[TF] Fix issue with missing NetworkIpAvailability extension.

In environment with TungstenFabric and enabled amphora provider.

Related-PROD: PRODX-30528
Change-Id: I63c36c3c23d920f12f4823062990227844f2bf49
diff --git a/octavia_tempest_plugin/config.py b/octavia_tempest_plugin/config.py
index c48e257..bbf1ba6 100644
--- a/octavia_tempest_plugin/config.py
+++ b/octavia_tempest_plugin/config.py
@@ -15,6 +15,7 @@
 
 from oslo_config import cfg
 from oslo_log import log as logging
+from tempest import config
 
 from octavia_tempest_plugin.common import constants as const
 
@@ -304,3 +305,12 @@
                      'scope? This configuration value should be same as '
                      'octavia.conf: [oslo_policy].enforce_scope option.'),
 ]
+
+
+def is_tungstenfabric_backend_enabled():
+    """Return True if TungstenFabric is used as a backend."""
+    try:
+        sdn = getattr(config.CONF, 'sdn')
+        return getattr(sdn, 'service_name', None) == 'tungstenfabric'
+    except cfg.NoSuchOptError:
+        return False
diff --git a/octavia_tempest_plugin/tests/api/v2/test_amphora.py b/octavia_tempest_plugin/tests/api/v2/test_amphora.py
index 65d4fe5..ae2edc3 100644
--- a/octavia_tempest_plugin/tests/api/v2/test_amphora.py
+++ b/octavia_tempest_plugin/tests/api/v2/test_amphora.py
@@ -76,9 +76,15 @@
         * Validates that other accounts cannot see the amphora.
         """
         lb_name = data_utils.rand_name("lb_member_lb2_amphora-list")
-        lb = self.mem_lb_client.create_loadbalancer(
-            name=lb_name, provider=CONF.load_balancer.provider,
-            vip_network_id=self.lb_member_vip_net[const.ID])
+        lb_kwargs = {const.PROVIDER: CONF.load_balancer.provider,
+                     const.NAME: lb_name}
+        if config.is_tungstenfabric_backend_enabled():
+            self._setup_lb_network_kwargs(lb_kwargs, 4)
+        else:
+            lb_kwargs.update({
+                const.VIP_NETWORK_ID: self.lb_member_vip_net[const.ID]
+            })
+        lb = self.mem_lb_client.create_loadbalancer(**lb_kwargs)
         lb_id = lb[const.ID]
         self.addCleanup(self.mem_lb_client.cleanup_loadbalancer, lb_id)
 
@@ -173,9 +179,15 @@
                                      'Octavia API version 2.7 or newer.')
 
         lb_name = data_utils.rand_name("lb_member_lb2_amphora-update")
-        lb = self.mem_lb_client.create_loadbalancer(
-            name=lb_name, provider=CONF.load_balancer.provider,
-            vip_network_id=self.lb_member_vip_net[const.ID])
+        lb_kwargs = {const.PROVIDER: CONF.load_balancer.provider,
+                     const.NAME: lb_name}
+        if config.is_tungstenfabric_backend_enabled():
+            self._setup_lb_network_kwargs(lb_kwargs, 4)
+        else:
+            lb_kwargs.update({
+                const.VIP_NETWORK_ID: self.lb_member_vip_net[const.ID]
+            })
+        lb = self.mem_lb_client.create_loadbalancer(**lb_kwargs)
         lb_id = lb[const.ID]
         self.addCleanup(self.mem_lb_client.cleanup_loadbalancer, lb_id)
 
diff --git a/octavia_tempest_plugin/tests/api/v2/test_listener.py b/octavia_tempest_plugin/tests/api/v2/test_listener.py
index 3dc0d04..e429b67 100644
--- a/octavia_tempest_plugin/tests/api/v2/test_listener.py
+++ b/octavia_tempest_plugin/tests/api/v2/test_listener.py
@@ -396,7 +396,7 @@
         lb_name = data_utils.rand_name("lb_member_lb2_listener-list")
         lb_kwargs = {const.NAME: lb_name,
                      const.PROVIDER: CONF.load_balancer.provider}
-        if CONF.load_balancer.provider == 'tungstenfabric':
+        if config.is_tungstenfabric_backend_enabled():
             self._setup_lb_network_kwargs(lb_kwargs, 4)
         else:
             lb_kwargs.update({
diff --git a/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py b/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py
index 1d48e3c..754e439 100644
--- a/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py
+++ b/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py
@@ -175,7 +175,7 @@
         lb_name = data_utils.rand_name("lb_member_lb1-delete")
         lb_kwargs = {const.NAME: lb_name,
                      const.PROVIDER: CONF.load_balancer.provider}
-        if CONF.load_balancer.provider == 'tungstenfabric':
+        if config.is_tungstenfabric_backend_enabled():
             self._setup_lb_network_kwargs(lb_kwargs, 4)
         else:
             lb_kwargs.update({
@@ -228,9 +228,15 @@
         * Validates the load balancer is in the DELETED state.
         """
         lb_name = data_utils.rand_name("lb_member_lb1-cascade_delete")
-        lb = self.mem_lb_client.create_loadbalancer(
-            name=lb_name, provider=CONF.load_balancer.provider,
-            vip_network_id=self.lb_member_vip_net[const.ID])
+        lb_kwargs = {const.NAME: lb_name,
+                     const.PROVIDER: CONF.load_balancer.provider}
+        if config.is_tungstenfabric_backend_enabled():
+            self._setup_lb_network_kwargs(lb_kwargs, 4)
+        else:
+            lb_kwargs.update({
+                const.VIP_NETWORK_ID: self.lb_member_vip_net[const.ID]
+            })
+        lb = self.mem_lb_client.create_loadbalancer(**lb_kwargs)
         self.addClassResourceCleanup(
             self.mem_lb_client.cleanup_loadbalancer,
             lb[const.ID])
@@ -275,7 +281,7 @@
         return [lb for i, lb in enumerate(lbs) if i not in indexes]
 
     def _setup_lb_kwargs(self, lb_kwargs):
-        if CONF.load_balancer.provider == 'tungstenfabric':
+        if config.is_tungstenfabric_backend_enabled():
             del lb_kwargs[const.VIP_NETWORK_ID]
             self._setup_lb_network_kwargs(lb_kwargs, 4)
 
@@ -982,9 +988,15 @@
         * Wait for the load balancer to go ACTIVE.
         """
         lb_name = data_utils.rand_name("lb_member_lb1-failover")
-        lb = self.mem_lb_client.create_loadbalancer(
-            name=lb_name, provider=CONF.load_balancer.provider,
-            vip_network_id=self.lb_member_vip_net[const.ID])
+        lb_kwargs = {const.NAME: lb_name,
+                     const.PROVIDER: CONF.load_balancer.provider}
+        if config.is_tungstenfabric_backend_enabled():
+            self._setup_lb_network_kwargs(lb_kwargs, 4)
+        else:
+            lb_kwargs.update({
+                const.VIP_NETWORK_ID: self.lb_member_vip_net[const.ID]
+            })
+        lb = self.mem_lb_client.create_loadbalancer(**lb_kwargs)
         self.addClassResourceCleanup(
             self.mem_lb_client.cleanup_loadbalancer,
             lb[const.ID])
diff --git a/octavia_tempest_plugin/tests/api/v2/test_pool.py b/octavia_tempest_plugin/tests/api/v2/test_pool.py
index 6b56979..9df1ca5 100644
--- a/octavia_tempest_plugin/tests/api/v2/test_pool.py
+++ b/octavia_tempest_plugin/tests/api/v2/test_pool.py
@@ -263,7 +263,7 @@
         lb_name = data_utils.rand_name("lb_member_lb2_pool-list")
         lb_kwargs = {const.NAME: lb_name,
                      const.PROVIDER: CONF.load_balancer.provider}
-        if CONF.load_balancer.provider == 'tungstenfabric':
+        if config.is_tungstenfabric_backend_enabled():
             self._setup_lb_network_kwargs(lb_kwargs, 4)
         else:
             lb_kwargs.update({
diff --git a/octavia_tempest_plugin/tests/test_base.py b/octavia_tempest_plugin/tests/test_base.py
index 6d8523c..c93008e 100644
--- a/octavia_tempest_plugin/tests/test_base.py
+++ b/octavia_tempest_plugin/tests/test_base.py
@@ -34,6 +34,7 @@
 
 from octavia_tempest_plugin.common import cert_utils
 from octavia_tempest_plugin.common import constants as const
+from octavia_tempest_plugin import config as config_octavia
 from octavia_tempest_plugin.tests import RBAC_tests
 from octavia_tempest_plugin.tests import validators
 from octavia_tempest_plugin.tests import waiters
@@ -828,7 +829,8 @@
         LOG.debug('Octavia Setup: webserver2_public_ip = {}'.format(
             cls.webserver2_public_ip))
 
-        if CONF.load_balancer.test_with_ipv6:
+        if (CONF.load_balancer.test_with_ipv6 and not
+                config_octavia.is_tungstenfabric_backend_enabled()):
             # Enable the IPv6 nic in webserver 1
             cls._enable_ipv6_nic_webserver(
                 cls.webserver1_public_ip, cls.lb_member_keypair['private_key'],
@@ -1008,9 +1010,24 @@
                 network_id=network['id'],
                 mac_address=instance_network[0]['OS-EXT-IPS-MAC:mac_addr'])
             port_id = result['ports'][0]['id']
-            result = cls.lb_mem_float_ip_client.create_floatingip(
-                floating_network_id=CONF.network.public_network_id,
-                port_id=port_id)
+            if config_octavia.is_tungstenfabric_backend_enabled():
+                port = result['ports'][0]
+                fixed_ip = None
+                for ip in port["fixed_ips"]:
+                    if (type(ipaddress.ip_address(ip["ip_address"])) is
+                            ipaddress.IPv4Address):
+                        fixed_ip = ip["ip_address"]
+                        break
+                assert fixed_ip is not None, (f"Port doesn't have ipv4 "
+                                              f"address: {port['fixed_ips']}")
+                result = cls.lb_mem_float_ip_client.create_floatingip(
+                    floating_network_id=CONF.network.public_network_id,
+                    port_id=port_id,
+                    fixed_ip_address=fixed_ip)
+            else:
+                result = cls.lb_mem_float_ip_client.create_floatingip(
+                    floating_network_id=CONF.network.public_network_id,
+                    port_id=port_id)
             floating_ip = result['floatingip']
             LOG.info('webserver1_floating_ip: {}'.format(floating_ip))
             cls.addClassResourceCleanup(