/
catalog.rb
654 lines (548 loc) · 21.6 KB
/
catalog.rb
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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
require_relative '../../puppet/node'
require_relative '../../puppet/indirector'
require_relative '../../puppet/transaction'
require_relative '../../puppet/util/tagging'
require_relative '../../puppet/graph'
require 'securerandom'
# This class models a node catalog. It is the thing meant to be passed
# from server to client, and it contains all of the information in the
# catalog, including the resources and the relationships between them.
#
# @api public
class Puppet::Resource::Catalog < Puppet::Graph::SimpleGraph
class DuplicateResourceError < Puppet::Error
include Puppet::ExternalFileError
end
extend Puppet::Indirector
indirects :catalog, :terminus_setting => :catalog_terminus
include Puppet::Util::Tagging
# The host name this is a catalog for.
attr_accessor :name
# The catalog version. Used for testing whether a catalog
# is up to date.
attr_accessor :version
# The id of the code input to the compiler.
attr_accessor :code_id
# The UUID of the catalog
attr_accessor :catalog_uuid
# @return [Integer] catalog format version number. This value is constant
# for a given version of Puppet; it is incremented when a new release of
# Puppet changes the API for the various objects that make up the catalog.
attr_accessor :catalog_format
# Inlined file metadata for non-recursive find
# A hash of title => metadata
attr_accessor :metadata
# Inlined file metadata for recursive search
# A hash of title => { source => [metadata, ...] }
attr_accessor :recursive_metadata
# How long this catalog took to retrieve. Used for reporting stats.
attr_accessor :retrieval_duration
# Whether this is a host catalog, which behaves very differently.
# In particular, reports are sent, graphs are made, and state is
# stored in the state database. If this is set incorrectly, then you often
# end up in infinite loops, because catalogs are used to make things
# that the host catalog needs.
attr_accessor :host_config
# Whether this catalog was retrieved from the cache, which affects
# whether it is written back out again.
attr_accessor :from_cache
# Some metadata to help us compile and generally respond to the current state.
attr_accessor :client_version, :server_version
# A String representing the environment for this catalog
attr_accessor :environment
# The actual environment instance that was used during compilation
attr_accessor :environment_instance
# Add classes to our class list.
def add_class(*classes)
classes.each do |klass|
@classes << klass
end
# Add the class names as tags, too.
tag(*classes)
end
# Returns [typename, title] when given a String with "Type[title]".
# Returns [nil, nil] if '[' ']' not detected.
#
def title_key_for_ref( ref )
s = ref.index('[')
e = ref.rindex(']')
if s && e && e > s
a = [ref[0, s], ref[s+1, e-s-1]]
else
a = [nil, nil]
end
return a
end
def add_resource_before(other, *resources)
resources.each do |resource|
other_title_key = title_key_for_ref(other.ref)
idx = @resources.index(other_title_key)
if idx.nil?
raise ArgumentError, _("Cannot add resource %{resource_1} before %{resource_2} because %{resource_2} is not yet in the catalog") %
{ resource_1: resource.ref, resource_2: other.ref }
end
add_one_resource(resource, idx)
end
end
# Add `resources` to the catalog after `other`. WARNING: adding
# multiple resources will produce the reverse ordering, e.g. calling
# `add_resource_after(A, [B,C])` will result in `[A,C,B]`.
def add_resource_after(other, *resources)
resources.each do |resource|
other_title_key = title_key_for_ref(other.ref)
idx = @resources.index(other_title_key)
if idx.nil?
raise ArgumentError, _("Cannot add resource %{resource_1} after %{resource_2} because %{resource_2} is not yet in the catalog") %
{ resource_1: resource.ref, resource_2: other.ref }
end
add_one_resource(resource, idx+1)
end
end
def add_resource(*resources)
resources.each do |resource|
add_one_resource(resource)
end
end
# @param resource [A Resource] a resource in the catalog
# @return [A Resource, nil] the resource that contains the given resource
# @api public
def container_of(resource)
adjacent(resource, :direction => :in)[0]
end
def add_one_resource(resource, idx=-1)
title_key = title_key_for_ref(resource.ref)
if @resource_table[title_key]
fail_on_duplicate_type_and_title(resource, title_key)
end
add_resource_to_table(resource, title_key, idx)
create_resource_aliases(resource)
resource.catalog = self if resource.respond_to?(:catalog=)
add_resource_to_graph(resource)
end
private :add_one_resource
def add_resource_to_table(resource, title_key, idx)
@resource_table[title_key] = resource
@resources.insert(idx, title_key)
end
private :add_resource_to_table
def add_resource_to_graph(resource)
add_vertex(resource)
@relationship_graph.add_vertex(resource) if @relationship_graph
end
private :add_resource_to_graph
def create_resource_aliases(resource)
# Explicit aliases must always be processed
# The alias setting logic checks, and does not error if the alias is set to an already set alias
# for the same resource (i.e. it is ok if alias == title
explicit_aliases = [resource[:alias]].flatten.compact
explicit_aliases.each {| given_alias | self.alias(resource, given_alias) }
# Skip creating uniqueness key alias and checking collisions for non-isomorphic resources.
return unless resource.respond_to?(:isomorphic?) and resource.isomorphic?
# Add an alias if the uniqueness key is valid and not the title, which has already been checked.
ukey = resource.uniqueness_key
if ukey.any? and ukey != [resource.title]
self.alias(resource, ukey)
end
end
private :create_resource_aliases
# Create an alias for a resource.
def alias(resource, key)
ref = resource.ref
ref =~ /^(.+)\[/
class_name = $1 || resource.class.name
newref = [class_name, key].flatten
if key.is_a? String
ref_string = "#{class_name}[#{key}]"
return if ref_string == ref
end
# LAK:NOTE It's important that we directly compare the references,
# because sometimes an alias is created before the resource is
# added to the catalog, so comparing inside the below if block
# isn't sufficient.
existing = @resource_table[newref]
if existing
return if existing == resource
resource_declaration = Puppet::Util::Errors.error_location(resource.file, resource.line)
msg = if resource_declaration.empty?
#TRANSLATORS 'alias' should not be translated
_("Cannot alias %{resource} to %{key}; resource %{newref} already declared") %
{ resource: ref, key: key.inspect, newref: newref.inspect }
else
#TRANSLATORS 'alias' should not be translated
_("Cannot alias %{resource} to %{key} at %{resource_declaration}; resource %{newref} already declared") %
{ resource: ref, key: key.inspect, resource_declaration: resource_declaration, newref: newref.inspect }
end
msg += Puppet::Util::Errors.error_location_with_space(existing.file, existing.line)
raise ArgumentError, msg
end
@resource_table[newref] = resource
@aliases[ref] ||= []
@aliases[ref] << newref
end
# Apply our catalog to the local host.
# @param options [Hash{Symbol => Object}] a hash of options
# @option options [Puppet::Transaction::Report] :report
# The report object to log this transaction to. This is optional,
# and the resulting transaction will create a report if not
# supplied.
#
# @return [Puppet::Transaction] the transaction created for this
# application
#
# @api public
def apply(options = {})
Puppet::Util::Storage.load if host_config?
transaction = create_transaction(options)
begin
transaction.report.as_logging_destination do
transaction_evaluate_time = Puppet::Util.thinmark do
transaction.evaluate
end
transaction.report.add_times(:transaction_evaluation, transaction_evaluate_time)
end
ensure
# Don't try to store state unless we're a host config
# too recursive.
Puppet::Util::Storage.store if host_config?
end
yield transaction if block_given?
transaction
end
# The relationship_graph form of the catalog. This contains all of the
# dependency edges that are used for determining order.
#
# @param given_prioritizer [Puppet::Graph::Prioritizer] The prioritization
# strategy to use when constructing the relationship graph. Defaults the
# being determined by the `ordering` setting.
# @return [Puppet::Graph::RelationshipGraph]
# @api public
def relationship_graph(given_prioritizer = nil)
if @relationship_graph.nil?
@relationship_graph = Puppet::Graph::RelationshipGraph.new(given_prioritizer || prioritizer)
@relationship_graph.populate_from(self)
end
@relationship_graph
end
def clear(remove_resources = true)
super()
# We have to do this so that the resources clean themselves up.
@resource_table.values.each { |resource| resource.remove } if remove_resources
@resource_table.clear
@resources = []
if @relationship_graph
@relationship_graph.clear
@relationship_graph = nil
end
end
def classes
@classes.dup
end
# Create a new resource and register it in the catalog.
def create_resource(type, options)
klass = Puppet::Type.type(type)
unless klass
raise ArgumentError, _("Unknown resource type %{type}") % { type: type }
end
resource = klass.new(options)
return unless resource
add_resource(resource)
resource
end
# Make sure all of our resources are "finished".
def finalize
make_default_resources
@resource_table.values.each { |resource| resource.finish }
write_graph(:resources)
end
def host_config?
host_config
end
def initialize(name = nil, environment = Puppet::Node::Environment::NONE, code_id = nil)
super()
@name = name
@catalog_uuid = SecureRandom.uuid
@catalog_format = 1
@metadata = {}
@recursive_metadata = {}
@classes = []
@resource_table = {}
@resources = []
@relationship_graph = nil
@host_config = true
@environment_instance = environment
@environment = environment.to_s
@code_id = code_id
@aliases = {}
if block_given?
yield(self)
finalize
end
end
# Make the default objects necessary for function.
def make_default_resources
# We have to add the resources to the catalog, or else they won't get cleaned up after
# the transaction.
# First create the default scheduling objects
Puppet::Type.type(:schedule).mkdefaultschedules.each { |res| add_resource(res) unless resource(res.ref) }
# And filebuckets
bucket = Puppet::Type.type(:filebucket).mkdefaultbucket
if bucket
add_resource(bucket) unless resource(bucket.ref)
end
end
# Remove the resource from our catalog. Notice that we also call
# 'remove' on the resource, at least until resource classes no longer maintain
# references to the resource instances.
def remove_resource(*resources)
resources.each do |resource|
ref = resource.ref
title_key = title_key_for_ref(ref)
@resource_table.delete(title_key)
aliases = @aliases[ref]
if aliases
aliases.each { |res_alias| @resource_table.delete(res_alias) }
@aliases.delete(ref)
end
remove_vertex!(resource) if vertex?(resource)
@relationship_graph.remove_vertex!(resource) if @relationship_graph and @relationship_graph.vertex?(resource)
@resources.delete(title_key)
# Only Puppet::Type kind of resources respond to :remove, not Puppet::Resource
resource.remove if resource.respond_to?(:remove)
end
end
# Look a resource up by its reference (e.g., File[/etc/passwd]).
def resource(type, title = nil)
# Retain type if it's a type
type_name = type.is_a?(Puppet::CompilableResourceType) || type.is_a?(Puppet::Resource::Type) ? type.name : type
type_name, title = Puppet::Resource.type_and_title(type_name, title)
type = type_name if type.is_a?(String)
title_key = [type_name, title.to_s]
result = @resource_table[title_key]
if result.nil?
# an instance has to be created in order to construct the unique key used when
# searching for aliases
res = Puppet::Resource.new(type, title, { :environment => @environment_instance })
# Must check with uniqueness key because of aliases or if resource transforms title in title
# to attribute mappings.
result = @resource_table[[type_name, res.uniqueness_key].flatten]
end
result
end
def resource_refs
resource_keys.collect{ |type, name| name.is_a?( String ) ? "#{type}[#{name}]" : nil}.compact
end
def resource_keys
@resource_table.keys
end
def resources
@resources.collect do |key|
@resource_table[key]
end
end
def self.from_data_hash(data)
result = new(data['name'], Puppet::Node::Environment::NONE)
result.tag(*data['tags']) if data['tags']
result.version = data['version'] if data['version']
result.code_id = data['code_id'] if data['code_id']
result.catalog_uuid = data['catalog_uuid'] if data['catalog_uuid']
result.catalog_format = data['catalog_format'] || 0
environment = data['environment']
if environment
result.environment = environment
result.environment_instance = Puppet::Node::Environment.remote(environment.to_sym)
end
result.add_resource(
*data['resources'].collect do |res|
Puppet::Resource.from_data_hash(res)
end
) if data['resources']
if data['edges']
data['edges'].each do |edge_hash|
edge = Puppet::Relationship.from_data_hash(edge_hash)
source = result.resource(edge.source)
unless source
raise ArgumentError, _("Could not intern from data: Could not find relationship source %{source} for %{target}") %
{ source: edge.source.inspect, target: edge.target.to_s }
end
edge.source = source
target = result.resource(edge.target)
unless target
raise ArgumentError, _("Could not intern from data: Could not find relationship target %{target} for %{source}") %
{ target: edge.target.inspect, source: edge.source.to_s }
end
edge.target = target
result.add_edge(edge)
end
end
result.add_class(*data['classes']) if data['classes']
result.metadata = data['metadata'].inject({}) { |h, (k, v)| h[k] = Puppet::FileServing::Metadata.from_data_hash(v); h } if data['metadata']
recursive_metadata = data['recursive_metadata']
if recursive_metadata
result.recursive_metadata = recursive_metadata.inject({}) do |h, (title, source_to_meta_hash)|
h[title] = source_to_meta_hash.inject({}) do |inner_h, (source, metas)|
inner_h[source] = metas.map {|meta| Puppet::FileServing::Metadata.from_data_hash(meta)}
inner_h
end
h
end
end
result
end
def to_data_hash
metadata_hash = metadata.inject({}) { |h, (k, v)| h[k] = v.to_data_hash; h }
recursive_metadata_hash = recursive_metadata.inject({}) do |h, (title, source_to_meta_hash)|
h[title] = source_to_meta_hash.inject({}) do |inner_h, (source, metas)|
inner_h[source] = metas.map {|meta| meta.to_data_hash}
inner_h
end
h
end
{
'tags' => tags.to_a,
'name' => name,
'version' => version,
'code_id' => code_id,
'catalog_uuid' => catalog_uuid,
'catalog_format' => catalog_format,
'environment' => environment.to_s,
'resources' => @resources.map { |v| @resource_table[v].to_data_hash },
'edges' => edges.map { |e| e.to_data_hash },
'classes' => classes,
}.merge(metadata_hash.empty? ?
{} : {'metadata' => metadata_hash}).merge(recursive_metadata_hash.empty? ?
{} : {'recursive_metadata' => recursive_metadata_hash})
end
# Convert our catalog into a RAL catalog.
def to_ral
to_catalog :to_ral
end
# Convert our catalog into a catalog of Puppet::Resource instances.
def to_resource
to_catalog :to_resource
end
# filter out the catalog, applying +block+ to each resource.
# If the block result is false, the resource will
# be kept otherwise it will be skipped
def filter(&block)
# to_catalog must take place in a context where current_environment is set to the same env as the
# environment set in the catalog (if it is set)
# See PUP-3755
if environment_instance
Puppet.override({:current_environment => environment_instance}) do
to_catalog :to_resource, &block
end
else
# If catalog has no environment_instance, hope that the caller has made sure the context has the
# correct current_environment
to_catalog :to_resource, &block
end
end
# Store the classes in the classfile.
def write_class_file
# classfile paths may contain UTF-8
# https://puppet.com/docs/puppet/latest/configuration.html#classfile
classfile = Puppet.settings.setting(:classfile)
Puppet::FileSystem.open(classfile.value, classfile.mode.to_i(8), "w:UTF-8") do |f|
f.puts classes.join("\n")
end
rescue => detail
Puppet.err _("Could not create class file %{file}: %{detail}") % { file: Puppet[:classfile], detail: detail }
end
# Store the list of resources we manage
def write_resource_file
# resourcefile contains resources that may be UTF-8 names
# https://puppet.com/docs/puppet/latest/configuration.html#resourcefile
resourcefile = Puppet.settings.setting(:resourcefile)
Puppet::FileSystem.open(resourcefile.value, resourcefile.mode.to_i(8), "w:UTF-8") do |f|
to_print = resources.map do |resource|
next unless resource.managed?
"#{resource.ref.downcase}"
end.compact
f.puts to_print.join("\n")
end
rescue => detail
Puppet.err _("Could not create resource file %{file}: %{detail}") % { file: Puppet[:resourcefile], detail: detail }
end
# Produce the graph files if requested.
def write_graph(name)
# We only want to graph the main host catalog.
return unless host_config?
super
end
private
def prioritizer
@prioritizer = Puppet::Graph::SequentialPrioritizer.new
end
def create_transaction(options)
transaction = Puppet::Transaction.new(self, options[:report], prioritizer)
transaction.tags = options[:tags] if options[:tags]
transaction.ignoreschedules = true if options[:ignoreschedules]
transaction.for_network_device = Puppet.lookup(:network_device) { nil } || options[:network_device]
transaction
end
# Verify that the given resource isn't declared elsewhere.
def fail_on_duplicate_type_and_title(resource, title_key)
# Short-circuit the common case,
existing_resource = @resource_table[title_key]
return unless existing_resource
# If we've gotten this far, it's a real conflict
error_location_str = Puppet::Util::Errors.error_location(existing_resource.file, existing_resource.line)
msg = if error_location_str.empty?
_("Duplicate declaration: %{resource} is already declared; cannot redeclare") % { resource: resource.ref }
else
_("Duplicate declaration: %{resource} is already declared at %{error_location}; cannot redeclare") % { resource: resource.ref, error_location: error_location_str }
end
raise DuplicateResourceError.new(msg, resource.file, resource.line)
end
# An abstracted method for converting one catalog into another type of catalog.
# This pretty much just converts all of the resources from one class to another, using
# a conversion method.
def to_catalog(convert)
result = self.class.new(self.name, self.environment_instance)
result.version = self.version
result.code_id = self.code_id
result.catalog_uuid = self.catalog_uuid
result.catalog_format = self.catalog_format
result.metadata = self.metadata
result.recursive_metadata = self.recursive_metadata
map = {}
resources.each do |resource|
next if virtual_not_exported?(resource)
next if block_given? and yield resource
newres = resource.copy_as_resource
newres.catalog = result
if convert != :to_resource
newres = newres.to_ral
end
# We can't guarantee that resources don't munge their names
# (like files do with trailing slashes), so we have to keep track
# of what a resource got converted to.
map[resource.ref] = newres
result.add_resource newres
end
message = convert.to_s.tr "_", " "
edges.each do |edge|
# Skip edges between virtual resources.
next if virtual_not_exported?(edge.source)
next if block_given? and yield edge.source
next if virtual_not_exported?(edge.target)
next if block_given? and yield edge.target
source = map[edge.source.ref]
unless source
raise Puppet::DevError, _("Could not find resource %{resource} when converting %{message} resources") % { resource: edge.source.ref, message: message }
end
target = map[edge.target.ref]
unless target
raise Puppet::DevError, _("Could not find resource %{resource} when converting %{message} resources") % { resource: edge.target.ref, message: message }
end
result.add_edge(source, target, edge.label)
end
map.clear
result.add_class(*self.classes)
result.merge_tags_from(self)
result
end
def virtual_not_exported?(resource)
resource.virtual && !resource.exported
end
end