Allow passing project_id to create_network

The neutron net-create verb allows passing a tenant_id param,
allowing a cloud admin to create networks on any projects is
granted to.
This change allows passing this param, which is an admin-only
option.

Change-Id: I76285ad1f7106f9a5900f118cdc7a5012786869d

shade/openstackcloud.py

@@ -1675,7 +1675,7 @@ class OpenStackCloud(object):
         return True
 
     def create_network(self, name, shared=False, admin_state_up=True,
-                       external=False, provider=None):
+                       external=False, provider=None, project_id=None):
         """Create a network.
 
         :param string name: Name of the network being created.
@@ -1685,17 +1685,21 @@ class OpenStackCloud(object):
         :param dict provider: A dict of network provider options. Example::
 
            { 'network_type': 'vlan', 'segmentation_id': 'vlan1' }
+        :param string project_id: Specify the project ID this network
+            will be created on (admin-only).
 
         :returns: The network object.
         :raises: OpenStackCloudException on operation error.
         """
-
         network = {
             'name': name,
             'shared': shared,
             'admin_state_up': admin_state_up,
         }
 
+        if project_id is not None:
+            network['tenant_id'] = project_id
+
         if provider:
             if not isinstance(provider, dict):
                 raise OpenStackCloudException(

shade/tests/unit/test_network.py

@@ -36,6 +36,20 @@ class TestNetwork(base.TestCase):
             )
         )
 
+    @mock.patch.object(shade.OpenStackCloud, 'neutron_client')
+    def test_create_network_specific_tenant(self, mock_neutron):
+        self.cloud.create_network("netname", project_id="project_id_value")
+        mock_neutron.create_network.assert_called_with(
+            body=dict(
+                network=dict(
+                    name='netname',
+                    shared=False,
+                    admin_state_up=True,
+                    tenant_id="project_id_value",
+                )
+            )
+        )
+
     @mock.patch.object(shade.OpenStackCloud, 'neutron_client')
     def test_create_network_external(self, mock_neutron):
         self.cloud.create_network("netname", external=True)