Allow XML payload for volume creation.

Fixes nova-volume aspect of LP 1030330

Tolerate volume size attribute of type string as opposed to int.

Change-Id: I7cccb760a246d562792dec1669d634803bb9bc57

2 files changed, 19 insertions, 3 deletions

diff --git a/nova/api/openstack/volume/volumes.py b/nova/api/openstack/volume/volumes.py
index 4c12638b4..ec9a47a74 100644
--- a/nova/api/openstack/volume/volumes.py
+++ b/nova/api/openstack/volume/volumes.py
@@ -218,7 +218,17 @@ class VolumeController(object):
             raise exc.HTTPUnprocessableEntity()
 
         volume = body['volume']
-        size = volume['size']
+
+        def as_int(s):
+            try:
+                return int(s)
+            except ValueError:
+                return s
+
+        # NOTE(eglynn): we're tolerant of non-int sizes here, as type
+        # integrity is enforced later in the creation codepath
+        size = as_int(volume['size'])
+
         LOG.audit(_("Create volume of %s GB"), size, context=context)
 
         kwargs = {}
diff --git a/nova/tests/api/openstack/volume/test_volumes.py b/nova/tests/api/openstack/volume/test_volumes.py
index 6f9a6557b..1a51c8b67 100644
--- a/nova/tests/api/openstack/volume/test_volumes.py
+++ b/nova/tests/api/openstack/volume/test_volumes.py
@@ -42,10 +42,10 @@ class VolumeApiTest(test.TestCase):
         self.stubs.Set(volume_api.API, 'get', fakes.stub_volume_get)
         self.stubs.Set(volume_api.API, 'delete', fakes.stub_volume_delete)
 
-    def test_volume_create(self):
+    def _do_test_volume_create(self, size):
         self.stubs.Set(volume_api.API, "create", fakes.stub_volume_create)
 
-        vol = {"size": 100,
+        vol = {"size": size,
                "display_name": "Volume Test Name",
                "display_description": "Volume Test Desc",
                "availability_zone": "zone1:host1"}
@@ -71,6 +71,12 @@ class VolumeApiTest(test.TestCase):
         self.assertEqual(res.code, 200)
         self.assertTrue('location' in res.headers)
 
+    def test_volume_create_int_size(self):
+        self._do_test_volume_create(100)
+
+    def test_volume_create_str_size(self):
+        self._do_test_volume_create('100')
+
     def test_volume_creation_fails_with_bad_size(self):
         vol = {"size": '',
                "display_name": "Volume Test Name",