Add support for Docker network EnableIPv4 option with API 1.48

Author: Dramelac

docker/api/network.py

@@ -39,8 +39,8 @@ def networks(self, names=None, ids=None, filters=None):
 
     def create_network(self, name, driver=None, options=None, ipam=None,
                        check_duplicate=None, internal=False, labels=None,
-                       enable_ipv6=False, attachable=None, scope=None,
-                       ingress=None):
+                       enable_ipv4=True, enable_ipv6=False, attachable=None,
+                       scope=None, ingress=None):
         """
         Create a network. Similar to the ``docker network create``.
 
@@ -55,6 +55,7 @@ def create_network(self, name, driver=None, options=None, ipam=None,
                 ``False``.
             labels (dict): Map of labels to set on the network. Default
                 ``None``.
+            enable_ipv4 (bool): Enable IPv4 on the network. Default ``True``.
             enable_ipv6 (bool): Enable IPv6 on the network. Default ``False``.
             attachable (bool): If enabled, and the network is in the global
                 scope,  non-service containers on worker nodes will be able to
@@ -112,6 +113,13 @@ def create_network(self, name, driver=None, options=None, ipam=None,
                 raise TypeError('labels must be a dictionary')
             data["Labels"] = labels
 
+        if not enable_ipv4:
+            if version_lt(self._version, '1.48'):
+                raise InvalidVersion(
+                    'enable_ipv4 was introduced in API 1.48'
+                )
+            data['EnableIPv4'] = False
+
         if enable_ipv6:
             if version_lt(self._version, '1.23'):
                 raise InvalidVersion(

tests/integration/api_network_test.py

@@ -447,6 +447,22 @@ def test_create_network_with_labels_wrong_type(self):
         with pytest.raises(TypeError):
             self.create_network(labels=['com.docker.py.test=label', ])
 
+    @requires_api_version('1.48')
+    def test_create_network_ipv4_disabled(self):
+        _, net_id = self.create_network(
+            enable_ipv4=False, ipam=IPAMConfig(
+                driver='default',
+                pool_configs=[
+                    IPAMPool(
+                        subnet="2001:389::/64", iprange="2001:389::0/96",
+                        gateway="2001:389::ffff"
+                    )
+                ]
+            )
+        )
+        net = self.client.inspect_network(net_id)
+        assert net['EnableIPv4'] is False
+
     @requires_api_version('1.23')
     def test_create_network_ipv6_enabled(self):
         _, net_id = self.create_network(

tests/unit/fake_api.py

@@ -460,6 +460,7 @@ def get_fake_network_list():
         "Id": FAKE_NETWORK_ID,
         "Scope": "local",
         "Driver": "bridge",
+        "EnableIPv4": True,
         "EnableIPv6": False,
         "Internal": False,
         "IPAM": {