use lshw for inventory (#58)

* Use lshw for inventory
* Add motherboard to inventory
* Handle non raid devices
* Handle nvme drives

netbox_agent/vendors/supermicro.py

@@ -1,6 +1,20 @@
+
 from netbox_agent.location import Slot
 from netbox_agent.server import ServerBase
 
+"""
+ Supermicro DMI can be messed up.  They depend on the vendor
+ to set the correct values.  The endusers cannot
+ change them without buying a license from Supermicro.
+
+ There are 3 serial numbers in the system
+
+   1) System - this is used for the chassis information.
+   2) Baseboard - this is used for the blade.
+   3) Chassis - this is ignored.
+
+"""
+
 
 class SupermicroHost(ServerBase):
     def __init__(self, *args, **kwargs):
@@ -8,8 +22,8 @@ class SupermicroHost(ServerBase):
         self.manufacturer = 'Supermicro'
 
     def is_blade(self):
-        blade = self.get_product_name().startswith('SBI')
-        blade |= self.get_product_name().startswith('SYS')
+        blade = self.system[0]['Product Name'].startswith('SBI')
+        blade |= self.system[0]['Product Name'].startswith('SYS')
         return blade
 
     def get_blade_slot(self):
@@ -21,17 +35,25 @@ class SupermicroHost(ServerBase):
         # No supermicro on hands
         return None
 
-    def get_chassis_name(self):
-        if not self.is_blade():
-            return None
-        return 'Chassis {}'.format(self.get_service_tag())
+    def get_service_tag(self):
+        return self.baseboard[0]['Serial Number'].strip()
+
+    def get_product_name(self):
+        if self.is_blade():
+            return self.baseboard[0]['Product Name'].strip()
+        return self.system[0]['Product Name'].strip()
 
     def get_chassis(self):
         if self.is_blade():
-            return self.dmi.get_by_type('Chassis')[0]['Version']
+            return self.system[0]['Product Name'].strip()
         return self.get_product_name()
 
     def get_chassis_service_tag(self):
         if self.is_blade():
-            return self.dmi.get_by_type('Chassis')[0]['Serial Number']
+            return self.system[0]['Serial Number'].strip()
         return self.get_service_tag()
+
+    def get_chassis_name(self):
+        if not self.is_blade():
+            return None
+        return 'Chassis {}'.format(self.get_chassis_service_tag())