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nagios-snmp-plugins/plugins/check_snmp_process.pl

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New upstream version 2.0.0
2016-12-04 10:31:25 +00:00
#!/usr/bin/perl -w
############################## check_snmp_process ##############
New upstream version 2.1.0
2017-11-29 15:28:59 +00:00
my $VERSION = "2.1.0";
New upstream version 2.0.0
2016-12-04 10:31:25 +00:00
# Date : Oct 12 2007
# Author : Patrick Proy (patrick at proy dot org)
# Help : http://nagios.manubulon.com
# License : GPL - http://www.fsf.org/licenses/gpl.txt
# Contrib : Makina Corpus, adam At greekattic d0t com
# TODO : put $o_delta as an option
# If testing on localhost, selects itself....
###############################################################
#
# help : ./check_snmp_process -h
use strict;
use Net::SNMP;
use Getopt::Long;
############### BASE DIRECTORY FOR TEMP FILE ########
my $o_base_dir = "/tmp/tmp_Icinga_proc.";
my $file_history = 200; # number of data to keep in files.
my $delta_of_time_to_make_average = 300; # 5minutes by default
# Icinga specific
my $TIMEOUT = 15;
my %ERRORS = ('OK' => 0, 'WARNING' => 1, 'CRITICAL' => 2, 'UNKNOWN' => 3, 'DEPENDENT' => 4);
# SNMP Datas
my $process_table = '1.3.6.1.2.1.25.4.2.1';
my $index_table = '1.3.6.1.2.1.25.4.2.1.1';
my $run_name_table = '1.3.6.1.2.1.25.4.2.1.2';
my $run_path_table = '1.3.6.1.2.1.25.4.2.1.4';
my $run_param_table = '1.3.6.1.2.1.25.4.2.1.5';
my $proc_mem_table = '1.3.6.1.2.1.25.5.1.1.2'; # Kbytes
my $proc_cpu_table = '1.3.6.1.2.1.25.5.1.1.1'; # Centi sec of CPU
my $proc_run_state = '1.3.6.1.2.1.25.4.2.1.7';
# Globals
my $o_host = undef; # hostname
my $o_community = undef; # community
my $o_port = 161; # port
my $o_domain = 'udp/ipv4'; # Default to UDP over IPv4
my $o_version2 = undef; #use snmp v2c
my $o_descr = undef; # description filter
my $o_warn = 0; # warning limit
my @o_warnL = undef; # warning limits (min,max)
my $o_crit = 0; # critical limit
my @o_critL = undef; # critical limits (min,max)
my $o_help = undef; # wan't some help ?
my $o_verb = undef; # verbose mode
my $o_version = undef; # print version
my $o_noreg = undef; # Do not use Regexp for name
my $o_path = undef; # check path instead of name
my $o_inverse = undef; # checks max instead of min number of process
my $o_get_all = undef; # get all tables at once
my $o_param = undef; # Add process parameters for selection
my $o_perf = undef; # Add performance output
my $o_timeout = 5; # Default 5s Timeout
# SNMP V3 specific
my $o_login = undef; # snmp v3 login
my $o_passwd = undef; # snmp v3 passwd
my $v3protocols = undef; # V3 protocol list.
my $o_authproto = 'md5'; # Auth protocol
my $o_privproto = 'des'; # Priv protocol
my $o_privpass = undef; # priv password
# SNMP Message size parameter (Makina Corpus contrib)
my $o_octetlength = undef;
# Memory & CPU
my $o_mem = undef; # checks memory (max)
my @o_memL = undef; # warn and crit level for mem
my $o_mem_avg = undef; # cheks memory average
my $o_cpu = undef; # checks CPU usage
my @o_cpuL = undef; # warn and crit level for cpu
my $o_delta = $delta_of_time_to_make_average; # delta time for CPU check
# functions
sub p_version { print "check_snmp_process version : $VERSION\n"; }
sub print_usage {
print
"Usage: $0 [-v] -H <host> -C <snmp_community> [-2] | (-l login -x passwd) [-p <port>] [-P <IP Protocol>] -n <name> [-w <min_proc>[,<max_proc>] -c <min_proc>[,max_proc] ] [-m<warn Mb>,<crit Mb> -a -u<warn %>,<crit%> -d<delta> ] [-t <timeout>] [-o <octet_length>] [-f -A -F ] [-r] [-V] [-g]\n";
}
sub isnotnum { # Return true if arg is not a number
my $num = shift;
if ($num =~ /^-?(\d+\.?\d*)|(^\.\d+)$/) { return 0; }
return 1;
}
sub read_file {
# Input : File, items_number
# Returns : array of value : [line][item]
my ($traffic_file, $items_number) = @_;
my ($ligne, $n_rows) = (undef, 0);
my (@last_values, @file_values, $i);
open(FILE, "<" . $traffic_file) || return (1, 0, 0);
while ($ligne = <FILE>) {
chomp($ligne);
@file_values = split(":", $ligne);
#verb("@file_values");
if ($#file_values >= ($items_number - 1)) {
# check if there is enough data, else ignore line
for ($i = 0; $i < $items_number; $i++) { $last_values[$n_rows][$i] = $file_values[$i]; }
$n_rows++;
}
}
close FILE;
if ($n_rows != 0) {
return (0, $n_rows, @last_values);
} else {
return (1, 0, 0);
}
}
sub write_file {
# Input : file , rows, items, array of value : [line][item]
# Returns : 0 / OK, 1 / error
my ($file_out, $rows, $item, @file_values) = @_;
my $start_line = ($rows > $file_history) ? $rows - $file_history : 0;
if (open(FILE2, ">" . $file_out)) {
for (my $i = $start_line; $i < $rows; $i++) {
for (my $j = 0; $j < $item; $j++) {
print FILE2 $file_values[$i][$j];
if ($j != ($item - 1)) { print FILE2 ":" }
}
print FILE2 "\n";
}
close FILE2;
return 0;
} else {
return 1;
}
}
sub help {
print "\nSNMP Process Monitor for Icinga/Nagios/Naemon/Shinken, Version ", $VERSION, "\n";
print "GPL license, (c)2004-2006 Patrick Proy\n\n";
print_usage();
print <<EOT;
-v, --verbose
print extra debugging information (and lists all storages)
-h, --help
print this help message
-H, --hostname=HOST
name or IP address of host to check
-C, --community=COMMUNITY NAME
community name for the host's SNMP agent (implies SNMP v1 or v2c with option)
-l, --login=LOGIN ; -x, --passwd=PASSWD, -2, --v2c
Login and auth password for snmpv3 authentication
If no priv password exists, implies AuthNoPriv
-2 : use snmp v2c
-X, --privpass=PASSWD
Priv password for snmpv3 (AuthPriv protocol)
-L, --protocols=<authproto>,<privproto>
<authproto> : Authentication protocol (md5|sha : default md5)
<privproto> : Priv protocole (des|aes : default des)
-p, --port=PORT
SNMP port (Default 161)
-P, --protocol=PROTOCOL
Network protocol to be used
['udp/ipv4'] : UDP over IPv4
'udp/ipv6' : UDP over IPv6
'tcp/ipv4' : TCP over IPv4
'tcp/ipv6' : TCP over IPv6
-n, --name=NAME
Name of the process (regexp)
No trailing slash !
-r, --noregexp
Do not use regexp to match NAME in description OID
-f, --fullpath
Use full path name instead of process name
(Windows doesn't provide full path name)
-A, --param
Add parameters to select processes.
ex : "named.*-t /var/named/chroot" will only select named process with this parameter
-F, --perfout
Add performance output
outputs : memory_usage, num_process, cpu_usage
-w, --warn=MIN[,MAX]
Number of process that will cause a warning
-1 for no warning, MAX must be >0. Ex : -w-1,50
-c, --critical=MIN[,MAX]
number of process that will cause an error (
-1 for no critical, MAX must be >0. Ex : -c-1,50
Notes on warning and critical :
with the following options : -w m1,x1 -c m2,x2
you must have : m2 <= m1 < x1 <= x2
you can omit x1 or x2 or both
-m, --memory=WARN,CRIT
checks memory usage (default max of all process)
values are warning and critical values in Mb
-a, --average
makes an average of memory used by process instead of max
-u, --cpu=WARN,CRIT
checks cpu usage of all process
values are warning and critical values in % of CPU usage
if more than one CPU, value can be > 100% : 100%=1 CPU
-d, --delta=seconds
make an average of <delta> seconds for CPU (default 300=5min)
-g, --getall
In some cases, it is necessary to get all data at once because
process die very frequently.
This option eats bandwidth an cpu (for remote host) at breakfast.
-o, --octetlength=INTEGER
max-size of the SNMP message, usefull in case of Too Long responses.
Be carefull with network filters. Range 484 - 65535, default are
usually 1472,1452,1460 or 1440.
-t, --timeout=INTEGER
timeout for SNMP in seconds (Default: 5)
-V, --version
prints version number
Note :
CPU usage is in % of one cpu, so maximum can be 100% * number of CPU
example :
Browse process list : <script> -C <community> -H <host> -n <anything> -v
the -n option allows regexp in perl format :
All process of /opt/soft/bin : -n /opt/soft/bin/ -f
All 'named' process : -n named
EOT
}
sub verb { my $t = shift; print $t, "\n" if defined($o_verb); }
sub check_options {
Getopt::Long::Configure("bundling");
GetOptions(
'v' => \$o_verb,
'verbose' => \$o_verb,
'h' => \$o_help,
'help' => \$o_help,
'H:s' => \$o_host,
'hostname:s' => \$o_host,
'p:i' => \$o_port,
'port:i' => \$o_port,
'P:s' => \$o_domain,
'protocol:s' => \$o_domain,
'C:s' => \$o_community,
'community:s' => \$o_community,
'l:s' => \$o_login,
'login:s' => \$o_login,
'x:s' => \$o_passwd,
'passwd:s' => \$o_passwd,
'X:s' => \$o_privpass,
'privpass:s' => \$o_privpass,
'L:s' => \$v3protocols,
'protocols:s' => \$v3protocols,
'c:s' => \$o_crit,
'critical:s' => \$o_crit,
'w:s' => \$o_warn,
'warn:s' => \$o_warn,
't:i' => \$o_timeout,
'timeout:i' => \$o_timeout,
'n:s' => \$o_descr,
'name:s' => \$o_descr,
'r' => \$o_noreg,
'noregexp' => \$o_noreg,
'f' => \$o_path,
'fullpath' => \$o_path,
'm:s' => \$o_mem,
'memory:s' => \$o_mem,
'a' => \$o_mem_avg,
'average' => \$o_mem_avg,
'u:s' => \$o_cpu,
'cpu' => \$o_cpu,
'2' => \$o_version2,
'v2c' => \$o_version2,
'o:i' => \$o_octetlength,
'octetlength:i' => \$o_octetlength,
'g' => \$o_get_all,
'getall' => \$o_get_all,
'A' => \$o_param,
'param' => \$o_param,
'F' => \$o_perf,
'perfout' => \$o_perf,
'd:i' => \$o_delta,
'delta:i' => \$o_delta,
'V' => \$o_version,
'version' => \$o_version
);
if (defined($o_help)) { help(); exit $ERRORS{"UNKNOWN"} }
if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"} }
# check snmp information
if (!defined($o_community) && (!defined($o_login) || !defined($o_passwd))) {
print "Put snmp login info!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ((defined($o_login) || defined($o_passwd)) && (defined($o_community) || defined($o_version2))) {
print "Can't mix snmp v1,2c,3 protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (defined($v3protocols)) {
if (!defined($o_login)) {
print "Put snmp V3 login info with protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
my @v3proto = split(/,/, $v3protocols);
if ((defined($v3proto[0])) && ($v3proto[0] ne "")) { $o_authproto = $v3proto[0]; } # Auth protocol
if (defined($v3proto[1])) { $o_privproto = $v3proto[1]; } # Priv protocol
if ((defined($v3proto[1])) && (!defined($o_privpass))) {
print "Put snmp V3 priv login info with priv protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
}
if (defined($o_timeout) && (isnotnum($o_timeout) || ($o_timeout < 2) || ($o_timeout > 60))) {
print "Timeout must be >1 and <60 !\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (!defined($o_timeout)) { $o_timeout = 5; }
# Check compulsory attributes
if (!defined($o_descr) || !defined($o_host)) { print_usage(); exit $ERRORS{"UNKNOWN"} }
@o_warnL = split(/,/, $o_warn);
@o_critL = split(/,/, $o_crit);
verb("$o_warn $o_crit $#o_warnL $#o_critL");
if (isnotnum($o_warnL[0]) || isnotnum($o_critL[0])) {
print "Numerical values for warning and critical\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ((defined($o_warnL[1]) && isnotnum($o_warnL[1])) || (defined($o_critL[1]) && isnotnum($o_critL[1]))) {
print "Numerical values for warning and critical\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
# Check for positive numbers on maximum number of processes
if ((defined($o_warnL[1]) && ($o_warnL[1] < 0)) || (defined($o_critL[1]) && ($o_critL[1] < 0))) {
print " Maximum process warn and critical > 0 \n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
# Check min_crit < min warn < max warn < crit warn
if ($o_warnL[0] < $o_critL[0]) {
print " warn minimum must be >= crit minimum\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (defined($o_warnL[1])) {
if ($o_warnL[1] <= $o_warnL[0]) {
print "warn minimum must be < warn maximum\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
} elsif (defined($o_critL[1]) && ($o_critL[1] <= $o_warnL[0])) {
print "warn minimum must be < crit maximum when no crit warning defined\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (defined($o_critL[1]) && defined($o_warnL[1]) && ($o_critL[1] < $o_warnL[1])) {
print "warn max must be <= crit maximum\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
#### Memory checks
if (defined($o_mem)) {
@o_memL = split(/,/, $o_mem);
if ($#o_memL != 1) { print "2 values (warning,critical) for memory\n"; print_usage(); exit $ERRORS{"UNKNOWN"} }
if (isnotnum($o_memL[0]) || isnotnum($o_memL[1])) {
print "Numeric values for memory!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ($o_memL[0] > $o_memL[1]) {
print "Warning must be <= Critical for memory!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
}
#### CPU checks
if (defined($o_cpu)) {
@o_cpuL = split(/,/, $o_cpu);
if ($#o_cpuL != 1) { print "2 values (warning,critical) for cpu\n"; print_usage(); exit $ERRORS{"UNKNOWN"} }
if (isnotnum($o_cpuL[0]) || isnotnum($o_cpuL[1])) {
print "Numeric values for cpu!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ($o_cpuL[0] > $o_cpuL[1]) {
print "Warning must be <= Critical for cpu!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
}
#### octet length checks
if (defined($o_octetlength) && (isnotnum($o_octetlength) || $o_octetlength > 65535 || $o_octetlength < 484)) {
print "octet lenght must be < 65535 and > 484\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
}
########## MAIN #######
check_options();
# Check timeout if snmp screws up
if (defined($o_timeout)) {
verb("Alarm in $o_timeout seconds");
alarm($o_timeout);
}
$SIG{'ALRM'} = sub {
print "No answer from host $o_host:$o_port\n";
exit $ERRORS{"UNKNOWN"};
};
# Connect to host
my ($session, $error);
if (defined($o_login) && defined($o_passwd)) {
# SNMPv3 login
if (!defined($o_privpass)) {
verb("SNMPv3 AuthNoPriv login : $o_login, $o_authproto");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-port => $o_port,
-domain => $o_domain,
-username => $o_login,
-authpassword => $o_passwd,
-authprotocol => $o_authproto,
-timeout => $o_timeout
);
} else {
verb("SNMPv3 AuthPriv login : $o_login, $o_authproto, $o_privproto");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-username => $o_login,
-port => $o_port,
-domain => $o_domain,
-authpassword => $o_passwd,
-authprotocol => $o_authproto,
-privpassword => $o_privpass,
-privprotocol => $o_privproto,
-timeout => $o_timeout
);
}
} else {
if (defined($o_version2)) {
# SNMPv2 Login
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => 2,
-community => $o_community,
-port => $o_port,
-domain => $o_domain,
-timeout => $o_timeout
);
} else {
# SNMPV1 login
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-community => $o_community,
-port => $o_port,
-domain => $o_domain,
-timeout => $o_timeout
);
}
}
if (!defined($session)) {
printf("ERROR: %s.\n", $error);
exit $ERRORS{"UNKNOWN"};
}
if (defined($o_octetlength)) {
my $oct_resultat = undef;
my $oct_test = $session->max_msg_size();
verb(" actual max octets:: $oct_test");
$oct_resultat = $session->max_msg_size($o_octetlength);
if (!defined($oct_resultat)) {
printf("ERROR: Session settings : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$oct_test = $session->max_msg_size();
verb(" new max octets:: $oct_test");
}
# Look for process in name or path name table
my $resultat = undef;
my %result_cons = ();
my ($getall_run, $getall_cpu, $getall_mem) = (undef, undef, undef);
if (!defined($o_path)) {
$resultat
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_table($run_name_table)
: $session->get_table(Baseoid => $run_name_table);
} else {
$resultat
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_table($run_path_table)
: $session->get_table(Baseoid => $run_path_table);
}
if (!defined($resultat)) {
printf("ERROR: Process name table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
my $resultat_param = undef;
if (defined($o_param)) { # Get parameter table too
$resultat_param
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_table($run_param_table)
: $session->get_table(Baseoid => $run_param_table);
if (!defined($resultat_param)) {
printf("ERROR: Process param table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
}
if (defined($o_get_all)) {
$getall_run
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_table($proc_run_state)
: $session->get_table(Baseoid => $proc_run_state);
if (!defined($getall_run)) {
printf("ERROR: Process run table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
foreach my $key (keys %$getall_run) {
$result_cons{$key} = $$getall_run{$key};
}
$getall_cpu
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_table($proc_cpu_table)
: $session->get_table(Baseoid => $proc_cpu_table);
if (!defined($getall_cpu)) {
printf("ERROR: Process cpu table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
foreach my $key (keys %$getall_cpu) {
$result_cons{$key} = $$getall_cpu{$key};
}
$getall_mem
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_table($proc_mem_table)
: $session->get_table(Baseoid => $proc_mem_table);
if (!defined($getall_mem)) {
printf("ERROR: Process memory table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
foreach my $key (keys %$getall_mem) {
$result_cons{$key} = $$getall_mem{$key};
}
}
my @tindex = undef;
my @oids = undef;
my @descr = undef;
my $num_int = 0;
my $count_oid = 0;
# Select storage by regexp of exact match
# and put the oid to query in an array
verb("Filter : $o_descr");
foreach my $key (keys %$resultat) {
# test by regexp or exact match
# First add param if necessary
if (defined($o_param)) {
my $pid = (split /\./, $key)[-1];
$pid = $run_param_table . "." . $pid;
$$resultat{$key} .= " " . $$resultat_param{$pid};
}
verb("OID : $key, Desc : $$resultat{$key}");
my $test
= defined($o_noreg)
? $$resultat{$key} eq $o_descr
: $$resultat{$key} =~ /$o_descr/;
if ($test) {
# get the index number of the interface
my @oid_list = split(/\./, $key);
$tindex[$num_int] = pop(@oid_list);
# get the full description
$descr[$num_int] = $$resultat{$key};
# put the oid of running and mem (check this maybe ?) in an array.
$oids[$count_oid++] = $proc_mem_table . "." . $tindex[$num_int];
$oids[$count_oid++] = $proc_cpu_table . "." . $tindex[$num_int];
$oids[$count_oid++] = $proc_run_state . "." . $tindex[$num_int];
#verb("Name : $descr[$num_int], Index : $tindex[$num_int]");
verb($oids[$count_oid - 1]);
$num_int++;
}
}
if ($num_int == 0) {
print "No process ", (defined($o_noreg)) ? "named " : "matching ", $o_descr, " found : ";
if ($o_critL[0] >= 0) {
print "CRITICAL\n";
exit $ERRORS{"CRITICAL"};
} elsif ($o_warnL[0] >= 0) {
print "WARNING\n";
exit $ERRORS{"WARNING"};
}
print "YOU told me it was : OK\n";
exit $ERRORS{"OK"};
}
my $result = undef;
my $num_int_ok = 0;
# Splitting snmp request because can't use get_bulk_request with v1 protocol
if (!defined($o_get_all)) {
if ($count_oid >= 50) {
my @toid = undef;
my $tmp_num = 0;
my $tmp_index = 0;
my $tmp_count = $count_oid;
my $tmp_result = undef;
verb("More than 50 oid, splitting");
while ($tmp_count != 0) {
$tmp_num = ($tmp_count >= 50) ? 50 : $tmp_count;
for (my $i = 0; $i < $tmp_num; $i++) {
$toid[$i] = $oids[$i + $tmp_index];
#verb("$i : $toid[$i] : $oids[$i+$tmp_index]");
}
$tmp_result
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_request(@toid)
: $session->get_request(Varbindlist => \@toid);
if (!defined($tmp_result)) {
printf("ERROR: running table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
foreach (@toid) { $result_cons{$_} = $$tmp_result{$_}; }
$tmp_count -= $tmp_num;
$tmp_index += $tmp_num;
}
} else {
$result
= (version->parse(Net::SNMP->VERSION) < 4)
? $session->get_request(@oids)
: $session->get_request(Varbindlist => \@oids);
if (!defined($result)) {
printf("ERROR: running table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
foreach (@oids) { $result_cons{$_} = $$result{$_}; }
}
}
$session->close;
#Check if process are in running or runnable state
for (my $i = 0; $i < $num_int; $i++) {
my $state = $result_cons{ $proc_run_state . "." . $tindex[$i] };
my $tmpmem = $result_cons{ $proc_mem_table . "." . $tindex[$i] };
my $tmpcpu = $result_cons{ $proc_cpu_table . "." . $tindex[$i] };
verb("Process $tindex[$i] in state $state using $tmpmem, and $tmpcpu CPU");
if (!isnotnum($state)) { # check argument is numeric (can be NoSuchInstance)
$num_int_ok++ if (($state == 1) || ($state == 2));
}
}
my $final_status = 0;
my $perf_output;
my ($res_memory, $res_cpu) = (0, 0);
my $memory_print = "";
my $cpu_print = "";
###### Checks memory usage
if (defined($o_mem)) {
if (defined($o_mem_avg)) {
for (my $i = 0; $i < $num_int; $i++) { $res_memory += $result_cons{ $proc_mem_table . "." . $tindex[$i] }; }
$res_memory /= ($num_int_ok * 1024);
verb("Memory average : $res_memory");
} else {
for (my $i = 0; $i < $num_int; $i++) {
$res_memory
= ($result_cons{ $proc_mem_table . "." . $tindex[$i] } > $res_memory)
? $result_cons{ $proc_mem_table . "." . $tindex[$i] }
: $res_memory;
}
$res_memory /= 1024;
verb("Memory max : $res_memory");
}
if ($res_memory > $o_memL[1]) {
$final_status = 2;
$memory_print = ", Mem : " . sprintf("%.1f", $res_memory) . "Mb > " . $o_memL[1] . " CRITICAL";
} elsif ($res_memory > $o_memL[0]) {
$final_status = 1;
$memory_print = ", Mem : " . sprintf("%.1f", $res_memory) . "Mb > " . $o_memL[0] . " WARNING";
} else {
$memory_print = ", Mem : " . sprintf("%.1f", $res_memory) . "Mb OK";
}
if (defined($o_perf)) {
$perf_output = "'memory_usage'=" . sprintf("%.1f", $res_memory) . "MB;" . $o_memL[0] . ";" . $o_memL[1];
}
}
######## Checks CPU usage
if (defined($o_cpu)) {
my $timenow = time;
my $temp_file_name;
my ($return, @file_values) = (undef, undef);
my $n_rows = 0;
my $n_items_check = 2;
my $trigger = $timenow - ($o_delta - ($o_delta / 10));
my $trigger_low = $timenow - 3 * $o_delta;
my ($old_value, $old_time) = undef;
my $found_value = undef;
#### Get the current values
for (my $i = 0; $i < $num_int; $i++) { $res_cpu += $result_cons{ $proc_cpu_table . "." . $tindex[$i] }; }
verb("Time: $timenow , cpu (centiseconds) : $res_cpu");
#### Read file
$temp_file_name = $o_descr;
$temp_file_name =~ s/ /_/g;
$temp_file_name =~ s/\//_/g;
$temp_file_name =~ s/-//g;
$temp_file_name =~ s/=//g;
$temp_file_name = substr($temp_file_name, 0, 40);
$temp_file_name = $o_base_dir . $o_host . "." . $temp_file_name;
# First, read entire file
my @ret_array = read_file($temp_file_name, $n_items_check);
$return = shift(@ret_array);
$n_rows = shift(@ret_array);
if ($n_rows != 0) { @file_values = @ret_array }
verb("File read returns : $return with $n_rows rows");
#make the checks if the file is OK
if ($return == 0) {
my $j = $n_rows - 1;
do {
if ($file_values[$j][0] < $trigger) {
if ($file_values[$j][0] > $trigger_low) {
# found value = centiseconds / seconds = %cpu
$found_value = ($res_cpu - $file_values[$j][1]) / ($timenow - $file_values[$j][0]);
if ($found_value < 0) { # in case of program restart
$j = 0;
$found_value = undef; # don't look for more values
$n_rows = 0; # reset file
}
}
}
$j--;
} while (($j >= 0) && (!defined($found_value)));
}
###### Write file
$file_values[$n_rows][0] = $timenow;
$file_values[$n_rows][1] = $res_cpu;
$n_rows++;
$return = write_file($temp_file_name, $n_rows, $n_items_check, @file_values);
if ($return != 0) { $cpu_print .= "! ERROR writing file $temp_file_name !"; $final_status = 3; }
##### Check values (if something to check...)
if (defined($found_value)) {
if ($found_value > $o_cpuL[1]) {
$final_status = 2;
$cpu_print .= ", Cpu : " . sprintf("%.0f", $found_value) . "% > " . $o_cpuL[1] . " CRITICAL";
} elsif ($found_value > $o_cpuL[0]) {
$final_status = ($final_status == 2) ? 2 : 1;
$cpu_print .= ", Cpu : " . sprintf("%.0f", $found_value) . "% > " . $o_cpuL[0] . " WARNING";
} else {
$cpu_print .= ", Cpu : " . sprintf("%.0f", $found_value) . "% OK";
}
if (defined($o_perf)) {
if (!defined($perf_output)) { $perf_output = ""; }
else { $perf_output .= " "; }
$perf_output .= "'cpu_usage'=" . sprintf("%.0f", $found_value) . "%;" . $o_cpuL[0] . ";" . $o_cpuL[1];
}
} else {
if ($final_status == 0) { $final_status = 3 }
$cpu_print .= ", No data for CPU (" . $n_rows . " line(s)):UNKNOWN";
}
}
print $num_int_ok, " process ", (defined($o_noreg)) ? "named " : "matching ", $o_descr, " ";
#### Check for min and max number of process
if ($num_int_ok <= $o_critL[0]) {
print "(<= ", $o_critL[0], " : CRITICAL)";
$final_status = 2;
} elsif ($num_int_ok <= $o_warnL[0]) {
print "(<= ", $o_warnL[0], " : WARNING)";
$final_status = ($final_status == 2) ? 2 : 1;
} else {
print "(> ", $o_warnL[0], ")";
}
if (defined($o_critL[1]) && ($num_int_ok > $o_critL[1])) {
print " (> ", $o_critL[1], " : CRITICAL)";
$final_status = 2;
} elsif (defined($o_warnL[1]) && ($num_int_ok > $o_warnL[1])) {
print " (> ", $o_warnL[1], " : WARNING)";
$final_status = ($final_status == 2) ? 2 : 1;
} elsif (defined($o_warnL[1])) {
print " (<= ", $o_warnL[1], "):OK";
}
print $memory_print, $cpu_print;
if (defined($o_perf)) {
if (!defined($perf_output)) { $perf_output = ""; }
else { $perf_output .= " "; }
$perf_output .= "'num_process'=" . $num_int_ok . ";" . $o_warnL[0] . ";" . $o_critL[0];
print " | ", $perf_output;
}
print "\n";
if ($final_status == 2) { exit $ERRORS{"CRITICAL"}; }
if ($final_status == 1) { exit $ERRORS{"WARNING"}; }
if ($final_status == 3) { exit $ERRORS{"UNKNOWN"}; }
exit $ERRORS{"OK"};
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