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#!/usr/bin/perl
use strict;
BEGIN {
require "include/config.pm";
}
use JSON -support_by_pp;
use LWP 5.64;
use LWP::UserAgent;
use Net::SSL; # needed, else LWP goes into emo-mode
use Net::IP;
use NetAddr::IP;
use Getopt::Long;
my ($delete);
if (@ARGV > 0) {
GetOptions(
'del|delete' => \$delete,
)
}
# Use this to generate nsupdate for all edge switches
# fetch PI API content
sub get_url{
my $url = shift;
$ENV{PERL_LWP_SSL_VERIFY_HOSTNAME} = 0; # just to be sure :-D
my $ua = LWP::UserAgent->new;
my $req = HTTP::Request->new(GET => $url);
$req->authorization_basic($nms::config::nmsapi_user, $nms::config::nmsapi_pass);
return $ua->request($req)->content();
}
my $json_obj = new JSON;
my $json_content = get_url($nms::config::nmsapi_url . "/api/read/switches-management");
if($json_content){
my $json = $json_obj->allow_nonref->utf8->relaxed->escape_slash->loose->allow_singlequote->allow_barekey->decode($json_content);
print "server $nms::config::pri_v4\n";
foreach my $switch (values %{$json->{switches}}){
next unless ($switch->{subnet4}); # require at least IPv4 client subnet
next unless ($switch->{sysname} =~ m/^e[0-9]+?\-/); # only rows
(my $v4mgmt = $switch->{mgmt_v4_addr}) =~ s/\/[0-9]{1,2}//;
(my $v6mgmt = $switch->{mgmt_v6_addr}) =~ s/\/[0-9]{1,2}//;
(my $v4gw = NetAddr::IP->new($switch->{subnet4})->first()) =~ s/\/[0-9]{1,2}//;
(my $v6gw = NetAddr::IP->new($switch->{subnet6})->first()) =~ s/\/[0-9]{1,2}//;
my $fqdn = $switch->{sysname} . "." . $nms::config::tgname . ".gathering.org.";
my $sw_fqdn = "sw." . $fqdn;
my $gw_fqdn = "gw." . $fqdn;
# A and AAAA-record to the switch
if($delete){
print "update delete $sw_fqdn \t IN A\n";
print "update delete $sw_fqdn \t IN AAAA\n";
} else {
print "update add $sw_fqdn \t 3600 IN A \t $v4mgmt\n";
print "update add $sw_fqdn \t 3600 IN AAAA \t $v6mgmt\n";
}
print "send\n";
# PTR to the switch
if($delete){
print "update delete " . Net::IP->new($v4mgmt)->reverse_ip() . " \t IN PTR\n" if $v4mgmt;
print "send\n" if $v4mgmt;
print "update delete " . Net::IP->new($v6mgmt)->reverse_ip() . " \t IN PTR\n" if $v6mgmt
} else {
print "update add " . Net::IP->new($v4mgmt)->reverse_ip() . " \t 3600 IN PTR \t $sw_fqdn\n" if $v4mgmt;
print "send\n" if $v4mgmt;
print "update add " . Net::IP->new($v6mgmt)->reverse_ip() . " \t 3600 IN PTR \t $sw_fqdn\n" if $v6mgmt;
}
print "send\n";
# A and AAAA-record to the gateway/router
if($delete){
print "update delete $gw_fqdn \t IN A\n";
print "update delete $gw_fqdn \t IN AAAA\n";
} else {
print "update add $gw_fqdn \t 3600 IN A \t $v4gw\n" if $v4gw;
print "update add $gw_fqdn \t 3600 IN AAAA \t $v6gw\n" if $v6gw;
}
print "send\n";
# PTR to the gateway/router
if($delete){
print "update delete " . Net::IP->new($v4gw)->reverse_ip() . " \t IN PTR\n" if $v4gw;
print "send\n" if $v4gw;
print "update delete " . Net::IP->new($v6gw)->reverse_ip() . " \t IN PTR\n" if $v6gw;
} else {
print "update add " . Net::IP->new($v4gw)->reverse_ip() . " \t 3600 IN PTR \t $gw_fqdn\n" if $v4gw;
print "send\n" if $v4gw;
print "update add " . Net::IP->new($v6gw)->reverse_ip() . " \t 3600 IN PTR \t $gw_fqdn\n" if $v6gw;
}
print "send\n";
}
}
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