Files
netdisco/lib/App/Netdisco/Worker/Plugin/Snapshot.pm
2023-08-11 13:29:10 +01:00

74 lines
2.2 KiB
Perl

package App::Netdisco::Worker::Plugin::Snapshot;
use Dancer ':syntax';
use Dancer::Plugin::DBIC;
use App::Netdisco::Worker::Plugin;
use aliased 'App::Netdisco::Worker::Status';
use App::Netdisco::Transport::SNMP;
use App::Netdisco::Util::Snapshot qw/
gather_every_mib_object
dump_cache_to_browserdata
add_snmpinfo_aliases
/;
use MIME::Base64 qw/encode_base64/;
use Storable qw/nfreeze/;
use File::Spec::Functions qw(catdir catfile);
use File::Slurper 'write_text';
use File::Path 'make_path';
register_worker({ phase => 'check' }, sub {
return Status->error('Missing device (-d).')
unless defined shift->device;
return Status->info("snapshot skipped: please run a loadmibs job first")
unless schema('netdisco')->resultset('SNMPObject')->count();
return Status->done('Snapshot is able to run');
});
register_worker({ phase => 'main', driver => 'snmp' }, sub {
my ($job, $workerconf) = @_;
my $device = $job->device;
if (not ($device->in_storage
and not $device->is_pseudo)) {
return Status->error('Can only snapshot a real discovered device.');
}
my $snmp = App::Netdisco::Transport::SNMP->reader_for($device)
or return Status->defer("snapshot failed: could not SNMP connect to $device");
if ($snmp->offline) {
return Status->error('Can only snapshot a real device.');
}
gather_every_mib_object( $device, $snmp, split m/,/, ($job->extra || '') );
add_snmpinfo_aliases($snmp);
dump_cache_to_browserdata( $device, $snmp );
if ($job->port) {
my $frozen = encode_base64( nfreeze( $snmp->cache ) );
if ($job->port =~ m/^(?:both|db)$/) {
debug "snapshot $device - saving snapshot to database";
$device->update_or_create_related('snapshot', { cache => $frozen });
}
if ($job->port =~ m/^(?:both|file)$/) {
my $target_dir = catdir(($ENV{NETDISCO_HOME} || $ENV{HOME}), 'logs', 'snapshots');
make_path($target_dir);
my $target_file = catfile($target_dir, $device->ip);
debug "snapshot $device - saving snapshot to $target_file";
write_text($target_file, $frozen);
}
}
return Status->done(
sprintf "Snapshot data captured from %s", $device->ip);
});
true;