Allow running tempest without tenant network resources.

It fits the Airship deployment where there is neither tenant networks
nor floating ips. It only updates the scenarios and must be completed
by other changes for all the advanced testcases (Rally, Tempest, etc)

Change-Id: I8077400536628ed2349b548efee3c3e165a0a5c3
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
(cherry picked from commit d88bd86e9e5b00f0c5bbbe9df0cb6f3002cb06b0)

1 files changed, 32 insertions, 8 deletions

diff --git a/functest/opnfv_tests/openstack/tempest/tempest.py b/functest/opnfv_tests/openstack/tempest/tempest.py
index 37da36bf7..a88f581d9 100644
--- a/functest/opnfv_tests/openstack/tempest/tempest.py
+++ b/functest/opnfv_tests/openstack/tempest/tempest.py
@@ -290,6 +290,8 @@ class TempestCommon(singlevm.VmReady2):
             assert os.path.exists(
                 account_file), "{} doesn't exist".format(account_file)
             rconfig.set('auth', 'test_accounts_file', account_file)
+        if env.get('NO_TENANT_NETWORK').lower() == 'true':
+            rconfig.set('auth', 'create_isolated_networks', False)
         rconfig.set('identity', 'admin_role', admin_role_name)
         rconfig.set('identity', 'default_domain_id', domain_id)
         if not rconfig.has_section('network'):
@@ -509,8 +511,11 @@ class TempestCommon(singlevm.VmReady2):
         rconfig.read(self.conf_file)
         if not rconfig.has_section('network'):
             rconfig.add_section('network')
-        rconfig.set('network', 'public_network_id', self.ext_net.id)
-        rconfig.set('network', 'floating_network_name', self.ext_net.name)
+        if self.ext_net:
+            rconfig.set('network', 'public_network_id', self.ext_net.id)
+            rconfig.set('network', 'floating_network_name', self.ext_net.name)
+        else:
+            rconfig.set('network-feature-enabled', 'floating_ips', False)
         with open(self.conf_file, 'w') as config_file:
             rconfig.write(config_file)
 
@@ -520,7 +525,9 @@ class TempestCommon(singlevm.VmReady2):
         rconfig.read(self.conf_file)
         if not rconfig.has_section('compute'):
             rconfig.add_section('compute')
-        rconfig.set('compute', 'fixed_network_name', self.network.name)
+        rconfig.set(
+            'compute', 'fixed_network_name',
+            self.network.name if self.network else env.get("EXTERNAL_NETWORK"))
         with open(self.conf_file, 'w') as config_file:
             rconfig.write(config_file)
 
@@ -530,7 +537,12 @@ class TempestCommon(singlevm.VmReady2):
         rconfig.read(self.conf_file)
         if not rconfig.has_section('validation'):
             rconfig.add_section('validation')
-        rconfig.set('validation', 'network_for_ssh', self.network.name)
+        rconfig.set(
+            'validation', 'connect_method',
+            'floating' if self.ext_net else 'fixed')
+        rconfig.set(
+            'validation', 'network_for_ssh',
+            self.network.name if self.network else env.get("EXTERNAL_NETWORK"))
         with open(self.conf_file, 'w') as config_file:
             rconfig.write(config_file)
 
@@ -726,10 +738,22 @@ class TempestHeat(TempestCommon):
         rconfig.set('heat_plugin', 'instance_type', self.flavor_alt.id)
         rconfig.set('heat_plugin', 'minimal_image_ref', self.image.id)
         rconfig.set('heat_plugin', 'minimal_instance_type', self.flavor.id)
-        rconfig.set('heat_plugin', 'floating_network_name', self.ext_net.name)
-        rconfig.set('heat_plugin', 'fixed_network_name', self.network.name)
-        rconfig.set('heat_plugin', 'fixed_subnet_name', self.subnet.name)
-        rconfig.set('heat_plugin', 'network_for_ssh', self.network.name)
+        if self.ext_net:
+            rconfig.set(
+                'heat_plugin', 'floating_network_name', self.ext_net.name)
+        if self.network:
+            rconfig.set('heat_plugin', 'fixed_network_name', self.network.name)
+            rconfig.set('heat_plugin', 'fixed_subnet_name', self.subnet.name)
+            rconfig.set('heat_plugin', 'network_for_ssh', self.network.name)
+        else:
+            LOGGER.warning(
+                'No tenant network created. '
+                'Trying EXTERNAL_NETWORK as a fallback')
+            rconfig.set(
+                'heat_plugin', 'fixed_network_name',
+                env.get("EXTERNAL_NETWORK"))
+            rconfig.set(
+                'heat_plugin', 'network_for_ssh', env.get("EXTERNAL_NETWORK"))
         with open(self.conf_file, 'w') as config_file:
             rconfig.write(config_file)
         self.backup_tempest_config(self.conf_file, self.res_dir)