Candidate successor to /plugins/check_ide_smart.c. Now in /contrib. NB there is another new plugin with sim function

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1114 f882894a-f735-0410-b71e-b25c423dba1c

contrib/check_smart.pl

@@ -0,0 +1,180 @@
+#!/usr/bin/perl -w
+
+# chec_smart
+# Check S.M.A.R.T. enabled disks status.
+#
+# This uses smartmontools to check for disk status.
+# This is NOT compatible with smartsuite
+# Please use smartctl --smart=on --offlineauto=on --saveauto=on /dev/something
+# or similar to enable automatic data collection, and RTFM about it.
+#
+# this uses sudo to access the smartctl program, so please add a line in sudoers
+# nagios  computername = NOPASSWD:/usr/sbin/smartctl
+#
+# CopyLeft Roy Sigurd Karlsbakk <roy@karlsbakk.net>
+# Developed under Debian/SID
+# No warranties what so ever. If this toasts your PC, or your wife
+# runs away with your girlfriend, or even me, don't blame me.
+#
+# Licenced under GPL
+#
+
+use strict;
+use Getopt::Long;
+
+my (
+	$s, $i, $out, $retcode, $errtxt, $exitcode,
+	$device, $text_mode, $exitcode_mode, $help, $verbose, $type,
+);
+my $smartctl = "sudo /usr/sbin/smartctl";
+my $e_commandline = 0;
+my $e_devopen = 0;
+my $e_chksum = 0;
+my $e_disk_failing = 0;
+my $e_prefail = 0;
+my $e_mayprefail = 0;
+my $e_errlog = 0;
+my $e_selftestlog = 0;
+
+sub end {
+	$s = shift;
+	$i = shift;
+	if ($i == 0) {
+		$s = "OK: $s";
+	} elsif ($i == 1) {
+		$s = "WARNNG: $s";
+	} elsif ($i == 2) {
+		$s = "CRITICAL: $s";
+	} elsif ($i == 3) {
+		$s = "UNKNOWN: $s";
+	} else {
+		$s = "OUT OF RANGE: $s";
+	}
+	print "$s\n";
+	exit($i);
+}
+
+sub syntax {
+	$s = shift or $s = 'Unknown';
+	printf STDERR ("Error: $s\n") unless ($help);
+	printf STDERR ("Syntax: %s (-t|-e) -d <device> [-vh]\n", $0);
+	printf STDERR ("  --text-mode -t        check by parsing smartctl's output\n");
+	printf STDERR ("  --exitcode-mode -e    check smartctl's exitcode (only works on IDE)\n");
+	printf STDERR ("  --device -d           disk device to check\n");
+	printf STDERR ("  --type -T             drive type. See the -d flag in the smartctl manual\n");
+	printf STDERR ("  --verbose -v          verbose\n");
+	printf STDERR ("  --help -h             this help\n");
+	exit(0) if $help;
+	exit(3);
+}
+
+Getopt::Long::Configure('bundling');
+GetOptions(
+	"d=s" => \$device, "device=s" => \$device,
+	"T=s" => \$type, "type=s" => \$type,
+	"t" => \$text_mode, "text-mode" => \$text_mode,
+	"e" => \$exitcode_mode, "exitcode-mode" => \$exitcode_mode,
+	"h" => \$help, "help" => \$help,
+	"v" => \$verbose, "verbose" => \$verbose
+) || syntax("RTFM!");
+
+syntax if ($help);
+syntax("Need device to check") unless ($device);
+syntax("Conflicting modes") if ($text_mode && $exitcode_mode);
+syntax("Need test mode") unless ($text_mode || $exitcode_mode);
+syntax("Exitcode mode only works on ATA drives") if ($exitcode_mode && ! ($device =~ /\/dev\/hd./));
+
+if ($type) {
+	$type =~ s/[\r\n]*?//g;
+	print "type: '$type'\n" if ($verbose);
+	syntax("Valid --type entries include ata, scsi and 3ware,n")
+		unless (($type =~ /^ata$/) || ($type =~ /^scsi$/) || ($type =~ /^3ware,\d+$/));
+}
+if (defined($type)) {
+	$type = "--device=$type";
+} else {
+	$type = "";
+}
+
+if ($text_mode) {
+	print "running $smartctl $type -H $device" if ($verbose);
+	unless (open SMARTCTL,"$smartctl $type -H $device|") {
+		print STDERR "Can't execute $smartctl: $!\n";
+		exit(3);
+	}
+	while (<SMARTCTL>) {
+		last if (/=== START OF READ SMART DATA SECTION ===/);
+	}
+	$out = <SMARTCTL>;
+	print $out;
+	exit(0) if ($out =~ /PASSED/);
+	exit(2) if ($out =~ /SAVE ALL DATA/ || $out =~ /FAILED/);
+	exit(3);
+} elsif ($exitcode_mode) {
+	print "Running $smartctl $type -q silent $device\n" if ($verbose);
+	system("$smartctl $type -q silent $device");
+	$retcode = $?;
+	$e_commandline = 1 if ($retcode & 0x0100);
+	$e_devopen = 1 if ($retcode & 0x0200);
+	$e_chksum = 1 if ($retcode & 0x0400);
+	$e_disk_failing = 1 if ($retcode & 0x0800);
+	$e_prefail = 1 if ($retcode & 0x1000);
+	$e_mayprefail = 1 if ($retcode & 0x2000);
+	$e_errlog = 1 if ($retcode & 0x4000);
+	$e_selftestlog = 1 if ($retcode & 0x8000);
+
+	print "$e_commandline $e_devopen $e_chksum $e_disk_failing $e_prefail $e_mayprefail $e_errlog $e_selftestlog\n"
+		if ($verbose);
+
+	$exitcode = 0;
+	$errtxt = "";
+	if ($exitcode) {
+		if ($e_commandline) {
+			$errtxt .= "Commandline didn't parse, ";
+			$exitcode = 3 if ($exitcode == 0);
+		}
+		if ($e_devopen) {
+			$errtxt .= "Device could not be opened, ";
+			$exitcode = 3 if ($exitcode == 0);
+		}
+		if ($e_chksum) {
+			$errtxt .= "Checksum failure somewhere, ";
+			$exitcode = 1 if ($exitcode != 2);
+		}
+		if ($e_disk_failing) {
+			$errtxt .= "Disk is failing!, ";
+			$exitcode = 2;
+		}
+		if ($e_prefail) {
+			$errtxt .= "Disk is in prefail, ";
+			$exitcode = 1 if ($exitcode != 2);
+		}
+		if ($e_mayprefail) {
+			$errtxt .= "Disk is close to prefail. Please check manually, ";
+			$exitcode = 1 if ($exitcode != 2);
+		}
+		if ($e_errlog) {
+			$errtxt .= "The device error log contains records of errors, ";
+			$exitcode = 1 if ($exitcode != 2);
+		}
+		if ($e_selftestlog) {
+			$errtxt .= "The device self-test log contains records of errors, ";
+			$exitcode = 1 if ($exitcode != 2);
+		}
+		if ($exitcode == 1) {
+			$errtxt = "WARNNG: $errtxt";
+		} elsif ($exitcode == 2) {
+			$errtxt = "CRITICAL: $errtxt";
+		} else {
+			$errtxt = "UNKNOWN: $errtxt";
+		}
+	} else {
+		$errtxt = "OK";
+	}
+	print "$errtxt\n";
+	exit($exitcode);
+} else {
+	print STDERR "Something's strange is going on :~|\n";
+	exit(3);
+}
+# vim:ts=4:sw=4:cindent