60 lines
2.1 KiB
Perl
60 lines
2.1 KiB
Perl
#!/usr/bin/perl
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###############################################################################
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use diagnostics;
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use Net::SNMP;
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use strict;
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use warnings;
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###############################################################################
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my $MemTotalOID = ".1.3.6.1.2.1.25.2.3.1.5.65536";
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my $MemUsedOID = ".1.3.6.1.2.1.25.2.3.1.6.65536";
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my $SNMPCommunity = "public";
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my $SNMPPort = "161";
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###############################################################################
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## Determine Hostname
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my $Host = undef;
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$0 =~ /mikrotikmemory_(.+)*$/;
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unless ($Host = $1) {
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exit 2;
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}
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###############################################################################
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## Initiate SNMP Session
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my ($Session, $Error) = Net::SNMP->session (-hostname => $Host,
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-community => $SNMPCommunity,
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-port => $SNMPPort,
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-timeout => 60,
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-retries => 5,
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-version => 1);
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if (!defined($Session)) {
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die "Croaking: $Error";
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}
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###############################################################################
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## Configuration
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if ($ARGV[0] && $ARGV[0] eq "config") {
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my $Result = $Session->get_request(-varbindlist => [$MemTotalOID]);
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print "host_name " . $Host . "\n";
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print "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit " . ($Result->{$MemTotalOID} * 1024) . "\n";
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print "graph_title Memory usage\n";
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print "graph_category system\n";
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print "graph_info This graph shows the router's memory usage.\n";
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print "graph_order Total Used\n";
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print "graph_vlabel bytes\n";
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print "Total.label Total Memory\n";
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print "Total.draw AREA\n";
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print "Used.label Used Memory\n";
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print "Used.draw AREA\n";
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$Session->close;
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exit;
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}
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###############################################################################
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## Execution
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if (my $Result = $Session->get_request(-varbindlist => [$MemTotalOID, $MemUsedOID])) {
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print "Total.value " . ($Result->{$MemTotalOID} * 1024) . "\n";
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print "Used.value " . ($Result->{$MemUsedOID} * 1024) . "\n";
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$Session->close;
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exit;
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}
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