name: "ssh-setup"
description: "add a private ssh key"
inputs:
  run-as:
    default: root
    description: user to create ssh keys for
    required: false
  ssh-key:
    description: "private ssh key"
    required: true
  add-hosts:
    description: "~/.ssh/known_hosts"
    required: false
runs:
  using: composite
  steps:
    - name: mkdir -p ~/.ssh
      shell: bash
      run: su {{ inputs.run-as }} -c "mkdir -p ~/.ssh"
    - name: add hosts
      shell: bash
      run: su {{ inputs.run-as }} -c "echo \"${{ inputs.add-hosts }}\" | xargs ssh-keyscan > ~/.ssh/known_hosts"
    - name: add ssh key
      shell: bash
      run: |
        su {{ inputs.run-as }} -c "echo \"${{ inputs.ssh-key }}\" | tr -d \"\r\" > ~/.ssh/id_ed25519"
        su {{ inputs.run-as }} -c "chmod -R 600 ~/.ssh"