Class: Puppet::Resource::Catalog

Inherits:
Graph::SimpleGraph show all
Extended by:
Indirector
Includes:
Util::Tagging
Defined in:
lib/puppet/resource/catalog.rb

Overview

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.

Defined Under Namespace

Classes: Compiler, DuplicateResourceError, Json, Msgpack, Rest, StoreConfigs, Yaml

Constant Summary

Constants included from Indirector

Indirector::BadNameRegexp

Constants included from Util::Tagging

Util::Tagging::ValidTagRegex

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Indirector

configure_routes, indirects

Methods included from Util::Tagging

#merge_into, #merge_tags_from, #raw_tagged?, #set_tags, #tag, #tag_if_valid, #tagged?, #tags, #tags=, #valid_tag?

Methods inherited from Graph::SimpleGraph

#add_edge, #add_relationship, #add_vertex, #adjacent, #dependencies, #dependents, #direct_dependencies_of, #direct_dependents_of, #directed?, #downstream_from_vertex, #each_edge, #edge?, #edges, #edges_between, #find_cycles_in_graph, #initialize_from_hash, #leaves, #matching_edges, #path_between, #paths_in_cycle, #remove_edge!, #remove_vertex!, #report_cycles_in_graph, #reversal, #size, #stringify, #tarjan, #to_a, #to_dot, #to_dot_graph, #tree_from_vertex, #upstream_from_vertex, #vertex?, #vertices, #walk, #write_cycles_to_graph

Methods included from Util::PsychSupport

#encode_with, #init_with

Constructor Details

#initialize(name = nil, environment = Puppet::Node::Environment::NONE, code_id = nil) ⇒ Catalog

Returns a new instance of Catalog


314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
# File 'lib/puppet/resource/catalog.rb', line 314

def initialize(name = nil, environment = Puppet::Node::Environment::NONE, code_id = nil)
  super()
  @name = name
  @catalog_uuid = SecureRandom.uuid
  @catalog_format = 1
   = {}
   = {}
  @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

Instance Attribute Details

#catalog_formatInteger

Returns 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.


42
43
44
# File 'lib/puppet/resource/catalog.rb', line 42

def catalog_format
  @catalog_format
end

#catalog_uuidObject

The UUID of the catalog


37
38
39
# File 'lib/puppet/resource/catalog.rb', line 37

def catalog_uuid
  @catalog_uuid
end

#client_versionObject

Some metadata to help us compile and generally respond to the current state.


67
68
69
# File 'lib/puppet/resource/catalog.rb', line 67

def client_version
  @client_version
end

#code_idObject

The id of the code input to the compiler.


34
35
36
# File 'lib/puppet/resource/catalog.rb', line 34

def code_id
  @code_id
end

#environmentObject

A String representing the environment for this catalog


70
71
72
# File 'lib/puppet/resource/catalog.rb', line 70

def environment
  @environment
end

#environment_instanceObject

The actual environment instance that was used during compilation


73
74
75
# File 'lib/puppet/resource/catalog.rb', line 73

def environment_instance
  @environment_instance
end

#from_cacheObject

Whether this catalog was retrieved from the cache, which affects whether it is written back out again.


64
65
66
# File 'lib/puppet/resource/catalog.rb', line 64

def from_cache
  @from_cache
end

#host_configObject

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.


60
61
62
# File 'lib/puppet/resource/catalog.rb', line 60

def host_config
  @host_config
end

#metadataObject

Inlined file metadata for non-recursive find A hash of title => metadata


46
47
48
# File 'lib/puppet/resource/catalog.rb', line 46

def 
  
end

#nameObject

The host name this is a catalog for.


27
28
29
# File 'lib/puppet/resource/catalog.rb', line 27

def name
  @name
end

#recursive_metadataObject

Inlined file metadata for recursive search A hash of title => { source => [metadata, …] }


50
51
52
# File 'lib/puppet/resource/catalog.rb', line 50

def 
  
end

#retrieval_durationObject

How long this catalog took to retrieve. Used for reporting stats.


53
54
55
# File 'lib/puppet/resource/catalog.rb', line 53

def retrieval_duration
  @retrieval_duration
end

#server_versionObject

Some metadata to help us compile and generally respond to the current state.


67
68
69
# File 'lib/puppet/resource/catalog.rb', line 67

def server_version
  @server_version
end

#versionObject

The catalog version. Used for testing whether a catalog is up to date.


31
32
33
# File 'lib/puppet/resource/catalog.rb', line 31

def version
  @version
end

Class Method Details

.from_data_hash(data) ⇒ Object


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
# File 'lib/puppet/resource/catalog.rb', line 420

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. = data['metadata'].inject({}) { |h, (k, v)| h[k] = Puppet::FileServing::.from_data_hash(v); h } if data['metadata']

   = data['recursive_metadata']
  if 
    result. = .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::.from_data_hash(meta)}
        inner_h
      end
      h
    end
  end

  result
end

Instance Method Details

#add_class(*classes) ⇒ Object

Add classes to our class list.


76
77
78
79
80
81
82
83
# File 'lib/puppet/resource/catalog.rb', line 76

def add_class(*classes)
  classes.each do |klass|
    @classes << klass
  end

  # Add the class names as tags, too.
  tag(*classes)
end

#add_resource(*resources) ⇒ Object


126
127
128
129
130
# File 'lib/puppet/resource/catalog.rb', line 126

def add_resource(*resources)
  resources.each do |resource|
    add_one_resource(resource)
  end
end

#add_resource_after(other, *resources) ⇒ Object

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]`.


114
115
116
117
118
119
120
121
122
123
124
# File 'lib/puppet/resource/catalog.rb', line 114

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

#add_resource_before(other, *resources) ⇒ Object


99
100
101
102
103
104
105
106
107
108
109
# File 'lib/puppet/resource/catalog.rb', line 99

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

#alias(resource, key) ⇒ Object

Create an alias for a resource.


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
# File 'lib/puppet/resource/catalog.rb', line 184

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(options = {}) {|transaction| ... } ⇒ Puppet::Transaction

Apply our catalog to the local host.

Options Hash (options):

  • :report (Puppet::Transaction::Report)

    The report object to log this transaction to. This is optional, and the resulting transaction will create a report if not supplied.

Yields:

  • (transaction)

232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
# File 'lib/puppet/resource/catalog.rb', line 232

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

#classesObject


284
285
286
# File 'lib/puppet/resource/catalog.rb', line 284

def classes
  @classes.dup
end

#clear(remove_resources = true) ⇒ Object


271
272
273
274
275
276
277
278
279
280
281
282
# File 'lib/puppet/resource/catalog.rb', line 271

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

#container_of(resource) ⇒ A Resource?

Returns the resource that contains the given resource


135
136
137
# File 'lib/puppet/resource/catalog.rb', line 135

def container_of(resource)
  adjacent(resource, :direction => :in)[0]
end

#create_resource(type, options) ⇒ Object

Create a new resource and register it in the catalog.


289
290
291
292
293
294
295
296
297
298
299
# File 'lib/puppet/resource/catalog.rb', line 289

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

#filter(&block) ⇒ Object

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


519
520
521
522
523
524
525
526
527
528
529
530
531
532
# File 'lib/puppet/resource/catalog.rb', line 519

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

#finalizeObject

Make sure all of our resources are “finished”.


302
303
304
305
306
307
308
# File 'lib/puppet/resource/catalog.rb', line 302

def finalize
  make_default_resources

  @resource_table.values.each { |resource| resource.finish }

  write_graph(:resources)
end

#host_config?Boolean


310
311
312
# File 'lib/puppet/resource/catalog.rb', line 310

def host_config?
  host_config
end

#make_default_resourcesObject

Make the default objects necessary for function.


340
341
342
343
344
345
346
347
348
349
350
351
352
# File 'lib/puppet/resource/catalog.rb', line 340

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

#relationship_graph(given_prioritizer = nil) ⇒ Puppet::Graph::RelationshipGraph

The relationship_graph form of the catalog. This contains all of the dependency edges that are used for determining order.


263
264
265
266
267
268
269
# File 'lib/puppet/resource/catalog.rb', line 263

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

#remove_resource(*resources) ⇒ Object

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.


357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
# File 'lib/puppet/resource/catalog.rb', line 357

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

#resource(type, title = nil) ⇒ Object

Look a resource up by its reference (e.g., File).


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
# File 'lib/puppet/resource/catalog.rb', line 376

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, or nothing is found as it is needed by the CapabilityFinder.
    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]

    if result.nil?
      resource_type = res.resource_type
      if resource_type && resource_type.is_capability?
        # @todo lutter 2015-03-10: this assumes that it is legal to just
        # mention a capability resource in code and have it automatically
        # made available, even if the current component does not require it
        result = Puppet::Resource::CapabilityFinder.find(environment, code_id, res)
        add_resource(result) if result
      end
    end
  end
  result
end

#resource_keysObject


410
411
412
# File 'lib/puppet/resource/catalog.rb', line 410

def resource_keys
  @resource_table.keys
end

#resource_refsObject


406
407
408
# File 'lib/puppet/resource/catalog.rb', line 406

def resource_refs
  resource_keys.collect{ |type, name| name.is_a?( String ) ? "#{type}[#{name}]" : nil}.compact
end

#resourcesObject


414
415
416
417
418
# File 'lib/puppet/resource/catalog.rb', line 414

def resources
  @resources.collect do |key|
    @resource_table[key]
  end
end

#title_key_for_ref(ref) ⇒ Object

Returns [typename, title] when given a String with “Type”. Returns [nil, nil] if '[' ']' not detected.


88
89
90
91
92
93
94
95
96
97
# File 'lib/puppet/resource/catalog.rb', line 88

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

#to_data_hashObject


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
# File 'lib/puppet/resource/catalog.rb', line 480

def to_data_hash
   = .inject({}) { |h, (k, v)| h[k] = v.to_data_hash; h }
   = .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(.empty? ?
    {} : {'metadata' => }).merge(.empty? ?
      {} : {'recursive_metadata' => })
end

#to_ralObject

Convert our catalog into a RAL catalog.


507
508
509
# File 'lib/puppet/resource/catalog.rb', line 507

def to_ral
  to_catalog :to_ral
end

#to_resourceObject

Convert our catalog into a catalog of Puppet::Resource instances.


512
513
514
# File 'lib/puppet/resource/catalog.rb', line 512

def to_resource
  to_catalog :to_resource
end

#write_class_fileObject

Store the classes in the classfile.


535
536
537
538
539
540
541
542
543
544
# File 'lib/puppet/resource/catalog.rb', line 535

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

#write_graph(name) ⇒ Object

Produce the graph files if requested.


563
564
565
566
567
568
# File 'lib/puppet/resource/catalog.rb', line 563

def write_graph(name)
  # We only want to graph the main host catalog.
  return unless host_config?

  super
end

#write_resource_fileObject

Store the list of resources we manage


547
548
549
550
551
552
553
554
555
556
557
558
559
560
# File 'lib/puppet/resource/catalog.rb', line 547

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