Add SMART check and discovery scripts

conf/smart.conf

@@ -0,0 +1,7 @@
+# Discover S.M.A.R.T. capable hard drives
+# The only macro returned is {#SMARTDRIVE} and value is like /dev/sda
+UserParameter=hardward.disk.smart.discovery,/usr/bin/sudo /var/lib/zabbix/bin/disco_smart_sudo
+
+# Takes two args: the drives to check, and the value to get
+# eg: hardward.disk.smart[/dev/sda,Reallocated_Sector_Ct]
+UserParameter=hardward.disk.smart[*],/usr/bin/sudo /var/lib/zabbix/bin/check_smart_sudo $1 $2

scripts/check_smart_sudo

@@ -0,0 +1,2 @@
+#!/bin/sh
+/usr/sbin/smartctl -A $1 | grep $2 | tail -1| cut -c 88- | cut -f1 -d' '

scripts/disco_smart_sudo

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+echo -e "{\n\t\"data\":[\n\n"
+for DISK in $(smartctl --scan-open | cut -d' ' -f1); do
+    smartctl -A $DISK >/dev/null 2>&1
+    if [ $? -eq 0 ]; then
+        echo -e "\t{\n"
+        echo -e "\t\t\"{#SMARTDRIVE}\":\"$DISK\""
+        echo -e "\t}"
+    fi
+done
+echo -e "\n\t]\n}\n"