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netdisco/lib/App/Netdisco/Web/Plugin/Device/Neighbors.pm

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package App::Netdisco::Web::Plugin::Device::Neighbors;
use Dancer ':syntax';
use Dancer::Plugin::Ajax;
use Dancer::Plugin::DBIC;
use Dancer::Plugin::Auth::Extensible;
use SNMP::Info ();
use List::Util 'first';
use List::MoreUtils ();
use App::Netdisco::Util::Permission 'check_acl_only';
use App::Netdisco::Web::Plugin;
register_device_tab({ tag => 'netmap', label => 'Neighbors' });
ajax '/ajax/content/device/netmap' => require_login sub {
content_type('text/html');
template 'ajax/device/netmap.tt', {}, { layout => undef };
};
ajax '/ajax/data/device/netmappositions' => require_login sub {
my $p = param('positions') or send_error('Missing positions', 400);
my $positions = from_json($p) or send_error('Bad positions', 400);
send_error('Bad positions', 400) unless ref [] eq ref $positions;
my $vlan = param('vlan');
undef $vlan if (defined $vlan and $vlan !~ m/^\d+$/);
my $mapshow = param('mapshow');
return if !defined $mapshow or $mapshow !~ m/^(?:all|only)$/;
# list of groups selected by user and passed in param
my $devgrp = (ref [] eq ref param('devgrp') ? param('devgrp') : [param('devgrp')]);
# list of groups validated as real host groups and named host groups
my @hgrplist = List::MoreUtils::uniq
grep { exists setting('host_group_displaynames')->{$_} }
grep { exists setting('host_groups')->{$_} }
grep { defined } @{ $devgrp };
return if $mapshow eq 'only' and 0 == scalar @hgrplist;
push(@hgrplist, '__ANY__') if 0 == scalar @hgrplist;
my %clean = ();
POSITION: foreach my $pos (@$positions) {
next unless ref {} eq ref $pos;
foreach my $k (qw/ID x y/) {
next POSITION unless exists $pos->{$k};
next POSITION unless $pos->{$k} =~ m/^[[:word:]\.-]+$/;
}
$clean{$pos->{ID}} = { x => $pos->{x}, y => $pos->{y} };
}
return unless scalar keys %clean;
my $posrow = schema('netdisco')->resultset('NetmapPositions')->find({
device_groups => \[ '= ?', [device_groups => [sort @hgrplist]] ],
vlan => ($vlan || 0)});
if ($posrow) {
$posrow->update({ positions => to_json(\%clean) });
}
else {
schema('netdisco')->resultset('NetmapPositions')->create({
device_groups => [sort @hgrplist],
vlan => ($vlan || 0),
positions => to_json(\%clean),
});
}
};
sub to_speed {
my $speed = shift or return '';
return SNMP::Info::munge_highspeed($speed / 1_000_000);
}
sub make_node_infostring {
my $node = shift or return '';
my $fmt = ('<b>%s</b> is %s <b>%s %s</b><br>running <b>%s %s</b><br>Serial: <b>%s</b><br>'
.'Uptime: <b>%s</b><br>Location: <b>%s</b><br>Contact: <b>%s</b>');
return sprintf $fmt, $node->ip,
((($node->vendor || '') =~ m/^[aeiou]/i) ? 'an' : 'a'),
ucfirst($node->vendor || ''),
map {defined $_ ? $_ : ''}
map {$node->$_}
(qw/model os os_ver serial uptime_age location contact/);
}
sub make_link_infostring {
my $link = shift or return '';
my $domain = quotemeta( setting('domain_suffix') || '' );
(my $left_name = lc($link->{left_dns} || $link->{left_name} || $link->{left_ip})) =~ s/$domain$//;
(my $right_name = lc($link->{right_dns} || $link->{right_name} || $link->{right_ip})) =~ s/$domain$//;
if ($link->{aggports} == 1) {
return sprintf '<b>%s:%s</b> (%s)<br><b>%s:%s</b> (%s)',
$left_name, $link->{left_port}->[0], $link->{left_descr}->[0],
$right_name, $link->{right_port}->[0], $link->{right_descr}->[0];
}
else {
return sprintf '<b>%s:(%s)</b><br><b>%s:(%s)</b>',
$left_name, join(',', @{$link->{left_port}}),
$right_name, join(',', @{$link->{right_port}});
}
}
ajax '/ajax/data/device/netmap' => require_login sub {
my $q = param('q');
my $qdev = schema('netdisco')->resultset('Device')
->search_for_device($q) or send_error('Bad device', 400);
my $vlan = param('vlan');
undef $vlan if (defined $vlan and $vlan !~ m/^\d+$/);
my $mapshow = (param('mapshow') || 'neighbors');
$mapshow = 'neighbors' if $mapshow !~ m/^(?:all|neighbors|only)$/;
$mapshow = 'all' unless $qdev->in_storage;
# list of groups selected by user and passed in param
my $devgrp = (ref [] eq ref param('devgrp') ? param('devgrp') : [param('devgrp')]);
# list of groups validated as real host groups and named host groups
my @hgrplist = List::MoreUtils::uniq
grep { exists setting('host_group_displaynames')->{$_} }
grep { exists setting('host_groups')->{$_} }
grep { defined } @{ $devgrp };
my %ok_dev = ();
my %logvals = ();
my %metadata = ();
my %data = ( nodes => [], links => [] );
my $domain = quotemeta( setting('domain_suffix') || '' );
# LINKS
my $links = schema('netdisco')->resultset('Virtual::DeviceLinks')->search({
($mapshow eq 'neighbors' ? ( -or => [
{ left_ip => $qdev->ip },
{ right_ip => $qdev->ip },
]) : ())
}, { result_class => 'DBIx::Class::ResultClass::HashRefInflator' });
if ($vlan) {
$links = $links->search({
-or => [
{ 'left_vlans.vlan' => $vlan },
{ 'right_vlans.vlan' => $vlan },
],
}, {
join => [qw/left_vlans right_vlans/],
});
}
while (my $link = $links->next) {
push @{$data{'links'}}, {
FROMID => $link->{left_ip},
TOID => $link->{right_ip},
INFOSTRING => make_link_infostring($link),
SPEED => to_speed($link->{aggspeed}),
};
++$ok_dev{$link->{left_ip}};
++$ok_dev{$link->{right_ip}};
}
# DEVICES (NODES)
my $posrow = schema('netdisco')->resultset('NetmapPositions')->find({
device_groups => \[ '= ?',
[device_groups => [$mapshow eq 'all' ? '__ANY__' : (sort @hgrplist)]] ],
vlan => ($vlan || 0)});
my $pos_for = from_json( $posrow ? $posrow->positions : '{}' );
my $devices = schema('netdisco')->resultset('Device')->search({}, {
'+select' => [\'floor(log(throughput.total))'], '+as' => ['log'],
join => 'throughput',
})->with_times;
DEVICE: while (my $device = $devices->next) {
# if in neighbors or vlan mode then use %ok_dev to filter
next DEVICE if (($mapshow eq 'neighbors') or $vlan)
and (not $ok_dev{$device->ip});
# if in only mode then use ACLs to filter
my $first_hgrp =
first { check_acl_only($device, setting('host_groups')->{$_}) } @hgrplist;
next DEVICE if $mapshow eq 'only' and not $first_hgrp;
++$logvals{ $device->get_column('log') || 1 };
(my $name = lc($device->dns || $device->name || $device->ip)) =~ s/$domain$//;
my $node = {
ID => $device->ip,
SIZEVALUE => (param('dynamicsize') ?
(($device->get_column('log') || 1) * 1000) : 3000),
(param('colorgroups') ?
(COLORVALUE => ($first_hgrp ? setting('host_group_displaynames')->{$first_hgrp}
: 'Other')) : ()),
LABEL => (param('showips')
? (($name eq $device->ip) ? $name : ($name .' '. $device->ip)) : $name),
ORIG_LABEL => $name,
INFOSTRING => make_node_infostring($device),
LINK => uri_for('/device', {
tab => 'netmap',
q => $device->ip,
firstsearch => 'on',
})->path_query,
};
if ($mapshow ne 'neighbors' and exists $pos_for->{$device->ip}) {
$node->{'fixed'} = 1;
$node->{'x'} = $pos_for->{$device->ip}->{'x'};
$node->{'y'} = $pos_for->{$device->ip}->{'y'};
}
else {
++$metadata{'newnodes'};
}
push @{$data{'nodes'}}, $node;
$metadata{'centernode'} = $device->ip
if $qdev and $qdev->in_storage and $device->ip eq $qdev->ip;
}
# to help get a sensible range of node sizes
$metadata{'numsizes'} = scalar keys %logvals;
content_type('application/json');
to_json({ data => \%data, %metadata });
};
true;