Add availability_zone param to load balancer

Parameter availability_zone was added in Octavia API v2.14.

Change-Id: I5f3d4eb1357f370a0fba99146825d39e30f4c89c

openstack/load_balancer/v2/load_balancer.py

@@ -29,13 +29,15 @@ class LoadBalancer(resource.Resource, resource.TagMixin):
         'description', 'flavor_id', 'name', 'project_id', 'provider',
         'vip_address', 'vip_network_id', 'vip_port_id', 'vip_subnet_id',
         'vip_qos_policy_id', 'provisioning_status', 'operating_status',
-        is_admin_state_up='admin_state_up',
+        'availability_zone', is_admin_state_up='admin_state_up',
         **resource.TagMixin._tag_query_parameters
     )
 
     # Properties
     #: The administrative state of the load balancer *Type: bool*
     is_admin_state_up = resource.Body('admin_state_up', type=bool)
+    #: Name of the target Octavia availability zone
+    availability_zone = resource.Body('availability_zone')
     #: Timestamp when the load balancer was created
     created_at = resource.Body('created_at')
     #: The load balancer description

openstack/tests/unit/load_balancer/test_load_balancer.py

@@ -19,6 +19,7 @@ from openstack.load_balancer.v2 import load_balancer
 IDENTIFIER = 'IDENTIFIER'
 EXAMPLE = {
     'admin_state_up': True,
+    'availability_zone': 'my_fake_az',
     'created_at': '2017-07-17T12:14:57.233772',
     'description': 'fake_description',
     'flavor_id': uuid.uuid4(),
@@ -64,6 +65,8 @@ class TestLoadBalancer(base.TestCase):
     def test_make_it(self):
         test_load_balancer = load_balancer.LoadBalancer(**EXAMPLE)
         self.assertTrue(test_load_balancer.is_admin_state_up)
+        self.assertEqual(EXAMPLE['availability_zone'],
+                         test_load_balancer.availability_zone)
         self.assertEqual(EXAMPLE['created_at'], test_load_balancer.created_at)
         self.assertEqual(EXAMPLE['description'],
                          test_load_balancer.description)
@@ -93,6 +96,7 @@ class TestLoadBalancer(base.TestCase):
         self.assertDictEqual(
             {'limit': 'limit',
              'marker': 'marker',
+             'availability_zone': 'availability_zone',
              'description': 'description',
              'flavor_id': 'flavor_id',
              'name': 'name',

releasenotes/notes/add-support-availability_zone-loadbalancer-a18aa1708d7859e2.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Added availability_zone parameter into load balancer.