Update service client access in tempest tests

All the load balancer service clients are registered via the plugin interface[1],
that way Tempest register and create the lazy initialization of registered clients
so that they can be access from there in consistent way.

But octavia-tempest-client create a separate instance of those and access instead of
accessing the registered service client in Tempest. This commit makes all the service clients
access from Tempest registry and remove the separate objects.

[1] https://github.com/openstack/octavia-tempest-plugin/blob/cac3eefc44afca458692e9dadb539c0cb17dc9e4/octavia_tempest_plugin/plugin.py#L54

Change-Id: Ie24909b49baf2c6a886e2ff711e641e36ffe6b50
diff --git a/octavia_tempest_plugin/tests/test_base.py b/octavia_tempest_plugin/tests/test_base.py
index b9438e4..b0bd643 100644
--- a/octavia_tempest_plugin/tests/test_base.py
+++ b/octavia_tempest_plugin/tests/test_base.py
@@ -30,7 +30,6 @@
 from tempest import test
 import tenacity
 
-from octavia_tempest_plugin import clients
 from octavia_tempest_plugin.common import cert_utils
 from octavia_tempest_plugin.common import constants as const
 from octavia_tempest_plugin.tests import RBAC_tests
@@ -89,7 +88,6 @@
     # Tests shall not mess with the list of allocated credentials
     allocated_credentials = tuple(allocated_creds)
 
-    client_manager = clients.ManagerV2
     webserver1_response = 1
     webserver2_response = 5
     used_ips = []
@@ -165,6 +163,7 @@
     def setup_clients(cls):
         """Setup client aliases."""
         super(LoadBalancerBaseTest, cls).setup_clients()
+        lb_admin_prefix = cls.os_roles_lb_admin.load_balancer_v2
         cls.lb_mem_float_ip_client = cls.os_roles_lb_member.floating_ips_client
         cls.lb_mem_keypairs_client = cls.os_roles_lb_member.keypairs_client
         cls.lb_mem_net_client = cls.os_roles_lb_member.networks_client
@@ -175,33 +174,41 @@
             cls.os_roles_lb_member.security_group_rules_client)
         cls.lb_mem_servers_client = cls.os_roles_lb_member.servers_client
         cls.lb_mem_subnet_client = cls.os_roles_lb_member.subnets_client
-        cls.mem_lb_client = cls.os_roles_lb_member.loadbalancer_client
-        cls.mem_listener_client = cls.os_roles_lb_member.listener_client
-        cls.mem_pool_client = cls.os_roles_lb_member.pool_client
-        cls.mem_member_client = cls.os_roles_lb_member.member_client
+        cls.mem_lb_client = (
+            cls.os_roles_lb_member.load_balancer_v2.LoadbalancerClient())
+        cls.mem_listener_client = (
+            cls.os_roles_lb_member.load_balancer_v2.ListenerClient())
+        cls.mem_pool_client = (
+            cls.os_roles_lb_member.load_balancer_v2.PoolClient())
+        cls.mem_member_client = (
+            cls.os_roles_lb_member.load_balancer_v2.MemberClient())
         cls.mem_healthmonitor_client = (
-            cls.os_roles_lb_member.healthmonitor_client)
-        cls.mem_l7policy_client = cls.os_roles_lb_member.l7policy_client
-        cls.mem_l7rule_client = cls.os_roles_lb_member.l7rule_client
-        cls.lb_admin_amphora_client = cls.os_roles_lb_admin.amphora_client
+            cls.os_roles_lb_member.load_balancer_v2.HealthMonitorClient())
+        cls.mem_l7policy_client = (
+            cls.os_roles_lb_member.load_balancer_v2.L7PolicyClient())
+        cls.mem_l7rule_client = (
+            cls.os_roles_lb_member.load_balancer_v2.L7RuleClient())
+        cls.lb_admin_amphora_client = lb_admin_prefix.AmphoraClient()
         cls.lb_admin_flavor_profile_client = (
-            cls.os_roles_lb_admin.flavor_profile_client)
-        cls.lb_admin_flavor_client = cls.os_roles_lb_admin.flavor_client
-        cls.mem_flavor_client = cls.os_roles_lb_member.flavor_client
-        cls.mem_provider_client = cls.os_roles_lb_member.provider_client
+            lb_admin_prefix.FlavorProfileClient())
+        cls.lb_admin_flavor_client = lb_admin_prefix.FlavorClient()
+        cls.mem_flavor_client = (
+            cls.os_roles_lb_member.load_balancer_v2.FlavorClient())
+        cls.mem_provider_client = (
+            cls.os_roles_lb_member.load_balancer_v2.ProviderClient())
         cls.os_admin_servers_client = cls.os_admin.servers_client
         cls.os_admin_routers_client = cls.os_admin.routers_client
         cls.os_admin_subnetpools_client = cls.os_admin.subnetpools_client
         cls.lb_admin_flavor_capabilities_client = (
-            cls.os_roles_lb_admin.flavor_capabilities_client)
+            lb_admin_prefix.FlavorCapabilitiesClient())
         cls.lb_admin_availability_zone_capabilities_client = (
-            cls.os_roles_lb_admin.availability_zone_capabilities_client)
+            lb_admin_prefix.AvailabilityZoneCapabilitiesClient())
         cls.lb_admin_availability_zone_profile_client = (
-            cls.os_roles_lb_admin.availability_zone_profile_client)
+            lb_admin_prefix.AvailabilityZoneProfileClient())
         cls.lb_admin_availability_zone_client = (
-            cls.os_roles_lb_admin.availability_zone_client)
+            lb_admin_prefix.AvailabilityZoneClient())
         cls.mem_availability_zone_client = (
-            cls.os_roles_lb_member.availability_zone_client)
+            cls.os_roles_lb_member.load_balancer_v2.AvailabilityZoneClient())
 
     @classmethod
     def resource_setup(cls):