actions/hetzner/action.yml

name: "Enable Hetzner VMs"
author: "Igor Pecovnik"
inputs:
  action-type:
    required: true
  machine-type:
    required: true
  machine-id:
    required: false
  machine-count:
    required: true
  runners-count:
    required: true
  key:
    required: true
  known_hosts:
    required: true
  hetzner_id:
    required: true
  github_token:
    required: true

concurrency:
  cancel-in-progress: false

runs:  
  using: "composite"
  steps:

    - name: Install SSH key for storage
      if: ${{ github.repository_owner == 'Armbian' }}
      uses: shimataro/ssh-key-action@v2
      with:
        key: ${{ inputs.key }}
        known_hosts: ${{ inputs.known_hosts }}
        if_key_exists: replace

    - name: Install Homebrew
      if: ${{ github.repository_owner == 'Armbian' }}
      shell: bash
      run: |

        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
        (echo; echo 'eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"') >> ${HOME}/.bash_profile

    - name: Install CLI for Hetzner Cloud
      if: ${{ github.repository_owner == 'Armbian' }}
      shell: bash
      env:
        HCLOUD_TOKEN: ${{ inputs.hetzner_id }}
      run: |

        eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
        brew install hcloud
        hcloud server list

    - name: "Kill runners"
      if: ${{ github.repository_owner == 'Armbian' && inputs.action-type == 'enable' }}
      env:
        HCLOUD_TOKEN: ${{ inputs.hetzner_id }}
        HOMEBREW_NO_AUTO_UPDATE: 1
        HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS: 3650
      shell: bash
      run: |

        eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
        machinenames=("Faerie" "November" "Raven" "Hammer" "Foxtrot" "Papa" "Chimera" "Panther")
        machinename="${machinenames[${{ inputs.machine-id }}]}"
        machinenameid=$(hcloud server list --output columns=id,name | grep ${machinename} | cut -d" " -f1 || true)
        [[ -n "${machinenameid}" ]] && hcloud server delete "${machinenameid}" || true

    - name: "Kill runners"
      if: ${{ github.repository_owner == 'Armbian' && inputs.action-type == 'disable' }}
      env:
        HCLOUD_TOKEN: ${{ inputs.hetzner_id }}
        HOMEBREW_NO_AUTO_UPDATE: 1
        HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS: 3650
      shell: bash
      run: |

        eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
        # we will set fixed number and fixed machine names        
        machinenames=("Faerie" "November" "Raven" "Hammer" "Foxtrot" "Papa" "Chimera" "Panther")
        for machinename in "${machinenames[@]}"
        do
          machinenameid=$(hcloud server list --output columns=id,name | grep ${machinename} | cut -d" " -f1 || true)
          [[ -n "${machinenameid}" ]] && hcloud server delete "${machinenameid}" || true
        done

    - name: "Deploy runners"
      if: ${{ inputs.action-type == 'enable' }}
      env:
        HCLOUD_TOKEN: ${{ inputs.hetzner_id }}        
        GH_TOKEN: ${{ inputs.github_token }}
        HOMEBREW_NO_AUTO_UPDATE: 1
        HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS: 3650
      shell: bash
      run: |

        eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
        machinenames=("Faerie" "November" "Raven" "Hammer" "Foxtrot" "Papa" "Chimera" "Panther")
        machinename="${machinenames[${{ inputs.machine-id }}]}"
        echo -e '#!/bin/bash\n\
        export STOP=${{ inputs.runners-count}} NAME=${machinename} GH_TOKEN=${{ env.GH_TOKEN }}\n\
        git clone https://github.com/armbian/scripts\ncd scripts/generate-runners\n\
        ./deploy.sh" | \
        hcloud server create --name ${machinename} --image ubuntu-22.04 --type ${{ inputs.machine-type }} --ssh-key TORRENT --user-data-from-file -
        
    - name: Remove runners
      if: ${{ inputs.action-type == 'disable' }}
      env:
        GH_TOKEN: ${{ inputs.github_token }}
      shell: bash
      run: |

        # make sure all are down
        sleep 60

        RUNNERS=$(gh api \
        -H "Accept: application/vnd.github+json" \
        -H "X-GitHub-Api-Version: 2022-11-28" \
        "/repos/armbian/os/actions/runners?per_page=1000" | \
        jq -r '.runners[] | select(.labels[].name=="temp")' | jq '.id')