Logstash as a chef handler

attributes.rb

default['chef_client']['handler']['gelf']['host'] = '<hostname/ip>'
default['chef_client']['handler']['gelf']['port'] = 12201
default['chef_client']['handler']['gelf']['report_host'] = node['hostname']

gelf.conf

input {
    gelf {
        format => "json_event"
        type => "chef"
    }
}

recipe.rb

include_recipe 'gelf_handler'

redis.conf

output {
    redis {
        key => "logstash"
        data_type => "list"
    }
}