Correct working of getmemory function

pvcd/NodeInstance.py

@@ -231,7 +231,7 @@ class NodeInstance():
         for domain, instance in self.s_domain.items():
             if instance.inshutdown == False and domain in self.domain_list:
                 # Add the allocated memory to our memalloc value
-                memalloc += instance.getmaxmemory()
+                memalloc += instance.getmemory()
                 if instance.getstate() == 'start' and instance.gethypervisor() == self.name:
                     if instance.getdom() != None:
                         try:

pvcd/VMInstance.py

@@ -45,11 +45,6 @@ class VMInstance:
 
         self.dom = self.lookupByUUID(self.domuuid)
 
-        try:
-            self.maxmemory = self.dom.maxMemory()
-        except:
-            self.maxmemory = 0
-
         # Watch for changes to the state field in Zookeeper
         @zk_conn.DataWatch('/domains/{}/state'.format(self.domuuid))
         def watch_state(data, stat, event=""):
@@ -70,8 +65,13 @@ class VMInstance:
     def getdom(self):
         return self.dom
 
-    def getmaxmemory(self):
-        return self.maxmemory
+    def getmemory(self):
+        try:
+            memory = self.dom.info()[2] / 1024
+        except:
+            memory = 0
+
+        return memory
 
     # Manage local node domain_list
     def addDomainToList(self):