148 lines
3.6 KiB
Perl
Executable File
148 lines
3.6 KiB
Perl
Executable File
#!/usr/bin/env perl
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our $home;
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BEGIN {
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# try really hard to find a localenv if one isn't already in place.
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$home = ($ENV{NETDISCO_HOME} || $ENV{HOME});
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if (!exists $ENV{PERL_LOCAL_LIB_ROOT}) {
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use File::Spec;
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my $localenv = File::Spec->catfile($FindBin::RealBin, 'localenv');
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exec($localenv, $0, @ARGV) if -f $localenv;
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$localenv = File::Spec->catfile($home, 'perl5', 'bin', 'localenv');
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exec($localenv, $0, @ARGV) if -f $localenv;
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die "Sorry, can't find libs required for App::Netdisco.\n"
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if !exists $ENV{PERLBREW_PERL};
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}
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}
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use FindBin;
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FindBin::again();
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use Path::Class;
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BEGIN {
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# stuff useful locations into @INC and $PATH
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my $location = $FindBin::RealBin;
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unshift @INC,
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dir($location)->parent->subdir('lib')->stringify,
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dir($location, 'lib')->stringify;
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use Config;
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$ENV{PATH} = $location . $Config{path_sep} . $ENV{PATH};
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}
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use App::Netdisco;
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use Dancer ':script';
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use Dancer::Plugin::DBIC 'schema';
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use App::Netdisco::Util::Permission ':all';
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my $settings = setting( 'rancid' );
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my $down_age = $settings->{ 'down_age' } || '1 hour';
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my $rancidhome = $settings->{ 'rancid_home' } || '/var/rancid';
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my $by_ip = {};
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foreach my $g (@{$settings->{ 'by_ip' }}) {
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$by_ip->{$g} = 1;
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}
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my @devices = schema('netdisco')->resultset('Device')->search({},
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{
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'+columns' => {
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old => \"age(now(), last_discover) > interval '$down_age'"
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}
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})->all;
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my $groups = $settings->{ 'groups' };
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my $list = {};
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foreach my $d (@devices) {
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my $old = $d->get_column( 'old' );
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my $devgroup = 'other';
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foreach my $g (keys %$groups) {
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if (check_acl( $d, $groups->{$g} )) {
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$devgroup = $g;
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last;
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}
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}
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push(@{$list->{$devgroup}}, $d);
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}
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my %VENDORMAP = (
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# If netdisco vendor name and rancid vendor name
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# do not map 1:1, map it here.
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);
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foreach my $group (keys %$list) {
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open(ROUTER, ">${rancidhome}/${group}/router.db") || die "${rancidhome}/${group}/router.db: $!\n";
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foreach my $dev (sort {$a->ip cmp $b->ip} @{$list->{$group}}) {
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my $vendor = $dev->vendor;
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my $name;
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if ($VENDORMAP{$vendor}) {
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$vendor = $VENDORMAP{$vendor};
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}
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if ($by_ip->{$group}) {
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$name = $dev->ip;
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} else {
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$name = ($dev->dns || $dev->name);
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}
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printf ROUTER "%s:%s:%s\n", $name, $vendor,
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$dev->get_column( 'old' ) ? "down" : "up";
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}
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close(ROUTER);
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}
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=head1 NAME
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netdisco-rancid-export - Generate RANCID Group Configuration
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=head1 CONFIGURATION
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This script requires some configuration to be added to your Netdisco
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"C<~/environments/deployment.yml>" file, for example:
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rancid:
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rancid_home: /var/lib/rancid
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down_age: '1 day'
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by_ip: [ other ]
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groups:
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switch: [ 'name:.*[Ss][Ww].*' ]
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rtr: [ 'name:[rR]tr.*' ]
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ap: [ 'name:[aA][pP].*' ]
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=head2 C<rancid_home>
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The location to write RANCID Group configuration files into. A subdirectory
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for each Group will be created.
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=head2 C<down_age>
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This should be the same or greater than the interval between regular discover
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jobs on your network. Devices which have not been discovered within this time
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will be marked as "C<down>" to RANCID.
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=head2 C<groups>
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This dictionary maps RANCID Group names with configuration which will match
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devices in the Netdisco database. The configuration is the same as any of
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Netdisco's "C<*_only>" settings, and accepts IP, prefix, device property.
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=head2 C<by_ip>
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List of RANCID Groups which will have Device IPs written to the RANCID
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configuration file, instead of DNS or SNMP host names.
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=head1 SEE ALSO
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=over 4
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=item *
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L<App::Netdisco>
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=back
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=cut
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