Allow 'deleted' to be passed through image update

The legacy client allowed users to pass 'deleted' through an
update call. This is breaking some clients of this library because
they expect to be be able to still do that.

Fixes bug 1036315

Change-Id: I9ae20a5e4579240c7d5e86316d6d1e927755dbf5

glanceclient/v1/images.py

@@ -24,7 +24,11 @@ from glanceclient.common import utils
 
 UPDATE_PARAMS = ('name', 'disk_format', 'container_format', 'min_disk',
                  'min_ram', 'owner', 'size', 'is_public', 'protected',
-                 'location', 'checksum', 'copy_from', 'properties')
+                 'location', 'checksum', 'copy_from', 'properties',
+                 #NOTE(bcwaldon: an attempt to update 'deleted' will be
+                 # ignored, but we need to support it for backwards-
+                 # compatibility with the legacy client library
+                 'deleted')
 
 CREATE_PARAMS = UPDATE_PARAMS + ('id',)
 

tests/v1/test_images.py

@@ -362,6 +362,7 @@ class ImageManagerTest(unittest.TestCase):
             'min_disk': 10,
             'copy_from': 'http://example.com',
             'properties': {'a': 'b', 'c': 'd'},
+            'deleted': False,
         }
         image = self.mgr.update('1', **fields)
         expect_hdrs = {
@@ -375,6 +376,7 @@ class ImageManagerTest(unittest.TestCase):
             'x-glance-api-copy-from': 'http://example.com',
             'x-image-meta-property-a': 'b',
             'x-image-meta-property-c': 'd',
+            'x-image-meta-deleted': 'False',
         }
         expect = [('PUT', '/v1/images/1', expect_hdrs, None)]
         self.assertEqual(self.api.calls, expect)