#
# Cookbook:: kosmos_gitea
# Recipe:: act_runner
#

working_directory = node["gitea"]["working_directory"]
gitea_credentials = data_bag_item("credentials", "gitea")
runners           = gitea_credentials["runners"]

begin
  gitea_host = search(:node, "role:gitea").first["knife_zero"]["host"]
rescue
  Chef::Log.warn('No server with "gitea" role. Stopping here.')
  return
end

apt_repository 'docker' do
  uri 'https://download.docker.com/linux/ubuntu'
  key 'https://download.docker.com/linux/ubuntu/gpg'
  components ['stable']
end

%w[
  docker-ce
  docker-ce-cli
  containerd.io
  docker-buildx-plugin
].each do |apt_pkg|
  package apt_pkg
end

remote_file "/usr/local/bin/act_runner" do
  source node["gitea"]["act_runner"]["download_url"]
  checksum node["gitea"]["act_runner"]["checksum"]
  mode "0750"
end

directory "#{working_directory}/runners" do
  mode  "0700"
end

runners.each do |runner|
  runner_name = "gitea-runner-#{runner["org"]}"
  runner_dir = "#{working_directory}/runners/#{runner["org"]}"

  directory runner_dir do
    mode  "0700"
  end

  bash "register_#{runner["org"]}_runner" do
    cwd runner_dir
    code <<-EOF
act_runner register \
  --no-interactive \
  --instance http://#{gitea_host}:#{node["gitea"]["port"]} \
  --name #{runner_name} \
  --token #{runner["token"]}
    EOF
    not_if { File.exist?("#{runner_dir}/.runner") }
  end

  systemd_unit "#{runner_name}.service" do
    content({
      Unit: {
        Description: "Gitea Actions Runner for '#{runner["org"]}' org",
        Documentation: ["https://gitea.com/gitea/act_runner"],
        Requires: "gitea.service",
        After: "syslog.target network.target"
      },
      Service: {
        Type: "simple",
        WorkingDirectory: runner_dir,
        Environment: "HOME=/root",
        ExecStart: "/usr/local/bin/act_runner daemon",
        Restart: "always",
      },
      Install: {
        WantedBy: "multi-user.target"
      }
    })
    verify false
    triggers_reload true
    action [:create]
  end

  service runner_name do
    action [:enable, :start]
  end
end