Add the possibility to set a templating driver when creating a new Docker config

Signed-off-by: Sebastiano Mariani <smariani@vmware.com>

docker/api/config.py

@@ -6,8 +6,9 @@ from .. import utils
 
 
 class ConfigApiMixin(object):
+    # TODO: The templating field is only available starting from API v 1.37
     @utils.minimum_version('1.30')
-    def create_config(self, name, data, labels=None):
+    def create_config(self, name, data, labels=None, templating=None):
         """
             Create a config
 
@@ -15,6 +16,9 @@ class ConfigApiMixin(object):
                 name (string): Name of the config
                 data (bytes): Config data to be stored
                 labels (dict): A mapping of labels to assign to the config
+                templating (dict): dictionary containing the name of the
+                                   templating driver to be used expressed as
+                                   { name: <templating_driver_name>}
 
             Returns (dict): ID of the newly created config
         """
@@ -27,7 +31,8 @@ class ConfigApiMixin(object):
         body = {
             'Data': data,
             'Name': name,
-            'Labels': labels
+            'Labels': labels,
+            'Templating': templating
         }
 
         url = self._url('/configs/create')

tests/integration/api_config_test.py

@@ -70,3 +70,16 @@ class ConfigAPITest(BaseAPIIntegrationTest):
         data = self.client.configs(filters={'name': ['favorite_character']})
         assert len(data) == 1
         assert data[0]['ID'] == config_id['ID']
+
+    @requires_api_version('1.37')
+    def test_create_config_with_templating(self):
+        config_id = self.client.create_config(
+            'favorite_character', 'sakuya izayoi',
+            templating={ 'name': 'golang'}
+        )
+        self.tmp_configs.append(config_id)
+        assert 'ID' in config_id
+        data = self.client.inspect_config(config_id)
+        assert data['Spec']['Name'] == 'favorite_character'
+        assert 'Templating' in data['Spec']
+        assert data['Spec']['Templating']['Name'] == 'golang'