modules/puppetmaster/lib/puppet/parser/functions/yamlinfo.rb

   1 module Puppet::Parser::Functions
   2   newfunction(:yamlinfo, :type => :rvalue) do |args|
   3
   4     host = args[0]
   5     yamlfile = args[1]
   6     parser = Puppet::Parser::Parser.new(environment)
   7     parser.watch_file(yamlfile)
   8
   9     read_yaml = lambda { |yaml, host|
  10       results = {}
  11
  12       ['nameinfo', 'footer'].each do |detail|
  13         if yaml.has_key?(detail)
  14           if yaml[detail].has_key?(host)
  15             results[detail] = yaml[detail][host]
  16           end
  17         end
  18       end
  19
  20       if yaml.has_key?('services')
  21         yaml['services'].each_pair do |service, hostlist|
  22           hostlist=[hostlist] unless hostlist.kind_of?(Array)
  23           results[service] = hostlist.include?(host)
  24         end
  25       end
  26
  27       results['mail_port']      = ''
  28       results['smarthost']      = ''
  29       results['heavy_exim']     = ''
  30       results['smarthost_port'] = 587
  31
  32       if yaml['host_settings'].kind_of?(Hash)
  33         yaml['host_settings'].each_pair do |property, values|
  34           if values.kind_of?(Hash)
  35             results[property] = values[host] if values.has_key?(host)
  36           elsif values.kind_of?(Array)
  37             results[property] = values.include?(host)
  38           end
  39         end
  40       end
  41       return(results)
  42     }
  43
  44     require 'yaml'
  45
  46     yaml = YAML.load_file(yamlfile)
  47     ret = {}
  48
  49     if host == '*'
  50       Dir.entries('/var/lib/puppet/yaml/node/').each do |fname|
  51         next unless fname =~ /(.*)\.yaml$/
  52         host_name = $1
  53         ret[host_name] = read_yaml.call(yaml, host_name)
  54       end
  55     else
  56       ret = read_yaml.call(yaml, host)
  57     end
  58
  59     return(ret)
  60   end
  61 end
  62