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nrpe/files/nrpe/check_3ware
Ludovic Cartier 85029a0f01 initial commit
2024-12-16 19:24:54 +01:00

345 lines
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Perl
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#!/usr/bin/perl
# -------------------------------------------------------
# -=- <check_3ware-raid.pl> -=-
# -------------------------------------------------------
#
# Description : yet another plugin to check your 3ware RAID
# controller
#
# Version : 0.1
# -------------------------------------------------------
# In :
# - see the How to use section
#
# Out :
# - only print on the standard output
#
# Features :
# - perfdata output
#
# Fix Me/Todo :
# - too many things ;) but let me know what do you think about it
#
# ####################################################################
# ####################################################################
# GPL v3
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# ####################################################################
# ####################################################################
# How to use :
# ------------
#
# 1 to use this script you have to install firt tw_cli. You can find
# the source here : http://www.3ware.com/support/download.asp
# just follow the instructions to compile and deploy it
#
# 2 then you just have to run the following command :
# $ ./check_3ware-raid.pl --help
#
# If you need to use this script with NRPE you just have to do the
# following steps :
#
# 1 allow your user to run the script with the sudo rights. Just add
# something like that in your /etc/sudoers (use visudo) :
# nagios ALL=(ALL) NOPASSWD: /<path-to>/check_3ware-raid.pl
#
# 2 then just add this kind of line in your NRPE config file :
# command[check_3ware]=/usr/bin/sudo /<path-to>/check_3ware-raid.pl
#
# 3 don't forget to restart your NRPE daemon
#
# ####################################################################
# ####################################################################
# Changelog :
# -----------
#
# --------------------------------------------------------------------
# Date:28/11/2009 Version:0.1 Author:Erwan Ben Souiden
# >> creation
# ####################################################################
# ####################################################################
# Don't touch anything under this line!
# You shall not pass - Gandalf is watching you
# ####################################################################
use strict;
use warnings;
use Getopt::Long qw(:config no_ignore_case);
# Generic variables
# -----------------
my $version = '0.1';
my $author = 'Erwan Labynocle Ben Souiden';
my $a_mail = 'erwan@aleikoum.net';
my $script_name = 'check_3ware-raid.pl';
my $verbose_value = 0;
my $version_value = 0;
my $more_value = 0;
my $help_value = 0;
my $perfdata_value = 0;
my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4);
# Plugin default variables
# ------------------------
my $display = 'CHECK 3ware RAID - ';
my ($critical,$warning) = (2,1);
my $tw_cli_path = '/usr/sbin/tw_cli';
my ($id_controller,$action) = ("",'disk_check');
GetOptions (
'P=s' => \ $tw_cli_path,
'path-tw_cli=s' => \ $tw_cli_path,
'w=i' => \ $warning,
'warning=i' => \ $warning,
'c=i' => \ $critical,
'critical=i' => \ $critical,
'action=s' => \ $action,
'a=s' => \ $action,
'C=s' => \ $id_controller,
'controller=s' => \ $id_controller,
'm' => \ $more_value,
'more' => \ $more_value,
'V' => \ $version_value,
'version' => \ $version_value,
'h' => \ $help_value,
'H' => \ $help_value,
'help' => \ $help_value,
'display=s' => \ $display,
'D=s' => \ $display,
'perfdata' => \ $perfdata_value,
'p' => \ $perfdata_value,
'v' => \ $verbose_value,
'verbose' => \ $verbose_value
);
print_usage() if ($help_value);
print_version() if ($version_value);
# Syntax check of your specified options
# --------------------------------------
print "DEBUG : action : $action, path-tw_cli : $tw_cli_path\n" if ($verbose_value);
if (($action eq "") or ($tw_cli_path eq "")) {
print $display.'one or more following arguments are missing :action/path-tw_cli'."\n";
exit $ERRORS{"UNKNOWN"};
}
print "DEBUG : check if $tw_cli_path exists and is executable\n" if ($verbose_value);
if(! -x $tw_cli_path) {
print $display."$tw_cli_path".' is not executable by you'."\n";
exit $ERRORS{"UNKNOWN"};
}
print "DEBUG : warning threshold : $warning, critical threshold : $critical\n" if ($verbose_value);
if (($critical < 0) or ($warning < 0) or ($critical < $warning)) {
print $display.'the thresholds must be integers and the critical threshold higher or equal than the warning threshold'."\n";
exit $ERRORS{"UNKNOWN"};
}
print "DEBUG : controller : $id_controller\n" if ($verbose_value);
if ($id_controller ne "") {
if (check_controller("$tw_cli_path",$id_controller) != 0) {
print $display.'UNKNOWN - problem with the controller '."$id_controller ".'may be it does not exist'."\n";
exit $ERRORS{"UNKNOWN"};
}
}
# Core script
# -----------
my ($return,$return_more,$plugstate) = ("","","OK");
my @controller_list;
if (! $id_controller) {
@controller_list = list_all_controller("$tw_cli_path");
if (! @controller_list) {
print $display.'UNKNOWN - problem to have the controllers list'."\n";
exit $ERRORS{"UNKNOWN"};
}
}
else {
push(@controller_list,$id_controller);
}
print "DEBUG : action = $action\n" if ($verbose_value);
my @show_return;
# disk_check action
# -----------------
if ($action eq 'disk_check') {
my ($c_ok,$c_other) = (0,0);
foreach (@controller_list) {
@show_return = `$tw_cli_path /$_ show`;
foreach (@show_return) {
if ($_=~/^(p\d+)\s+(\S+)\s/ ) {
print "DEBUG : disk $1/status $2\n" if ($verbose_value);
$c_ok++ if ($2 eq "OK");
$c_other++ if (($2 ne "OK") and ($2 ne "NOT-PRESENT"));
$return_more .= " ($1,$2)";
}
}
$return .= "$c_ok disk(s) detected as OK";
$return .= " and $c_other with potential problem" if ($c_other);
$return .= " -$return_more" if ($more_value);
$return .= " | disksOK=$c_ok disksNOK=$c_other" if ($perfdata_value);
$plugstate = "WARNING" if ($c_other >= $warning);
$plugstate = "CRITICAL" if ($c_other >= $critical);
}
}
# unit action
# -----------
elsif ($action eq 'unit_check') {
my ($c_ok,$c_rebuild,$c_other) = (0,0,0);
foreach (@controller_list) {
@show_return = `$tw_cli_path /$_ show`;
foreach (@show_return) {
if ($_=~/^(u\d+)\s+(\S+)\s+(\S+)/) {
print "DEBUG : disk $1/type $2/status $3\n" if ($verbose_value);
$c_ok++ if ($3 eq "OK");
$c_rebuild++ if ($3 eq "REBUILD");
$c_other++ if (($3 ne "OK") and ($3 ne "REBUILD"));
$return_more .= " ($1,$2,$3)";
}
}
$return .= "$c_ok unit(s) detected as OK";
$return .= " and $c_rebuild as REBUILD" if ($c_rebuild);
$return .= "and $c_other with potential problem" if ($c_other);
$return .= " -$return_more" if ($more_value);
$return .= " | unitOK=$c_ok unitREBUILD=$c_rebuild unitNOK=$c_other" if ($perfdata_value);
$plugstate = "WARNING" if ($c_rebuild);
$plugstate = "CRITICAL" if ($c_other);
}
}
else {
$return .= "action must be unit_check|disk_check";
$action = "";
$plugstate = "UNKNOWN";
}
print $display.$action." - ".$plugstate." - ".$return;
exit $ERRORS{$plugstate};
# ####################################################################
# function 1 : display the help
# ------------------------------
sub print_usage {
print <<EOT;
$script_name version $version by $author
This plugin checks state of your physical disks and logical units of a 3ware RAID card.
Usage: /<path-to>/$script_name [-a unit_check|disk_check] [-p] [-D "$display"] [-v] [-m] [-c 2] [-w 1] [-C /c1]
Options:
-h, --help
Print detailed help screen
-V, --version
Print version information
-D, --display=STRING
to modify the output display...
default is "CHECK 3ware RAID - "
-P, --path-tw_cli=STRING
specify the path to the tw_cli binary
default value is /usr/sbin/tw_cli
-a, --action=STRING
specify the action : unit_check|disk_check
default is disk_check
disk_check : display state of all physical disks
unit_check : display state of all logical unit
-C, --controller=STRING
allow you to specify only one controller to check
the default behavior is to check each time every controller
-c, --critical=INT
specify a critical threshold for the number of disks in a non-OK state.
default is 2
only for the disk_check action
-w, --warning=INT
specify a warning threshold for the number of disks in a non-OK state.
default is 1
only for the disk_check action
-m, --more
Print a longer output. By default, the output is not complet because
Nagios may truncate it. This option is just for you
-p, --perfdata
If you want to activate the perfdata output
-v, --verbose
Show details for command-line debugging (Nagios may truncate the output)
Send email to $a_mail if you have questions
regarding use of this software. To submit patches or suggest improvements,
send email to $a_mail
This plugin has been created by $author
Hope you will enjoy it ;)
Remember :
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
EOT
exit $ERRORS{"UNKNOWN"};
}
# function 2 : display version information
# -----------------------------------------
sub print_version {
print <<EOT;
$script_name version $version
EOT
exit $ERRORS{"UNKNOWN"};
}
# function 3 : check if controller exists
# ---------------------------------------
sub check_controller {
my ($tw_cli_path,$id_controller) = @_;
system("$tw_cli_path /$id_controller show >> /dev/null 2>&1");
return $?;
}
# function 4 : return the controllers list
# ----------------------------------------
sub list_all_controller {
my ($tw_cli_path) = @_;
my @controller_list;
my @cmd_output = `$tw_cli_path show`;
if ($? == 0) {
foreach (@cmd_output) {
if ($_=~/^(c\d+)\s/ ) {
push(@controller_list,$1);
}
}
}
return @controller_list;
}
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