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Simple Self-Hosted GitHub Actions Runner

No Operator, No CRD, No need to blindly apply a yml to K8s cluster, only a simple self-hosted GitHub Actions Runner that just works!

Images

This repo provides the following images, both are Multi-Arch(amd64/arm64 supported):

  • knatnetwork/github-runner:focal-<tag>
  • ghcr.io/knatnetwork/github-runner:focal-<tag>
  • knatnetwork/github-runner:jammy-<tag>
  • ghcr.io/knatnetwork/github-runner:jammy-<tag>

<tag> is related to the https://github.com/actions/runner/tags, for example, you may expect a image called knatnetwork/github-runner:jammy-2.309.0 when v2.309.0 is released.

Specs

  • github-runner:focal-<tag> images are based on Ubuntu 20.04
  • github-runner:jammy-<tag> images are based on Ubuntu 22.04
  • github-runner:latest images are latest image of github-runner:jammy-<tag>

Usage

  1. Prepare your GitHub Personal Access Token, which looks like ghp_xxxxxxxxxxxxx with admin:org permission(If you'd like to register runner to repo, your user must have Admin permission on the related repo), if you don't know how to do it, you can refer to Creating a personal access token
  2. If you'd like to register runner on a single machine, you can follow the quick start below.
  3. If you need to spread multiple runners on multiple nodes using K8s, please take a look at the documentation.

Docker compose Quick Start

This is a quick start example for people to register a runner on single machine using Docker Compose.

First you need to create a docker-compose.yml file and write the following content.

version: '3'

services:
  runner:
    image: knatnetwork/github-runner:latest
    restart: always
    environment:
      RUNNER_REGISTER_TO: 'knatnetwork'
      RUNNER_LABELS: 'docker,knat'
      KMS_SERVER_ADDR: 'http://kms:3000'
      GOPROXY: 'http://goproxy.knat.network,https://proxy.golang.org,direct'
      ADDITIONAL_FLAGS: '--ephemeral'
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    depends_on:
      - kms

  kms:
    image: knatnetwork/github-runner-kms:latest
    restart: always
    environment:
      PAT_knatnetwork: 'ghp_Lxxxxxxxxxx2NUk5F'
      PAT_rust-lang: 'ghp_Lxxxxxxxxxx2NUk5F'

(If your org's name is org_name, then environment should be PAT_org_name: 'ghp_Lxxxxxxxxxx2NUk5F')

After that you can use docker-compose up -d to start the runner, and now the runner should be registered on knatnetwork Org now.

Notes:

Further Reading

For more instructions, please take a look at the documentation.

License

GPL