Method: Puppet::Type#newattr

Defined in:
lib/puppet/type.rb

#newattr(name) ⇒ Object #newattr(klass) ⇒ Object

Registers an attribute to this resource type instance. Requires either the attribute name or class as its argument. This is a noop if the named property/parameter is not supported by this resource. Otherwise, an attribute instance is created and kept in this resource’s parameters hash.

Overloads:

  • #newattr(name) ⇒ Object

    Parameters:

    • symbolic name of the attribute

  • #newattr(klass) ⇒ Object

    Parameters:

    • a class supported as an attribute class, i.e. a subclass of Parameter or Property

Returns:

  • An instance of the named Parameter or Property class associated to this resource type instance, or nil if the attribute is not supported



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# File 'lib/puppet/type.rb', line 777

def newattr(name)
  if name.is_a?(Class)
    klass = name
    name = klass.name
  end

  klass = self.class.attrclass(name)
  unless klass
    raise Puppet::Error, "Resource type #{self.class.name} does not support parameter #{name}"
  end

  if provider and !provider.class.supports_parameter?(klass)
    missing = klass.required_features.find_all { |f| !provider.class.feature?(f) }
    debug "Provider %s does not support features %s; not managing attribute %s" % [provider.class.name, missing.join(", "), name]
    return nil
  end

  return @parameters[name] if @parameters.include?(name)

  @parameters[name] = klass.new(:resource => self)
end