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