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#!/usr/bin/env perl
use strict;
use warnings;
use Getopt::Long;
my $sensors = '/usr/bin/sensors';
my $sensors_detect = '/usr/sbin/sensors-detect';
my %E_STATE = (
'OK' => 0,
'WARNING' => 1,
'CRITICAL' => 2,
'UNKNOWN' => 3,
);
my ( $warning, $critical, $sudo, $help );
GetOptions(
'w|warning=i' => \$warning,
'c|critical=i' => \$critical,
'sensors' => \$sensors,
'sensors-detect' => \$sensors_detect,
's|sudo' => \$sudo,
'h|help' => \$help,
);
return usage() if $help;
sub usage {
print <<"END_USAGE";
Usage:
$0 [ options ]
Options:
-w|--warning - WARNING_CPU_TEMP. Default value
-c|--critical - CRITICAL_CPU_TEMP
-s|--sudo - Use sudo for sensors and sensors-detect commands
-h|--help - this help information
--sensors - Set path to sensors util. Default /usr/sbin/sensors
--sensors-detect - Set path to sensors-detect util. Default /usr/sbin/sensors-detect
WARNING_CPU_TEMP - default value from sensors output, if not def = 80;
CRITICAL_CPU_TEMP - default value from sensors output, if not def = 100;
Plugin depends from lm_sensors package.
END_USAGE
exit $E_STATE{'UNKNOWN'};
}
# validate args and prepare data
if ( $> and !$sudo ) {
print "you are not root\n";
exit $E_STATE{'UNKNOWN'};
}
my $no_bin;
if ( !-X $sensors ) {
$no_bin .= "sensors not found, please set path to sensors\n";
}
if ( !-X $sensors_detect ) {
$no_bin .= "sensors-detect not found, please set path to sensors-detect\n";
}
if ($no_bin){
print "$no_bin\n";
usage();
}
my $exit_status = 'OK';
my $status_string = '';
my $perfdata_string = '';
my $reg_t = qr/\+([\d\.]+)/;
my $reg_dg = qr/\xc2\xb0C/;
my $reg = qr/$reg_t$reg_dg\s+?(\(high\s=\s$reg_t$reg_dg,\s+crit\s=\s$reg_t$reg_dg\))/;
sub return_status {
my $request_status = shift;
if ( $request_status eq 'WARNING' ) {
return if $exit_status eq 'CRITICAL';
}
if ( $request_status eq 'UNKNOWN' ) {
return if $exit_status eq 'WARNING';
return if $exit_status eq 'CRITICAL';
}
$exit_status = $request_status;
}
sub make_sensors_conf {
system "echo -e | sudo $sensors_detect > /dev/null";
}
# sensors | grep "°C" | sed -r 's/:[ ]+[+]?([0-9.]+)°C.*$/=\1/;s/ /_/g;
my @sensors_data = `$sensors | grep "°C\\|coretemp-isa"`;
if (!grep { /^(Physical|Core)/ } grep {/$reg/} @sensors_data){
if ( -f '/etc/sysconfig/lm_sensors' ){
my $conf = `cat /etc/sysconfig/lm_sensors`;
if ($conf =~ m/Run sensors-detect to generate this config file/) {
make_sensors_conf;
@sensors_data = `$sensors | grep "°C\\|coretemp-isa"`;
}
elsif (!$sudo) {
system 'mv /etc/sysconfig/lm_sensors{,.bkp}';
make_sensors_conf;
@sensors_data = `$sensors | grep "°C\\|coretemp-isa"`;
system 'mv /etc/sysconfig/lm_sensors{.bkp,}';
}
}
else{
make_sensors_conf;
@sensors_data = `$sensors | grep "°C\\|coretemp-isa"`;
}
}
my %cpus;
my $cpu = 0;
for my $line ( @sensors_data ){
my ($name, $data);
($name, $data) = split /:\s+/, $line;
$name =~ s/\s+//g;
$cpu = sprintf("%d", $1)
if $line =~ m/coretemp-isa-/
&& $line =~ m/(\d+)$/;
next if $name !~ m/^\s?(Physical|Core)/;
if ( $cpus{$cpu}{$name} ){
foreach my $cp (sort keys %cpus){
if ($cpus{$cp}{$name}){
$cpu ++;
last;
}
}
}
$cpus{$cpu}{$name} = 1;
my ($temp, $crit, $warn);
$data =~ $reg;
($temp, $warn, $crit) = ( int $1, int $3, int $4);
$warning = $warning ? $warning :
defined $warn ? $warn : 80;
$critical = $critical ? $critical :
defined $crit ? $crit : 100;
$name = "cpu$cpu.". lc $name;
$perfdata_string .= "$name=$temp;$warning;$critical;; ";
if ( $temp >= $critical ){
$status_string .= "$name: temperature $temp is critical\n";
return_status('CRITICAL');
}
elsif ( $temp >= $warning ){
$status_string .= "$name: temperature $temp is warning\n";
return_status('WARNING');
}
}
print "$exit_status";
print ": \n$status_string" if $status_string;
print "|$perfdata_string\n";
exit $E_STATE{$exit_status};
1;