feat: add SMART monitoring support

smarttools.py

@@ -0,0 +1,49 @@
+def normalize(smart):
+    '''Load different types of SMART outputs'''
+
+    ret = dict()
+    ret.update({ "temperature"      : 0 })
+    ret.update({ "critical_warning" : 0 })
+    ret.update({ "unsafe_shutdowns" : 0 })
+    ret.update({ "power_cycles"     : 0 })
+    ret.update({ "power_on_hours"   : 0 })
+    ret.update({ "available_spare"  : 100 })
+    ret.update({ "wearleveling_count" : 100 })
+
+    if "ata_smart_attributes" in smart:
+
+        # get main table #
+        table = smart["ata_smart_attributes"]["table"]
+        
+        # temperatur #
+        ret["temperature"] = smart["temperature"]["current"]
+
+        for el in table:
+        
+            # look for relevant metrics #
+            name = el["name"].lower()
+            target_name = el["name"].lower() # name in return map
+
+            # handle value mapping #
+            use_raw = False
+            if name == "used_rsvd_blk_cnt_tot":
+                target_name = "available_spare"
+            elif name == "power_cylce_count":
+                target_name = "power_cycles"
+                use_raw = True
+            elif name == "power_on_hours":
+                target_name = "power_on_hours"
+                use_raw = True
+
+            # check if metric should be recorded #
+            if target_name in ret:
+
+                # set return dict #
+                if use_raw:
+                    value = el["raw"]["value"]
+                else:
+                    value = el["value"]
+
+                ret[target_name] = value
+
+    return ret