/*******************************************************************************
* Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
* This file is part of Gluster Management Console.
*
* Gluster 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 3 of the License, or (at your option) any later version.
*
* Gluster 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 this program. If not, see
* <http://www.gnu.org/licenses/>.
*******************************************************************************/
package org.gluster.storage.management.console.dialogs;
import java.util.List;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.wizard.Wizard;
import org.gluster.storage.management.client.VolumesClient;
import org.gluster.storage.management.console.GlusterDataModelManager;
import org.gluster.storage.management.console.IImageKeys;
import org.gluster.storage.management.console.utils.GUIHelper;
import org.gluster.storage.management.console.utils.GlusterLogger;
import org.gluster.storage.management.core.constants.CoreConstants;
import org.gluster.storage.management.core.model.Volume;
import org.gluster.storage.management.core.model.Volume.VOLUME_STATUS;
import org.gluster.storage.management.core.model.Volume.VOLUME_TYPE;
public class CreateVolumeWizard extends Wizard {
private static final String title = "Gluster Management Console - Create Volume";
private CreateVolumePage1 page;
public CreateVolumeWizard() {
setWindowTitle(title);
setHelpAvailable(false); // TODO: Introduce wizard help
}
@Override
public void addPages() {
page = new CreateVolumePage1();
addPage(page);
}
@Override
public boolean performFinish() {
Volume newVolume = page.getVolume();
VolumesClient volumesClient = new VolumesClient();
try {
List<String> servers = GlusterDataModelManager.getInstance().getOfflineServers();
// One or more servers are offline, Show warning if cifs is enabled
if (newVolume.isCifsEnable() && servers != null && servers.size() > 0) {
Integer userAction = new MessageDialog(getShell(), "Create Volume", GUIHelper.getInstance().getImage(
IImageKeys.VOLUME_16x16),
"Performing CIFS updates when one or more servers are offline can trigger "
+ "inconsistent behavior for CIFS accesses in the cluster." + CoreConstants.NEWLINE
+ "Are you sure you want to continue?", MessageDialog.QUESTION, new String[] { "No",
"Yes" }, -1).open();
if (userAction != 1) {
return false; // To stay on the create dialog
}
}
volumesClient.createVolume(newVolume);
// Set proper volume type before assign to model
VOLUME_TYPE volumetype = newVolume.getVolumeType();
if (volumetype == VOLUME_TYPE.REPLICATE && newVolume.getBricks().size() > newVolume.getReplicaCount()) {
newVolume.setVolumeType(VOLUME_TYPE.DISTRIBUTED_REPLICATE);
} else if (volumetype == VOLUME_TYPE.STRIPE && newVolume.getBricks().size() > newVolume.getStripeCount()) {
newVolume.setVolumeType(VOLUME_TYPE.DISTRIBUTED_STRIPE);
}
handleSuccess(newVolume, volumesClient);
} catch (Exception e) {
String errMsg = e.getMessage();
// the error could be in to post-volume-create processing. check if this is the case.
if (volumesClient.volumeExists(newVolume.getName())) {
handlePartSuccess(newVolume, volumesClient, errMsg);
} else {
MessageDialog.openError(getShell(), title, "Volume creation failed! Error: " + errMsg);
return false;
}
}
return true;
}
public void handleSuccess(Volume newVolume, VolumesClient volumesClient) {
String message = "Volume created successfully!";
newVolume.setStatus(VOLUME_STATUS.OFFLINE);
boolean warning = false;
if (page.startVolumeAfterCreation()) {
try {
volumesClient.startVolume(newVolume.getName(), false);
newVolume.setStatus(VOLUME_STATUS.ONLINE);
message = "Volume created and started successfully!";
} catch(Exception e) {
message = "Volume created successfuly, but couldn't be started. Error: " + e.getMessage();
warning = true;
}
}
// update the model
GlusterDataModelManager.getInstance().addVolume(newVolume);
if (warning) {
MessageDialog.openWarning(getShell(), title, message);
} else {
MessageDialog.openInformation(getShell(), title, message);
}
}
public void handlePartSuccess(Volume newVolume, VolumesClient volumesClient, String errMsg) {
// volume exists. error was in post-volume-create
newVolume.setStatus(VOLUME_STATUS.OFFLINE);
boolean error = false;
String message1 = null;
if (page.startVolumeAfterCreation()) {
if (MessageDialog.openConfirm(getShell(), title, "Volume created, but following error(s) occured: "
+ errMsg + CoreConstants.NEWLINE + CoreConstants.NEWLINE
+ "Do you still want to start the volume [" + newVolume.getName() + "]?")) {
try {
volumesClient.startVolume(newVolume.getName(), false);
newVolume.setStatus(VOLUME_STATUS.ONLINE);
message1 = "Volume [" + newVolume.getName() + "] started successfully!"; // Only start operation
} catch(Exception e1) {
message1 = "Volume couldn't be started. Error: " + e1.getMessage();
error = true;
}
}
if (error) {
MessageDialog.openWarning(getShell(), title, message1);
} else if (message1.trim().length() > 0) {
MessageDialog.openInformation(getShell(), title, message1);
}
} else { // Start volume is not checked
MessageDialog.openWarning(getShell(), title,
"Volume created, but following error(s) occured: " + errMsg);
}
// Fetching actual volume info (because of partial success)
Volume volume = newVolume;
try {
volume = volumesClient.getVolume(newVolume.getName());
}catch (Exception e) {
GlusterLogger.getInstance().error("Fetching volume details failed:" + e.getMessage());
}
GlusterDataModelManager.getInstance().addVolume(volume);
}
}