Merge "add support for server set metadata item"

novaclient/tests/v1_1/fakes.py

@@ -423,6 +423,9 @@ class FakeHTTPClient(base_client.HTTPClient):
     def post_servers_1234_metadata(self, **kw):
         return (204, {}, {'metadata': {'test_key': 'test_value'}})
 
+    def put_servers_1234_metadata_test_key(self, **kw):
+        return (200, {}, {'meta': {'test_key': 'test_value'}})
+
     def get_servers_1234_diagnostics(self, **kw):
         return (200, {}, {'data': 'Fake diagnostics'})
 

novaclient/tests/v1_1/test_servers.py

@@ -208,6 +208,11 @@ class ServersTest(utils.TestCase):
         reval = cs.assert_called('POST', '/servers/1234/metadata',
                          {'metadata': {'test_key': 'test_value'}})
 
+    def test_set_server_meta_item(self):
+        s = cs.servers.set_meta_item(1234, 'test_key', 'test_value')
+        reval = cs.assert_called('PUT', '/servers/1234/metadata/test_key',
+                         {'meta': {'test_key': 'test_value'}})
+
     def test_find(self):
         server = cs.servers.find(name='sample-server')
         cs.assert_called('GET', '/servers', pos=-2)

novaclient/v1_1/servers.py

@@ -858,6 +858,17 @@ class ServerManager(base.BootingManagerWithFind):
         return self._create("/servers/%s/metadata" % base.getid(server),
                              body, "metadata")
 
+    def set_meta_item(self, server, key, value):
+        """
+        Updates an item of server metadata
+        :param server: The :class:`Server` to add metadata to
+        :param key: metadata key to update
+        :param value: string value
+        """
+        body = {'meta': {key: value}}
+        return self._update("/servers/%s/metadata/%s" %
+                            (base.getid(server), key), body)
+
     def get_console_output(self, server, length=None):
         """
         Get text console log output from Server.