Check Point VSX sshcollector support (M. Kosmach)

Netdisco/lib/App/Netdisco/SSHCollector/Platform/CPVSX.pm

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+package App::Netdisco::SSHCollector::Platform::CPVSX;
+
+=head1 NAME
+
+App::Netdisco::SSHCollector::Platform::CPVSX
+
+=head1 DESCRIPTION
+
+Collect ARP entries from Check Point VSX
+
+This collector uses "C<arp>" as the command for the arp utility on your
+system. Clish "C<show arp>" dows not work correctly in versions prior to R77.30.
+Config example:
+
+ sshcollector:
+   - ip: '192.0.2.1'
+     user: oliver
+     password: letmein
+     expert_password: letmein2
+     platform: CPVSX
+
+=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<$ssh> is a Net::OpenSSH connection to the device.
+
+Returns a list of hashrefs in the format C<< { mac => MACADDR, ip => IPADDR } >>.
+
+=back
+
+=cut
+
+sub arpnip {
+    my ($self, $hostlabel, $ssh, $args) = @_;
+
+    my @arpentries = ();
+
+    debug "$hostlabel $$ arpnip()";
+
+    my ($pty, $pid) = $ssh->open2pty or die "unable to run remote command";
+    my $expect = Expect->init($pty);
+
+    my ($pos, $error, $match, $before, $after);
+    my $prompt;
+
+    $prompt = qr/>/;
+    ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+
+    # TODO: check CP os/version via "cpstat os" and VSX status via "show vsx"
+    # $expect->send("show vsx\n");
+    # ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+    # debug "$hostlabel $$ show vsx: $before";
+
+    # Enumerate virtual systems
+    # Virtual systems list
+    # VS ID       VS NAME
+    # 0           0
+    # 1           BACKUP-VSX_xxxxxx_Context
+    # ...
+
+    $expect->send("show virtual-system all\n");
+    ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+
+    my @vsxentries = ();
+    my @lines = split(m/\n/, $before);
+
+    my $linereg = qr/(\d+)\s+([A-Za-z0-9_-]+)/;
+    foreach my $line (@lines) {
+        if ($line =~ $linereg) {
+            my ($vsid, $vsname) = ($1, $2);
+            push @vsxentries, { vsid => $vsid,  vsname=> $vsname };
+            debug "$hostlabel $$ $vsid, $vsname";
+        }
+    }
+
+    # TODO:
+    # Expert mode should be used only for pre-R77.30 versions
+    # For R77.30 and later we can use:
+    # set virtual-system $vsid
+    # show arp dynamic all
+
+    $expect->send("expert\n");
+
+    $prompt = qr/Enter expert password:/;
+    ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+
+    $expect->send( $args->{expert_password} ."\n" );
+
+    $prompt = qr/#/;
+    ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+
+    foreach (@vsxentries) {
+        my $vsid = $_->{vsid};
+        debug "$hostlabel $$ arpnip VSID: $vsid";
+
+        $expect->send("vsenv $vsid\n");
+        ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+
+        $expect->send("arp -n | tail -n +2\n");
+        ($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
+
+        @lines = split(m/\n/, $before);
+
+        # 192.168.1.1 ether 00:b6:aa:f5:bb:6e C eth1
+        $linereg = qr/([0-9\.]+)\s+ether\s+([a-fA-F0-9:]+)/;
+
+        foreach my $line (@lines) {
+            if ($line =~ $linereg) {
+                my ($ip, $mac) = ($1, $2);
+                push @arpentries, { mac => $mac, ip => $ip };
+                debug "$hostlabel $$ arpnip VSID: $vsid IP: $ip MAC: $mac";
+            }
+        }
+
+    }
+
+    $expect->send("exit\n");
+
+    $prompt = qr/>/;
+    ($pos, $error, $match, $before, $after) = $expect->expect(5, -re, $prompt);
+
+    $expect->send("exit\n");
+
+    $expect->soft_close();
+
+    return @arpentries;
+}
+
+1;