fix(cinder-understack): update options to behave more like upstream

This configuration of the options before we call the parent class isn't
necessary to configure the options. Import them the same way upstream
code imports them as well to minimize the differences.

Author: cardoe

python/cinder-understack/cinder_understack/dynamic_netapp_driver.py

@@ -5,7 +5,7 @@
 from cinder import interface
 from cinder.objects import volume_type as vol_type_obj
 from cinder.volume import driver as volume_driver
-from cinder.volume.drivers.netapp import options
+from cinder.volume.drivers.netapp import options as na_opts
 from cinder.volume.drivers.netapp.dataontap.client.client_cmode_rest import (
     RestClient as RestNaServer,
 )
@@ -21,14 +21,13 @@
 # Configuration options for dynamic NetApp driver
 # Using cinder.volume.configuration approach for better abstraction
 NETAPP_DYNAMIC_OPTS = [
-    options.netapp_proxy_opts,
-    options.netapp_connection_opts,
-    options.netapp_transport_opts,
-    options.netapp_basicauth_opts,
-    options.netapp_provisioning_opts,
-    options.netapp_cluster_opts,
-    options.netapp_san_opts,
-    volume_driver.volume_opts,
+    na_opts.netapp_connection_opts,
+    na_opts.netapp_basicauth_opts,
+    na_opts.netapp_transport_opts,
+    na_opts.netapp_provisioning_opts,
+    na_opts.netapp_support_opts,
+    na_opts.netapp_san_opts,
+    na_opts.netapp_cluster_opts,
 ]
 
 
@@ -48,64 +47,11 @@ def __init__(self, *args, **kwargs):
         Parent driver creates static connections during init. We defer
         SVM connections until volume creation when we know which SVM to use.
         """
-        self._setup_configuration(**kwargs)
-
         super().__init__(*args, **kwargs)
         self.client = None
         self.ssc_library = None
         self.perf_library = None
 
-    def _setup_configuration(self, **kwargs):
-        """Setup configuration using cinder.volume.configuration module."""
-        from cinder.volume import configuration
-
-        config_obj = kwargs.get("configuration", None)
-
-        if config_obj:
-            # here we can access any cinder-provided config .
-            self.configuration = config_obj
-            config_group = getattr(config_obj, "config_group", "netapp_nvme")
-
-            # Register NetApp-specific options using configuration.append()
-            # Following the exact pattern from upstream NetApp drivers
-
-            try:
-                for opt_group in NETAPP_DYNAMIC_OPTS:
-                    self.configuration.append_config_values(opt_group)
-
-                LOG.info(
-                    "Registered NetApp configuration options for group: %s",
-                    config_group,
-                )
-
-            except Exception as e:
-                LOG.warning("Failed to register configuration options: %s", e)
-                # Continue default configuration handling for backward compatibility
-        else:
-            # Testing/Fallback: Create configuration object with all options
-            config_group = "netapp_nvme"
-            self.configuration = configuration.Configuration(
-                volume_driver.volume_opts, config_group=config_group
-            )
-
-            # Register additional NetApp options for testing
-            try:
-                for opt_group in NETAPP_DYNAMIC_OPTS:
-                    if (
-                        opt_group != volume_driver.volume_opts
-                    ):  # Avoid duplicate registration
-                        self.configuration.append_config_values(opt_group)
-
-                LOG.info(
-                    "Registered NetApp configuration options for testing group: %s",
-                    config_group,
-                )
-
-            except Exception as e:
-                LOG.warning(
-                    "Failed to register configuration options for testing: %s", e
-                )
-
     def do_setup(self, context):
         """Skip static NetApp connections, defer to volume creation time."""
         LOG.info("Skipping static setup, will connect to SVMs dynamically")
@@ -952,6 +898,11 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.library = NetappDynamicLibrary(self.DRIVER_NAME, "NVMe", **kwargs)
 
+    @staticmethod
+    def get_driver_options():
+        """All options this driver supports."""
+        return [item for sublist in NETAPP_DYNAMIC_OPTS for item in sublist]
+
     def do_setup(self, context):
         """Setup the driver."""
         self.library.do_setup(context)