miah/logstash no method error

attributes.rb

set['logstash']['service_options']['url'] = "http://ops.evertrue.com.s3.amazonaws.com/pkgs/logstash-1.1.13-flatjar.jar"
set['logstash']['service_options']['checksum'] = "5ba0639ff4da064c2a4f6a04bd7006b1997a6573859d3691e210b6855e1e47f1"
set['logstash']['service_options']['version'] = "1.1.13-flatjar"
set['logstash']['service_options']['service_type'] = "runit"
set["logstash"]["shipper"]["redis_hosts"] = [ "127.0.0.1" ]

metadata.rb

# irrelevant stuff removed...

depends 'redis'
depends 'kibana'
depends 'elasticsearch'
depends 'logstash'

recipe.rb

include_recipe "redis::server"
include_recipe "elasticsearch"
include_recipe "kibana"
include_recipe "runit"
include_recipe "java::openjdk"

%w{
  shipper
  indexer
}.each do |instance_name|
  logstash_instance instance_name do
    url      node.logstash.service_options[:url]
    checksum node.logstash.service_options[:checksum]
    version  node.logstash.service_options[:version]
    service_type node.logstash.service_options[:service_type]
    action [:create,:enable]
  end
end

# Shipper

logstash_config 'syslog_file_input' do
  instance "shipper"
  plugin "file"
  plugin_type "input"
  plugin_config({
    type => "syslog",
    path => ["/var/log/rsyslog/for_logstash.log"],
    start_postion => "beginning"
  })
end

logstash_config "redis_output" do
  instance "shipper"
  plugin "redis"
  plugin_type "output"
  plugin_config({
    host => [ node["logstash"]["shipper"]["redis_hosts"] ],
    data_type => "list",
    key => "logstash",
    batch => true
  })
end