+++ /dev/null
-#!/usr/bin/perl -w
-
-####################################################
-# check_drbd v0.5.3 #
-# by Brandon Lee Poyner bpoyner / CCAC.edu #
-####################################################
-
-use strict;
-use File::Basename;
-use Getopt::Long;
-
-my $drbd_proc='/proc/drbd';
-my $drbd_devices=0;
-my ($drbd_expect, $drbd_role, $drbd_version, $debug_mode);
-my (%options, %cs, %st, %ld, %ds, %check, %warning, %critical);
-
-my $prog_name=basename($0);
-my $prog_revision='0.5.3';
-
-my %errorcodes = (
- 'OK' => { 'retvalue' => 0 },
- 'WARNING' => { 'retvalue' => 1 },
- 'CRITICAL' => { 'retvalue' => 2 },
- 'UNKNOWN' => { 'retvalue' => 3 }
-);
-
-#
-# Define various states and default alarm values
-#
-my %state = (
- 'Primary' => { 'value' => 'OK', 'type' => 'st' },
- 'Secondary' => { 'value' => 'OK', 'type' => 'st' },
- 'Unknown' => { 'value' => 'CRITICAL', 'type' => 'st' },
- 'StandAlone' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'Unconnected' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'Timeout' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'BrokenPipe' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'WFConnection' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'WFReportParams' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'Connected' => { 'value' => 'OK', 'type' => 'cs' },
- 'Unconfigured' => { 'value' => 'OK', 'type' => 'cs' },
- # DRBD 0.6
- 'SyncingAll' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'SyncingQuick' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'SyncPaused' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- # DRBD 0.7
- 'WFBitMapS' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'WFBitMapT' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'SyncSource' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'SyncTarget' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'PausedSyncS' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'PausedSyncT' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'NetworkFailure' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'SkippedSyncS' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'SkippedSyncT' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'Consistent' => { 'value' => 'OK', 'type' => 'ld' },
- 'Inconsistent' => { 'value' => 'CRITICAL', 'type' => 'ld' },
- # DRBD 8.0
- 'UpToDate' => { 'value' => 'OK', 'type' => 'ds' },
- 'Consistent' => { 'value' => 'OK', 'type' => 'ds' },
- 'Negotiating' => { 'value' => 'WARNING', 'type' => 'ds' },
- 'Attaching' => { 'value' => 'WARNING', 'type' => 'ds' },
- 'Diskless' => { 'value' => 'CRITICAL', 'type' => 'ds' },
- 'Failed' => { 'value' => 'CRITICAL', 'type' => 'ds' },
- 'Outdated' => { 'value' => 'CRITICAL', 'type' => 'ds' },
- 'Inconsistent' => { 'value' => 'CRITICAL', 'type' => 'ds' },
- 'DUnknown' => { 'value' => 'CRITICAL', 'type' => 'ds' },
- # DRBD 8.2
- 'VerifyS' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'VerifyT' => { 'value' => 'WARNING', 'type' => 'cs' },
- # DRBD 8.3
- 'Disconnecting' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'ProtocolError' => { 'value' => 'CRITICAL', 'type' => 'cs' },
- 'TearDown' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'StartingSyncS' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'StartingSyncT' => { 'value' => 'WARNING', 'type' => 'cs' },
- 'WFSyncUUID' => { 'value' => 'WARNING', 'type' => 'cs' }
-);
-
-&parse_options;
-&parse_proc;
-&parse_drbd_devices;
-&check_drbd_state;
-&report_status;
-&myexit('UNKNOWN',"$prog_name should never reach here");
-
-sub print_usage {
- print <<EOF
-Usage: $prog_name [-d <All|Configured|...>] [-e expect] [-p proc] [-r role] [-o states] [-w states] [-c states] [--debug]
- Options:
- -d STRING [default: $drbd_devices. Example: 0,1,2 ]
- -p STRING [default: $drbd_proc. Use '-' for stdin]
- -e STRING [Must be this connected state. Example: Connected]
- -r STRING [Must be this node state. Example: Primary]
- -o STRING [Change value to OK. Example: StandAlone]
- -w STRING [Change value to WARNING. Example: SyncingAll]
- -c STRING [Change value to CRITICAL. Example: Inconsistent,WFConnection]
-EOF
-}
-
-sub print_revision {
- print <<EOF;
-$prog_name $prog_revision
-
-The nagios plugins come with ABSOLUTELY NO WARRANTY. You may redistribute
-copies of the plugins under the terms of the GNU General Public License.
-For more information about these matters, see the file named COPYING.
-EOF
-
-}
-
-sub print_help {
- &print_revision;
- print "\n";
- &print_usage;
- print <<EOF;
-
-Send email to nagios-users\@lists.sourceforge.net if you have questions
-regarding use of this software. To submit patches or suggest improvements,
-send email to bpoyner\@ccac.edu
-EOF
- exit $errorcodes{'UNKNOWN'}->{'retvalue'};
-}
-
-sub parse_options {
- my ($help, $version, $debug, $ok_string, $warning_string,
- $critical_string);
- #
- # Get command line options
- #
- GetOptions("h|help" => \$help,
- "V|version" => \$version,
- "d|device|devices=s" => \$drbd_devices,
- "e|expect=s" => \$drbd_expect,
- "p|proc=s" => \$drbd_proc,
- "r|role=s" => \$drbd_role,
- "o|ok=s" => \$ok_string,
- "w|warning=s" => \$warning_string,
- "c|critical=s" => \$critical_string,
- "debug" => \$debug);
- if (defined($help) && ($help ne "")) {
- &print_help;
- exit $errorcodes{'UNKNOWN'}->{'retvalue'};
- }
- if (defined($version) && ($version ne "")) {
- &print_revision;
- exit $errorcodes{'UNKNOWN'}->{'retvalue'};
- }
- if (defined($drbd_expect) && ($drbd_expect ne "")) {
- # User requested the connected state to be very specific
- &change_values($drbd_expect,'cs','expect','connected state');
- }
- if (defined($drbd_role) && ($drbd_role ne "")) {
- # User requested the node state to be very specific
- &change_values($drbd_role,'st','role','node state');
- }
- if (defined($ok_string) && ($ok_string ne "")) {
- # User requested certain values to be OK
- &set_values($ok_string,'OK');
- }
- if (defined($warning_string) && ($warning_string ne "")) {
- # User requested certain values to be WARNING
- &set_values($warning_string,'WARNING');
- }
- if (defined($critical_string) && ($critical_string ne "")) {
- # User requested certain values to be CRITICAL
- &set_values($critical_string,'CRITICAL');
- }
- if (defined($debug) && ($debug ne "")) {
- #
- # Debugging information
- #
- $debug_mode=1;
- print STDERR "<$prog_name settings>\n";
- print STDERR "DRBD Devices: $drbd_devices\n";
- printf STDERR "DRBD Proc: %s\n", defined($drbd_proc)?$drbd_proc:"";
- printf STDERR "DRBD Expect: %s\n", defined($drbd_expect)?$drbd_expect:"";
- printf STDERR "DRBD Role: %s\n", defined($drbd_role)?$drbd_role:"";
- my (@ok, @critical, @warning);
- for my $key ( keys %state ) {
- if ($state{$key}->{'value'} eq 'OK') {
- push(@ok,$key);
- }
- if ($state{$key}->{'value'} eq 'WARNING') {
- push(@warning,$key);
- }
- if ($state{$key}->{'value'} eq 'CRITICAL') {
- push(@critical,$key);
- }
- }
- printf STDERR "DRBD OK: %s\n", join(" ",sort(@ok));
- printf STDERR "DRBD WARNING: %s\n", join(" ",sort(@warning));
- printf STDERR "DRBD CRITICAL: %s\n", join(" ",sort(@critical));
- print STDERR "</$prog_name settings>\n";
- }
-}
-
-sub parse_proc {
- #
- # Read in contents of proc file, feed results into hashes
- #
- my $input;
- if ( $drbd_proc ne "-" ) {
- $input = "DRBD";
- if ( ! -e $drbd_proc ) {
- &myexit('UNKNOWN',"No such file $drbd_proc");
- }
- open(DRBD, "$drbd_proc") ||
- &myexit('UNKNOWN',"Could not open $drbd_proc");
- } else {
- $input = "STDIN";
- }
- while(<$input>) {
- if (/^version: (\d+).(\d+)/) {
- $drbd_version = "$1.$2";
- }
- if (/^\s?(\d+):.* cs:(\w+)/) {
- $cs{$1} = $2;
- }
- if (/^\s?(\d+):.* st:(\w+)\//) {
- $st{$1} = $2;
- }
- if (/^\s?(\d+):.* ld:(\w+)/) {
- $ld{$1} = $2;
- }
- if (/^\s?(\d+):.* ds:(\w+)/) {
- $ds{$1} = $2;
- }
- }
- if ( $drbd_proc ne "-" ) {
- close(DRBD);
- }
- if (defined($debug_mode) && ($debug_mode == 1)) {
- #
- # Debugging information
- #
- print STDERR "<$prog_name devices found>\n";
- for my $key ( sort keys %cs ) {
- printf STDERR "Found Device $key $cs{$key}%s%s%s\n", defined($st{$key})?" $st{$key}":"", defined($ld{$key})?" $ld{$key}":"", defined($ds{$key})?" $ds{$key}":"";
- }
- print STDERR "</$prog_name devices found>\n";
- }
-}
-
-sub parse_drbd_devices {
- #
- # Determine which DRBD devices to monitor
- #
- my @devices;
- if ($drbd_devices =~ /^all$/i) {
- for my $device ( keys %cs ) {
- push(@devices,$device);
- }
- } elsif ($drbd_devices =~ /^configured$/i) {
- for my $device ( keys %cs ) {
- next if ($cs{$device} eq "Unconfigured");
- push(@devices,$device);
- }
- } else {
- @devices = split(/,/,$drbd_devices);
- }
- foreach my $device (@devices) {
- if (!(defined($cs{$device}))) {
- &myexit('OK',"Could not find device $device");
- }
- $check{$device} = 1;
- }
- if (int(keys %check) == 0) {
- &myexit('UNKNOWN',"No configured devices found");
- }
- if (defined($debug_mode) && ($debug_mode == 1)) {
- #
- # Debugging information
- #
- print STDERR "<$prog_name devices to check>\n";
- for my $key ( sort keys %check ) {
- printf STDERR "Checking enabled for device $key\n";
- }
- print STDERR "</$prog_name devices to check>\n";
- }
-}
-
-sub check_drbd_state {
- for my $drbd_device ( sort keys %check ) {
- if ((defined($drbd_version)) && ($drbd_version >= '8.0')) {
- #
- # We're dealing with version 8.0 or greater
- # Set data state
- #
- if ((defined($ds{$drbd_device})) &&
- (defined($state{$ds{$drbd_device}}))) {
- $state{$ds{$drbd_device}}->{$drbd_device}->{'level'} = 1;
- } elsif (defined($ds{$drbd_device})) {
- &myexit('CRITICAL',"Data state unknown value '$ds{$drbd_device}' for device $drbd_device");
- }
- }
- if ((defined($drbd_version)) && ($drbd_version == '0.7')) {
- #
- # We're dealing with version 0.7
- # Set local data consistency
- #
- if ((defined($ld{$drbd_device})) &&
- (defined($state{$ld{$drbd_device}}))) {
- $state{$ld{$drbd_device}}->{$drbd_device}->{'level'} = 1;
- } elsif (defined($ld{$drbd_device})) {
- &myexit('CRITICAL',"Local data consistency unknown value '$ld{$drbd_device}' for device $drbd_device");
- }
- }
- #
- # Check for a state value (Primary, Secondary, etc)
- #
- if ((defined($st{$drbd_device})) &&
- (defined($state{$st{$drbd_device}}))) {
- $state{$st{$drbd_device}}->{$drbd_device}->{'level'} = 1;
- } elsif (defined($st{$drbd_device})) {
- &myexit('CRITICAL',"Node state unknown value '$st{$drbd_device}' for device $drbd_device");
- }
- #
- # Check for a connected state value (Connected, StandAlone, etc)
- #
- if (defined($state{$cs{$drbd_device}})) {
- $state{$cs{$drbd_device}}->{$drbd_device}->{'level'} = 1;
- } else {
- &myexit('CRITICAL',"Connection state unknown value '$cs{$drbd_device}' for device $drbd_device");
- }
- #
- # Debugging information
- #
- if (defined($debug_mode) && ($debug_mode == 1)) {
- print STDERR "<$prog_name device $drbd_device status>\n";
- for my $key ( keys %state ) {
- if (defined($state{$key}->{$drbd_device}->{'level'})) {
- print STDERR "$key $state{$key}->{'value'}\n";
- }
- }
- print STDERR "</$prog_name device $drbd_device status>\n";
- }
- #
- # Determine if any values are CRITICAL or WARNING
- #
- for my $key ( keys %state ) {
- if (defined($state{$key}->{$drbd_device}->{'level'})) {
- if ($state{$key}->{'value'} eq "CRITICAL") {
- $critical{$drbd_device} = 1;
- }
- if ($state{$key}->{'value'} eq "WARNING") {
- $warning{$drbd_device} = 1;
- }
- }
- }
- }
-}
-
-sub report_status {
- my $message;
- my $critical_count=int(keys %critical);
- my $warning_count=int(keys %warning);
- if ($critical_count > 0) {
- #
- # We found a CRITICAL situation
- #
- my $i = 0;
- for my $device (sort keys %critical) {
- $message.=sprintf("Device %d%s $cs{$device}%s%s", $device,defined($st{$device})?" $st{$device}":"",defined($ld{$device})?" $ld{$device}":"",defined($ds{$device})?" $ds{$device}":"");
- $i++;
- if ($i != $critical_count) {
- $message.=", ";
- }
- }
- &myexit('CRITICAL',$message);
- } elsif ($warning_count > 0) {
- #
- # We found a WARNING situation
- #
- my $i = 0;
- for my $device (sort keys %warning) {
- $message.=sprintf("Device %d%s $cs{$device}%s%s", $device,defined($st{$device})?" $st{$device}":"",defined($ld{$device})?" $ld{$device}":"",defined($ds{$device})?" $ds{$device}":"");
- $i++;
- if ($i != $warning_count) {
- $message.=", ";
- }
- }
- &myexit('WARNING',$message);
- } else {
- #
- # Everything checks out OK
- #
- my $device_count=int(keys %check);
- if ($device_count == 1) {
- for my $device ( sort keys %check ) {
- $message=sprintf("Device %d%s $cs{$device}%s%s", $device,defined($st{$device})?" $st{$device}":"",defined($ld{$device})?" $ld{$device}":"",defined($ds{$device})?" $ds{$device}":"");
- }
- } else {
- my $i = 0;
- for my $device ( sort keys %check ) {
- $message.=sprintf("Dev %d %0.3s%0.3s%0.3s%0.3s", $device,defined($st{$device})?"$st{$device}":"",$cs{$device},defined($ld{$device})?"$ld{$device}":"",defined($ds{$device})?"$ds{$device}":"");
- $i++;
- if ($i != $device_count) {
- $message.=", ";
- }
- }
- }
- &myexit('OK',$message);
- }
-}
-
-sub set_values {
- #
- # Set item to value requested
- #
- my ($items,$value) = @_;
- my @items = split(/,/,$items);
- foreach my $item (@items) {
- if (defined($state{$item})) {
- $state{$item}->{'value'} = "$value";
- } else {
- print STDERR "State '$item' not found\n";
- }
- }
-}
-
-sub change_values {
- #
- # Look for all values of a given type, set requested value to OK
- # and all other values to CRITICAL
- #
- my ($argument,$type,$error1,$error2) = @_;
- if ((defined($state{$argument})) &&
- ($state{$argument}->{'type'} eq "$type")) {
- for my $key ( keys %state ) {
- if ($state{$key}->{'type'} eq "$type") {
- if ($key eq $argument) {
- &set_values($argument,'OK');
- } else {
- &set_values($key,'CRITICAL');
- }
- }
- }
- } else {
- &myexit('UNKNOWN',"$error1 option only works for $error2");
- }
-}
-
-sub myexit {
- #
- # Print error message and exit
- #
- my ($error, $message) = @_;
- if (!(defined($errorcodes{$error}))) {
- printf STDERR "Error code $error not known\n";
- print "DRBD UNKNOWN: $message\n";
- exit $errorcodes{'UNKNOWN'}->{'retvalue'};
- }
- print "DRBD $error: $message\n";
- exit $errorcodes{$error}->{'retvalue'};
-}
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