default.rb

#
# Author:: Bryan McLellan <btm@loftninjas.org>
# Cookbook Name:: search
# Recipe:: default
#
# Copyright 2009, Bryan McLellan
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

hosts = search(:node, "*").map { |host| {
    "hostname" => host["hostname"],
    "fqdn" => host["fqdn"],
    "domain" => host["domain"],
    "ipaddress" => host["ipaddress"],
    "lsb" => {
      "id" => host["lsb_id"],
      "description" => host["lsb_description"],
    }
  }
}

template "/tmp/foo" do
  source "foo.erb"
  mode 0644
  owner "root"
  group "root"
  variables :hosts => hosts
end

foo.erb

# Chef test

<% @hosts.each do |host| -%>
  <%= host["hostname"] %>
    <%= host["ipaddress"] %>
    <%= host["lsb"]["id"] %>
<% end -%>

gistfile3.txt

$ cat /tmp/foo
# Chef test
 
  ubuntu804vm
    10.13.37.116
    Ubuntu
  ubuntu2vm
    10.13.37.117
    Ubuntu
  centos1vm
    10.13.37.120
    
  ops1vm
    10.13.37.111
    Ubuntu