From 85e892bded934b73cab8f238738d4613e15b2a8a Mon Sep 17 00:00:00 2001
From: will <will@cloud.com>
Date: Fri, 11 Mar 2011 16:32:56 -0800
Subject: [PATCH] bug 3316: Added initial UI support to live migrate VMs.

---
 .../classes/resources/messages.properties     |  5 ++
 ui/jsp/instance.jsp                           | 24 +++++++
 ui/scripts/cloud.core.instance.js             | 65 ++++++++++++++++++-
 3 files changed, 91 insertions(+), 3 deletions(-)

diff --git a/client/WEB-INF/classes/resources/messages.properties b/client/WEB-INF/classes/resources/messages.properties
index b10ebb0fa39..9dc54caf783 100644
--- a/client/WEB-INF/classes/resources/messages.properties
+++ b/client/WEB-INF/classes/resources/messages.properties
@@ -1,5 +1,10 @@
 #New - Add all new parameters here.  
+label.action.migrate.instance=Migrate Instance
+label.migrate.instance.to=Migrate instance to
+label.full=Full
+label.available=Available
 
+message.migrate.instance.confirm=Please confirm the host you wish to migrate the virtual instance to.
 
 message.download.volume=Please click <a href="#">00000</a> to download volume
 message.download.ISO=Please click <a href="#">00000</a> to download ISO    
diff --git a/ui/jsp/instance.jsp b/ui/jsp/instance.jsp
index 6f7c2e1b72d..1cc8ebe7bae 100644
--- a/ui/jsp/instance.jsp
+++ b/ui/jsp/instance.jsp
@@ -31,6 +31,7 @@ dictionary = {
 	'label.action.reset.password.processing': '<fmt:message key="label.action.reset.password.processing"/>',
 	'label.action.change.service': '<fmt:message key="label.action.change.service"/>',
 	'label.action.change.service.processing': '<fmt:message key="label.action.change.service.processing"/>',
+	'label.action.migrate.instance': '<fmt:message key="label.action.migrate.instance"/>',
 	'label.action.detach.disk': '<fmt:message key="label.action.detach.disk"/>',
 	'label.action.detach.disk.processing': '<fmt:message key="label.action.detach.disk.processing"/>',
 	'label.action.create.template': '<fmt:message key="label.action.create.template"/>',
@@ -42,6 +43,8 @@ dictionary = {
 	'message.action.take.snapshot': '<fmt:message key="message.action.take.snapshot"/>',
 	'label.data.disk.offering': '<fmt:message key="label.data.disk.offering"/>',
 	'label.root.disk.offering': '<fmt:message key="label.root.disk.offering"/>',
+	'label.full': '<fmt:message key="label.full"/>',
+	'label.available': '<fmt:message key="label.available"/>',
 	'message.launch.vm.on.private.network': '<fmt:message key="message.launch.vm.on.private.network"/>'
 };	
 </script>
@@ -1223,6 +1226,27 @@ dictionary = {
     </div>
 </div>
 
+<!-- Migrate VM Dialog -->
+<div id="dialog_migrate_instance" title='<fmt:message key="label.action.migrate.vm" />' style="display: none">
+    <p> 
+		<fmt:message key="message.migrate.instance.confirm" />
+    </p>
+    <div class="dialog_formcontent">
+        <form action="#" method="post" id="form_acquire">
+        <ol>
+            <li>
+                <label>
+                    <fmt:message key="label.migrate.instance.to" />:</label>
+                <select class="select" id="migrate_instance_hosts">
+                </select>
+                <div id="migrate_vm_hosts_errormsg" class="dialog_formcontent_errormsg" style="display: none;">
+                </div>
+            </li>
+        </ol>
+        </form>
+    </div>
+</div>
+
 <!-- Create template of disk volume dialog (begin) -->
 <div id="dialog_create_template" title='<fmt:message key="label.action.create.template" />' style="display: none">
     <p> 
diff --git a/ui/scripts/cloud.core.instance.js b/ui/scripts/cloud.core.instance.js
index f4b6034b54b..a9a29280ae3 100644
--- a/ui/scripts/cloud.core.instance.js
+++ b/ui/scripts/cloud.core.instance.js
@@ -131,7 +131,8 @@ function afterLoadInstanceJSP() {
     initDialog("dialog_detach_iso_from_vm");       	
    	initDialog("dialog_attach_iso");  
     initDialog("dialog_change_service_offering", 600);                
-    initDialog("dialog_create_template", 400);             
+    initDialog("dialog_create_template", 400);    
+	initDialog("dialog_migrate_instance", 600);
        
     $.ajax({
 	    data: createURL("command=listOsTypes"),
@@ -1367,7 +1368,16 @@ var vmActionMap = {
             var jsonObj = json.changeserviceforvirtualmachineresponse.virtualmachine;       
             vmToMidmenu(jsonObj, $midmenuItem1);           
         }
-    }      
+    },       
+    "label.action.migrate.instance": {
+        isAsyncJob: false,        
+        inProcessText: "label.action.migrate.instance",
+        dialogBeforeActionFn : doMigrateInstance,
+        afterActionSeccessFn: function(json, $midmenuItem1, id) {                 
+            var jsonObj = json.queryasyncjobresultresponse.jobresult.virtualmachine;       
+            vmToMidmenu(jsonObj, $midmenuItem1);           
+        }
+    }        
 }                      
      
 function doStartVM($actionLink, $detailsTab, $midmenuItem1) {       
@@ -1667,6 +1677,54 @@ function doChangeService($actionLink, $detailsTab, $midmenuItem1) {
 	}).dialog("open");
 }
 
+function doMigrateInstance($actionLink, $detailsTab, $midmenuItem1) {    
+    var jsonObj = $midmenuItem1.data("jsonObj");
+	var id = jsonObj.id;
+	
+	$.ajax({	   
+	    data: createURL("command=listHosts&VirtualMachineId="+id), 
+		dataType: "json",
+		async: false,
+		success: function(json) {
+			var hosts = json.listhostsresponse.host;
+			var hostSelect = $("#dialog_migrate_instance #migrate_instance_hosts").empty();
+			
+			if (hosts != null && hosts.length > 0) {
+				for (var i = 0; i < hosts.length; i++) {
+					var option = $("<option value='" + hosts[i].id + "'>" + fromdb(hosts[i].name) + ": " +((hosts[i].hasEnoughCapacity) ? dictionary["label.available"] : dictionary["label.full"]) + "</option>").data("name", fromdb(hosts[i].name));
+					hostSelect.append(option); 
+				}
+			} 
+		}
+	});
+	
+	$("#dialog_migrate_instance")
+	.dialog('option', 'buttons', { 						
+		"OK": function() { 
+		    var $thisDialog = $(this);
+		    		   
+		    var isValid = true;				
+			isValid &= validateDropDownBox("Host", $thisDialog.find("#migrate_instance_hosts"), $thisDialog.find("#migrate_instance_errormsg"));	
+			if (!isValid) 
+			    return;
+		    
+			$thisDialog.dialog("close"); 
+			var hostId = $thisDialog.find("#migrate_instance_hosts").val();
+			/*		
+			if(jsonObj.state != "Stopped") {				    
+		        $midmenuItem1.find("#info_icon").addClass("error").show();
+                $midmenuItem1.data("afterActionInfo", ($actionLink.data("label") + " action failed. Reason: virtual instance needs to be stopped before you can change its service."));  
+	        }
+			*/
+            var apiCommand = "command=migrateVirtualMachine&hostid="+hostId+"&virtualmachineid="+id;	     
+            doActionToTab(id, $actionLink, apiCommand, $midmenuItem1, $detailsTab);				
+		}, 
+		"Cancel": function() { 
+			$(this).dialog("close"); 			
+		} 
+	}).dialog("open");
+}
+
 function vmToMidmenu(jsonObj, $midmenuItem1) {  
     $midmenuItem1.data("jsonObj", jsonObj);
     $midmenuItem1.attr("id", getMidmenuId(jsonObj));   
@@ -1830,7 +1888,8 @@ function vmBuildActionMenu(jsonObj, $thisTab, $midmenuItem1) {
 	    buildActionLinkForTab("label.action.edit.instance", vmActionMap, $actionMenu, $midmenuItem1, $thisTab); 			
 		buildActionLinkForTab("label.action.stop.instance", vmActionMap, $actionMenu, $midmenuItem1, $thisTab);
 		buildActionLinkForTab("label.action.reboot.instance", vmActionMap, $actionMenu, $midmenuItem1, $thisTab);
-		buildActionLinkForTab("label.action.destroy.instance", vmActionMap, $actionMenu, $midmenuItem1, $thisTab);
+		buildActionLinkForTab("label.action.destroy.instance", vmActionMap, $actionMenu, $midmenuItem1, $thisTab);
+		buildActionLinkForTab("label.action.migrate.instance", vmActionMap, $actionMenu, $midmenuItem1, $thisTab);
 		
 		if (jsonObj.isoid == null)	
 			buildActionLinkForTab("label.action.attach.iso", vmActionMap, $actionMenu, $midmenuItem1, $thisTab);