The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

OLIVER / App-Netdisco-2.084000 / lib / App / Netdisco / SSHCollector / Platform / OS10.pm 

            

              
1
—
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
—
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

              
package App::Netdisco::SSHCollector::Platform::OS10;
=head1 NAME
App::Netdisco::SSHCollector::Platform::OS10
=head1 DESCRIPTION
Collect ARP entries from Dell OS10 devices.
=cut
use strict;
use warnings;
use Dancer ':script';
use Moo;
use Expect;
use NetAddr::MAC qw/mac_as_ieee/;
use Regexp::Common 'net';
=head1 PUBLIC METHODS
=over 4
=item B<arpnip($host, $ssh)>
Retrieve ARP entries from device. C<$host> is the hostname or IP address
of the device. C<$ssh> is a Net::OpenSSH connection to the device.
Returns a list of hashrefs in the format C<< { mac => MACADDR, ip => IPADDR } >>.
=back
=cut
my $if_name_map = {
  Vl => "Vlan",
  Lo => "Loopback",
  Eth => "Ethernet",
  Po => "Port-channel",
};
sub arpnip {
    my ($self, $hostlabel, $ssh, $args) = @_;
    debug "$hostlabel $$ arpnip()";
    my ($pty, $pid) = $ssh->open2pty;
    unless ($pty) {
        warn "unable to run remote command [$hostlabel] " . $ssh->error;
        return ();
    }
    # $Expect::Debug = 1;
    # $Expect::Exp_Internal = 1;
    my $expect = Expect->init($pty);
    $expect->raw_pty(1);
    my ($pos, $error, $match, $before, $after);
    my $prompt = qr/# +$/;
    my $timeout = 60;
    ($pos, $error, $match, $before, $after) = $expect->expect($timeout, -re, $prompt);
    # Get all VRFs, skip header line
    $expect->send("show ip vrf | except VRF-Name | no-more \n");
    ($pos, $error, $match, $before, $after) = $expect->expect($timeout, -re, $prompt);
    my @vrfs = split(/\R/, $before);
    # Regex for VRF name
    my $vrf_re = qr/^([a-z\-_0-9\.]+)\s+.+$/i;
    # IP ARP match
    my $iparp_re = qr/^((\d{1,3}\.){3}\d{1,3})\s*(([0-9a-f]{2}[:-]){5}[0-9a-f]{2})\s+.+$/i;
    # Will hold results
    my @arpentries;
    foreach my $vrf_line (@vrfs) {
        my $vrf_name ;
        # Get the VRF name
        if ($vrf_line && $vrf_line =~ m/$vrf_re/) {
            $vrf_name = $1;
        } else {
            next ;
        }
        # Get IP ARP entries for this VRF
        my $vrf_cmd = sprintf("show ip arp vrf %s | no-more \n", $vrf_name) ;
        $expect->send($vrf_cmd);
        ($pos, $error, $match, $before, $after) = $expect->expect($timeout, -re, $prompt);
        my @iparps = split(/\R/, $before);
        foreach my $iparp_line (@iparps) {
            if($iparp_line && $iparp_line =~ m/$iparp_re/) {
                push(@arpentries, { ip => $1, mac => $3 });
            }
        }
    }
    return @arpentries;
}
sub macsuck {
    my ($self, $hostlabel, $ssh, $args) = @_;
    debug "$hostlabel $$ macsuck()";
    my $cmds = <<EOF;
show mac address-table | no-more
EOF
    my @data = $ssh->capture({stdin_data => $cmds}); chomp @data;
    if ($ssh->error) {
        info "$hostlabel $$ error in SSH command " . $ssh->error;
        return
    }
    #hostname# show mac address-table
    #Legend:
    # VlanId        Mac Address         Type        Interface
    # 54            00:00:5e:00:01:36   dynamic     port-channel1
    # 54            00:50:56:af:12:f5   dynamic     port-channel1
    # 54            00:50:56:af:ca:a3   dynamic     port-channel1
    # 54            04:09:73:e3:22:40   dynamic     port-channel17
     
    my $re_mac_line = qr/^(\d+)\s+((([0-9a-f]{2}[:-]){5})[0-9a-f]{2})\s+\w+\s+([a-z]+.*)$/i;
    my $macentries = {};
    foreach my $line (@data) {
        if ($line && $line =~ m/$re_mac_line/) {
            my $port = $5;
            my $vlan = $1;
            ++$macentries->{$vlan}->{$port}->{mac_as_ieee($2)};
        }
    }
    return $macentries;
}
1;