Allow RDN changes from CLI

https://fedorahosted.org/freeipa/ticket/397

ipalib/parameters.py

@@ -579,9 +579,15 @@ class Param(ReadOnly):
         """
         Return a new `Param` instance similar to this one.
         """
+        return self.clone_rename(self.name, **overrides)
+
+    def clone_rename(self, name, **overrides):
+        """
+        Return a new `Param` instance similar to this one, but named differently
+        """
         kw = dict(self.__clonekw)
         kw.update(overrides)
-        return self.__class__(self.name, *self.rules, **kw)
+        return self.__class__(name, *self.rules, **kw)
 
     def normalize(self, value):
         """

ipalib/plugins/baseldap.py

@@ -708,6 +708,17 @@ class LDAPUpdate(LDAPQuery, crud.Update):
 
     has_output_params = global_output_params
 
+    def _get_rename_option(self):
+        rdnparam = getattr(self.obj.params, self.obj.rdnattr)
+        return rdnparam.clone_rename('rename', cli_name='rename',
+                        doc=_('Rename the %s object' % self.obj.object_name))
+
+    def get_options(self):
+        for option in super(LDAPUpdate, self).get_options():
+            yield option
+        if self.obj.rdnattr:
+            yield self._get_rename_option()
+
     def execute(self, *keys, **options):
         ldap = self.obj.backend
 
@@ -768,6 +779,9 @@ class LDAPUpdate(LDAPQuery, crud.Update):
 
         rdnupdate = False
         try:
+            if self.obj.rdnattr and 'rename' in options:
+                entry_attrs[self.obj.rdnattr] = options['rename']
+
             if self.obj.rdnattr and self.obj.rdnattr in entry_attrs:
                 # RDN change
                 ldap.update_entry_rdn(dn, unicode('%s=%s' % (self.obj.rdnattr,

tests/test_ipalib/test_parameters.py

@@ -359,6 +359,34 @@ class test_Param(ClassChecker):
         assert clone.param_spec == 'my_param'
         assert clone.name == 'my_param'
 
+    def test_clone_rename(self):
+        """
+        Test the `ipalib.parameters.Param.clone` method.
+        """
+        new_name = 'my_new_param'
+
+        # Test with the defaults
+        orig = self.cls('my_param')
+        clone = orig.clone_rename(new_name)
+        assert clone is not orig
+        assert type(clone) is self.cls
+        assert clone.name == new_name
+        for (key, kind, default) in self.cls.kwargs:
+            assert getattr(clone, key) is getattr(orig, key)
+
+        # Test with overrides:
+        orig = self.cls('my_param*')
+        assert orig.required is False
+        assert orig.multivalue is True
+        clone = orig.clone_rename(new_name, required=True)
+        assert clone is not orig
+        assert type(clone) is self.cls
+        assert clone.required is True
+        assert clone.multivalue is True
+        assert clone.param_spec == new_name
+        assert clone.name == new_name
+
+
     def test_convert(self):
         """
         Test the `ipalib.parameters.Param.convert` method.