lldp.rb

# Cookbook Name:: ohai
# Plugin:: llpd
#
# "THE BEER-WARE LICENSE" (Revision 42):
# <john@dewey.ws> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return John-B Dewey Jr.
#
# renovated a bit by bishopolis@gmail.com, who also enjoys certain beers.
# 

cookbook_name = 'all-base'
recipe_name = 'ohai/lldp'

Ohai.plugin(:Lldp) do

  provides "llpd"

  def hashify h, list
    if list.size == 1
      return list.shift
    end

    key    = list.shift
    h[key] ||= {}
    h[key] = hashify h[key], list
    h
  end

  collect_data(:default) do

    lldp Mash.new

      so = `lldpctl -f keyvalue 2>/dev/null`
      if (res = $?.exitstatus) == 0
        so
          .split("\n")
          .each do |element|

          (key, value) = element.split('=')

          elements = key
            .split('.')[1..-1]
            .push(value)

          hashify(lldp, elements)
        end     # each
      else
        Chef::Log.warn "#{cookbook_name}==#{recipe_name} - bad result from lldpctl run: #{res}"
      end       # if res
  end           # def
end             # plugin-do