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Linux (arp) support in netdisco-sshcollector (M. Sheinberg)

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This commit is contained in:
Oliver Gorwits
2015-02-28 11:58:41 +00:00
parent 71b7d44eea
commit 20be18806d
8 changed files with 92 additions and 6 deletions
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2
Netdisco/lib/App/Netdisco/SSHCollector/Platform/ACE.pm
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@@ -36,7 +36,7 @@ use Moo;
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 an array of hashrefs in the format { mac => MACADDR, ip => IPADDR }.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut

2
Netdisco/lib/App/Netdisco/SSHCollector/Platform/ASA.pm
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@@ -42,7 +42,7 @@ use Moo;
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 an array of hashrefs in the format { mac => MACADDR, ip => IPADDR }.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut

2
Netdisco/lib/App/Netdisco/SSHCollector/Platform/BigIP.pm
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@@ -34,7 +34,7 @@ use Moo;
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 an array of hashrefs in the format { mac => MACADDR, ip => IPADDR }.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut
sub arpnip {

2
Netdisco/lib/App/Netdisco/SSHCollector/Platform/IOS.pm
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@@ -27,7 +27,7 @@ use Moo;
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 an array of hashrefs in the format { mac => MACADDR, ip => IPADDR }.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut

2
Netdisco/lib/App/Netdisco/SSHCollector/Platform/IOSXR.pm
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@@ -27,7 +27,7 @@ use Moo;
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 an array of hashrefs in the format { mac => MACADDR, ip => IPADDR }.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut

80
Netdisco/lib/App/Netdisco/SSHCollector/Platform/Linux.pm Normal file
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@@ -0,0 +1,80 @@
package App::Netdisco::SSHCollector::Platform::Linux;
=head1 NAME
App::Netdisco::SSHCollector::Platform::Linux
=head1 DESCRIPTION
Collect ARP entries from Linux routers
This collector uses "C<arp>" as the command for the arp utility on your
system. If you wish to specify an absolute path, then add an C<arp_command>
item to your configuration:
sshcollector:
- ip: '192.0.2.1'
user: oliver
password: letmein
platform: Linux
arp_command: '/usr/sbin/arp'
=cut
use strict;
use warnings;
use Dancer ':script';
use Expect;
use Moo;
=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<$ssh> is a Net::OpenSSH connection to the device.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut
sub arpnip {
my ($self, $hostlabel, $ssh, $args) = @_;
debug "$hostlabel $$ arpnip()";
my ($pty, $pid) = $ssh->open2pty or die "unable to run remote command";
my $expect = Expect->init($pty);
my ($pos, $error, $match, $before, $after);
my $prompt = qr/\$/;
($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
my $command = ($args->{arp_command} || 'arp');
$expect->send("$command -n | tail -n +2\n");
($pos, $error, $match, $before, $after) = $expect->expect(5, -re, $prompt);
my @arpentries = ();
my @lines = split(m/\n/, $before);
# 192.168.1.1 ether 00:b6:aa:f5:bb:6e C eth1
my $linereg = qr/([0-9\.]+)\s+ether\s+([a-f0-9:]+)/;
foreach my $line (@lines) {
if ($line =~ $linereg) {
my ($ip, $mac) = ($1, $2);
push @arpentries, { mac => $mac, ip => $ip };
}
}
$expect->send("exit\n");
$expect->soft_close();
return @arpentries;
}
1;

2
Netdisco/lib/App/Netdisco/SSHCollector/Platform/PaloAlto.pm
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@@ -28,7 +28,7 @@ use Moo;
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 an array of hashrefs in the format { mac => MACADDR, ip => IPADDR }.
Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
=cut