Updated the script so it now has a separate config file and also fixed issue calculating the storage on the server

V2/home_assistant_backup.sh

@@ -1,37 +1,17 @@
 #!/bin/bash
 #set -x 
 
-### Global Settings ###
-# Set your Home Assistant SSH credentials
-HA_SSH_KEY="SSH_PRIVATE_KEY"  # Replace with your SSH Private key for HomeAssistant
-HA_SSH_USER="SSH_USER"        # Replace with your HomeAssistant server username (Default is root)
-HA_SSH_HOST="SSH_HOST_IP_OR_HOSTNAME"  # Replace with your HomeAssistant server IP address
-HA_SSH_PORT="SSH_PORT"        # Replace with your HomeAssistant server port
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CONFIG_FILE="$SCRIPT_DIR/home_assistant_backup.conf"
 
-## Storage
-# Set the backup destination path
-BACKUP_DEST="BACKUP_FILE_DESTINATION" # Replace with the location for the backup files
+if [ ! -f "$CONFIG_FILE" ]; then
+    echo "Error: Config file not found: $CONFIG_FILE"
+    exit 1
+fi
 
-# Set the location of the Home Assistant backups (Set to default location /backup)
-# If you have a custom install, using the likes of Supervised
-# this location should normally be /usr/share/hassio/backup
-BACKUP_FILE_LOCATION="/backup"
-
-# Storage threshold (in KB) for triggering cleanup
-STORAGE_THRESHOLD_KB=2097152  # 2GB = 2 * 1024 * 1024 KB
-# Set clean up old backups (adjust the number of days to keep)
-LOCAL_BACKUP_CLEANUP="90"  # Set the number of days that local backup files will be kept for (Default 90 days)
-REMOTE_BACKUP_CLEANUP="30" # Set the number of days that backups on the Home Assistant server will be kept for (Default 30 days)
-
-## Notification Settings
-# ntfy settings
-NTFY_ENABLED=false  # Set to 'true' to enable ntfy notifications
-NTFY_SERVER="NTFY_SERVER_FQDN_ADDRESS"  # Replace with your ntfy server address
-NTFY_TOPIC="NTFY_TOPIC"  # Replace with your ntfy topic
-
-# Discord webhook settings
-DISCORD_ENABLED=false  # Set to 'true' to enable Discord notifications
-DISCORD_WEBHOOK_URL="DISCORD_WEBHOOK_URL"  # Replace with your Discord webhook URL
+# Load variables
+# shellcheck disable=SC1090
+source "$CONFIG_FILE"
 
 ### Script ###
 ## Sanity Check##
@@ -158,7 +138,7 @@ send_ntfy_notification "Backup process started at $TIMESTAMP"
 send_discord_notification "Backup process started at $TIMESTAMP"
 
 # Check available disk space on Home Assistant server
-AVAILABLE_SPACE=$(ssh -i "$HA_SSH_KEY" -p "$HA_SSH_PORT" "$HA_SSH_USER@$HA_SSH_HOST" "df --output=avail / | tail -n 1")
+AVAILABLE_SPACE=$(ssh -i "$HA_SSH_KEY" -p "$HA_SSH_PORT" "$HA_SSH_USER@$HA_SSH_HOST" "df -k / | tail -n 1 | tr -s ' ' | cut -d ' ' -f 4")
 if [ "$AVAILABLE_SPACE" -lt "$STORAGE_THRESHOLD_KB" ]; then
     echo "Disk space is less than 2GB on Home Assistant server. Proceeding with remote backup cleanup..."
     # Remove old backups on Home Assistant server if less than 2GB available