mb_recipe :unicorn do

during :provision, %w(systemd config_rb)
during "deploy:start", "start"
during "deploy:stop", "stop"
during "deploy:restart", "restart"
during "deploy:publishing", "restart"

end

namespace :mb do

namespace :unicorn do
  desc "Install unicorn systemd config"
  task :systemd do
    privileged_on roles(:app) do |host, user|
      unicorn_user = fetch(:mb_unicorn_user) || user

      template "unicorn.service.erb",
               "/etc/systemd/system/unicorn_#{application_basename}.service",
               :mode => "a+rx",
               :binding => binding,
               :sudo => true

      execute :sudo, "systemctl daemon-reload"
      execute :sudo, "systemctl enable unicorn_#{application_basename}.service"

      unless test(:sudo, "grep -qs unicorn_#{application_basename}.service /etc/sudoers.d/#{user}")
        execute :sudo, "touch -f /etc/sudoers.d/#{user}"
        execute :sudo, "chmod u+w /etc/sudoers.d/#{user}"
        execute :sudo, "echo '#{user} ALL=NOPASSWD: /bin/systemctl start unicorn_#{application_basename}.service' | sudo tee -a /etc/sudoers.d/#{user}"
        execute :sudo, "echo '#{user} ALL=NOPASSWD: /bin/systemctl stop unicorn_#{application_basename}.service' | sudo tee -a /etc/sudoers.d/#{user}"
        execute :sudo, "echo '#{user} ALL=NOPASSWD: /bin/systemctl restart unicorn_#{application_basename}.service' | sudo tee -a /etc/sudoers.d/#{user}"
        execute :sudo, "chmod 440 /etc/sudoers.d/#{user}"
      end
    end
  end

  desc "Create config/unicorn.rb"
  task :config_rb do
    on release_roles(:all) do
      template "unicorn.rb.erb", "#{shared_path}/config/unicorn.rb"
    end
  end

  %w[start stop restart].each do |command|
    desc "#{command} unicorn"
    task command do
      on roles(:app) do
        execute :sudo, "systemctl #{command} unicorn_#{application_basename}.service"
      end
    end
  end
end

end