DATA BAG

DATA BAG(we have data bags for 3 data centers):
{"id":"denver", 
	"hosts":[
	{"host":"tick.clocks.com", "ip":"1.2.3.1", "aliases":["tick"], "comment":"NTP Host"},
	{"host":"tock.clocks.com", "ip":"1.2.3.4", "aliases":["tock","ntp2.clocks.com"], "comment":"NTP Host"}
	]
}

ntp recipe

ntphosts = search("ntp", "id:#{node.location}")

### Manage the host entries first
ntphosts.each do |databagitem|
  databagitem["hosts"].each do |host|
    Chef::Log.debug("ntp::default: configuring ntp host #{host}")
    hosts_entry host["host"] do
        ip      host["ip"]
        aliases host["aliases"]
        comment host["comment"]
    end
  end
end


service "ntpd" do
    supports [ :restart, :status, :stop, :condrestart, :start ]
    action [ :enable ]
end


template "/etc/ntp.conf" do
    source "ntp.conf.erb"
    owner "root"
    group "root"
    mode 0644
    variables(:ntphosts => ntphosts )
    notifies :restart, resources("service[ntpd]")
end

template

TEMPLATE:
<% @ntphosts.each do |databagitem| %>
  <% databagitem["hosts"].each do |host| %>
server <%= host["host"] %>
<% end %>
<% end %>