Cast is_public, protected, deleted to bool

To keep a consistent view of an image, is_public, protected, and
deleted need to be cast to a bool when being parsed from headers.

Fix bug 1036299

Change-Id: I2730a0f2d705d26ebc0ba883e99c1caf44d70b51

glanceclient/v1/images.py

@@ -57,6 +57,11 @@ def _image_meta_from_headers(self, headers):
             elif key.startswith('x-image-meta-'):
                 _key = key[13:]
                 meta[_key] = value
+
+        for key in ['is_public', 'protected', 'deleted']:
+            if key in meta:
+                meta[key] = utils.string_to_bool(meta[key])
+
         return self._format_image_meta_for_user(meta)
 
     def _image_meta_to_headers(self, fields):

tests/v1/test_images.py

@@ -39,6 +39,9 @@
                     'min_ram': '512',
                     'min_disk': '10',
                     'properties': {'a': 'b', 'c': 'd'},
+                    'is_public': False,
+                    'protected': False,
+                    'deleted': False,
                 }},
             ),
         ),
@@ -141,6 +144,9 @@
                 'x-image-meta-id': '1',
                 'x-image-meta-name': 'image-1',
                 'x-image-meta-property-arch': 'x86_64',
+                'x-image-meta-is_public': 'false',
+                'x-image-meta-protected': 'false',
+                'x-image-meta-deleted': 'false',
             },
             None),
         'GET': (
@@ -160,6 +166,8 @@
                     'min_ram': '512',
                     'min_disk': '10',
                     'properties': {'a': 'b', 'c': 'd'},
+                    'is_public': False,
+                    'protected': False,
                 }},
             ),
         ),
@@ -246,6 +254,9 @@ def test_get(self):
         self.assertEqual(self.api.calls, expect)
         self.assertEqual(image.id, '1')
         self.assertEqual(image.name, 'image-1')
+        self.assertEqual(image.is_public, False)
+        self.assertEqual(image.protected, False)
+        self.assertEqual(image.deleted, False)
 
     def test_data(self):
         data = ''.join([b for b in self.mgr.data('1', do_checksum=False)])
@@ -328,6 +339,9 @@ def test_create_without_data(self):
         self.assertEqual(image.size, 1024)
         self.assertEqual(image.min_ram, 512)
         self.assertEqual(image.min_disk, 10)
+        self.assertEqual(image.is_public, False)
+        self.assertEqual(image.protected, False)
+        self.assertEqual(image.deleted, False)
         self.assertEqual(image.properties, {'a': 'b', 'c': 'd'})
 
     def test_create_with_data(self):