59 lines
1.8 KiB
Plaintext
59 lines
1.8 KiB
Plaintext
## 19_check_snmp_load_n5k by Luis I. Perez Villota
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##
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## DP: Add support for n5k to check_snmp_load.pl
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## From 1fcf4f4220edb886fb85931792542d962cf02ecb Mon Sep 17 00:00:00 2001
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## From: Michael Friedrich <michael.friedrich@gmail.com>
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## Date: Sat, 25 Apr 2015 15:20:32 +0200
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## Subject: [PATCH] check_snmp_load.pl - Linux load multiple CPUs
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## Linux load doesn't handle multiple CPUs properly. Here is a patch that makes
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## the plugin to get the number of CPUs for a particular system and multiply
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## warning and critical limits by this number.
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fixes #6
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---
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check_snmp_load.pl | 19 ++++++++++++++++++-
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1 file changed, 18 insertions(+), 1 deletion(-)
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diff --git a/check_snmp_load.pl b/check_snmp_load.pl
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index fd13f71..1f29ac5 100755
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--- a/check_snmp_load.pl
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+++ b/check_snmp_load.pl
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@@ -363,6 +363,20 @@ sub check_options {
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if ($o_check_type eq "netsl") {
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verb("Checking linux load");
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+
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+# Get number of CPUs
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+my $resultat = (Net::SNMP->VERSION < 4) ?
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+ $session->get_table($proc_id)
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+ : $session->get_table(Baseoid => $proc_id);
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+
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+if (!defined($resultat)) {
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+ printf("ERROR: Description table : %s.\n", $session->error);
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+ $session->close;
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+ exit $ERRORS{"UNKNOWN"};
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+}
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+
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+my $ncpu = keys %$resultat;
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+
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# Get load table
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my $resultat = (Net::SNMP->VERSION lt 4) ?
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$session->get_table($linload_table)
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@@ -397,10 +411,13 @@ sub check_options {
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for (my $i=0;$i<3;$i++) { $load[$i] = $$resultat{$linload_load . "." . $iload[$i]}};
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-print "Load : $load[0] $load[1] $load[2] :";
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+print "Load (CPUs: $ncpu) : $load[0] $load[1] $load[2] :";
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$exit_val=$ERRORS{"OK"};
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for (my $i=0;$i<3;$i++) {
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+ # Multiply warning and critical levels by the number of CPUs
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+ $o_warnL[$i] *= $ncpu;
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+ $o_critL[$i] *= $ncpu;
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if ( $load[$i] > $o_critL[$i] ) {
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print " $load[$i] > $o_critL[$i] : CRITICAL";
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$exit_val=$ERRORS{"CRITICAL"};
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