Puppet Function: to_ruby

Defined in:
lib/puppet/functions/to_ruby.rb
Function type:
Ruby 4.x API

Summary

Convert an object into a String containing its Ruby representation

Overview

to_ruby(Any $object) ⇒ Any

Examples:

how to output Ruby

# output Ruby to a file
$listen = '0.0.0.0'
$port = 8000
file { '/opt/acme/etc/settings.rb':
  content => inline_epp(@("SETTINGS")),
    LISTEN = <%= $listen.to_ruby %>
    PORT = <%= $mailserver.to_ruby %>
    | SETTINGS
}

Parameters:

  • object (Any)

Returns:

  • (Any) 


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# File 'lib/puppet/functions/to_ruby.rb', line 17

Puppet::Functions.create_function(:to_ruby) do
  dispatch :to_ruby do
    param 'Any', :object
  end

  # @param object
  #   The object to be converted
  #
  # @return [String]
  #   The String representation of the object
  def to_ruby(object)
    case object
    when :undef then 'nil'
    when Array then "[#{object.map { |x| to_ruby(x) }.join(', ')}]"
    when Hash then "{#{object.map { |k, v| "#{to_ruby(k)} => #{to_ruby(v)}" }.join(', ')}}"
    else object.inspect
    end
  end
end