to reflect hotspot mode
+    jq --arg status "hotspot" '.WIFI_status = $status' "$JSON_FILE" > temp.json && mv temp.json "$JSON_FILE"
+
+
+else
+    echo "Success: wlan0 is connected!"
+    CONN_SSID=$(nmcli -g GENERAL.CONNECTION device show wlan0)
+    echo "Connection: $CONN_SSID"
+
+    #update config JSON file
+    jq --arg status "connected" '.WIFI_status = $status' "$JSON_FILE" > temp.json && mv temp.json "$JSON_FILE"
+
+    # 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 "-------------------"