gistfile1.txt

# Support whyrun
def whyrun_supported?
  true
end

action :create do
  if @current_resource.exists
    Chef::Log.info "#{ @current_resource } already exists - nothing to do."
  else
    converge_by("Create #{ @current_resource }") do
      create_user
    end
  end
end

def create_user
  user current_resource.name do
    comment current_resource.comment
    supports manage_home: true
    ignore_failure true
  end

....

recipe

  my_lwrp 'eng' do
    comment user[:comment]
    ssh_keys user[:ssh_keys]
  end