Adding dns_domain parameter into create_network

The Network class supports the dns_domain field. This change
adds in the ability to create & update networks with the
dns_domain set.

Change-Id: Ifa072138b616d2a12696b27e10556f92542c05cb

openstack/cloud/_network.py

@@ -448,7 +448,7 @@ def create_network(self, name, shared=False, admin_state_up=True,
                        external=False, provider=None, project_id=None,
                        availability_zone_hints=None,
                        port_security_enabled=None,
-                       mtu_size=None):
+                       mtu_size=None, dns_domain=None):
         """Create a network.
 
         :param string name: Name of the network being created.
@@ -465,6 +465,8 @@ def create_network(self, name, shared=False, admin_state_up=True,
         :param bool port_security_enabled: Enable / Disable port security
         :param int mtu_size: maximum transmission unit value to address
             fragmentation. Minimum value is 68 for IPv4, and 1280 for IPv6.
+        :param string dns_domain: Specify the DNS domain associated with
+            this network.
 
         :returns: The network object.
         :raises: OpenStackCloudException on operation error.
@@ -523,14 +525,18 @@ def create_network(self, name, shared=False, admin_state_up=True,
 
             network['mtu'] = mtu_size
 
+        if dns_domain:
+            network['dns_domain'] = dns_domain
+
         data = self.network.post("/networks.json", json={'network': network})
 
         # Reset cache so the new network is picked up
         self._reset_network_caches()
         return self._get_and_munchify('network', data)
 
     @_utils.valid_kwargs("name", "shared", "admin_state_up", "external",
-                         "provider", "mtu_size", "port_security_enabled")
+                         "provider", "mtu_size", "port_security_enabled",
+                         "dns_domain")
     def update_network(self, name_or_id, **kwargs):
         """Update a network.
 
@@ -545,6 +551,8 @@ def update_network(self, name_or_id, **kwargs):
         :param int mtu_size: New maximum transmission unit value to address
             fragmentation. Minimum value is 68 for IPv4, and 1280 for IPv6.
         :param bool port_security_enabled: Enable or disable port security.
+        :param string dns_domain: Specify the DNS domain associated with
+            this network.
 
         :returns: The updated network object.
         :raises: OpenStackCloudException on operation error.

openstack/tests/unit/cloud/test_network.py

@@ -45,7 +45,8 @@ class TestNetwork(base.TestCase):
         'admin_state_up': True,
         'tenant_id': '861808a93da0484ea1767967c4df8a23',
         'created_at': '2017-04-22T19:22:53Z',
-        'mtu': 0
+        'mtu': 0,
+        'dns_domain': 'sample.openstack.org.'
     }
 
     network_availability_zone_extension = {

releasenotes/notes/dns-domain-parameter-d3acfc3287a9d632.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Added dns_domain parameter into the create_network and update_network
+    methods.