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contrib-munin/plugins/system/snmp__memory_win

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2010-11-25 14:39:45 +01:00
#!/usr/bin/perl -w
#
# Copyright (C) 2004 Jimmy Olsen
#
# 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; version 2 dated June,
# 1991.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
# $Log$
# Revision 1.10 2004/11/16 20:08:26 jimmyo
# License cleanups.
#
# Revision 1.9 2004/09/08 15:25:33 ilmari
# Use /usr/bin/perl in all perl shebang lines.
#
# Revision 1.8 2004/09/07 13:19:22 ilmari
# SNMP plugins now honour the "host" environment variable if they can't deduce the hostname from zsh.
#
# Revision 1.7 2004/09/07 12:58:41 ilmari
# SNMP plugin "df" properly strips the label and serial number fromWindows drive labels.
#
# Revision 1.6 2004/09/05 12:00:18 jimmyo
# Set family and capabilities.
#
# Revision 1.5 2004/09/04 21:58:28 jimmyo
# Set category and info fields.
#
# Revision 1.4 2004/09/04 21:33:12 jimmyo
# Handle strange characters better.
#
# Revision 1.3 2004/09/04 21:08:16 jimmyo
# SNMP df plugin now talks Windowese.
#
# Revision 1.2 2004/09/03 22:56:51 jimmyo
# Added support for SNMP probing.
#
# Revision 1.1 2004/04/29 22:29:57 jimmyo
# New SNMP plugin for disk usage.
#
# Revision 1.3 2004/02/22 20:17:58 jimmyo
# Typo fix
#
# Revision 1.2 2004/02/18 21:54:56 jimmyo
# Did a bit of work on the snmp-thingie.
#
# Revision 1.1 2004/01/02 18:50:00 jimmyo
# Renamed occurrances of lrrd -> munin
#
# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
# Import of LRRD CVS tree after renaming to Munin
#
# Revision 1.1 2003/12/19 20:53:45 jimmyo
# Created by jo
#
#%# family=snmpauto
#%# capabilities=snmpconf
use strict;
use Net::SNMP;
my $DEBUG = 0;
my $MAXLABEL = 20;
my $host = $ENV{host} || undef;
my $port = $ENV{port} || 161;
my $community = $ENV{community} || "public";
my $iface = $ENV{interface} || undef;
my $response;
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
{
print "index 1.3.6.1.2.1.25.2.3.1.1.\n";
print "index 1.3.6.1.2.1.25.5.1.1.2.\n";
print "require 1.3.6.1.2.1.25.5.1.1.2. [1-9]\n";
print "require 1.3.6.1.2.1.25.2.2.0\n"; # memsize
print "require 1.3.6.1.2.1.25.2.3.1.2. 1.3.6.1.2.1.25.2.1.(2|3)\n"; # Type=fixed disk
print "require 1.3.6.1.2.1.25.2.3.1.5. [1-9]\n"; # Size > 0
exit 0;
}
if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_memory_win$/)
{
$host = $1;
if ($host =~ /^([^:]+):(\d+)$/)
{
$host = $1;
$port = $2;
}
}
elsif (!defined($host))
{
print "# Debug: $0 -- $1\n" if $DEBUG;
die "# Error: couldn't understand what I'm supposed to monitor.";
}
# Disk level
my $hrDeviceType = "1.3.6.1.2.1.25.3.2.1.2."; # Should be iso.3.6.1.2.1.25.3.1.6 (DiskStorage)
my $hrDiskStorageRemoveble = "1.3.6.1.2.1.25.3.6.1.3."; # Should be false (2).
# Windows reports 0.
my $hrDiskStorageCapacity = "1.3.6.1.2.1.25.3.6.1.4."; # Should be more than 0
# Partition level
my $hrPartitionFSIndex = "1.3.6.1.2.1.25.3.7.1.5."; # Should be more than 0
my $hrFSMountPoint = "1.3.6.1.2.1.25.3.8.1.2."; # Used to look up filesystem
# Filesystem level
my $hrStorageType = "1.3.6.1.2.1.25.2.3.1.2."; # Backup for hrFS*
my $hrStorageDesc = "1.3.6.1.2.1.25.2.3.1.3."; # Used as key from partitions
my $hrStorageSize = "1.3.6.1.2.1.25.2.3.1.5."; # Data point 1
my $hrStorageUnit = "1.3.6.1.2.1.25.2.3.1.4."; # Data point 3
my $hrStorageUsed = "1.3.6.1.2.1.25.2.3.1.6."; # Data point 2
# Memory
my $hrSWRunPerfMem = "1.3.6.1.2.1.25.5.1.1.2.";
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port
);
if (!defined ($session))
{
die "Croaking: $error";
}
my %partitions;
my $stor_id;
$stor_id = get_by_regex ($session, $hrStorageType, "1.3.6.1.2.1.25.2.1.(3|2)");
%partitions = ();
foreach my $id (keys %$stor_id)
{
my $part = get_single ($session, $hrStorageDesc . $id);
$partitions{$part}{storage} = $id;
$partitions{$part}{extinfo} = $part;
$stor_id->{$id} = $part;
}
if (defined $ARGV[0] and $ARGV[0] eq "config")
{
print "host_name $host\n";
print "graph_title Windows memory usage\n";
print "graph_args -l 0 --base 1024\n";
print "graph_vlabel Bytes\n";
print "graph_category system\n";
print "graph_info This graph shows Windows memory usage in bytes.\n";
foreach my $part (keys %partitions)
{
print (&get_name_by_mp ($part), ".label $part Usage\n");
# print (&get_name_by_mp ($part), ".warning 92\n");
# print (&get_name_by_mp ($part), ".critical 98\n");
print (&get_name_by_mp ($part) . "_s", ".label $part Size\n");
print (&get_name_by_mp ($part) . "_s", ".graph no\n");
}
print "pused.label In use by programs\n";
print "pused.draw AREA\n";
exit 0;
}
foreach my $storage (keys %$stor_id)
{
$partitions{$stor_id->{$storage}}{storage} = $storage;
$partitions{$stor_id->{$storage}}{size} = get_single ($session, $hrStorageSize . $storage);
$partitions{$stor_id->{$storage}}{unit} = get_single ($session, $hrStorageUnit . $storage);
$partitions{$stor_id->{$storage}}{used} = get_single ($session, $hrStorageUsed . $storage);
}
foreach my $part (keys %partitions)
{
print (&get_name_by_mp ($part), ".value ", $partitions{$part}{used}*$partitions{$part}{unit}, "\n");
print (&get_name_by_mp ($part) . "_s", ".value ", $partitions{$part}{size}*$partitions{$part}{unit}, "\n");
}
my $memsize = &get_single($session, "1.3.6.1.2.1.25.2.2.0") * 1024;
my $processes = get_by_regex($session, $hrSWRunPerfMem, "[1-9]");
# the values
my $memtotal = 0;
while (my ($pid, $mem) = each(%$processes)) {
$memtotal += $mem;
}
$memtotal*=1024;
printf "pused.value $memtotal\n";
sub get_single
{
my $handle = shift;
my $oid = shift;
print "# Getting single $oid..." if $DEBUG;
$response = $handle->get_request ($oid);
if (!defined $response->{$oid})
{
print "undef\n" if $DEBUG;
return undef;
}
else
{
print "\"$response->{$oid}\"\n" if $DEBUG;
return $response->{$oid};
}
}
sub get_by_regex
{
my $handle = shift;
my $oid = shift;
my $regex = shift;
my $result = {};
my $num = 0;
my $ret = $oid . "0";
my $response;
print "# Starting browse of $oid...\n" if $DEBUG;
while (1)
{
if ($num == 0)
{
print "# Checking for $ret...\n" if $DEBUG;
$response = $handle->get_request ($ret);
}
if ($num or !defined $response)
{
print "# Checking for sibling of $ret...\n" if $DEBUG;
$response = $handle->get_next_request ($ret);
}
if (!$response)
{
return undef;
}
my @keys = keys %$response;
$ret = $keys[0];
print "# Analyzing $ret (compared to $oid)...\n" if $DEBUG;
last unless ($ret =~ /^$oid/);
$num++;
next unless ($response->{$ret} =~ /$regex/);
@keys = split (/\./, $ret);
$result->{$keys[-1]} = ($1) ? $1 : $response->{$ret};
print "# Index $num: ", $keys[-1], " (", $response->{$ret}, ")\n" if $DEBUG;
};
return $result;
}
sub get_name_by_mp
{
my $mp = shift;
$mp =~ s/[^a-z0-9_]/_/gi;
$mp =~ tr/A-Z/a-z/;
return "p" . $mp;
}