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Merge SNMP plugins for Mikrotik routers into a single multigraph plugin

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This commit is contained in:
Lars Kruse 2020-03-26 01:17:17 +01:00
parent 389ac95638
commit 10534d0dd0
3 changed files with 139 additions and 239 deletions
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139
plugins/router/snmp__mikrotik Executable file
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#!/usr/bin/perl -w
=head1 NAME
snmp__mikrotik - monitor Mikrotik routers via SNMP
=head1 APPLICABLE SYSTEMS
Mikrotik Routers
=head1 CONFIGURATION
As a rule SNMP plugins need site specific configuration. The default
configuration (shown here) will only work on insecure sites/devices.
[snmp_*]
env.version 2
env.community public
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=head1 BUGS
None known.
=head1 AUTHOR
Copyright (C) 2020 Alejandro Suarez (teconecta.es)
Based on snmp__if_ plugin.
=head1 LICENSE
GPLv2.
=cut
use strict;
use Net::SNMP;
my $DEBUG = 0;
my $host = $ENV{host} || undef;
my $port = $ENV{port} || 161;
my $community = $ENV{community} || "public";
my $sysFlashUsageOID = "1.3.6.1.2.1.25.2.3.1.6.131072";
my $sysFlashTotalOID = "1.3.6.1.2.1.25.2.3.1.5.131072";
my $sysRAMUsageOID = "1.3.6.1.2.1.25.2.3.1.6.65536";
my $sysRAMTotalOID = "1.3.6.1.2.1.25.2.3.1.5.65536";
my $response;
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf") {
print "require $sysFlashUsageOID\n";
print "require $sysFlashTotalOID\n";
print "require $sysRAMUsageOID\n";
print "require $sysRAMTotalOID\n";
exit 0;
}
if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_mikrotik$/) {
$host = $1;
if ($host =~ /^([^:]+):(\d+)$/) {
$host = $1;
$port = $2;
}
} elsif (!defined($host)) {
print "# Debug: $0 -- $1\n" if $DEBUG;
die "# Error: couldn't understand what I'm supposed to monitor.";
}
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port
);
die "Croaking: $error" unless (defined ($session));
if ($ARGV[0] and $ARGV[0] eq "config") {
print "host_name $host\n";
$response = $session->get_request($sysFlashTotalOID);
if (defined $response) {
print "multigraph flash\n";
print "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit " . ($response->{$sysFlashTotalOID} * 1024) . "\n";
print "graph_title Flash disk usage\n";
print "graph_category system\n";
print "graph_info This graph shows the router's flash disk usage.\n";
print "graph_order Total Used\n";
print "graph_vlabel bytes\n";
print "sysFlashTotal.label Total Memory\n";
print "sysFlashTotal.draw AREA\n";
print "sysFlashUsage.label Used Memory\n";
print "sysFlashUsage.draw AREA\n";
}
$response = $session->get_request($sysRAMTotalOID);
if (defined $response) {
print "multigraph ram\n";
print "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit " . ($response->{$sysRAMTotalOID} * 1024) . "\n";
print "graph_title RAM usage\n";
print "graph_category system\n";
print "graph_info This graph shows the router's memory usage.\n";
print "graph_order Total Used\n";
print "graph_vlabel bytes\n";
print "sysRAMTotal.label Total Memory\n";
print "sysRAMTotal.draw AREA\n";
print "sysRAMUsage.label Used Memory\n";
print "sysRAMUsage.draw AREA\n";
}
exit 0 unless (($ENV{MUNIN_CAP_DIRTYCONFIG} || 0) == 1);
}
print "multigraph flash\n";
$response = $session->get_request(-varbindlist => [$sysFlashUsageOID, $sysFlashTotalOID]);
if (defined $response) {
print "sysFlashUsage.value ", $response->{$sysFlashUsageOID}*1024, "\n";
print "sysFlashTotal.value ", $response->{$sysFlashTotalOID}*1024, "\n";
} else {
print "sysFlashUsage.value U\n";
print "sysFlashTotal.value U\n";
}
print "multigraph ram\n";
$response = $session->get_request(-varbindlist => [$sysRAMUsageOID, $sysRAMTotalOID]);
if (defined $response) {
print "sysRAMUsage.value ", $response->{$sysRAMUsageOID}*1024, "\n";
print "sysRAMTotal.value ", $response->{$sysRAMTotalOID}*1024, "\n";
} else {
print "sysRAMUsage.value U\n";
print "sysRAMTotal.value U\n";
}
# vim:syntax=perl

120
plugins/router/snmp__mikrotik_flash
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@ -1,120 +0,0 @@
#!/usr/bin/perl -w
=head1 NAME
snmp__mikrotik_flash - Munin plugin to monitor Mikrotik routers Falsh disk utilization.
=head1 APPLICABLE SYSTEMS
Mikrotik Routers
=head1 CONFIGURATION
As a rule SNMP plugins need site specific configuration. The default
configuration (shown here) will only work on insecure sites/devices.
[snmp_*]
env.version 2
env.community public
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=head1 BUGS
None known.
=head1 AUTHOR
Copyright (C) 2020 Alejandro Suarez (teconecta.es)
Based on snmp__if_ plugin.
=head1 LICENSE
GPLv2.
=cut
use strict;
use Net::SNMP;
my $DEBUG = 0;
my $host = $ENV{host} || undef;
my $port = $ENV{port} || 161;
my $community = $ENV{community} || "public";
my $response;
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
{
print "require 1.3.6.1.2.1.25.2.3.1.5.65536 \n";
exit 0;
}
if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_mikrotik_flash$/)
{
$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.";
}
my $sysFlashUsage = "1.3.6.1.2.1.25.2.3.1.6.131072";
my $sysFlashTotal = "1.3.6.1.2.1.25.2.3.1.5.131072";
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port
);
if (!defined ($session))
{
die "Croaking: $error";
}
if ($ARGV[0] and $ARGV[0] eq "config")
{
print "host_name $host\n";
if (!defined ($response = $session->get_request($sysFlashTotal)))
{
die "Croaking: " . $session->error();
}
print "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit " . ($response->{$sysFlashTotal} * 1024) . "\n";
print "graph_title Flash disk usage\n";
print "graph_category system\n";
print "graph_info This graph shows the router's flash disk usage.\n";
print "graph_order Total Used\n";
print "graph_vlabel bytes\n";
print "sysFlashTotal.label Total Memory\n";
print "sysFlashTotal.draw AREA\n";
print "sysFlashUsage.label Used Memory\n";
print "sysFlashUsage.draw AREA\n";
exit 0;
}
if (defined ($response = $session->get_request(-varbindlist => [$sysFlashUsage, $sysFlashTotal])))
{
print "sysFlashUsage.value ", $response->{$sysFlashUsage}*1024, "\n";
print "sysFlashTotal.value ", $response->{$sysFlashTotal}*1024, "\n";
}
else
{
print "sysFlashUsage.value U\n";
print "sysFlashTotal.value U\n";
}
# vim:syntax=perl

119
plugins/router/snmp__mikrotik_ram
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@ -1,119 +0,0 @@
#!/usr/bin/perl -w
=head1 NAME
snmp__mikrotik_flash - Munin plugin to monitor Mikrotik routers RAM utilization.
=head1 APPLICABLE SYSTEMS
Mikrotik Routers
=head1 CONFIGURATION
As a rule SNMP plugins need site specific configuration. The default
configuration (shown here) will only work on insecure sites/devices.
[snmp_*]
env.version 2
env.community public
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=head1 BUGS
None known.
=head1 AUTHOR
Copyright (C) 2020 Alejandro Suarez (teconecta.es)
Based on snmp__if_ plugin.
=head1 LICENSE
GPLv2.
=cut
use strict;
use Net::SNMP;
my $DEBUG = 0;
my $host = $ENV{host} || undef;
my $port = $ENV{port} || 161;
my $community = $ENV{community} || "public";
my $response;
if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
{
print "require 1.3.6.1.2.1.25.2.3.1.5.65536 \n";
exit 0;
}
if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_mikrotik_ram$/)
{
$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.";
}
my $sysRAMUsage = "1.3.6.1.2.1.25.2.3.1.6.65536";
my $sysRAMTotal = "1.3.6.1.2.1.25.2.3.1.5.65536";
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port
);
if (!defined ($session))
{
die "Croaking: $error";
}
if ($ARGV[0] and $ARGV[0] eq "config")
{
print "host_name $host\n";
if (!defined ($response = $session->get_request($sysRAMTotal)))
{
die "Croaking: " . $session->error();
}
print "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit " . ($response->{$sysRAMTotal} * 1024) . "\n";
print "graph_title RAM usage\n";
print "graph_category system\n";
print "graph_info This graph shows the router's memory usage.\n";
print "graph_order Total Used\n";
print "graph_vlabel bytes\n";
print "sysRAMTotal.label Total Memory\n";
print "sysRAMTotal.draw AREA\n";
print "sysRAMUsage.label Used Memory\n";
print "sysRAMUsage.draw AREA\n";
exit 0;
}
if (defined ($response = $session->get_request(-varbindlist => [$sysRAMUsage, $sysRAMTotal])))
{
print "sysRAMUsage.value ", $response->{$sysRAMUsage}*1024, "\n";
print "sysRAMTotal.value ", $response->{$sysRAMTotal}*1024, "\n";
}
else
{
print "sysRAMUsage.value U\n";
print "sysRAMTotal.value U\n";
}
# vim:syntax=perl