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

   1 module Puppet::Parser::Functions
   2   newfunction(:nodeinfo, :type => :rvalue) do |args|
   3     require 'ipaddr'
   4
   5     host = args[0]
   6     yamlfile = args[1]
   7     begin
   8       nodeinfo         = function_yamlinfo([host, yamlfile])
   9       nodeinfo['ldap'] = function_ldapinfo([host, '*'])
  10       unless nodeinfo['ldap']['ipHostNumber']
  11         raise Puppet::ParseError, "Host #{host} does not have ipHostNumber values in ldap"
  12       end
  13       nodeinfo['hoster'] = function_whohosts([nodeinfo['ldap']['ipHostNumber']])
  14       nodeinfo['buildd'] = (nodeinfo['ldap']['purpose'].respond_to?('include?') && nodeinfo['ldap']['purpose'].include?('buildd'))
  15       nodeinfo['timeserver'] = (nodeinfo['ldap']['purpose'].respond_to?('include?') && nodeinfo['ldap']['purpose'].include?('timeserver'))
  16       nodeinfo['porterbox'] = (nodeinfo['ldap']['purpose'].respond_to?('include?') && nodeinfo['ldap']['purpose'].include?('porterbox'))
  17       nodeinfo['ganeti'] = (nodeinfo['ldap']['purpose'].respond_to?('include?') && nodeinfo['ldap']['purpose'].include?('ganeti/kvm host'))
  18
  19       if lookupvar('::mta') == 'exim4'
  20         unless nodeinfo['heavy_exim']
  21           nodeinfo['smarthost'] = 'mailout.debian.org'
  22         end
  23       elsif lookupvar('::mta') == 'postfix'
  24         unless nodeinfo['heavy_postfix']
  25           nodeinfo['smarthost'] = 'mailout.debian.org'
  26         end
  27       end
  28
  29       nodeinfo['misc'] = {}
  30       fqdn = lookupvar('::fqdn')
  31       if fqdn and fqdn == host
  32         v4ips = lookupvar('::v4ips')
  33         if v4ips and v4ips.to_s != "" and v4ips.to_s != 'undefined'
  34           nodeinfo['misc']['v4addrs'] = v4ips.split(',').uniq()
  35
  36           # find out if we are behind nat
  37           intersection = nodeinfo['misc']['v4addrs'] & nodeinfo['ldap']['ipHostNumber']
  38           nodeinfo['misc']['natted'] = intersection.empty?
  39         else
  40           nodeinfo['misc']['v4addrs'] = []
  41         end
  42
  43         v6ips = lookupvar('::v6ips')
  44         if v6ips and v6ips.to_s != "" and v6ips.to_s != 'undefined'
  45           nodeinfo['misc']['v6addrs'] = v6ips.split(',').uniq()
  46         else
  47           nodeinfo['misc']['v6addrs'] = []
  48         end
  49
  50         # find out if we have an ipv4 and/or an ipv6 address for our host in ldap.
  51         nodeinfo['misc']['has_v4_ldap'] = nodeinfo['ldap']['ipHostNumber'].any? { |x| IPAddr.new(x).ipv4? }
  52         nodeinfo['misc']['has_v6_ldap'] = nodeinfo['ldap']['ipHostNumber'].any? { |x| IPAddr.new(x).ipv6? }
  53         nodeinfo['misc']['v4_ldap'] = nodeinfo['ldap']['ipHostNumber'].select { |x| IPAddr.new(x).ipv4? }
  54         nodeinfo['misc']['v6_ldap'] = nodeinfo['ldap']['ipHostNumber'].select { |x| IPAddr.new(x).ipv6? }
  55       end
  56
  57       ns = call_function('hiera',['nameservers'])
  58       allow_dns_q = call_function('hiera',['allow_dns_query'])
  59       if ns.empty?
  60         # no nameservers known for this hoster
  61         nodeinfo['misc']['resolver-recursive'] = true
  62
  63         if not allow_dns_q.empty?
  64           raise Puppet::ParseError, "No nameservers listed for #{nodeinfo['hoster']['name']} yet we should answer somebody's queries?  That makes no sense.  allow_dns_q: #{allow_dns_q}."
  65         end
  66       elsif (nodeinfo['misc']['v4addrs'] and (ns & nodeinfo['misc']['v4addrs']).size > 0) or
  67             (nodeinfo['misc']['v6addrs'] and (ns & nodeinfo['misc']['v6addrs']).size > 0)
  68         # this host is listed as a nameserver at this location
  69         nodeinfo['misc']['resolver-recursive'] = true
  70
  71         if allow_dns_q.empty?
  72           raise Puppet::ParseError, "Host #{host} is listed as a nameserver for #{nodeinfo['hoster']['name']} but no allow_dns_query networks are defined for this location"
  73         end
  74       else
  75         nodeinfo['misc']['resolver-recursive'] = false
  76       end
  77
  78       return(nodeinfo)
  79     rescue => e
  80       raise Puppet::ParseError, "Error in nodeinfo for node #{host}, yamlfile #{yamlfile}: #{e.message}\n#{e.backtrace}"
  81     end
  82   end
  83 end
  84
  85 # vim: set fdm=marker ts=2 sw=2 et: