Updated lxc file system matching

hwmonDaemon.py

@@ -790,6 +790,10 @@ class SystemHealthMonitor:
         
         try:
             # Skip non-size strings
+            if not isinstance(size_str, str):
+                logger.debug(f"Not a string: {size_str}")
+                return 0.0
+                
             if not any(unit in size_str.upper() for unit in ['B', 'K', 'M', 'G', 'T']):
                 logger.debug(f"No valid size unit found in: {size_str}")
                 return 0.0
@@ -804,8 +808,8 @@ class SystemHealthMonitor:
             }
 
             # Extract numeric value and unit
-            value = float(size_str[:-1].strip())
-            unit = size_str[-1].upper()
+            value = float(re.match(r'(\d+\.?\d*)', size_str).group(1))
+            unit = re.search(r'([BKMGT])', size_str.upper()).group(1)
             
             logger.debug(f"Extracted value: {value}, unit: {unit}")
 
@@ -815,7 +819,7 @@ class SystemHealthMonitor:
             
             return bytes_value
 
-        except (ValueError, AttributeError) as e:
+        except (ValueError, AttributeError, TypeError) as e:
             logger.debug(f"Failed to parse size string: {size_str}")
             logger.debug(f"Parse error details: {str(e)}")
             return 0.0