Sambanova inference provider (#555)

# What does this PR do?

This PR adds SambaNova as one of the Provider

- Add SambaNova as a provider

## Test Plan
Test the functional command
```
pytest -s -v --providers inference=sambanova llama_stack/providers/tests/inference/test_embeddings.py llama_stack/providers/tests/inference/test_prompt_adapter.py llama_stack/providers/tests/inference/test_text_inference.py llama_stack/providers/tests/inference/test_vision_inference.py --env SAMBANOVA_API_KEY=<sambanova-api-key>
```

Test the distribution template:
```
# Docker
LLAMA_STACK_PORT=5001
docker run -it -p $LLAMA_STACK_PORT:$LLAMA_STACK_PORT \
  llamastack/distribution-sambanova \
  --port $LLAMA_STACK_PORT \
  --env SAMBANOVA_API_KEY=$SAMBANOVA_API_KEY

# Conda
llama stack build --template sambanova --image-type conda
llama stack run ./run.yaml \
  --port $LLAMA_STACK_PORT \
  --env SAMBANOVA_API_KEY=$SAMBANOVA_API_KEY
```

## Source
[SambaNova API Documentation](https://cloud.sambanova.ai/apis)

## Before submitting

- [ ] This PR fixes a typo or improves the docs (you can dismiss the
other checks if that's the case).
- [Y] Ran pre-commit to handle lint / formatting issues.
- [Y] Read the [contributor
guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
      Pull Request section?
- [Y] Updated relevant documentation.
- [Y ] Wrote necessary unit or integration tests.

---------

Co-authored-by: Ashwin Bharambe <ashwin.bharambe@gmail.com>

docs/source/concepts/index.md

@@ -24,7 +24,7 @@ We are working on adding a few more APIs to complete the application lifecycle.
 ## API Providers
 
 The goal of Llama Stack is to build an ecosystem where users can easily swap out different implementations for the same API. Obvious examples for these include
-- LLM inference providers (e.g., Fireworks, Together, AWS Bedrock, etc.),
+- LLM inference providers (e.g., Fireworks, Together, AWS Bedrock, SambaNova, etc.),
 - Vector databases (e.g., ChromaDB, Weaviate, Qdrant, etc.),
 - Safety providers (e.g., Meta's Llama Guard, AWS Bedrock Guardrails, etc.)
 

docs/source/distributions/self_hosted_distro/sambanova.md

@@ -0,0 +1,74 @@
+---
+orphan: true
+---
+# SambaNova Distribution
+
+```{toctree}
+:maxdepth: 2
+:hidden:
+
+self
+```
+
+The `llamastack/distribution-sambanova` distribution consists of the following provider configurations.
+
+| API | Provider(s) |
+|-----|-------------|
+| agents | `inline::meta-reference` |
+| inference | `remote::sambanova` |
+| memory | `inline::faiss`, `remote::chromadb`, `remote::pgvector` |
+| safety | `inline::llama-guard` |
+| telemetry | `inline::meta-reference` |
+
+
+### Environment Variables
+
+The following environment variables can be configured:
+
+- `LLAMASTACK_PORT`: Port for the Llama Stack distribution server (default: `5001`)
+- `SAMBANOVA_API_KEY`: SambaNova.AI API Key (default: ``)
+
+### Models
+
+The following models are available by default:
+
+- `meta-llama/Llama-3.1-8B-Instruct`
+- `meta-llama/Llama-3.1-70B-Instruct`
+- `meta-llama/Llama-3.1-405B-Instruct`
+- `meta-llama/Llama-3.2-1B-Instruct`
+- `meta-llama/Llama-3.2-3B-Instruct`
+- `meta-llama/Llama-3.2-11B-Vision-Instruct`
+- `meta-llama/Llama-3.2-90B-Vision-Instruct`
+
+
+### Prerequisite: API Keys
+
+Make sure you have access to a SambaNova API Key. You can get one by visiting [SambaBova.ai](https://sambanova.ai/).
+
+
+## Running Llama Stack with SambaNova
+
+You can do this via Conda (build code) or Docker which has a pre-built image.
+
+### Via Docker
+
+This method allows you to get started quickly without having to build the distribution code.
+
+```bash
+LLAMA_STACK_PORT=5001
+docker run \
+  -it \
+  -p $LLAMA_STACK_PORT:$LLAMA_STACK_PORT \
+  llamastack/distribution-sambanova \
+  --port $LLAMA_STACK_PORT \
+  --env SAMBANOVA_API_KEY=$SAMBANOVA_API_KEY
+```
+
+### Via Conda
+
+```bash
+llama stack build --template sambanova --image-type conda
+llama stack run ./run.yaml \
+  --port $LLAMA_STACK_PORT \
+  --env SAMBANOVA_API_KEY=$SAMBANOVA_API_KEY
+```

docs/source/index.md

@@ -40,6 +40,7 @@ A number of "adapters" are available for some popular Inference and Memory (Vect
 |  Fireworks  |  Hosted  | Y  | Y  |  Y  |    |   |
 |  AWS Bedrock  |  Hosted  |    |  Y  |    | Y  | |
 |  Together  |  Hosted  |  Y  |  Y  |   | Y  |  |
+|  SambaNova  |  Hosted  |    |  Y  |   |   |  |
 |  Ollama  | Single Node   |    |  Y  |    |   |
 |  TGI  |  Hosted and Single Node  |    |  Y  |    |   |
 |  NVIDIA NIM  |  Hosted and Single Node  |    |  Y  |    |   |