Added nvme details

agent.py

@@ -157,7 +157,7 @@ class ServerData:
             return devices
 
         # Get the list of nvme devices starting with 'nvme'
-        nvme_devices = [device for device in os.listdir('/sys/block') if device.startswith('nvme')]
+        nvme_devices = [device for device in os.listdir('/dev') if device.startswith('nvme')]
 
         for device in nvme_devices:
             device_path = '/dev/' + device
@@ -193,14 +193,13 @@ class ServerData:
         for device in os.listdir('/sys/block'):
             device_path = '/sys/block/{}/device'.format(device)
             size_path = '/sys/block/{}/size'.format(device)
-            if not os.path.islink(device_path):
-                continue
+            if os.path.islink(device_path):
                 try:
                     with open(size_path, 'r') as f:
                         size = int(f.read().strip())
                         disk += size
                 except Exception:
-                pass
+                    pass  # Skip the device if any exception occurs
 
         disk = disk * 512 // (1024**3)  # convert to GB
         logging.info("RAM: {}MB, Disk: {}GB".format(ram, disk))