/*
* This file is part of DRBD Management Console by LINBIT HA-Solutions GmbH
* written by Rasto Levrinc.
*
* Copyright (C) 2009, LINBIT HA-Solutions GmbH.
* Copyright (C) 2011-2012, Rastislav Levrinc.
*
* DRBD Management Console is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* DRBD Management Console is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with drbd; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package lcmc.drbd.ui;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Named;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SpringLayout;
import lcmc.common.domain.AccessMode;
import lcmc.common.domain.Application;
import lcmc.host.domain.Host;
import lcmc.common.ui.SpringUtilities;
import lcmc.common.ui.WizardDialog;
import lcmc.drbd.ui.configdialog.DrbdConfig;
import lcmc.cluster.ui.widget.Widget;
import lcmc.cluster.ui.widget.WidgetFactory;
import lcmc.drbd.service.DRBD;
import lcmc.logger.Logger;
import lcmc.logger.LoggerFactory;
import lcmc.common.ui.utils.MyButton;
import lcmc.common.domain.util.Tools;
/**
* An implementation of a dialog where drbd block devices are initialized.
* information.
*/
@Named
public final class SplitBrain extends DrbdConfig {
private static final Logger LOG = LoggerFactory.getLogger(SplitBrain.class);
private static final int COMBOBOX_WIDTH = 160;
/** Combo box with host that has more recent data. */
private Widget hostWithBetterDataWidget;
@Inject
private WidgetFactory widgetFactory;
private MyButton resolveButton;
protected void resolve() {
final Host h1 = getDrbdVolumeInfo().getFirstBlockDevInfo().getHost();
final Host h2 = getDrbdVolumeInfo().getSecondBlockDevInfo().getHost();
final String h = hostWithBetterDataWidget.getStringValue();
final Runnable runnable = new Runnable() {
@Override
public void run() {
final Host hostPri;
final Host hostSec;
if (h.equals(h1.getName())) {
hostPri = h1;
hostSec = h2;
} else if (h.equals(h2.getName())) {
hostPri = h2;
hostSec = h1;
} else {
LOG.appError("resolve: unknown host: " + h);
return;
}
buttonClass(finishButton()).setEnabled(false);
resolveButton.setEnabled(false);
final Application.RunMode runMode = Application.RunMode.LIVE;
final String resName = getDrbdVolumeInfo().getDrbdResourceInfo().getName();
DRBD.setSecondary(hostSec, resName, getDrbdVolumeInfo().getName(), runMode);
DRBD.disconnect(hostSec, resName, getDrbdVolumeInfo().getName(), runMode);
DRBD.discardData(hostSec, resName, null, runMode);
getDrbdVolumeInfo().connect(hostPri, runMode);
buttonClass(finishButton()).setEnabled(true);
buttonClass(cancelButton()).setEnabled(false);
}
};
final Thread thread = new Thread(runnable);
thread.start();
}
@Override
public WizardDialog nextDialog() {
return null;
}
@Override
protected String getDialogTitle() {
return Tools.getString("Dialog.Drbd.SplitBrain.Title");
}
@Override
protected String getDescription() {
return Tools.getString("Dialog.Drbd.SplitBrain.Description");
}
@Override
protected void initDialogBeforeVisible() {
super.initDialogBeforeVisible();
resolveButton.setBackgroundColor(Tools.getDefaultColor("ConfigDialog.Button"));
}
@Override
protected void initDialogAfterVisible() {
enableComponents();
}
@Override
protected JComponent getInputPane() {
final JPanel inputPane = new JPanel(new SpringLayout());
/* host */
final Set<Host> hosts = getDrbdVolumeInfo().getHosts();
final JLabel hostLabel = new JLabel(Tools.getString("Dialog.Drbd.SplitBrain.ChooseHost"));
final Host[] hostsArray = hosts.toArray(new Host[hosts.size()]);
hostWithBetterDataWidget = widgetFactory.createInstance(
Widget.Type.COMBOBOX,
hostsArray[0],
hostsArray,
Widget.NO_REGEXP,
COMBOBOX_WIDTH,
Widget.NO_ABBRV,
new AccessMode(AccessMode.RO, AccessMode.NORMAL),
Widget.NO_BUTTON);
inputPane.add(hostLabel);
inputPane.add(hostWithBetterDataWidget.getComponent());
resolveButton = widgetFactory.createButton(Tools.getString("Dialog.Drbd.SplitBrain.ResolveButton"));
resolveButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
resolve();
}
});
inputPane.add(resolveButton);
SpringUtilities.makeCompactGrid(inputPane, 1, 3, //rows, cols
1, 1, //initX, initY
1, 1); //xPad, yPad
return inputPane;
}
}