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['timeserver'] = (nodeinfo['ldap']['purpose'].respond_to?('include?') && nodeinfo['ldap']['purpose'].include?('timeserver'))
  15       nodeinfo['ganeti'] = (nodeinfo['ldap']['purpose'].respond_to?('include?') && nodeinfo['ldap']['purpose'].include?('ganeti/kvm host'))
  16
  17       if lookupvar('::mta') == 'exim4'
  18         unless nodeinfo['heavy_exim']
  19           nodeinfo['smarthost'] = 'mailout.debian.org'
  20         end
  21       elsif lookupvar('::mta') == 'postfix'
  22         unless nodeinfo['heavy_postfix']
  23           nodeinfo['smarthost'] = 'mailout.debian.org'
  24         end
  25       end
  26
  27       nodeinfo['misc'] = {}
  28       fqdn = lookupvar('::fqdn')
  29       if fqdn and fqdn == host
  30         v4ips = lookupvar('::v4ips')
  31         if v4ips and v4ips.to_s != "" and v4ips.to_s != 'undefined'
  32           nodeinfo['misc']['v4addrs'] = v4ips.split(',').uniq()
  33
  34           # find out if we are behind nat
  35           intersection = nodeinfo['misc']['v4addrs'] & nodeinfo['ldap']['ipHostNumber']
  36           nodeinfo['misc']['natted'] = intersection.empty?
  37         else
  38           nodeinfo['misc']['v4addrs'] = []
  39         end
  40
  41         v6ips = lookupvar('::v6ips')
  42         if v6ips and v6ips.to_s != "" and v6ips.to_s != 'undefined'
  43           nodeinfo['misc']['v6addrs'] = v6ips.split(',').uniq()
  44         else
  45           nodeinfo['misc']['v6addrs'] = []
  46         end
  47
  48         # find out if we have an ipv4 and/or an ipv6 address for our host in ldap.
  49         nodeinfo['misc']['has_v4_ldap'] = nodeinfo['ldap']['ipHostNumber'].any? { |x| IPAddr.new(x).ipv4? }
  50         nodeinfo['misc']['has_v6_ldap'] = nodeinfo['ldap']['ipHostNumber'].any? { |x| IPAddr.new(x).ipv6? }
  51         nodeinfo['misc']['v4_ldap'] = nodeinfo['ldap']['ipHostNumber'].select { |x| IPAddr.new(x).ipv4? }
  52         nodeinfo['misc']['v6_ldap'] = nodeinfo['ldap']['ipHostNumber'].select { |x| IPAddr.new(x).ipv6? }
  53       end
  54
  55       ns = call_function('hiera',['resolv::nameservers'])
  56       allow_dns_q = call_function('hiera',['allow_dns_query'])
  57       if ns.empty?
  58         # no nameservers known for this hoster
  59         nodeinfo['misc']['resolver-recursive'] = true
  60
  61         if not allow_dns_q.empty?
  62           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}."
  63         end
  64       elsif (nodeinfo['misc']['v4addrs'] and (ns & nodeinfo['misc']['v4addrs']).size > 0) or
  65             (nodeinfo['misc']['v6addrs'] and (ns & nodeinfo['misc']['v6addrs']).size > 0)
  66         # this host is listed as a nameserver at this location
  67         nodeinfo['misc']['resolver-recursive'] = true
  68
  69         if allow_dns_q.empty?
  70           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"
  71         end
  72       else
  73         nodeinfo['misc']['resolver-recursive'] = false
  74       end
  75
  76       return(nodeinfo)
  77     rescue => e
  78       raise Puppet::ParseError, "Error in nodeinfo for node #{host}, yamlfile #{yamlfile}: #{e.message}\n#{e.backtrace}"
  79     end
  80   end
  81 end
  82
  83 # vim: set fdm=marker ts=2 sw=2 et: