update mdstat-parser.pl script to support RAID 0 and report WARNING if array is rebuilding

root/var/lib/zabbix/bin/mdstat-parser.pl

@@ -6,6 +6,10 @@
 
 # Slightly modified by Daniel B. for integration on SME Server / Zabbix
 # 24 Apr 2009
+#  - One line Repport
+#  - Support RAID 0 Array
+#  - Repport Warning if an array is rebuilding
+
 
 # 
 # Simple parser for /proc/mdstat that outputs status of all
@@ -67,9 +71,13 @@ while (<FILE>) {
 	push @raids, $dev;
 
 	my @array = split(/ /);
+	$devs_total{$dev} = 0;
+	my $devs_up = 0;
+	my $missing = 0;
 	for $_ (@array) {
 		$level{$dev} = $1 if /^(raid\d+)$/;
 		next if ! /(\w+)\[\d+\](\(.\))*/;
+		$devs_total{$dev}++;
 		if ($2 eq "(F)") {
 			$failed_devs{$dev} .= "$1,";
 		}
@@ -78,6 +86,7 @@ while (<FILE>) {
 		}
 		else {
 			$active_devs{$dev} .= "$1,";
+			$devs_up++;
 		}
 	}
 	if (! defined($active_devs{$dev})) { $active_devs{$dev} = "none"; }
@@ -88,26 +97,34 @@ while (<FILE>) {
 		else { $failed_devs{$dev} =~ s/,$//; }
 	
 	$_ = <FILE>;
-	/(\d+)\ blocks\ \[(\d+)\/(\d+)\]\s+\[(.*)\]$/;
+	/(\d+)\ blocks\ (.*)(\[.*\])\s?$/;
         $size{$dev} = int($1/1024);
+	#print "$3\n";
+	$missing = 1 if ($3 =~ m/_/);
 	if ($size{$dev} > 1024){
 		$size{$dev} = int($size{$dev}/1024)."GB";
 	}
 	else{
 		$size{$dev} .= "MB";
 	}
-	$devs_total{$dev} = $2;
-	my $devs_up = $3;
-	my $stat = $4;
-	if ($devs_total{$dev} > $devs_up or $failed_devs{$dev} ne "none") {
+	$_ = <FILE>;
+	if (($devs_total{$dev} > $devs_up) || ($failed_devs{$dev} ne "none") || (($missing) && (!/recovery/))) {
 		$status{$dev} = "Degraded";
 		$result = "CRITICAL";
 		$retval = $ERRORS{"CRITICAL"};
 	}
-	else{
-		$status{$dev} = "Optimal";
+	else {  
+                $status{$dev} = "Optimal";
+        }
+	if (/recovery/){
+		$status{$dev} = "Rebuilding";
+		if ($result eq "OK"){
+			$result = "WARNING";
+	                $retval = $ERRORS{"WARNING"};
+		}
 	}
 	
+
 }
 print "$result: ";
 foreach my $raid (@raids){
@@ -125,6 +142,7 @@ Check status of Linux SW RAID
 
 Author: Michal Ludvig <michal\@logix.cz> (c) 2006
         http://www.logix.cz/michal/devel/nagios
+Modified by Daniel B. <daniel\@firewall-services.com>:
 
 Usage: mdstat-parser.pl [options]