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/**
* InitializeDiskTask.java
*
* Copyright (c) 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 Affero 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 Affero General Public License
* for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
package com.gluster.storage.management.gateway.tasks;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.ContextLoader;
import com.gluster.storage.management.core.constants.GlusterConstants;
import com.gluster.storage.management.core.exceptions.ConnectionException;
import com.gluster.storage.management.core.model.InitDiskStatusResponse;
import com.gluster.storage.management.core.model.InitDiskStatusResponse.FORMAT_STATUS;
import com.gluster.storage.management.core.model.Status;
import com.gluster.storage.management.core.model.TaskInfo;
import com.gluster.storage.management.core.model.TaskInfo.TASK_TYPE;
import com.gluster.storage.management.core.model.TaskStatus;
import com.gluster.storage.management.gateway.services.ClusterService;
import com.gluster.storage.management.gateway.utils.ServerUtil;
import com.sun.jersey.core.util.Base64;
public class InitializeDiskTask extends Task {
private static final String INITIALIZE_DISK_SCRIPT = "format_device.py";
private static final String INITIALIZE_DISK_STATUS_SCRIPT = "get_format_device_status.py";
private String serverName;
private String diskName;
private String fsType;
private String mountPoint;
private ServerUtil serverUtil;
public InitializeDiskTask(ClusterService clusterService, String clusterName, String serverName, String diskName,
String fsType, String deviceMountPoint) {
// Reference contains "Server:disk"
super(clusterService, clusterName, TASK_TYPE.DISK_FORMAT, serverName + ":" + diskName, "Initialize disk "
+ serverName + ":" + diskName, false, false, false);
setServerName(serverName);
setDiskName(diskName);
setFsType(fsType);
setMountpoint(deviceMountPoint);
taskInfo.setName(getId());
init();
}
public InitializeDiskTask(ClusterService clusterService, String clusterName, TaskInfo info) {
super(clusterService, clusterName, info);
init();
}
private void init() {
ApplicationContext ctx = ContextLoader.getCurrentWebApplicationContext();
serverUtil = ctx.getBean(ServerUtil.class);
}
@Override
public String getId() {
return new String(
Base64.encode(getClusterName() + "-" + taskInfo.getType() + "-" + serverName + ":" + diskName));
}
@Override
public void resume() {
getTaskInfo().setStatus(
new TaskStatus(new Status(Status.STATUS_CODE_FAILURE,
"Stop/Pause/Resume is not supported in Disk Initialization")));
}
@Override
public void stop() {
getTaskInfo().setStatus(
new TaskStatus(new Status(Status.STATUS_CODE_FAILURE,
"Stop/Pause/Resume is not supported in Disk Initialization")));
}
@Override
public void pause() {
getTaskInfo().setStatus(
new TaskStatus(new Status(Status.STATUS_CODE_FAILURE,
"Stop/Pause/Resume is not supported in Disk Initialization")));
}
@Override
public void commit() {
// TODO Auto-generated method stub
}
@Override
public TASK_TYPE getType() {
return TASK_TYPE.DISK_FORMAT;
}
@Override
public void start() {
try {
startInitializeDisk(serverName);
} catch(ConnectionException e) {
// online server might have gone offline. update the failure status
getTaskInfo().setStatus(new TaskStatus(new Status(Status.STATUS_CODE_FAILURE, e.getMessage())));
}
}
private void startInitializeDisk(String serverName) {
String output = serverUtil.executeScriptOnServer(serverName, INITIALIZE_DISK_SCRIPT + getFsType() + " "
+ mountPoint + " " + getDiskName() );
TaskStatus taskStatus = new TaskStatus(new Status(Status.STATUS_CODE_RUNNING, output));
taskStatus.setPercentageSupported((getFsType().equals(GlusterConstants.FSTYPE_XFS)) ? false : true);
getTaskInfo().setStatus(taskStatus);
}
@Override
public TaskStatus checkStatus() {
try {
return getInitializingDeviceStatus(serverName, getDiskName());
} catch(ConnectionException e) {
// online server might have gone offline. update the failure status
return new TaskStatus(new Status(Status.STATUS_CODE_FAILURE, e.getMessage()));
}
}
private TaskStatus getInitializingDeviceStatus(String serverName, String diskName) {
InitDiskStatusResponse initDiskStatusResponse;
TaskStatus taskStatus = new TaskStatus();
try {
initDiskStatusResponse = serverUtil.executeScriptOnServer(serverName, INITIALIZE_DISK_STATUS_SCRIPT + " "
+ diskName, InitDiskStatusResponse.class);
} catch(RuntimeException e) {
taskStatus.setCode(Status.STATUS_CODE_FAILURE);
taskStatus.setMessage(e.getMessage());
throw e;
}
if (initDiskStatusResponse.getFormatStatus() == FORMAT_STATUS.COMPLETED) {
taskStatus.setCode(Status.STATUS_CODE_SUCCESS);
} else if (initDiskStatusResponse.getFormatStatus() == FORMAT_STATUS.IN_PROGRESS) {
taskStatus.setCode(Status.STATUS_CODE_RUNNING);
taskStatus.setPercentCompleted(Math.round(initDiskStatusResponse.getCompletedBlocks()
/ initDiskStatusResponse.getTotalBlocks() * 100));
} else if(initDiskStatusResponse.getFormatStatus() == FORMAT_STATUS.NOT_RUNNING) {
taskStatus.setCode(Status.STATUS_CODE_FAILURE);
}
taskStatus.setMessage(initDiskStatusResponse.getMessage());
return taskStatus;
}
public void setDiskName(String diskName) {
this.diskName = diskName;
}
public String getDiskName() {
return diskName;
}
public void setServerName(String serverName) {
this.serverName = serverName;
}
public String getServerName() {
return serverName;
}
public void setFsType(String fsType) {
this.fsType = fsType;
}
public String getFsType() {
return fsType;
}
public void setMountpoint(String deviceMountPoint) {
this.mountPoint = deviceMountPoint;
}
public String getMountpoint() {
return mountPoint;
}
}
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