add model mapping

llama_stack/providers/remote/post_training/nvidia/models.py

@@ -0,0 +1,24 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+from typing import List
+
+from llama_stack.models.llama.datatypes import CoreModelId
+from llama_stack.providers.utils.inference.model_registry import (
+    ProviderModelEntry,
+    build_hf_repo_model_entry,
+)
+
+_MODEL_ENTRIES = [
+    build_hf_repo_model_entry(
+        "meta/llama-3.1-8b-instruct",
+        CoreModelId.llama3_1_8b_instruct.value,
+    )
+]
+
+
+def get_model_entries() -> List[ProviderModelEntry]:
+    return _MODEL_ENTRIES

llama_stack/providers/remote/post_training/nvidia/post_training.py

@@ -22,8 +22,11 @@ from llama_stack.apis.post_training import (
 from llama_stack.providers.remote.post_training.nvidia.config import (
     NvidiaPostTrainingConfig,
 )
+from llama_stack.providers.utils.inference.model_registry import ModelRegistryHelper
 from llama_stack.schema_utils import webmethod
 
+from .models import _MODEL_ENTRIES
+
 # Map API status to JobStatus enum
 STATUS_MAPPING = {
     "running": "in_progress",
@@ -51,7 +54,7 @@ class ListNvidiaPostTrainingJobs(BaseModel):
     data: List[NvidiaPostTrainingJob]
 
 
-class NvidiaPostTrainingAdapter:
+class NvidiaPostTrainingAdapter(ModelRegistryHelper):
     def __init__(self, config: NvidiaPostTrainingConfig):
         self.config = config
         self.headers = {}
@@ -59,6 +62,8 @@ class NvidiaPostTrainingAdapter:
             self.headers["Authorization"] = f"Bearer {config.api_key}"
 
         self.timeout = aiohttp.ClientTimeout(total=config.timeout)
+        # TODO(mf): filter by available models
+        ModelRegistryHelper.__init__(self, model_entries=_MODEL_ENTRIES)
 
     async def _make_request(
         self,
@@ -200,11 +205,7 @@ class NvidiaPostTrainingAdapter:
             - NVIDIA_OUTPUT_MODEL_DIR: Directory to save the output model
         """
         # map model to nvidia model name
-        model_mapping = {
-            "Llama3.1-8B-Instruct": "meta/llama-3.1-8b-instruct",
-            "meta-llama/Llama-3.1-8B-Instruct": "meta/llama-3.1-8b-instruct",
-        }
-        nvidia_model = model_mapping.get(model, model)
+        nvidia_model = self.get_provider_model_id(model)
 
         # Check for unsupported parameters
         if checkpoint_dir or hyperparam_search_config or logger_config:

tests/unit/providers/nvidia/__init__.py

@@ -0,0 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.

tests/unit/providers/nvidia/test_supervised_fine_tuning.py

@@ -22,6 +22,7 @@ from llama_stack.distribution.library_client import LlamaStackAsLibraryClient
 
 
 class TestNvidiaPostTraining(unittest.TestCase):
+    # ToDo: add tests for env variables, models supported.
     def setUp(self):
         os.environ["NVIDIA_BASE_URL"] = "http://nemo.test"  # needed for llm inference
         os.environ["NVIDIA_CUSTOMIZER_URL"] = "http://nemo.test"  # needed for nemo customizer