Try to make resolv.conf options actual class parameters
[mirror/dsa-puppet.git] / 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: