feat: add provider data keys for Cerebras, Databricks, NVIDIA, and RunPod

- added missing tests for Fireworks, Anthropic, Gemini, SambaNova, and vLLM

llama_stack/providers/remote/inference/databricks/config.py

@@ -6,12 +6,19 @@
 
 from typing import Any
 
-from pydantic import Field, SecretStr
+from pydantic import BaseModel, Field, SecretStr
 
 from llama_stack.providers.utils.inference.model_registry import RemoteInferenceProviderConfig
 from llama_stack.schema_utils import json_schema_type
 
 
+class DatabricksProviderDataValidator(BaseModel):
+    databricks_api_token: str | None = Field(
+        default=None,
+        description="API token for Databricks models",
+    )
+
+
 @json_schema_type
 class DatabricksImplConfig(RemoteInferenceProviderConfig):
     url: str | None = Field(

llama_stack/providers/remote/inference/databricks/databricks.py

@@ -21,6 +21,8 @@ logger = get_logger(name=__name__, category="inference::databricks")
 class DatabricksInferenceAdapter(OpenAIMixin):
     config: DatabricksImplConfig
 
+    provider_data_api_key_field: str = "databricks_api_token"
+
     # source: https://docs.databricks.com/aws/en/machine-learning/foundation-model-apis/supported-models
     embedding_model_metadata: dict[str, dict[str, int]] = {
         "databricks-gte-large-en": {"embedding_dimension": 1024, "context_length": 8192},