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An Envoy inspired, ultimate LLM-first gateway for LLM serving and downstream application developers and enterprises

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knoway

An Envoy inspired, ultimate LLM-first gateway for LLM serving and downstream application developers and enterprises

Description

Lite and easy dedicated Gateway with various of LLM specific optimizations and features. You can think of it as Nginx, but for LLMs, and upcoming supported models (such as Stable Diffusion, etc.).

Features

  • 💬 LLM-first: Designed for LLMs, with optimizations and features that are specific to LLMs.
  • 🕸️ Envoy Inspired: Inspired by Envoy, similar architecture and features, if you are already familiar with Envoy, you will find it easy to use and understand this codebase.
  • 💻 Single command deployment: Deploy the gateway with a single command, just like nginx -c nginx.conf.
  • 🚢 Kubernetes Native: CRDs, control plane side implementations are batteries included, helm install knoway and you are ready to go.

Some of the LLMs specific optimizations and features include:

  • 👷 Serverless boot loader: Able to boot up the upstream Pod of serving services on-demand, make LLM serving more cost-effective.
  • Fault tolerance: Fault tolerance for LLMs, with the ability to retry, circuit breaking, etc. when dealing with external providers.
  • 🚥 Rate limiting: Rate limiting based on tokens, prompts, etc., to protect the LLMs serving services from being abused.
  • 📚 Semantic Cache: Cache based on the semantics of the prompts and tokens, CDN of the LLMs.
  • 📖 Semantic Route: Route based on the difficulties, semantic meaning of prompts, etc., to make the LLMs serving services more efficient with right models.
  • 🔍 OpenTelemetry: OpenTelemetry support, with the ability to trace the calls to LLMs, and the gateway itself.

Getting Started

Prerequisites

  • go version v1.22.0+
  • docker version 17.03+.
  • kubectl version v1.11.3+.
  • Access to a Kubernetes v1.11.3+ cluster.

To Deploy on the cluster

Build and push your image to the location specified by IMG:

make docker-build docker-push IMG=<some-registry>/knoway:tag

Warning

This image ought to be published in the personal registry you specified. And it is required to have access to pull the image from the working environment. Make sure you have the proper permission to the registry if the above commands don’t work.

Install the CRDs into the cluster:

make install

Deploy the Manager to the cluster with the image specified by IMG:

make deploy IMG=<some-registry>/knoway:tag

Note

If you encounter RBAC errors, you may need to grant yourself cluster-admin privileges or be logged in as admin.

Create instances of your solution

You can apply the samples (examples) from the config/sample:

kubectl apply -k config/samples/

Note

Ensure that the samples has default values to test it out.

To Uninstall

Delete the instances (CRs) from the cluster:

kubectl delete -k config/samples/

Delete the APIs(CRDs) from the cluster:

make uninstall

UnDeploy the controller from the cluster:

make undeploy

Project Distribution

Following are the steps to build the installer and distribute this project to users.

  1. Build the installer for the image built and published in the registry:
make build-installer IMG=<some-registry>/knoway:tag

NOTE: The makefile target mentioned above generates an 'install.yaml' file in the dist directory. This file contains all the resources built with Kustomize, which are necessary to install this project without its dependencies.

  1. Using the installer

Users can just run kubectl apply -f to install the project, i.e.:

kubectl apply -f https://raw.githubusercontent.com/<org>/knoway/<tag or branch>/dist/install.yaml

Contributing

Note

Run make help for more information on all potential make targets

More information can be found via the Kubebuilder Documentation

License

Copyright 2024.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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