Upgrade keystone version from v2.0 t v3 in functional test cases

Functional test cases refer to kesytone auth url version v2.0.
This version is deprecated. Update to v3.

Change-Id: I0676f8b5c7a5925de649f7a8909188ffbe7fd5ca
Closes-bug: 1594448

tacker/tests/constants.py

@@ -20,3 +20,4 @@ DEAD_SLEEP_TIME = 1
 SCALE_WINDOW_SLEEP_TIME = 120
 NS_CREATE_TIMEOUT = 400
 NS_DELETE_TIMEOUT = 300
+NOVA_CLIENT_VERSION = 2

tacker/tests/etc/samples/local-vim.yaml

@@ -3,3 +3,5 @@ username: nfv_user
 password: devstack
 project_name: nfv
 domain_name: Default
+user_domain_name: Default
+project_domain_name: Default

tacker/tests/functional/base.py

@@ -15,6 +15,8 @@
 import time
 import yaml
 
+from keystoneauth1.identity import v3
+from keystoneauth1 import session
 from neutronclient.v2_0 import client as neutron_client
 from novaclient import client as nova_client
 from oslo_config import cfg
@@ -51,29 +53,45 @@ class BaseTackerTest(base.BaseTestCase):
     @classmethod
     def get_credentials(cls):
         vim_params = yaml.load(read_file('local-vim.yaml'))
-        vim_params['auth_url'] += '/v2.0'
+        vim_params['auth_url'] += '/v3'
         return vim_params
 
     @classmethod
     def tackerclient(cls):
         vim_params = cls.get_credentials()
-        return tacker_client.Client(username=vim_params['username'],
-                                    password=vim_params['password'],
-                                    tenant_name=vim_params['project_name'],
-                                    auth_url=vim_params['auth_url'])
+        auth = v3.Password(auth_url=vim_params['auth_url'],
+            username=vim_params['username'],
+            password=vim_params['password'],
+            project_name=vim_params['project_name'],
+            user_domain_name=vim_params['user_domain_name'],
+            project_domain_name=vim_params['project_domain_name'])
+        auth_ses = session.Session(auth=auth)
+        return tacker_client.Client(session=auth_ses)
 
     @classmethod
     def novaclient(cls):
         vim_params = cls.get_credentials()
-        return nova_client.Client('2', username=vim_params['username'],
-                                  password=vim_params['password'],
-                                  project_name=vim_params['project_name'],
-                                  auth_url=vim_params['auth_url'])
+        auth = v3.Password(auth_url=vim_params['auth_url'],
+            username=vim_params['username'],
+            password=vim_params['password'],
+            project_name=vim_params['project_name'],
+            user_domain_name=vim_params['user_domain_name'],
+            project_domain_name=vim_params['project_domain_name'])
+        auth_ses = session.Session(auth=auth)
+        return nova_client.Client(constants.NOVA_CLIENT_VERSION,
+                                  session=auth_ses)
 
     @classmethod
     def neutronclient(cls):
         vim_params = cls.get_credentials()
-        return neutron_client.Client(**vim_params)
+        auth = v3.Password(auth_url=vim_params['auth_url'],
+            username=vim_params['username'],
+            password=vim_params['password'],
+            project_name=vim_params['project_name'],
+            user_domain_name=vim_params['user_domain_name'],
+            project_domain_name=vim_params['project_domain_name'])
+        auth_ses = session.Session(auth=auth)
+        return neutron_client.Client(session=auth_ses)
 
     @classmethod
     def heatclient(cls):