Add support for "isolation" in config

Signed-off-by: Joffrey F <joffrey@docker.com>

compose/config/config_schema_v2.1.json

@@ -123,6 +123,7 @@
         "hostname": {"type": "string"},
         "image": {"type": "string"},
         "ipc": {"type": "string"},
+        "isolation": {"type": "string"},
         "labels": {"$ref": "#/definitions/list_or_dict"},
         "links": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
 

compose/service.py

@@ -682,7 +682,7 @@ class Service(object):
         logging_dict = options.get('logging', None)
         log_config = get_log_config(logging_dict)
 
-        return self.client.create_host_config(
+        host_config = self.client.create_host_config(
             links=self._get_links(link_to_self=one_off),
             port_bindings=build_port_bindings(options.get('ports') or []),
             binds=options.get('binds'),
@@ -713,6 +713,12 @@ class Service(object):
             group_add=options.get('group_add')
         )
 
+        # TODO: Add as an argument to create_host_config once it's supported
+        # in docker-py
+        host_config['Isolation'] = options.get('isolation')
+
+        return host_config
+
     def build(self, no_cache=False, pull=False, force_rm=False):
         log.info('Building %s' % self.name)
 

tests/integration/project_test.py

@@ -794,6 +794,49 @@ class ProjectTest(DockerClientTestCase):
         assert 'LinkLocalIPs' in ipam_config
         assert ipam_config['LinkLocalIPs'] == ['169.254.8.8']
 
+    @v2_1_only()
+    def test_up_with_isolation(self):
+        self.require_api_version('1.24')
+        config_data = config.Config(
+            version=V2_1,
+            services=[{
+                'name': 'web',
+                'image': 'busybox:latest',
+                'isolation': 'default'
+            }],
+            volumes={},
+            networks={}
+        )
+        project = Project.from_config(
+            client=self.client,
+            name='composetest',
+            config_data=config_data
+        )
+        project.up()
+        service_container = project.get_service('web').containers()[0]
+        assert service_container.inspect()['HostConfig']['Isolation'] == 'default'
+
+    @v2_1_only()
+    def test_up_with_invalid_isolation(self):
+        self.require_api_version('1.24')
+        config_data = config.Config(
+            version=V2_1,
+            services=[{
+                'name': 'web',
+                'image': 'busybox:latest',
+                'isolation': 'foobar'
+            }],
+            volumes={},
+            networks={}
+        )
+        project = Project.from_config(
+            client=self.client,
+            name='composetest',
+            config_data=config_data
+        )
+        with self.assertRaises(ProjectError):
+            project.up()
+
     @v2_only()
     def test_project_up_with_network_internal(self):
         self.require_api_version('1.23')

tests/unit/config/config_test.py

@@ -351,7 +351,7 @@ class ConfigTest(unittest.TestCase):
         base_file = config.ConfigFile(
             'base.yaml',
             {
-                'version': '2.1',
+                'version': V2_1,
                 'services': {
                     'web': {
                         'image': 'example/web',
@@ -1330,7 +1330,7 @@ class ConfigTest(unittest.TestCase):
                     'image': 'alpine',
                     'group_add': ["docker", 777]
                 }
-             }
+            }
         }))
 
         assert actual.services == [
@@ -1341,6 +1341,25 @@ class ConfigTest(unittest.TestCase):
             }
         ]
 
+    def test_isolation_option(self):
+        actual = config.load(build_config_details({
+            'version': V2_1,
+            'services': {
+                'web': {
+                    'image': 'win10',
+                    'isolation': 'hyperv'
+                }
+            }
+        }))
+
+        assert actual.services == [
+            {
+                'name': 'web',
+                'image': 'win10',
+                'isolation': 'hyperv',
+            }
+        ]
+
     def test_merge_service_dicts_from_files_with_extends_in_base(self):
         base = {
             'volumes': ['.:/app'],