Alerts, Running tasks and Chart refresh on all views

Password icons removed
[Bug 3265] Adding an already added server throws error message - hostname validation fix

11 files changed, 307 insertions, 100 deletions

diff --git a/src/com.gluster.storage.management.gui/icons/tango/32x32/change-password.png b/src/com.gluster.storage.management.gui/icons/tango/32x32/change-password.png
deleted file mode 100644
index ea8f97ae..00000000
--- a/src/com.gluster.storage.management.gui/icons/tango/32x32/change-password.png
+++ /dev/null
diff --git a/src/com.gluster.storage.management.gui/plugin.xml b/src/com.gluster.storage.management.gui/plugin.xml
index 3955ed91..35ef6537 100644
--- a/src/com.gluster.storage.management.gui/plugin.xml
+++ b/src/com.gluster.storage.management.gui/plugin.xml
@@ -1084,7 +1084,6 @@
                allowLabelUpdate="false"
                class="com.gluster.storage.management.gui.actions.ChangePasswordAction"
                definitionId="com.gluster.storage.management.gui.commands.ChangePassword"
-               icon="icons/tango/32x32/change-password.png"
                id="com.gluster.storage.management.gui.actions.ChangePasswordAction"
                label="&Change Password"
                menubarPath="com.gluster.storage.management.gui.menu.edit/edit"
@@ -1099,7 +1098,6 @@
                allowLabelUpdate="false"
                class="com.gluster.storage.management.gui.actions.ExportSshKeysAction"
                definitionId="com.gluster.storage.management.gui.commands.ExportSshKeys"
-               icon="icons/tango/32x32/export-keys.png"
                id="com.gluster.storage.management.gui.actions.ExportSshKeysAction"
                label="&Export Keys"
                menubarPath="com.gluster.storage.management.gui.menu.edit/edit"
@@ -1114,7 +1112,6 @@
                allowLabelUpdate="false"
                class="com.gluster.storage.management.gui.actions.ImportSshKeysAction"
                definitionId="com.gluster.storage.management.gui.commands.ImportSshKeys"
-               icon="icons/tango/32x32/import-keys.png"
                id="com.gluster.storage.management.gui.actions.ImportSshKeysAction"
                label="&Import Keys"
                menubarPath="com.gluster.storage.management.gui.menu.edit/edit"
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/GlusterDataModelManager.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/GlusterDataModelManager.java
index afc0e7aa..cacd987e 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/GlusterDataModelManager.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/GlusterDataModelManager.java
@@ -213,25 +213,16 @@ public class GlusterDataModelManager {
 	}
 
 	private void updateAlerts(GlusterDataModel newModel) {
-		List<Alert> oldAlerts = model.getCluster().getAlerts();
-		List<Alert> newAlerts = newModel.getCluster().getAlerts();
+		model.getCluster().getAlerts().clear();
 		
-		Set<Alert> addedAlerts = GlusterCoreUtil.getAddedEntities(oldAlerts, newAlerts, true);
-		for(Alert alert : addedAlerts) {
-			addAlert(alert);
-		}
+		// generate alerts for "newModel"
+		initializeAlerts(newModel.getCluster());
 		
-		Set<Alert> removedAlerts = GlusterCoreUtil.getAddedEntities(newAlerts, oldAlerts, true);
-		for(Alert alert : removedAlerts) {
-			removeAlert(alert);
-		}
+		// set the new alerts on "model"
+		model.getCluster().setAlerts(newModel.getCluster().getAlerts());
 		
-		Map<Alert, Alert> modifiedAlerts = GlusterCoreUtil.getModifiedEntities(oldAlerts, newAlerts);
-		for(Entry<Alert, Alert> entry : modifiedAlerts.entrySet()) {
-			Alert modifiedAlert = entry.getKey();
-			modifiedAlert.copyFrom(entry.getValue());
-			updateAlert(modifiedAlert);
-		}
+		// fire event "alertsGenerated"
+		alertsGenerated();
 	}
 	
 	private void updateTasks(GlusterDataModel newModel) {
@@ -535,8 +526,7 @@ public class GlusterDataModelManager {
 		cluster.setAlerts( alertsManager.getAlerts() );
 		//cluster.setAlerts( getDummyAlerts(cluster) );
 	}
-
-
+	
 	public Volume addVolume(List<Volume> volumes, String name, Cluster cluster, VOLUME_TYPE volumeType,
 			TRANSPORT_TYPE transportType, VOLUME_STATUS status) {
 		Volume volume = new Volume(name, cluster, volumeType, transportType, status);
@@ -785,24 +775,10 @@ public class GlusterDataModelManager {
 			listener.taskRemoved(taskInfo);
 		}
 	}
-	
-	public void addAlert(Alert alert) {
-		model.getCluster().addAlert(alert);
-		for (ClusterListener listener : listeners) {
-			listener.alertAdded(alert);
-		}
-	}
-	
-	public void removeAlert(Alert alert) {
-		model.getCluster().removeAlert(alert);
-		for (ClusterListener listener : listeners) {
-			listener.alertRemoved(alert);
-		}
-	}
-	
-	public void updateAlert(Alert alert) {
+
+	public void alertsGenerated() {
 		for (ClusterListener listener : listeners) {
-			listener.alertUpdated(alert);
+			listener.alertsGenerated();
 		}
 	}
 	
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/AddServerAction.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/AddServerAction.java
index a97e537a..37dc3b6e 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/AddServerAction.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/AddServerAction.java
@@ -22,7 +22,6 @@ import java.util.HashSet;
 import java.util.Set;
 
 import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.widgets.Display;
 
@@ -30,6 +29,7 @@ import com.gluster.storage.management.client.GlusterServersClient;
 import com.gluster.storage.management.core.constants.CoreConstants;
 import com.gluster.storage.management.core.model.Server;
 import com.gluster.storage.management.gui.GlusterDataModelManager;
+import com.gluster.storage.management.gui.dialogs.ServerAdditionDialog;
 import com.gluster.storage.management.gui.utils.GUIHelper;
 
 public class AddServerAction extends AbstractActionDelegate {
@@ -48,6 +48,10 @@ public class AddServerAction extends AbstractActionDelegate {
 				Set<Server> partSuccessServers = new HashSet<Server>();
 				String errMsg = "";
 				String partErrMsg = "";
+				
+				if(selectedServers.isEmpty()) {
+					addServerManually();
+				}
 				for (Server server : selectedServers) {
 					guiHelper.setStatusMessage("Adding server [" + server.getName() + "]...");
 
@@ -64,6 +68,17 @@ public class AddServerAction extends AbstractActionDelegate {
 				showStatusMessage(action.getDescription(), selectedServers, successServers, partSuccessServers, errMsg,
 						partErrMsg);
 			}
+
+			private void addServerManually() {
+				try {
+					// To open a dialog for server addition
+					ServerAdditionDialog dialog = new ServerAdditionDialog(getShell());
+					dialog.open();
+				} catch (Exception e) {
+					logger.error("Error in Manual server addition", e);
+					e.printStackTrace();
+				}
+			}
 		};
 
 		BusyIndicator.showWhile(Display.getDefault(), new Runnable() {
@@ -104,14 +119,4 @@ public class AddServerAction extends AbstractActionDelegate {
 	public void dispose() {
 		System.out.println("Disposing [" + this.getClass().getSimpleName() + "]");
 	}
-
-	@Override
-	public void selectionChanged(IAction action, ISelection selection) {
-		Set<Server> selectedServers = GUIHelper.getInstance().getSelectedEntities(getWindow(), Server.class);
-		if (selectedServers == null || selectedServers.isEmpty()) {
-			action.setEnabled(false);
-		} else {
-			action.setEnabled(true);
-		}
-	}
 }
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/ServerAdditionAction.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/ServerAdditionAction.java
index 410b7bea..cb6137d2 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/ServerAdditionAction.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/actions/ServerAdditionAction.java
@@ -2,13 +2,8 @@ package com.gluster.storage.management.gui.actions;
 
 import org.apache.log4j.Logger;
 import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.ui.IWorkbenchWindow;
-import org.eclipse.ui.IWorkbenchWindowActionDelegate;
 
-import com.gluster.storage.management.gui.dialogs.ChangePasswordDialog;
 import com.gluster.storage.management.gui.dialogs.ServerAdditionDialog;
-import com.gluster.storage.management.gui.views.pages.AbstractDisksPage;
 
 public class ServerAdditionAction extends AbstractActionDelegate {
 	private static final Logger logger = Logger.getLogger(ServerAdditionAction.class);
@@ -20,7 +15,6 @@ public class ServerAdditionAction extends AbstractActionDelegate {
 
 	@Override
 	protected void performAction(IAction action) {
-		
 		try {
 			// To open a dialog for server addition
 			ServerAdditionDialog dialog = new ServerAdditionDialog(getShell());
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/dialogs/ServerAdditionDialog.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/dialogs/ServerAdditionDialog.java
index 671b983c..01341a5a 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/dialogs/ServerAdditionDialog.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/dialogs/ServerAdditionDialog.java
@@ -168,7 +168,7 @@ public class ServerAdditionDialog extends Dialog {
 	public Boolean serverExists(String serverName) {
 		List<GlusterServer> servers = GlusterDataModelManager.getInstance().getModel().getCluster().getServers();
 		for (GlusterServer server : servers) {
-			if (server.getName().equals(serverName)) {
+			if (server.getName().equalsIgnoreCase(serverName)) {
 				return false;
 			}
 		}
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/utils/GUIHelper.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/utils/GUIHelper.java
index d4c78761..af8eba65 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/utils/GUIHelper.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/utils/GUIHelper.java
@@ -477,4 +477,16 @@ public class GUIHelper {
 	public String getDiskToolTip(Disk disk) {
 		return disk.getQualifiedName() + " - " + disk.getDescription();
 	}
+	
+	public void clearSection(Composite section) {
+		if (section.isDisposed()) {
+			return;
+		}
+		for(Control control : section.getChildren()) {
+			if(! control.isDisposed()) {
+				control.dispose();
+			}
+		}
+		section.layout(true);
+	}
 }
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/ClusterSummaryView.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/ClusterSummaryView.java
index b67cca30..e84957ec 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/ClusterSummaryView.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/ClusterSummaryView.java
@@ -82,6 +82,8 @@ public class ClusterSummaryView extends ViewPart {
 	private ClusterListener clusterListener;
 	private static final IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();
 	private static final int CHART_WIDTH = 350;
+	private Composite alertsSection;
+	private Composite tasksSection;
 
 	/*
 	 * (non-Javadoc)
@@ -102,6 +104,41 @@ public class ClusterSummaryView extends ViewPart {
 				super.aggregatedStatsChanged();
 				refreshCharts();
 			}
+
+			@Override
+			public void alertsGenerated() {
+				super.alertsGenerated();
+				guiHelper.clearSection(alertsSection);
+				populateAlerts();
+				alertsSection.layout();
+			}
+
+			@Override
+			public void taskAdded(TaskInfo taskInfo) {
+				super.taskAdded(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasksSection();
+				tasksSection.layout();
+			}
+
+			@Override
+			public void taskRemoved(TaskInfo taskInfo) {
+				super.taskRemoved(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasksSection();
+				tasksSection.layout();
+			}
+
+			@Override
+			public void taskUpdated(TaskInfo taskInfo) {
+				super.taskUpdated(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasksSection();
+				tasksSection.layout();
+			}
 		};
 		GlusterDataModelManager.getInstance().addClusterListener(clusterListener);
 	}
@@ -290,14 +327,17 @@ public class ClusterSummaryView extends ViewPart {
 	}
 
 	private void createAlertsSection() {
-		Composite section = guiHelper.createSection(form, toolkit, "Alerts", null, 1, false);
+		alertsSection = guiHelper.createSection(form, toolkit, "Alerts", null, 1, false);
+		populateAlerts();
+	}
+	
+	private void populateAlerts() {
 		List<Alert> alerts = cluster.getAlerts();
-
 		for (Alert alert : alerts) {
-			addAlertLabel(section, alert);
+			addAlertLabel(alertsSection, alert);
 		}
 	}
-	
+
 	private void addAlertLabel(Composite section, Alert alert) {
 		CLabel lblAlert = new CLabel(section, SWT.FLAT);
 		Image alertImage = null;
@@ -446,10 +486,13 @@ public class ClusterSummaryView extends ViewPart {
 	}
 
 	private void createRunningTasksSection() {
-		Composite section = guiHelper.createSection(form, toolkit, "Running Tasks", null, 1, false);
+		tasksSection = guiHelper.createSection(form, toolkit, "Running Tasks", null, 1, false);
+		populateTasksSection();
+	}
 
+	private void populateTasksSection() {
 		for (TaskInfo taskInfo : cluster.getTaskInfoList()) {
-			addTaskLabel(section, taskInfo);
+			addTaskLabel(tasksSection, taskInfo);
 		}
 	}
 
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/GlusterServersSummaryView.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/GlusterServersSummaryView.java
index dab2f178..f2cdaab3 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/GlusterServersSummaryView.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/GlusterServersSummaryView.java
@@ -34,7 +34,10 @@ import org.eclipse.ui.part.ViewPart;
 
 import com.gluster.storage.management.core.model.Alert;
 import com.gluster.storage.management.core.model.Alert.ALERT_TYPES;
+import com.gluster.storage.management.core.model.ClusterListener;
+import com.gluster.storage.management.core.model.DefaultClusterListener;
 import com.gluster.storage.management.core.model.EntityGroup;
+import com.gluster.storage.management.core.model.Event;
 import com.gluster.storage.management.core.model.GlusterServer;
 import com.gluster.storage.management.core.model.Server.SERVER_STATUS;
 import com.gluster.storage.management.core.model.TaskInfo;
@@ -52,11 +55,16 @@ public class GlusterServersSummaryView extends ViewPart {
 	private static final GUIHelper guiHelper = GUIHelper.getInstance();
 	private final FormToolkit toolkit = new FormToolkit(Display.getCurrent());
 	private ScrolledForm form;
+	private ClusterListener clusterListener;
 	private EntityGroup<GlusterServer> servers;
+	private Composite alertsSection;
+	private Composite serversAvailabilitySection;
+	private Composite tasksSection;
 
 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
 	 */
+	@SuppressWarnings("unchecked")
 	@Override
 	public void createPartControl(Composite parent) {
 		if (servers == null) {
@@ -64,6 +72,74 @@ public class GlusterServersSummaryView extends ViewPart {
 		}
 		setPartName("Summary");
 		createSections(parent);
+		
+		clusterListener = new DefaultClusterListener() {
+			@Override
+			public void serverAdded(GlusterServer server) {
+				super.serverAdded(server);
+				guiHelper.clearSection(serversAvailabilitySection);
+				populateAvailabilitySection();
+				serversAvailabilitySection.layout();
+			}
+			
+			@Override
+			public void serverRemoved(GlusterServer server) {
+				super.serverRemoved(server);
+				guiHelper.clearSection(serversAvailabilitySection);
+				populateAvailabilitySection();
+				serversAvailabilitySection.layout();
+			}
+			
+			@Override
+			public void serverChanged(GlusterServer server, Event event) {
+				super.serverChanged(server, event);
+				guiHelper.clearSection(serversAvailabilitySection);
+				populateAvailabilitySection();
+				serversAvailabilitySection.layout();
+			}
+			
+			@Override
+			public void alertsGenerated() {
+				super.alertsGenerated();
+				guiHelper.clearSection(alertsSection);
+				populateAlertSection();
+				alertsSection.layout();
+			}
+			
+			@Override
+			public void taskAdded(TaskInfo taskInfo) {
+				super.taskAdded(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasksSection();
+				tasksSection.layout();
+			}
+			
+			@Override
+			public void taskRemoved(TaskInfo taskInfo) {
+				super.taskRemoved(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasksSection();
+				tasksSection.layout();
+			}
+			
+			@Override
+			public void taskUpdated(TaskInfo taskInfo) {
+				super.taskUpdated(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasksSection();
+				tasksSection.layout();
+			}
+		};
+		GlusterDataModelManager.getInstance().addClusterListener(clusterListener);
+	}
+	
+	@Override
+	public void dispose() {
+		super.dispose();
+		GlusterDataModelManager.getInstance().removeClusterListener(clusterListener);
 	}
 
 	/**
@@ -80,16 +156,21 @@ public class GlusterServersSummaryView extends ViewPart {
 	}
 	
 	private void createSummarySection() {
-		Composite section = guiHelper.createSection(form, toolkit, "Availability", null, 2, false);
-		if(servers.getEntities().size() == 0) {
-			toolkit.createLabel(section, "This section will be populated after at least\none server is added to the storage cloud.");
+		serversAvailabilitySection = guiHelper.createSection(form, toolkit, "Availability", null, 2, false);
+		populateAvailabilitySection();
+	}
+
+	private void populateAvailabilitySection() {
+		if (servers.getEntities().size() == 0) {
+			toolkit.createLabel(serversAvailabilitySection,
+					"This section will be populated after at least\none server is added to the storage cloud.");
 			return;
 		}
 
 		Double[] values = new Double[] { Double.valueOf(getServerCountByStatus(servers, SERVER_STATUS.ONLINE)),
 				Double.valueOf(getServerCountByStatus(servers, SERVER_STATUS.OFFLINE)) };
-		createStatusChart(section, values);
-	}
+		createStatusChart(serversAvailabilitySection, values);
+	}	
 	
 	private int getServerCountByStatus(EntityGroup<GlusterServer> servers, SERVER_STATUS status) {
 		int count = 0;
@@ -112,12 +193,16 @@ public class GlusterServersSummaryView extends ViewPart {
 	}
 
 	private void createAlertsSection() {
-		Composite section = guiHelper.createSection(form, toolkit, "Alerts", null, 1, false);
+		alertsSection = guiHelper.createSection(form, toolkit, "Alerts", null, 1, false);
+		populateAlertSection();
+	}
+	
+	private void populateAlertSection() {
 		List<Alert> alerts = GlusterDataModelManager.getInstance().getModel().getCluster().getAlerts();
 
 		for (Alert alert : alerts) {
 			if (alert.getType() != ALERT_TYPES.OFFLINE_VOLUME_BRICKS_ALERT) {
-				addAlertLabel(section, alert);
+				addAlertLabel(alertsSection, alert);
 			}
 		}
 	}
@@ -147,18 +232,21 @@ public class GlusterServersSummaryView extends ViewPart {
 		lblAlert.redraw();
 	}
 	
-	
-
 	private void createRunningTasksSection() {
-		Composite section = guiHelper.createSection(form, toolkit, "Running Tasks", null, 1, false);
+		tasksSection = guiHelper.createSection(form, toolkit, "Running Tasks", null, 1, false);
+		populateTasksSection();
+
+	}
 
+	private void populateTasksSection() {
 		for (TaskInfo taskInfo : GlusterDataModelManager.getInstance().getModel().getCluster().getTaskInfoList()) {
-			if (taskInfo.getType() != TASK_TYPE.VOLUME_REBALANCE && taskInfo.getType() != TASK_TYPE.BRICK_MIGRATE) { // Exclude volume related tasks
-				addTaskLabel(section, taskInfo);
+			// Exclude volume related tasks
+			if (taskInfo.getType() != TASK_TYPE.VOLUME_REBALANCE && taskInfo.getType() != TASK_TYPE.BRICK_MIGRATE) {
+				addTaskLabel(tasksSection, taskInfo);
 			}
 		}
 	}
-	
+
 	private void addTaskLabel(Composite section, TaskInfo taskInfo) {
 		CLabel lblAlert = new CLabel(section, SWT.NONE);
 		lblAlert.setText(taskInfo.getDescription());
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumeSummaryView.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumeSummaryView.java
index 91a4e9b2..a3d8aca7 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumeSummaryView.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumeSummaryView.java
@@ -14,9 +14,6 @@ import org.eclipse.swt.events.KeyAdapter;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
-
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.FontData;
 import org.eclipse.swt.layout.FillLayout;
@@ -47,9 +44,9 @@ import com.gluster.storage.management.core.model.Event;
 import com.gluster.storage.management.core.model.GlusterServer;
 import com.gluster.storage.management.core.model.Partition;
 import com.gluster.storage.management.core.model.Server.SERVER_STATUS;
+import com.gluster.storage.management.core.model.TaskInfo;
 import com.gluster.storage.management.core.model.Volume;
 import com.gluster.storage.management.core.model.Volume.VOLUME_TYPE;
-import com.gluster.storage.management.core.model.VolumeOption;
 import com.gluster.storage.management.core.utils.NumberUtil;
 import com.gluster.storage.management.core.utils.StringUtil;
 import com.gluster.storage.management.core.utils.ValidationUtil;
@@ -81,6 +78,7 @@ public class VolumeSummaryView extends ViewPart {
 	
 	private Label numberOfBricks;
 	private Label totalDiskSpace;
+	private Composite alertsSection;
 
 	@Override
 	public void createPartControl(Composite parent) {
@@ -103,6 +101,14 @@ public class VolumeSummaryView extends ViewPart {
 				updateBrickChanges(volume);
 				toolbarManager.updateToolbar(volume);
 			}
+
+			@Override
+			public void alertsGenerated() {
+				super.alertsGenerated();
+				guiHelper.clearSection(alertsSection);
+				populateAlertSection();
+				alertsSection.layout();
+			}
 		};
 		GlusterDataModelManager.getInstance().addClusterListener(volumeChangedListener);
 	}
@@ -124,13 +130,17 @@ public class VolumeSummaryView extends ViewPart {
 	}
 
 	private void createVolumeAlertsSection() {
-		Composite section = guiHelper.createSection(form, toolkit, "Alerts", null, 1, false);
+		alertsSection = guiHelper.createSection(form, toolkit, "Alerts", null, 1, false);
+		populateAlertSection();
+	}
+	
+	private void populateAlertSection() {
 		List<Alert> alerts = GlusterDataModelManager.getInstance().getModel().getCluster().getAlerts();
 
 		for (int i = 0; i < alerts.size(); i++) {
 			if (alerts.get(i).getType() == Alert.ALERT_TYPES.OFFLINE_VOLUME_BRICKS_ALERT
 					&& alerts.get(i).getReference().split(":")[0].trim().equals(volume.getName())) {
-				addAlertLabel(section, alerts.get(i));
+				addAlertLabel(alertsSection, alerts.get(i));
 			}
 		}
 	}
@@ -156,9 +166,8 @@ public class VolumeSummaryView extends ViewPart {
 		String glusterFsMountInfo = "mount -t glusterfs " + firstOnlineServer + ":/" + volume.getName()
 				+ " <mount-point>";
 		nfsMountInfo = "mount -t nfs " + firstOnlineServer + ":/" + volume.getName() + " <mount-point>";
-		String info = "Server can be any server name in the storage cloud eg. <" + onlineServers + ">"; // TODO: if more
-																										// than 10
-																										// servers...
+		// TODO: if more than 10 servers...
+		String info = "Server can be any server name in the storage cloud eg. <" + onlineServers + ">"; 
 
 		Composite section = guiHelper.createSection(form, toolkit, "Mounting Information", null, 3, false);
 
diff --git a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumesSummaryView.java b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumesSummaryView.java
index 3b5647d2..4a0a9d8c 100644
--- a/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumesSummaryView.java
+++ b/src/com.gluster.storage.management.gui/src/com/gluster/storage/management/gui/views/VolumesSummaryView.java
@@ -33,16 +33,18 @@ import org.eclipse.ui.part.ViewPart;
 
 import com.gluster.storage.management.core.model.Alert;
 import com.gluster.storage.management.core.model.Cluster;
+import com.gluster.storage.management.core.model.ClusterListener;
+import com.gluster.storage.management.core.model.DefaultClusterListener;
 import com.gluster.storage.management.core.model.EntityGroup;
+import com.gluster.storage.management.core.model.Event;
 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.Volume;
 import com.gluster.storage.management.core.model.Volume.VOLUME_STATUS;
 import com.gluster.storage.management.gui.GlusterDataModelManager;
 import com.gluster.storage.management.gui.IImageKeys;
-import com.gluster.storage.management.gui.utils.ChartViewerComposite.CHART_TYPE;
-import com.gluster.storage.management.gui.utils.GUIHelper;
 import com.gluster.storage.management.gui.utils.ChartViewerComposite;
+import com.gluster.storage.management.gui.utils.GUIHelper;
 
 /**
  * 
@@ -54,11 +56,15 @@ public class VolumesSummaryView extends ViewPart {
 	private ScrolledForm form;
 	private EntityGroup<Volume> volumes;
 	private Cluster cluster = GlusterDataModelManager.getInstance().getModel().getCluster();
+	private ClusterListener clusterListener;
 
 	private static final String ALERTS = "Alerts";
 	private static final String RUNNING_TASKS = "Running Tasks";
 	private static final String VOLUMES_SUMMARY = "Volumes - Summary";
 	private static final String AVAILABILITY = "Availability";
+	private Composite alertsSection;
+	private Composite tasksSection;
+	private Composite summarySection;
 
 	/*
 	 * (non-Javadoc)
@@ -79,6 +85,74 @@ public class VolumesSummaryView extends ViewPart {
 		
 		setPartName("Summary");
 		createSections(parent);
+
+		clusterListener = new DefaultClusterListener() {
+			@Override
+			public void volumeCreated(Volume volume) {
+				super.volumeCreated(volume);
+				guiHelper.clearSection(summarySection);
+				populateSummarySection();
+				summarySection.layout();
+			}
+
+			@Override
+			public void volumeDeleted(Volume volume) {
+				super.volumeDeleted(volume);
+				guiHelper.clearSection(summarySection);
+				populateSummarySection();
+				summarySection.layout();
+			}
+
+			@Override
+			public void volumeChanged(Volume volume, Event event) {
+				super.volumeChanged(volume, event);
+				guiHelper.clearSection(summarySection);
+				populateSummarySection();
+				summarySection.layout();
+			}
+
+			@Override
+			public void alertsGenerated() {
+				super.alertsGenerated();
+				guiHelper.clearSection(alertsSection);
+				populateAlertSection();
+				alertsSection.layout();
+			}
+
+			@Override
+			public void taskAdded(TaskInfo taskInfo) {
+				super.taskAdded(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasks();
+				tasksSection.layout();
+			}
+
+			@Override
+			public void taskRemoved(TaskInfo taskInfo) {
+				super.taskRemoved(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasks();
+				tasksSection.layout();
+			}
+
+			@Override
+			public void taskUpdated(TaskInfo taskInfo) {
+				super.taskUpdated(taskInfo);
+				super.alertsGenerated();
+				guiHelper.clearSection(tasksSection);
+				populateTasks();
+				tasksSection.layout();
+			}
+		};
+		GlusterDataModelManager.getInstance().addClusterListener(clusterListener);
+	}
+	
+	@Override
+	public void dispose() {
+		super.dispose();
+		GlusterDataModelManager.getInstance().removeClusterListener(clusterListener);
 	}
 
 	private void createSections(Composite parent) {
@@ -91,29 +165,35 @@ public class VolumesSummaryView extends ViewPart {
 	}
 
 	private void createAlertsSection() {
-		Composite section = guiHelper.createSection(form, toolkit, ALERTS, null, 1, false);
+		alertsSection = guiHelper.createSection(form, toolkit, ALERTS, null, 1, false);
+		populateAlertSection();
+	}
 
+	private void populateAlertSection() {
 		for (Alert alert : cluster.getAlerts()) {
-			addAlertLabel(section, alert);
+			if (alert.getType() == Alert.ALERT_TYPES.OFFLINE_VOLUME_BRICKS_ALERT) {
+				addAlertLabel(alertsSection, alert);
+			}
 		}
 	}
 
 	private void addAlertLabel(Composite section, Alert alert) {
-		if (alert.getType() == Alert.ALERT_TYPES.OFFLINE_VOLUME_BRICKS_ALERT) {
-			CLabel lblAlert = new CLabel(section, SWT.NONE);
-			lblAlert.setImage((alert.getType() == Alert.ALERT_TYPES.DISK_USAGE_ALERT) ? guiHelper
-					.getImage(IImageKeys.LOW_DISK_SPACE_22x22) : guiHelper.getImage(IImageKeys.BRICK_OFFLINE_22x22));
-			lblAlert.setText(alert.getMessage());
-			lblAlert.redraw();
-		}
+		CLabel lblAlert = new CLabel(section, SWT.NONE);
+		lblAlert.setImage((alert.getType() == Alert.ALERT_TYPES.DISK_USAGE_ALERT) ? guiHelper
+				.getImage(IImageKeys.LOW_DISK_SPACE_22x22) : guiHelper.getImage(IImageKeys.BRICK_OFFLINE_22x22));
+		lblAlert.setText(alert.getMessage());
+		lblAlert.redraw();
 	}
 
 	private void createRunningTasksSection() {
-		Composite section = guiHelper.createSection(form, toolkit, RUNNING_TASKS, null, 1, false);
+		tasksSection = guiHelper.createSection(form, toolkit, RUNNING_TASKS, null, 1, false);
+		populateTasks();
+	}
 
+	private void populateTasks() {
 		for (TaskInfo taskInfo : cluster.getTaskInfoList()) {
 			if (taskInfo.getType() == TASK_TYPE.BRICK_MIGRATE || taskInfo.getType() == TASK_TYPE.VOLUME_REBALANCE)
-			addTaskLabel(section, taskInfo);
+				addTaskLabel(tasksSection, taskInfo);
 		}
 	}
 
@@ -133,17 +213,20 @@ public class VolumesSummaryView extends ViewPart {
 	}
 
 	private void createSummarySection() {
-		Composite section = guiHelper.createSection(form, toolkit, AVAILABILITY, null, 2, false);
+		summarySection = guiHelper.createSection(form, toolkit, AVAILABILITY, null, 2, false);
+		populateSummarySection();
+	}
 
+	private void populateSummarySection() {
 		if(volumes.getEntities().size() == 0) {
-			toolkit.createLabel(section,
+			toolkit.createLabel(summarySection,
 					"This section will be populated after at least\none volume is created the storage cloud.");
 			return;
 		}
 
 		Double[] values = new Double[] { Double.valueOf(getVolumeCountByStatus(volumes, VOLUME_STATUS.ONLINE)),
 				Double.valueOf(getVolumeCountByStatus(volumes, VOLUME_STATUS.OFFLINE)) };
-		createStatusChart(toolkit, section, values);
+		createStatusChart(toolkit, summarySection, values);
 	}
 
 	private int getVolumeCountByStatus(EntityGroup<Volume> volumes, VOLUME_STATUS status) {