Portkey AI Inference Provider Integration

distributions/dependencies.json

@@ -393,5 +393,33 @@
     "uvicorn",
     "sentence-transformers --no-deps",
     "torch --index-url https://download.pytorch.org/whl/cpu"
+  ],
+  "portkey": [
+    "aiosqlite",
+    "blobfile",
+    "portkey-ai",
+    "chardet",
+    "faiss-cpu",
+    "fastapi",
+    "fire",
+    "httpx",
+    "matplotlib",
+    "nltk",
+    "numpy",
+    "opentelemetry-exporter-otlp-proto-http",
+    "opentelemetry-sdk",
+    "pandas",
+    "pillow",
+    "psycopg2-binary",
+    "pypdf",
+    "redis",
+    "scikit-learn",
+    "scipy",
+    "sentencepiece",
+    "tqdm",
+    "transformers",
+    "uvicorn",
+    "sentence-transformers --no-deps",
+    "torch --index-url https://download.pytorch.org/whl/cpu"
   ]
 }

distributions/portkey/build.yaml

@@ -0,0 +1,17 @@
+version: '2'
+name: portkey
+distribution_spec:
+  description: Use Portkey for running LLM inference
+  docker_image: null
+  providers:
+    inference:
+    - remote::portkey
+    safety:
+    - inline::llama-guard
+    memory:
+    - inline::meta-reference
+    agents:
+    - inline::meta-reference
+    telemetry:
+    - inline::meta-reference
+image_type: conda

distributions/portkey/run.yaml

@@ -0,0 +1,77 @@
+version: '2'
+image_name: portkey
+docker_image: null
+conda_env: portkey
+apis:
+- agents
+- inference
+- memory
+- safety
+- telemetry
+providers:
+  inference:
+  - provider_id: portkey
+    provider_type: remote::portkey
+    config:
+      base_url: https://api.portkey.ai
+      api_key: ${env.PORTKEY_API_KEY}
+  - provider_id: sentence-transformers
+    provider_type: inline::sentence-transformers
+    config: {}
+  safety:
+  - provider_id: llama-guard
+    provider_type: inline::llama-guard
+    config: {}
+  memory:
+  - provider_id: meta-reference
+    provider_type: inline::meta-reference
+    config:
+      kvstore:
+        type: sqlite
+        namespace: null
+        db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/portkey}/faiss_store.db
+  agents:
+  - provider_id: meta-reference
+    provider_type: inline::meta-reference
+    config:
+      persistence_store:
+        type: sqlite
+        namespace: null
+        db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/portkey}/agents_store.db
+  telemetry:
+  - provider_id: meta-reference
+    provider_type: inline::meta-reference
+    config:
+      service_name: ${env.OTEL_SERVICE_NAME:llama-stack}
+      sinks: ${env.TELEMETRY_SINKS:console,sqlite}
+      sqlite_db_path: ${env.SQLITE_DB_PATH:~/.llama/distributions/portkey/trace_store.db}
+metadata_store:
+  namespace: null
+  type: sqlite
+  db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/portkey}/registry.db
+models:
+- metadata: {}
+  model_id: meta-llama/Llama-3.1-8B-Instruct
+  provider_id: portkey
+  provider_model_id: llama3.1-8b
+  model_type: llm
+- metadata: {}
+  model_id: meta-llama/Llama-3.3-70B-Instruct
+  provider_id: portkey
+  provider_model_id: llama-3.3-70b
+  model_type: llm
+- metadata:
+    embedding_dimension: 384
+  model_id: all-MiniLM-L6-v2
+  provider_id: sentence-transformers
+  provider_model_id: null
+  model_type: embedding
+shields:
+- params: null
+  shield_id: meta-llama/Llama-Guard-3-8B
+  provider_id: null
+  provider_shield_id: null
+memory_banks: []
+datasets: []
+scoring_fns: []
+eval_tasks: []

llama_stack/providers/remote/inference/portkey/__init__.py

@@ -0,0 +1,16 @@
+
+from .config import PortkeyImplConfig
+
+
+async def get_adapter_impl(config: PortkeyImplConfig, _deps):
+    from .portkey import PortkeyInferenceAdapter
+
+    assert isinstance(
+        config, PortkeyImplConfig
+    ), f"Unexpected config type: {type(config)}"
+
+    impl = PortkeyInferenceAdapter(config)
+
+    await impl.initialize()
+
+    return impl

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

@@ -0,0 +1,40 @@
+# 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.
+
+import os
+from typing import Any, Dict, Optional
+
+from llama_models.schema_utils import json_schema_type
+from pydantic import BaseModel, Field
+
+DEFAULT_BASE_URL = "https://api.portkey.ai/v1"
+
+
+@json_schema_type
+class PortkeyImplConfig(BaseModel):
+    base_url: str = Field(
+        default=os.environ.get("PORTKEY_BASE_URL", DEFAULT_BASE_URL),
+        description="Base URL for the Portkey API",
+    )
+    api_key: Optional[str] = Field(
+        default=os.environ.get("PORTKEY_API_KEY"),
+        description="Portkey API Key",
+    )
+    virtual_key: Optional[str] = Field(
+        default=os.environ.get("PORTKEY_VIRTUAL_KEY"),
+        description="Portkey Virtual Key",
+    )
+    config: Optional[str] = Field(
+        default=os.environ.get("PORTKEY_CONFIG_ID"),
+        description="Portkey Config ID",
+    )
+
+    @classmethod
+    def sample_run_config(cls, **kwargs) -> Dict[str, Any]:
+        return {
+            "base_url": DEFAULT_BASE_URL,
+            "api_key": "${env.PORTKEY_API_KEY}",
+        }

llama_stack/providers/remote/inference/portkey/portkey.py

@@ -0,0 +1,193 @@
+# 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 AsyncGenerator
+
+from portkey_ai import AsyncPortkey
+
+from llama_models.llama3.api.chat_format import ChatFormat
+
+from llama_models.llama3.api.tokenizer import Tokenizer
+
+from llama_stack.apis.inference import *  # noqa: F403
+
+from llama_models.datatypes import CoreModelId
+
+from llama_stack.providers.utils.inference.model_registry import (
+    build_model_alias,
+    ModelRegistryHelper,
+)
+from llama_stack.providers.utils.inference.openai_compat import (
+    get_sampling_options,
+    process_chat_completion_response,
+    process_chat_completion_stream_response,
+    process_completion_response,
+    process_completion_stream_response,
+)
+from llama_stack.providers.utils.inference.prompt_adapter import (
+    chat_completion_request_to_prompt,
+    completion_request_to_prompt,
+)
+
+from .config import PortkeyImplConfig
+
+
+model_aliases = [
+    build_model_alias(
+        "llama3.1-8b",
+        CoreModelId.llama3_1_8b_instruct.value,
+    ),
+    build_model_alias(
+        "llama-3.3-70b",
+        CoreModelId.llama3_3_70b_instruct.value,
+    ),
+    build_model_alias(
+        "llama"
+    )
+]
+
+
+class PortkeyInferenceAdapter(ModelRegistryHelper, Inference):
+    def __init__(self, config: PortkeyImplConfig) -> None:
+        ModelRegistryHelper.__init__(
+            self,
+            model_aliases=model_aliases,
+        )
+        self.config = config
+        self.formatter = ChatFormat(Tokenizer.get_instance())
+
+        self.client = AsyncPortkey(
+            base_url=self.config.base_url, api_key=self.config.api_key
+        )
+
+    async def initialize(self) -> None:
+        return
+
+    async def shutdown(self) -> None:
+        pass
+
+    async def completion(
+        self,
+        model_id: str,
+        content: InterleavedContent,
+        sampling_params: Optional[SamplingParams] = SamplingParams(),
+        response_format: Optional[ResponseFormat] = None,
+        stream: Optional[bool] = False,
+        logprobs: Optional[LogProbConfig] = None,
+    ) -> AsyncGenerator:
+        model = await self.model_store.get_model(model_id)
+        request = CompletionRequest(
+            model=model.provider_resource_id,
+            content=content,
+            sampling_params=sampling_params,
+            response_format=response_format,
+            stream=stream,
+            logprobs=logprobs,
+        )
+        if stream:
+            return self._stream_completion(
+                request,
+            )
+        else:
+            return await self._nonstream_completion(request)
+
+    async def _nonstream_completion(
+        self, request: CompletionRequest
+    ) -> CompletionResponse:
+        params = await self._get_params(request)
+
+        r = await self.client.completions.create(**params)
+
+        return process_completion_response(r, self.formatter)
+
+    async def _stream_completion(self, request: CompletionRequest) -> AsyncGenerator:
+        params = await self._get_params(request)
+
+        stream = await self.client.completions.create(**params)
+
+        async for chunk in process_completion_stream_response(stream, self.formatter):
+            yield chunk
+
+    async def chat_completion(
+        self,
+        model_id: str,
+        messages: List[Message],
+        sampling_params: Optional[SamplingParams] = SamplingParams(),
+        tools: Optional[List[ToolDefinition]] = None,
+        tool_choice: Optional[ToolChoice] = ToolChoice.auto,
+        tool_prompt_format: Optional[ToolPromptFormat] = ToolPromptFormat.json,
+        response_format: Optional[ResponseFormat] = None,
+        stream: Optional[bool] = False,
+        logprobs: Optional[LogProbConfig] = None,
+    ) -> AsyncGenerator:
+        model = await self.model_store.get_model(model_id)
+        request = ChatCompletionRequest(
+            model=model.provider_resource_id,
+            messages=messages,
+            sampling_params=sampling_params,
+            tools=tools or [],
+            tool_choice=tool_choice,
+            tool_prompt_format=tool_prompt_format,
+            response_format=response_format,
+            stream=stream,
+            logprobs=logprobs,
+        )
+
+        if stream:
+            return self._stream_chat_completion(request)
+        else:
+            return await self._nonstream_chat_completion(request)
+
+    async def _nonstream_chat_completion(
+        self, request: CompletionRequest
+    ) -> CompletionResponse:
+        params = await self._get_params(request)
+
+        r = await self.client.completions.create(**params)
+
+        return process_chat_completion_response(r, self.formatter)
+
+    async def _stream_chat_completion(
+        self, request: CompletionRequest
+    ) -> AsyncGenerator:
+        params = await self._get_params(request)
+
+        stream = await self.client.completions.create(**params)
+
+        async for chunk in process_chat_completion_stream_response(
+            stream, self.formatter
+        ):
+            yield chunk
+
+    async def _get_params(
+        self, request: Union[ChatCompletionRequest, CompletionRequest]
+    ) -> dict:
+        if request.sampling_params and request.sampling_params.top_k:
+            raise ValueError("`top_k` not supported by Portkey")
+
+        prompt = ""
+        if isinstance(request, ChatCompletionRequest):
+            prompt = await chat_completion_request_to_prompt(
+                request, self.get_llama_model(request.model), self.formatter
+            )
+        elif isinstance(request, CompletionRequest):
+            prompt = await completion_request_to_prompt(request, self.formatter)
+        else:
+            raise ValueError(f"Unknown request type {type(request)}")
+
+        return {
+            "model": request.model,
+            "prompt": prompt,
+            "stream": request.stream,
+            **get_sampling_options(request.sampling_params),
+        }
+
+    # async def embeddings(
+    #     self,
+    #     model_id: str,
+    #     contents: List[InterleavedContent],
+    # ) -> EmbeddingsResponse:
+    #     raise NotImplementedError()