Enable Server Portion of renamae node

This plumbs up through the messages and attributes plugin.

confluent_server/confluent/config/configmanager.py

@@ -1837,7 +1837,7 @@ class ConfigManager(object):
         if self.tenant in self._nodecollwatchers:
             nodecollwatchers = self._nodecollwatchers[self.tenant]
             for watcher in nodecollwatchers.itervalues():
-                eventlet.spawn_n(_do_add_watcher, watcher, None, self, renamemap)
+                eventlet.spawn_n(_do_add_watcher, watcher, (), self, renamemap)
         self._bg_sync_to_file()
 
     def set_node_attributes(self, attribmap, autocreate=False):

confluent_server/confluent/messages.py

@@ -267,6 +267,17 @@ class CreatedResource(ConfluentMessage):
         pass
 
 
+class RenamedResource(ConfluentMessage):
+    notnode = True
+    readonly = True
+
+    def __init__(self, oldname, newname):
+        self.kvpairs = {'oldname': oldname, 'newname': newname}
+
+    def strip_node(self, node):
+        pass
+
+
 class AssignedResource(ConfluentMessage):
     notnode = True
     readonly = True
@@ -381,6 +392,8 @@ def get_input_message(path, operation, inputdata, nodes=None, multinode=False,
         return InputReseatMessage(path, nodes, inputdata)
     elif path == ['attributes', 'expression']:
         return InputExpression(path, inputdata, nodes)
+    elif path == ['attributes', 'rename']:
+        return InputConfigChangeSet(path, inputdata, nodes, configmanager)
     elif path[0] in ('attributes', 'users') and operation != 'retrieve':
         return InputAttributes(path, inputdata, nodes)
     elif path == ['boot', 'nextdevice'] and operation != 'retrieve':
@@ -539,8 +552,6 @@ class InputConfigClear(ConfluentMessage):
             raise exc.InvalidArgumentException('Input must be {"clear":true}')
 
 class InputConfigChangeSet(InputExpression):
-    # For now, this is identical to InputExpression, later it may
-    # internalize formula expansion, but not now..
     def __init__(self, path, inputdata, nodes=None, configmanager=None):
         self.cfm = configmanager
         super(InputConfigChangeSet, self).__init__(path, inputdata, nodes)

confluent_server/confluent/plugins/configuration/attributes.py

@@ -200,12 +200,23 @@ def create(nodes, element, configmanager, inputdata):
     if nodes is not None and element[-1] == 'expression':
         return _expand_expression(nodes, configmanager, inputdata)
 
+def yield_rename_resources(namemap):
+    for node in namemap:
+        yield msg.RenamedResource(node, namemap[node])
+
 def update_nodes(nodes, element, configmanager, inputdata):
     updatedict = {}
     if not nodes:
         raise exc.InvalidArgumentException(
             'No action to take, noderange is empty (if trying to define '
             'group attributes, use nodegroupattrib)')
+    if 'rename' in element:
+        namemap = {}
+        for node in nodes:
+            rename = inputdata.get_attributes(node)
+            namemap[node] = rename['rename']
+        configmanager.rename_nodes(namemap)
+        return yield_rename_resources(namemap)
     for node in nodes:
         updatenode = inputdata.get_attributes(node, allattributes.node)
         clearattribs = []