Check if a selftests are recorded

Then display the last 3 or put this disk in error state.

xymon/plugins/client/ext/smart

@@ -109,6 +109,7 @@ if test -s /tmp/dscan; then
 			DID="unsupported-${DISK}"
 			DINFO=$(smartctl -i -d "${SCANNED_TYPE}" "${DISK}" | grep -v -E "^smartctl|^Copyright|^$" || printf '%s' "Can't get informations due to no SMART support.")
 			DDRIVEDB_MSG=""
+			DSELFTEST=""
 		else
 			[ "${debug}" -eq "0" ] && printf "${c_magentab}%-6b${c_reset}\n" "DEBUG : SMART seems fully supported, proceed normally."
 			### Get SMART Health Status and return code
@@ -117,6 +118,7 @@ if test -s /tmp/dscan; then
 			### Get disk's serial number and informations
 			DID=$(smartctl -i -d "${TYPE}" "${DISK}" | awk '/.erial .umber:/ { print $NF }')
 			DINFO=$(smartctl -i -d "${TYPE}" "${DISK}" | grep -v -E "^smartctl|^Copyright|^$")
+
 			## If the model of the disk is known from smartmontools database
 			if smartctl -d "${TYPE}" -P show "${DISK}" | grep -qi -- "drive found in"; then
 				DDRIVEDB_MSG="&green Device is known in smartmontools database. You might consider using a more advanced plugin such as:
@@ -126,6 +128,15 @@ https://github.com/skazi0/xymon-plugins/blob/master/client/ext/smart"
 https://www.smartmontools.org/wiki/FAQ#SmartmontoolsDatabase"
 			fi
 
+			DSELFTEST=$(smartctl -d "${TYPE}" -l selftest "${DISK}" | grep -v -E -- "^smartctl|^Copyright|^$")
+			## If no selftest have been recorded
+			if smartctl -d "${TYPE}" -l selftest "${DISK}" | grep -qi -- "No self-tests"; then
+				DSELFTEST_MSG="&red No self-tests recorded:"
+				DCODE="8"
+			else
+				DSELFTEST_MSG=""
+			fi
+
 		fi
 
 		## Test health status
@@ -159,6 +170,8 @@ https://www.smartmontools.org/wiki/FAQ#SmartmontoolsDatabase"
 				echo "$DRES" | grep -v -E "^smartctl|^Copyright|^$|^==="
 				echo "${DDRIVEDB_MSG}"
 				echo "${DINFO}"
+				echo "${DSELFTEST_MSG}"
+				echo "${DSELFTEST}" | head -n6
 				echo "------------------------------------------------------------"
 				echo ""
 				echo ""