1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
require 'puppet/node'
require 'puppet/node/configuration'
require 'puppet/indirector/code'
require 'puppet/parser/interpreter'
require 'yaml'
class Puppet::Node::Configuration::Compiler < Puppet::Indirector::Code
desc "Puppet's configuration compilation interface. Passed a node name
or other key, retrieves information about the node (using the ``node_source``)
and returns a compiled configuration."
include Puppet::Util
attr_accessor :code
# Compile a node's configuration.
def find(key, client = nil, clientip = nil)
if key.is_a?(Puppet::Node)
node = key
else
node = find_node(key)
end
if configuration = compile(node)
return configuration.to_transportable
else
# This shouldn't actually happen; we should either return
# a config or raise an exception.
return nil
end
end
def initialize
set_server_facts
end
# Create/return our interpreter.
def interpreter
unless defined?(@interpreter) and @interpreter
@interpreter = create_interpreter
end
@interpreter
end
# Is our compiler part of a network, or are we just local?
def networked?
$0 =~ /puppetmasterd/
end
# Return the configuration version. Here we're returning the
# latest of the node, fact, or parse date. These are the
# three things that go into compiling a client configuration,
# so changes in any of them result in changes.
# LAK:FIXME Note that this only works when all three sources
# use timestamps; once one of them moves to using real versions,
# the comparison stops working.
def version(key)
if node = Puppet::Node.find_by_any_name(key)
return [Puppet::Node.version(key).to_f, Puppet::Node::Facts.version(key).to_f, interpreter.configuration_version(node).to_f].sort[-1]
else
# This is the standard for "got nothing for ya".
0
end
end
private
# Add any extra data necessary to the node.
def add_node_data(node)
# Merge in our server-side facts, so they can be used during compilation.
node.merge(@server_facts)
end
# Compile the actual configuration.
def compile(node)
# Ask the interpreter to compile the configuration.
str = "Compiled configuration for %s" % node.name
if node.environment
str += " in environment %s" % node.environment
end
config = nil
loglevel = networked? ? :notice : :none
benchmark(loglevel, "Compiled configuration for %s" % node.name) do
begin
config = interpreter.compile(node)
rescue Puppet::Error => detail
Puppet.err(detail.to_s) if networked?
raise
end
end
return config
end
# Create our interpreter object.
def create_interpreter
return Puppet::Parser::Interpreter.new
end
# Turn our host name into a node object.
def find_node(key)
# If we want to use the cert name as our key
# LAK:FIXME This needs to be figured out somehow, but it requires the routing.
#if Puppet[:node_name] == 'cert' and client
# key = client
#end
# Note that this is reasonable, because either their node source should actually
# know about the node, or they should be using the ``null`` node source, which
# will always return data.
unless node = Puppet::Node.find_by_any_name(key)
raise Puppet::Error, "Could not find node '%s'" % key
end
# Add any external data to the node.
add_node_data(node)
node
end
# Initialize our server fact hash; we add these to each client, and they
# won't change while we're running, so it's safe to cache the values.
def set_server_facts
@server_facts = {}
# Add our server version to the fact list
@server_facts["serverversion"] = Puppet.version.to_s
# And then add the server name and IP
{"servername" => "fqdn",
"serverip" => "ipaddress"
}.each do |var, fact|
if value = Facter.value(fact)
@server_facts[var] = value
else
Puppet.warning "Could not retrieve fact %s" % fact
end
end
if @server_facts["servername"].nil?
host = Facter.value(:hostname)
if domain = Facter.value(:domain)
@server_facts["servername"] = [host, domain].join(".")
else
@server_facts["servername"] = host
end
end
end
# Translate our configuration appropriately for sending back to a client.
# LAK:FIXME This method should probably be part of the protocol, but it
# shouldn't be here.
def translate(config)
unless networked?
config
else
CGI.escape(config.to_yaml(:UseBlock => true))
end
end
# Mark that the node has checked in. LAK:FIXME this needs to be moved into
# the Node class, or somewhere that's got abstract backends.
def update_node_check(node)
if Puppet.features.rails? and Puppet[:storeconfigs]
Puppet::Rails.connect
host = Puppet::Rails::Host.find_or_create_by_name(node.name)
host.last_freshcheck = Time.now
host.save
end
end
end
|
