smeserver-manager/root/usr/share/smanager/themes/default/templates/backdown.html.ep

<%

    my $backups = esmith::BackupHistoryDB->open;
    my $now = time();
    my $backup_rec = $backups->new_record($now, {
	type => 'backup_record', BackupType => 'desktop',
	StartEpochTime => $now,
	});

    # Dump the current mysql tables so that they are part of the image.
    # The events handle cases where mysqld is not enabled, and/or is not running.
    my $status = system("/sbin/e-smith/signal-event", "pre-backup", "desktop");
    if ($status) {
		$c->desktopBackupRecordStatus($backup_rec, 'pre-backup', $status);
		return ($c->l('bac_OPERATION_STATUS_REPORT').$c->l('bac_ERR_PRE_BACKUP'));
    }

    my $clvl = $c->stash('compressionlevel');
    my $cmd = "/bin/tar --create --file=- --directory / @{$c->stash('exclude')}  "
        . "@{$c->stash('directories')} | /usr/bin/gzip $clvl ";

    my $success = open my $fh, '-|', $cmd;
    #unless ($success) { return "Error download command."; };
    if ($success) {
		# Try with download plugin - seems to fail to complete download and also 
		# name of file deposited is not as required.
		#my $output = do { local $/; <$fh> };
		#close $fh;
		#$c->render_file(
			#data => $output,
			#filename => 'output.txt',
			#content_type => 'text/plain'
		#);
		# So organise it ourselves.
		$c->res->headers->content_type('application/x-tar');
		$c->res->headers->content_disposition(qq/attachment; filename="smeserver.tgz"/);
		my $cb;
		$cb = sub {
		my $c = shift;
		my $size = 500 * 1024;
		my $length = sysread($fh, my $buffer, $size);
		unless ($length) {
		  close $fh;
		  undef $cb;
		  $c->finish;
		  return;
		}
		$c->write_chunk($buffer, $cb);
		};
		$c->$cb;
	} else {
		$c->render(text => "Failed to execute command: $!", status => 500);
	}

    # Remove the dumped tables.
    $status = system("/sbin/e-smith/signal-event", "post-backup", "desktop");
    if ($status) {
		$c->desktopBackupRecordStatus($backup_rec, 'post-backup', $status);
		die ($c->l('bac_ERR_POST_BACKUP'),"\n");
    }

    $now = time();
    $backup_rec->set_prop('EndEpochTime', "$now");
    $backup_rec->set_prop('Result', "0");

%>
1;