reusable-make-runner.yml

name: Make Digital Ocean runners

on:
  workflow_call:
    inputs:
      name:
        description: "Droplet name that will be created"
        required: true
        type: string

      image: 
        description: "Droplet image"
        required: false
        default: ubuntu-22-04-x64
        type: string

      region:
        description: "Droplet region" 
        required: false
        default: fra1
        type: string

      size: 
        description: "Droplet size cpu/ram"
        required: false
        default: s-4vcpu-8gb-intel
        type: string
     
    secrets:
      access-token: 
        description: 'A token passed from the caller workflow'
        required: true

      do-access-token:
        description: 'An API token to access DigitalOcean with'
        required: true

jobs:
  spin-up:
    name: Make ${{ inputs.name }}
    runs-on: ubuntu-latest
    outputs: 
      instance-name: ${{ steps.get-name.outputs.name }}

    steps:
    # Install Doctl
    - name: Install doctl
      uses: digitalocean/action-doctl@v2
      with:
        token: ${{ secrets.do-access-token }}

    - name: Get instance name
      id: get-name
      run: echo "name=${{ inputs.name }}" >> $GITHUB_OUTPUT

      # Template for cloud-init install vagrant and virtualbox
    - name: Template out file
      run: |
        cat << EOF > ./user-data
        #!/bin/bash

        #install virtualbox latest version
        apt -y update
        apt -y install jq curl virtualbox
        #install vagrant latest version
        wget -O- https://apt.releases.hashicorp.com/gpg | gpg --dearmor | sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg
        echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
        apt update -y
        apt install vagrant -y

        useradd -m gha-runner
        echo "gha-runner ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers.d/gha-runner
        export RUNNER_CFG_PAT="${{ secrets.access-token }}"
        cd /home/gha-runner
        curl -s https://raw.githubusercontent.com/actions/runner/main/scripts/create-latest-svc.sh | sudo -E -s -u gha-runner bash -s ${{ github.repository }}
        EOF

    # Create the VM
    - name: Create vm for ${{ inputs.name }}
      run: doctl compute droplet create ${{ inputs.name }} --image ${{ inputs.image }} --region ${{ inputs.region }} --size ${{ inputs.size }} --wait --user-data-file ./user-data > /dev/null

    - name: Wait for VM to come online
      run: |
        sleep 30
        for ATTEMPT in {1..10};
        do
          echo "#### Attempt $ATTEMPT ####"
          if curl -s -X GET https://api.github.com/repos/${{ github.repository }}/actions/runners -H "accept: application/json" -H "authorization: token ${{ secrets.access-token }}" | jq -er '.runners[] | select(.name == "${{ inputs.name }}") | has("status")';
          then
            exit 0
          fi
          sleep 30
        done
        exit 1