We should cache all information from vifib server.

This will reduce queries to server and improve performance for client.

slapos/slap/slap.py

@@ -212,6 +212,8 @@ def _syncComputerInformation(func):
   Synchronize computer object with server information
   """
   def decorated(self, *args, **kw):
+    if getattr(self, '_synced', 0):
+      return func(self, *args, **kw)
     # XXX: This is a ugly way to keep backward compatibility,
     # We should stablise slap library soon.
     try:
@@ -224,6 +226,9 @@ def _syncComputerInformation(func):
         setattr(self, key, value.encode('utf-8'))
       else:
         setattr(self, key, value)
+    setattr(self, '_synced', True)
+    for computer_partition in self.getComputerPartitionList():
+      setattr(computer_partition, '_synced', True)
     return func(self, *args, **kw)
   return decorated 
 
@@ -320,6 +325,9 @@ def _syncComputerPartitionInformation(func):
           setattr(self, key, new_dict)
         else:
           setattr(self, key, value)
+    setattr(self, '_synced', True)
+    for computer_partition in self.getComputerPartitionList():
+      setattr(computer_partition, '_synced', True)
     return func(self, *args, **kw)
   return decorated