a8a77a2df1
* $ssh->capture() aka. directly executing a command via ssh <device> <command> does not seem to work on NXOS7, maybe also others * changed this module to use Expect, successfully tested on NXOS6 - NXOS9
89 lines
2.1 KiB
Perl
89 lines
2.1 KiB
Perl
package App::Netdisco::SSHCollector::Platform::NXOS;
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=head1 NAME
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App::Netdisco::SSHCollector::Platform::NXOS
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=head1 DESCRIPTION
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Collect ARP entries from Cisco NXOS devices.
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=cut
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use strict;
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use warnings;
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use Dancer ':script';
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use Moo;
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use Expect;
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=head1 PUBLIC METHODS
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=over 4
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=item B<arpnip($host, $ssh)>
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Retrieve ARP entries from device. C<$host> is the hostname or IP address
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of the device. C<$ssh> is a Net::OpenSSH connection to the device.
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Returns a list of hashrefs in the format C<< { mac => MACADDR, ip => IPADDR } >>.
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=back
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=cut
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sub arpnip {
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my ($self, $hostlabel, $ssh, $args) = @_;
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debug "$hostlabel $$ arpnip()";
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my ($pty, $pid) = $ssh->open2pty;
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unless ($pty) {
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warn "unable to run remote command [$hostlabel] " . $ssh->error;
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return ();
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}
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#$Expect::Debug = 1;
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#$Expect::Exp_Internal = 1;
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my $expect = Expect->init($pty);
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$expect->raw_pty(1);
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my ($pos, $error, $match, $before, $after);
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my $prompt = qr/# +$/;
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my $timeout = 10;
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($pos, $error, $match, $before, $after) = $expect->expect($timeout, -re, $prompt);
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$expect->send("terminal length 0\n");
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($pos, $error, $match, $before, $after) = $expect->expect($timeout, -re, $prompt);
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# we filter on the : in Age as the output header of the command may contain prompt chars, e.g.
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# Flags: # - Adjacencies Throttled for Glean
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$expect->send("show ip arp vrf all | inc :\n");
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($pos, $error, $match, $before, $after) = $expect->expect($timeout, -re, $prompt);
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my @arpentries;
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my @data = split(/\R/, $before);
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#IP ARP Table for all contexts
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#Total number of entries: 5
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#Address Age MAC Address Interface
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#192.168.228.1 00:00:43 0000.abcd.1111 mgmt0
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#192.168.228.9 00:05:24 cccc.7777.1b1b mgmt0
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foreach (@data) {
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my ($ip, $age, $mac, $iface) = split(/\s+/);
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if ($ip && $ip =~ m/(\d{1,3}\.){3}\d{1,3}/
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&& $mac =~ m/([0-9a-f]{4}\.){2}[0-9a-f]{4}/i) {
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push(@arpentries, { ip => $ip, mac => $mac });
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}
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}
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return @arpentries;
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}
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1;
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