lib_erb_compile.rb

require 'ostruct'

module ErbCompile

  def erb_compile(atr)
    case
      when atr.kind_of?(Hash), atr.kind_of?(Array) # Chef::Node::ImmutableArray
        JSON.parse erb_compile(JSON.generate(JSON.parse(atr.to_json)))
      when atr.kind_of?(String)
        values = OpenStruct.new({:node => self.node})
        ERB.new(atr).result(values.instance_eval{ binding })
      when atr.kind_of?(Integer), atr.kind_of?(Float), atr.kind_of?(TrueClass), atr.kind_of?(FalseClass), atr.kind_of?(NilClass)
        atr
      else
        raise "[ErbCompile::erb_compile] #{atr.class} not supported yet"
    end
  end

end

[ Chef::Recipe, Chef::Mixin::Template::TemplateContext ].each do |klass|
  klass.send(:include, ErbCompile) unless klass.respond_to?('erb_compile')
end