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more validation

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This commit is contained in:
Dinesh Yeduguru 2024-11-18 12:11:53 -08:00
parent ccb5445d2a
commit acf9af841b
2 changed files with 37 additions and 4 deletions
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17
llama_stack/providers/tests/inference/test_model_registration.py
View file

@ -54,3 +54,20 @@ class TestModelRegistration:
model_id="custom-model",
metadata={"llama_model": CoreModelId.llama3_1_8b_instruct.value},
)
with pytest.raises(ValueError) as exc_info:
await models_impl.register_model(
model_id="custom-model-2",
metadata={"llama_model": CoreModelId.llama3_2_3b_instruct.value},
provider_model_id="custom-model",
)
@pytest.mark.asyncio
async def test_register_with_invalid_llama_model(self, inference_stack):
_, models_impl = inference_stack
with pytest.raises(Exception) as exc_info:
await models_impl.register_model(
model_id="custom-model-2",
metadata={"llama_model": "invalid-llama-model"},
)

24
llama_stack/providers/utils/inference/model_registry.py
View file

@ -7,6 +7,7 @@
from collections import namedtuple
from typing import List, Optional
from llama_models.datatypes import CoreModelId
from llama_models.sku_list import all_registered_models
from llama_stack.providers.datatypes import Model, ModelsProtocolPrivate
@ -69,9 +70,24 @@ class ModelRegistryHelper(ModelsProtocolPrivate):
f"Model '{model.provider_resource_id}' is not available and no llama_model was specified in metadata. "
"Please specify a llama_model in metadata or use a supported model identifier"
)
# Register the mapping from provider model id to llama model for future lookups
self.provider_id_to_llama_model_map[model.provider_resource_id] = (
model.metadata["llama_model"]
)
existing_llama_model = self.get_llama_model(model.provider_resource_id)
if existing_llama_model:
if existing_llama_model != model.metadata["llama_model"]:
raise ValueError(
f"Provider model id '{model.provider_resource_id}' is already registered to a different llama model: '{existing_llama_model}'"
)
else:
# Validate that the llama model is a valid CoreModelId
try:
CoreModelId(model.metadata["llama_model"])
except ValueError as err:
raise ValueError(
f"Invalid llama_model '{model.metadata['llama_model']}' specified in metadata. "
f"Must be one of: {', '.join(m.value for m in CoreModelId)}"
) from err
# Register the mapping from provider model id to llama model for future lookups
self.provider_id_to_llama_model_map[model.provider_resource_id] = (
model.metadata["llama_model"]
)
return model