Use glanceclient for functional tests

With the 2.36 microversion in nova the images proxy API is
deprecated and returns a 404. This change makes the functional
tests use glanceclient directly for listing images.

Change-Id: If02bc97a10f1551a707e8e1cdb548fc27ef22ce1

novaclient/tests/functional/base.py

@@ -16,6 +16,7 @@ import uuid
 
 from cinderclient.v2 import client as cinderclient
 import fixtures
+from glanceclient import client as glanceclient
 from keystoneauth1.exceptions import discovery as discovery_exc
 from keystoneauth1 import identity
 from keystoneauth1 import session as ksession
@@ -208,9 +209,11 @@ class ClientTestBase(testtools.TestCase):
 
         self.client = novaclient.client.Client(version, session=session)
 
+        self.glance = glanceclient.Client('2', session=session)
+
         # pick some reasonable flavor / image combo
         self.flavor = pick_flavor(self.client.flavors.list())
-        self.image = pick_image(self.client.images.list())
+        self.image = pick_image(self.glance.images.list())
         self.network = pick_network(self.client.networks.list())
 
         # create a CLI client in case we'd like to do CLI

test-requirements.txt

@@ -10,6 +10,7 @@ keyring>=5.5.1 # MIT/PSF
 mock>=2.0 # BSD
 python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
 python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0
+python-glanceclient>=2.0.0  # Apache-2.0
 requests-mock>=1.0 # Apache-2.0
 sphinx!=1.3b1,<1.3,>=1.2.1 # BSD
 os-client-config!=1.19.0,>=1.13.1 # Apache-2.0