Updates need to be able to create records as well as delete them.

octodns/provider/rackspace.py

@@ -371,8 +371,11 @@ class RackspaceProvider(BaseProvider):
             return [record.value]
 
     def _mod_Create(self, change):
+        return self._create_given_change_values(change, self._get_values(change.new))
+
+    def _create_given_change_values(self, change, values):
         out = []
-        for value in self._get_values(change.new):
+        for value in values:
             transformer = getattr(self, "_record_for_{}".format(change.new._type))
             out.append(transformer(change.new, value))
         return out
@@ -386,8 +389,14 @@ class RackspaceProvider(BaseProvider):
         deleted_values = set(existing_values) - set(new_values)
         delete_out = self._delete_given_change_values(change, deleted_values)
 
+        # An increase in number of values in an update record needs
+        # to get upgraded into a Create change for the added values.
+        create_values = set(new_values) - set(existing_values)
+        create_out = self._create_given_change_values(change, create_values)
+
         update_out = []
-        for value in new_values:
+        update_values = set(new_values).intersection(set(existing_values))
+        for value in update_values:
             transformer = getattr(self, "_record_for_{}".format(change.new._type))
             prior_rs_record = transformer(change.existing, value)
             prior_key = self._key_for_record(prior_rs_record)
@@ -398,7 +407,7 @@ class RackspaceProvider(BaseProvider):
             update_out.append(next_rs_record)
             self._id_map[next_key] = self._id_map[prior_key]
             del self._id_map[prior_key]
-        return update_out, delete_out
+        return create_out, update_out, delete_out
 
     def _mod_Delete(self, change):
         return self._delete_given_change_values(change, self._get_values(change.existing))
@@ -427,7 +436,8 @@ class RackspaceProvider(BaseProvider):
             if change.__class__.__name__ == 'Create':
                 creates += self._mod_Create(change)
             elif change.__class__.__name__ == 'Update':
-                add_updates, add_deletes = self._mod_Update(change)
+                add_creates, add_updates, add_deletes = self._mod_Update(change)
+                creates += add_creates
                 updates += add_updates
                 deletes += add_deletes
             elif change.__class__.__name__ == 'Delete':

tests/test_octodns_provider_rackspace.py

@@ -392,7 +392,6 @@ class TestRackspaceProvider(TestCase):
             ExpectedUpdates = None
         return self._test_apply_with_data(TestData)
 
-
     def test_apply_multiple_additions_exploding(self):
         class TestData(object):
             OtherRecords = [
@@ -674,6 +673,41 @@ class TestRackspaceProvider(TestCase):
             }
         return self._test_apply_with_data(TestData)
 
+    def test_apply_update_TXT(self):
+        class TestData(object):
+            OtherRecords = [
+                {
+                    "subdomain": '',
+                    "data": {
+                        'type': 'TXT',
+                        'ttl': 300,
+                        'value': 'othervalue'
+                    }
+                }
+            ]
+            OwnRecords = {
+                "totalEntries": 1,
+                "records": [{
+                    "name": "unit.tests",
+                    "id": "TXT-111111",
+                    "type": "TXT",
+                    "data": "somevalue",
+                    "ttl": 300
+                }]
+            }
+            ExpectChanges = True
+            ExpectedAdditions = {
+                "records": [{
+                    "name": "unit.tests",
+                    "type": "TXT",
+                    "data": "othervalue",
+                    "ttl": 300
+                }]
+            }
+            ExpectedDeletions = 'id=TXT-111111'
+            ExpectedUpdates = None
+        return self._test_apply_with_data(TestData)
+
     def test_apply_multiple_updates(self):
         class TestData(object):
             OtherRecords = [
@@ -712,16 +746,16 @@ class TestRackspaceProvider(TestCase):
             ExpectedAdditions = None
             ExpectedDeletions = None
             ExpectedUpdates = {
-                "records": [{
+                "records": [ {
-                    "name": "unit.tests",
-                    "id": "A-111111",
-                    "data": "1.2.3.4",
-                    "ttl": 3600
-                }, {
                     "name": "unit.tests",
                     "id": "A-222222",
                     "data": "1.2.3.5",
                     "ttl": 3600
+                }, {
+                    "name": "unit.tests",
+                    "id": "A-111111",
+                    "data": "1.2.3.4",
+                    "ttl": 3600
                 }, {
                     "name": "unit.tests",
                     "id": "A-333333",