Record raw smart vendor attributes

clients/record_smart

@@ -0,0 +1,60 @@
+#!/usr/bin/python3
+import argparse
+import re
+import subprocess
+import time
+
+import ltsdb_record
+
+ap = argparse.ArgumentParser()
+ap.add_argument("device")
+args = ap.parse_args()
+
+p = subprocess.run(["/usr/sbin/smartctl", "-A", args.device],
+                   stdout=subprocess.PIPE, universal_newlines=True)
+report0 = []
+state = 0
+for ln in p.stdout.splitlines():
+    if state == 0 and ln.startswith("ID# ATTRIBUTE_NAME"):
+        state = 1
+    elif state == 1 and ln == "":
+        state = 2
+    elif state == 1:
+        (id, attribute_name, flag, value, worst, thresh, type, updated, when_failed, raw_value) = ln.split()
+
+        if "_Ct" in attribute_name or "_Count" in attribute_name or "_Cnt" in attribute_name:
+            unit = "count"
+        elif "_Hours" in attribute_name:
+            unit = "hours"
+        elif "Total_LBAs_Written" in attribute_name:
+            unit = "blocks"
+        elif "Temperature_Cel" in attribute_name:
+            unit = "°C"
+        else:
+            unit = "unknown"
+
+        report0.append(
+            {
+                "measure": "smart_" + attribute_name.lower(),
+                "unit": unit,
+                "value": int(raw_value),
+            })
+now = time.time()
+report = [
+    {
+        "description": {
+            "hostname": ltsdb_record.node,
+            "device": args.device,
+            "measure": r["measure"],
+            "unit": r["unit"],
+        },
+        "data": [
+            [now, r["value"]]
+        ]
+    }
+    for r in report0
+]
+
+success = ltsdb_record.record_observations(report)
+exit(1 - success)
+