#Rebuild hosts file from knife node list,
require 'erb'
require 'json'
require 'ohai' #to find my own IP

def myaddress
  thissys=Ohai::System.new
	thissys.all_plugins
	myip=thissys['cloud']['private_ips'][0]
	return myip
end

#This is called in the template file by erb
def findremoteip(name=nil)
	return "#No such name" if name.nil?
	svrname=name+'.somedomain.com'
	nodes.search("name:#{svrname}") do |thisnode|
		return "#{thisnode['cloud']['private_ips'][0]} #{name} #{svrname}" if thisnode['fqdn']==svrname	
	end
	return "# No nodes entry for "+svrname
end

template='/etc/hosts.erb'
#These are used in the template.
scriptname="#{$0} #{$1}"
myip_ohai=myaddress
abort "Could not find my IP?" if myip_ohai.nil?

erb=ERB.new File.new(template).read,nil, '<>'
puts erb.result(binding)