Deprecate auth_version option

The same option in tempest was deprecated by [1], because Identity v3
API is the only available version now. Deprecate the option and remove
the old logic to support Identity v2 API which was already removed.

[1] https://review.opendev.org/c/openstack/tempest/+/906158

Change-Id: Id12672fabfd51755eeff7b0d701abfb63e0abce0

heat_tempest_plugin/config.py

@@ -59,6 +59,9 @@ HeatGroup = [
     cfg.StrOpt('auth_url',
                help="Full URI of the OpenStack Identity API (Keystone)."),
     cfg.StrOpt('auth_version',
+               deprecated_for_removal=True,
+               deprecated_reason='Identity v2 API was removed and v3 is '
+                                 'the only available identity API version now',
                help="OpenStack Identity API version."),
     cfg.StrOpt('user_domain_name',
                help="User domain name, if keystone v3 auth_url "

heat_tempest_plugin/services/clients.py

@@ -62,18 +62,16 @@ class ClientManager(object):
     calling various OpenStack APIs.
     """
 
-    CINDERCLIENT_VERSION = '3'
+    CINDER_API_VERSION = '3'
-    HEATCLIENT_VERSION = '1'
+    GNOCCHI_API_VERSION = '1'
+    HEAT_API_VERSION = '1'
+    KEYSTONE_API_VERSION = '3'
     NOVA_API_VERSION = '2.1'
-    GNOCCHI_VERSION = '1'
 
     def __init__(self, conf, admin_credentials=False):
         self.conf = conf
         self.admin_credentials = admin_credentials
 
-        self.auth_version = self.conf.auth_version
-        if not self.auth_version:
-            self.auth_version = self.conf.auth_url.split('/v')[1]
         self.insecure = self.conf.disable_ssl_certificate_validation
         self.ca_file = self.conf.ca_file
 
@@ -108,7 +106,7 @@ class ClientManager(object):
             session = self.identity_client.session
 
         return heat_client.Client(
-            self.HEATCLIENT_VERSION,
+            self.HEAT_API_VERSION,
             endpoint,
             session=session,
             endpoint_type=self.conf.endpoint_type,
@@ -126,15 +124,12 @@ class ClientManager(object):
             'username': self._username(),
             'password': self._password(),
             'project_name': self._project_name(),
-            'auth_url': self.conf.auth_url
+            'auth_url': self.conf.auth_url,
+            'user_domain_id': user_domain_id,
+            'user_domain_name': user_domain_name,
+            'project_domain_id': project_domain_id,
+            'project_domain_name': project_domain_name
         }
-        # keystone v2 can't ignore domain details
-        if self.auth_version == '3':
-            kwargs.update({
-                'user_domain_id': user_domain_id,
-                'project_domain_id': project_domain_id,
-                'user_domain_name': user_domain_name,
-                'project_domain_name': project_domain_name})
         auth = password.Password(**kwargs)
         if self.insecure:
             verify_cert = False
@@ -164,7 +159,7 @@ class ClientManager(object):
 
     def _get_volume_client(self):
         return cinder_client.Client(
-            self.CINDERCLIENT_VERSION,
+            self.CINDER_API_VERSION,
             session=self.identity_client.session,
             endpoint_type=self.conf.endpoint_type,
             region_name=self.conf.region,
@@ -172,7 +167,7 @@ class ClientManager(object):
 
     def _get_object_client(self):
         args = {
-            'auth_version': self.auth_version,
+            'auth_version': self.KEYSTONE_API_VERSION,
             'session': self.identity_client.session,
             'cacert': self.ca_file,
             'insecure': self.insecure,
@@ -190,5 +185,5 @@ class ClientManager(object):
             'session': self.identity_client.session,
             'adapter_options': adapter_options
         }
-        return gnocchi_client.Client(version=self.GNOCCHI_VERSION,
+        return gnocchi_client.Client(version=self.GNOCCHI_API_VERSION,
                                      **args)

releasenotes/notes/deprecate-auth_version-45a3cbb9711ac0aa.yaml

@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    The ``auth_version`` option has been deprecated and has no effect. This
+    option will be removed in a future release.