DNM/WIP: Detect misconfig and navigate

Change-Id: I483b1250835bd73fe41d7b7acf5f7a382ba6b6e8

ironic_tempest_plugin/tests/api/base.py

@@ -40,6 +40,9 @@ SUPPORTED_DRIVERS = ['fake', 'fake-hardware']
 RESOURCE_TYPES = ['port', 'portgroup', 'node', 'volume_connector',
                   'volume_target', 'chassis', 'deploy_template']
 
+# Flag to allow us to discover a misconfiguration state and handle it.
+USE_SCOPED_RBAC = None
+
 
 def creates(resource):
     """Decorator that adds resources to the appropriate cleanup list."""
@@ -62,6 +65,7 @@ class BaseBaremetalTest(api_version_utils.BaseMicroversionTest,
     """Base class for Baremetal API tests."""
 
     credentials = ['admin', 'system_admin']
+    use_system_scope = None
 
     @classmethod
     def skip_checks(cls):
@@ -81,6 +85,12 @@ class BaseBaremetalTest(api_version_utils.BaseMicroversionTest,
                                                        cfg_min_version,
                                                        cfg_max_version)
 
+    @classmethod
+    def change_to_system_client(cls):
+        cls.client = cls.os_system_admin.baremetal.BaremetalClient()
+        global USE_SCOPED_RBAC
+        USE_SCOPED_RBAC = True
+
     @classmethod
     def setup_credentials(cls):
         cls.request_microversion = (
@@ -95,7 +105,8 @@ class BaseBaremetalTest(api_version_utils.BaseMicroversionTest,
     @classmethod
     def setup_clients(cls):
         super(BaseBaremetalTest, cls).setup_clients()
-        if CONF.enforce_scope.ironic:
+        # if CONF.enforce_scope.ironic:
+        if USE_SCOPED_RBAC:
             cls.client = cls.os_system_admin.baremetal.BaremetalClient()
         else:
             cls.client = cls.os_admin.baremetal.BaremetalClient()
@@ -192,9 +203,18 @@ class BaseBaremetalTest(api_version_utils.BaseMicroversionTest,
         :return: A tuple with the server response and the created chassis.
 
         """
-        description = description or data_utils.rand_name('test-chassis')
-        resp, body = cls.client.create_chassis(description=description,
-                                               **kwargs)
+        try:
+            description = description or data_utils.rand_name('test-chassis')
+            resp, body = cls.client.create_chassis(description=description,
+                                                   **kwargs)
+        except lib_exc.ServerFault as e:
+            if 'request was made with project scope' in e:
+                # Server is enforcing Secure RBAC and tempest was misconfigured
+                cls.change_to_system_client()
+                resp, body = cls.client.create_chassis(
+                    description=description, **kwargs)
+            else:
+                raise
         return resp, body
 
     @classmethod