170 lines
4.6 KiB
Perl
Executable File
170 lines
4.6 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Copyright (C) 2004 Jimmy Olsen
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# Copyright (C) 2009 Xavier Montagutelli
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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# $Log: snmp__cpu_usage,v $
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# Revision 1.1 2009/09/21 06:59:33 root
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# Initial revision
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#
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# Revision 1.1 2009/09/17 13:43:35 root
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# Initial revision
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#
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# Revision 1.11 2004/12/10 18:51:43 jimmyo
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# linux/apt* has been forced to LANG=C, to get predictable output.
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#
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# Revision 1.10 2004/12/10 10:47:47 jimmyo
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# Change name from ${scale} to ${graph_period}, to be more consistent.
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#
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# Revision 1.9 2004/12/09 22:12:55 jimmyo
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# Added "graph_period" option, to make "graph_sums" usable.
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#
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# Revision 1.8 2004/11/21 00:16:56 jimmyo
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# Changed a lot of plugins so they use DERIVE instead of COUNTER.
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#
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# Revision 1.7 2004/11/16 20:08:26 jimmyo
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# License cleanups.
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#
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# Revision 1.6 2004/11/12 20:28:03 ilmari
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# No debugging info by default
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#
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# Revision 1.5 2004/09/08 15:25:33 ilmari
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# Use /usr/bin/perl in all perl shebang lines.
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#
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# Revision 1.4 2004/09/07 13:19:22 ilmari
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# SNMP plugins now honour the "host" environment variable if they can't deduce the hostname from zsh.
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#
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# Revision 1.3 2004/09/05 12:00:18 jimmyo
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# Set family and capabilities.
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#
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# Revision 1.2 2004/09/04 21:58:28 jimmyo
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# Set category and info fields.
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#
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# Revision 1.1 2004/04/30 22:22:07 jimmyo
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# Added to SNMP based fibre-channel plugins: fc_if and fc_if_err.
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#
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# Revision 1.4 2004/04/30 16:58:14 jimmyo
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# Added max.
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#
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# Revision 1.3 2004/02/22 20:17:58 jimmyo
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# Typo fix
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#
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# Revision 1.2 2004/02/18 21:54:56 jimmyo
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# Did a bit of work on the snmp-thingie.
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#
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# Revision 1.1 2004/01/02 18:50:00 jimmyo
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# Renamed occurrences of lrrd -> munin
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#
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# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
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# Import of LRRD CVS tree after renaming to Munin
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#
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# Revision 1.1 2003/12/19 20:53:45 jimmyo
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# Created by jo
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#
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#
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#%# family=snmpauto
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#%# capabilities=snmpconf
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use strict;
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use Munin::Plugin::SNMP;
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my $DEBUG = 0;
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my $host = $ENV{host} || undef;
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my $port = $ENV{port} || 161;
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my $community = $ENV{community} || "public";
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my $iface = $ENV{interface} || undef;
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my $response;
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if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
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{
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print "number 1.3.6.1.4.1.2021.11.9\n";
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exit 0;
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}
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if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_cpu_usage$/)
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{
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$host = $1;
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if ($host =~ /^([^:]+):(\d+)$/)
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{
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$host = $1;
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$port = $2;
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}
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}
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elsif (!defined($host))
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{
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print "# Debug: $0 -- $1 -- $2\n" if $DEBUG;
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die "# Error: couldn't understand what I'm supposed to monitor.";
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}
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my $cpuUser = "1.3.6.1.4.1.2021.11.9";
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my $cpuSystem = "1.3.6.1.4.1.2021.11.10";
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my $cpuIdle = "1.3.6.1.4.1.2021.11.11";
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my $cpu = 0;
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my %cpuCounters = (
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cpuUser => "1.3.6.1.4.1.2021.11.9.$cpu", # The percentage of CPU time spent processing user-level code, calculated over the last minute
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cpuSystem => "1.3.6.1.4.1.2021.11.10.$cpu", # The percentage of CPU time spent processing system-level code, calculated over the last minute
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cpuIdle => "1.3.6.1.4.1.2021.11.11.$cpu", # The percentage of processor time spent idle, calculated over the last minute
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);
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my $session = Munin::Plugin::SNMP->session(-translate =>
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[ -timeticks => 0x0 ]);
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if (!defined ($session))
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{
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die "Croaking: could not establish SNMP object";
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}
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if ($ARGV[0] and $ARGV[0] eq "config")
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{
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print "host_name $host\n";
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my $warn = undef;
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print "graph_title CPU Usage on $host\n";
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print "graph_args --base 1000 --lower-limit 0\n";
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print "graph_vlabel Percentage on one minute\n";
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print "graph_category system\n";
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print "graph_info This graph shows the CPU usage on one minute\n";
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my $firstCounter = 1;
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foreach my $c (keys %cpuCounters) {
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print $c . ".label $c\n";
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print $c . ".type GAUGE\n";
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if ($firstCounter) {
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print $c . ".draw AREA\n";
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$firstCounter = 0;
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} else {
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print $c . ".draw STACK\n";
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}
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print $c . ".min 0\n";
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}
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exit 0;
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}
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foreach my $c (keys %cpuCounters) {
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if (defined ($response = $session->get_request($cpuCounters{$c})) && $response->{$cpuCounters{$c}} =~ /^[0-9]*$/) {
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print $c . ".value ", $response->{$cpuCounters{$c}}, "\n";
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} else {
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print $c . ".value U\n";
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}
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}
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