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feat: Add nemo customizer (#1448)

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# What does this PR do?

This PR adds support for NVIDIA's NeMo Customizer API to the Llama Stack
post-training module. The integration enables users to fine-tune models
using NVIDIA's cloud-based customization service through a consistent
Llama Stack interface.


[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])

## Test Plan
[Describe the tests you ran to verify your changes with result
summaries. *Provide clear instructions so the plan can be easily
re-executed.*]
Yet to be done

Things pending under this PR:

- [x] Integration of fine-tuned model(new checkpoint) for inference with
nvidia llm distribution
- [x] distribution integration of API
- [x] Add test cases for customizer(In Progress)
- [x] Documentation

```

LLAMA_STACK_BASE_URL=http://localhost:5002 pytest -v tests/client-sdk/post_training/test_supervised_fine_tuning.py 

============================================================================================================================================================================ test session starts =============================================================================================================================================================================
platform linux -- Python 3.10.0, pytest-8.3.4, pluggy-1.5.0 -- /home/ubuntu/llama-stack/.venv/bin/python
cachedir: .pytest_cache
metadata: {'Python': '3.10.0', 'Platform': 'Linux-6.8.0-1021-gcp-x86_64-with-glibc2.35', 'Packages': {'pytest': '8.3.4', 'pluggy': '1.5.0'}, 'Plugins': {'nbval': '0.11.0', 'metadata': '3.1.1', 'anyio': '4.8.0', 'html': '4.1.1', 'asyncio': '0.25.3'}}
rootdir: /home/ubuntu/llama-stack
configfile: pyproject.toml
plugins: nbval-0.11.0, metadata-3.1.1, anyio-4.8.0, html-4.1.1, asyncio-0.25.3
asyncio: mode=strict, asyncio_default_fixture_loop_scope=None
collected 2 items                                                                                                                                                                                                                                                                                                                                                            

tests/client-sdk/post_training/test_supervised_fine_tuning.py::test_post_training_provider_registration[txt=8B] PASSED                                                                                                                                                                                                                                                 [ 50%]
tests/client-sdk/post_training/test_supervised_fine_tuning.py::test_list_training_jobs[txt=8B] PASSED                                                                                                                                                                                                                                                                  [100%]

======================================================================================================================================================================== 2 passed, 1 warning in 0.10s ========================================================================================================================================================================
```
cc: @mattf @dglogo @sumitb

---------

Co-authored-by: Ubuntu <ubuntu@llama-stack-customizer-dev-inst-2tx95fyisatvlic4we8hidx5tfj.us-central1-a.c.brevdevprod.internal>
This commit is contained in:
Rashmi Pawar 2025-03-25 23:31:10 +05:30 • committed by GitHub
parent ba14552a32
commit 1a73f8305b
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GPG key ID: B5690EEEBB952194
26 changed files with 1571 additions and 8 deletions
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2
llama_stack/templates/nvidia/build.yaml
View file

@ -14,6 +14,8 @@ distribution_spec:
- inline::meta-reference
eval:
- inline::meta-reference
post_training:
- remote::nvidia
datasetio:
- inline::localfs
scoring:

26
llama_stack/templates/nvidia/nvidia.py
View file

@ -21,6 +21,7 @@ def get_distribution_template() -> DistributionTemplate:
"agents": ["inline::meta-reference"],
"telemetry": ["inline::meta-reference"],
"eval": ["inline::meta-reference"],
"post_training": ["remote::nvidia"],
"datasetio": ["inline::localfs"],
"scoring": ["inline::basic"],
"tool_runtime": ["inline::rag-runtime"],
@ -89,6 +90,31 @@ def get_distribution_template() -> DistributionTemplate:
"",
"NVIDIA API Key",
),
## Nemo Customizer related variables
"NVIDIA_USER_ID": (
"llama-stack-user",
"NVIDIA User ID",
),
"NVIDIA_DATASET_NAMESPACE": (
"default",
"NVIDIA Dataset Namespace",
),
"NVIDIA_ACCESS_POLICIES": (
"{}",
"NVIDIA Access Policies",
),
"NVIDIA_PROJECT_ID": (
"test-project",
"NVIDIA Project ID",
),
"NVIDIA_CUSTOMIZER_URL": (
"https://customizer.api.nvidia.com",
"NVIDIA Customizer URL",
),
"NVIDIA_OUTPUT_MODEL_DIR": (
"test-example-model@v1",
"NVIDIA Output Model Directory",
),
"GUARDRAILS_SERVICE_URL": (
"http://0.0.0.0:7331",
"URL for the NeMo Guardrails Service",

9
llama_stack/templates/nvidia/run-with-safety.yaml
View file

@ -5,6 +5,7 @@ apis:
- datasetio
- eval
- inference
- post_training
- safety
- scoring
- telemetry
@ -58,6 +59,14 @@ providers:
type: sqlite
namespace: null
db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/nvidia}/meta_reference_eval.db
post_training:
- provider_id: nvidia
provider_type: remote::nvidia
config:
api_key: ${env.NVIDIA_API_KEY:}
dataset_namespace: ${env.NVIDIA_DATASET_NAMESPACE:default}
project_id: ${env.NVIDIA_PROJECT_ID:test-project}
customizer_url: ${env.NVIDIA_CUSTOMIZER_URL:http://nemo.test}
datasetio:
- provider_id: localfs
provider_type: inline::localfs

9
llama_stack/templates/nvidia/run.yaml
View file

@ -5,6 +5,7 @@ apis:
- datasetio
- eval
- inference
- post_training
- safety
- scoring
- telemetry
@ -53,6 +54,14 @@ providers:
type: sqlite
namespace: null
db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/nvidia}/meta_reference_eval.db
post_training:
- provider_id: nvidia
provider_type: remote::nvidia
config:
api_key: ${env.NVIDIA_API_KEY:}
dataset_namespace: ${env.NVIDIA_DATASET_NAMESPACE:default}
project_id: ${env.NVIDIA_PROJECT_ID:test-project}
customizer_url: ${env.NVIDIA_CUSTOMIZER_URL:http://nemo.test}
datasetio:
- provider_id: localfs
provider_type: inline::localfs