node recipe

node.rb

app = node.run_state[:current_app]

directory app['deploy_to'] do
  owner app['owner']
  group app['group']
  mode '0755'
  recursive true
end


if app['packages']
  app['packages'].each do |pkg,ver|
    execute "npm" do
      user app['owner']
      group app['group']
      cwd "#{app['deploy_to']}"
      command "npm install #{pkg}"
    end 
  end
end


directory "#{app['deploy_to']}/shared" do
  owner app['owner']
  group app['group']
  mode '0755'
  recursive true
end


if app.has_key?("deploy_key")
  ruby_block "write_key" do
    block do
      f = ::File.open("#{app['deploy_to']}/id_deploy", "w")
      f.print(app["deploy_key"])
      f.close
    end
    not_if do ::File.exists?("#{app['deploy_to']}/id_deploy"); end
  end

  file "#{app['deploy_to']}/id_deploy" do
    owner app['owner']
    group app['group']
    mode '0600'
  end

  template "#{app['deploy_to']}/deploy-ssh-wrapper" do
    source "deploy-ssh-wrapper.erb"
    owner app['owner']
    group app['group']
    mode "0755"
    variables app.to_hash
  end
end

## Then, deploy
deploy_revision app['id'] do
  revision app['revision'][node.chef_environment]
  repository app['repository']
  user app['owner']
  group app['group']
  deploy_to app['deploy_to']
  action app['force'][node.chef_environment] ? :force_deploy : :deploy
  ssh_wrapper "#{app['deploy_to']}/deploy-ssh-wrapper" if app['deploy_key']
  shallow_clone true
end