53 lines
1.4 KiB
Text
53 lines
1.4 KiB
Text
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#!/usr/bin/perl -w
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# SNMP::Extension::PassPersist is required.
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# This is in the package libsnmp-extension-passpersist-perl on Debian and
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# Ubuntu
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# And in the package dev-perl/SNMP-Extension-PassPersist from
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# https://git.grifon.fr/alarig/SwordArMor-gentoo-overlay.git overlay
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# Usage : Copy the script to /usr/local/bin/ifAlias_persist and add to
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# /etc/snmp/snmpd.conf
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# pass_persist .1.3.6.1.2.1.31.1.1.1.18 /usr/local/bin/ifAlias_persist
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use strict;
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use SNMP::Extension::PassPersist;
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# create the object
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my $extsnmp = SNMP::Extension::PassPersist->new(
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backend_collect => \&update_tree,
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idle_count => 10, # no more than 10 idle cycles
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refresh => 60, # refresh every 60 sec
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);
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# run the program
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$extsnmp->run;
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sub update_tree {
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my ($self) = @_;
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my $Base = ".1.3.6.1.2.1.31.1.1.1.18";
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# get the interfaces
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my @iface_list = `ip l | grep mtu | cut -d @ -f 1`;
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my $type = "string";
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foreach my $row (@iface_list){
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my @split = split(": ", $row);
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# remove a possible \n
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$split[1] =~ s/\R//g;
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# cat the file
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my $filename = "/sys/class/net/$split[1]/ifalias";
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open(my $fh, '<:encoding(UTF-8)', $filename)
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or die "Could not open file '$filename' $!";
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# fill the OID with the content
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while (my $desc = <$fh>) {
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chomp $desc;
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my ($key, $value) = ("$Base.$split[0]",$desc);
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$self->add_oid_entry($key,$type,$value);
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}
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}
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}
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