Utility script to generate a docker-compose.yml for multiple GitHub self-hosted runners

generate_runners.py

#!/usr/bin/env python3

import json

service_block = """
  worker_{org_clean}_{name_clean}:
    image: myoung34/github-runner
    restart: unless-stopped
    environment:
      REPO_URL: https://github.com/{org}/{name}
      RUNNER_NAME: oracle_{org_clean}_{name_clean}
      RUNNER_TOKEN: {token}
      RUNNER_WORKDIR: /tmp/runner_{org_clean}_{name_clean}/work
      CONFIGURED_ACTIONS_RUNNER_FILES_DIR: /conf
      LABELS: linux,arm64,oracle
    security_opt:
      - label:disable
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - ./data/{org_clean}_{name_clean}:/conf
      - /tmp/runner_{org_clean}_{name_clean}:/tmp/runner_{org_clean}_{name_clean}
"""

with open('repos.json', 'r') as f:
  repos = json.load(f)


docker_compose = 'services:'

for repo in repos:
  assert len(repo.get('org', '')) > 0
  assert len(repo.get('name', '')) > 0
  assert len(repo.get('token', '')) > 0

  print(f'Repository {repo["org"]}/{repo["name"]}: {repo["token"]}')

  docker_compose += service_block.format(
    org=repo['org'],
    org_clean=repo['org'].lower(),
    name=repo['name'],
    name_clean=repo['name'].lower(),
    token=repo['token']
  )

with open('docker-compose.yml', 'w') as f:
  f.write(docker_compose)

repos.json

[
  {
    "org": "aaaaa",
    "name": "bbbbb",
    "token": "XXXXXXXXXXXXXXX"
  }
]