Module: Chef::Resource::ActionClass

Defined in:
lib/chef/resource/action_class.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(other) ⇒ Object 



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# File 'lib/chef/resource/action_class.rb', line 63

def self.included(other)
  other.extend(ClassMethods)
  other.use_inline_resources
  other.include_resource_dsl true
end

Instance Method Details

#load_current_resource ⇒ Object

If load_current_value! is defined on the resource, use that.



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# File 'lib/chef/resource/action_class.rb', line 31

def load_current_resource
  if new_resource.respond_to?(:load_current_value!)
    # dup the resource and then reset desired-state properties.
    current_resource = new_resource.dup

    # We clear desired state in the copy, because it is supposed to be actual state.
    # We keep identity properties and non-desired-state, which are assumed to be
    # "control" values like `recurse: true`
    current_resource.class.properties.each do |name, property|
      if property.desired_state? && !property.identity? && !property.name_property?
        property.reset(current_resource)
      end
    end

    # Call the actual load_current_value! method. If it raises
    # CurrentValueDoesNotExist, set current_resource to `nil`.
    begin
      # If the user specifies load_current_value do |desired_resource|, we
      # pass in the desired resource as well as the current one.
      if current_resource.method(:load_current_value!).arity > 0
        current_resource.load_current_value!(new_resource)
      else
        current_resource.load_current_value!
      end
    rescue Chef::Exceptions::CurrentValueDoesNotExist
      current_resource = nil
    end
  end

  @current_resource = current_resource
end

#to_s ⇒ Object 



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# File 'lib/chef/resource/action_class.rb', line 24

def to_s
  "#{new_resource || "<no resource>"} action #{action ? action.inspect : "<no action>"}"
end