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# frozen_string_literal: true
# Instruction for Resource instantiation.
# Instantiates resources of both native and user defined types.
#
class Puppet::Parser::AST::Resource < Puppet::Parser::AST::Branch
attr_accessor :type, :instances, :exported, :virtual
def initialize(argshash)
Puppet.warn_once('deprecations', 'AST::Resource', _('Use of Puppet::Parser::AST::Resource is deprecated and not fully functional'))
super(argshash)
end
# Evaluates resources by adding them to the compiler for lazy evaluation
# and returning the produced resource references.
#
def evaluate(scope)
# We want virtual to be true if exported is true. We can't
# just set :virtual => self.virtual in the initialization,
# because sometimes the :virtual attribute is set *after*
# :exported, in which case it clobbers :exported if :exported
# is true. Argh, this was a very tough one to track down.
virt = virtual || exported
# First level of implicit iteration: build a resource for each
# instance. This handles things like:
# file { '/foo': owner => blah; '/bar': owner => blah }
@instances.map do |instance|
# Evaluate all of the specified params.
paramobjects = instance.parameters.map { |param| param.safeevaluate(scope) }
resource_titles = instance.title.safeevaluate(scope)
# it's easier to always use an array, even for only one name
resource_titles = [resource_titles] unless resource_titles.is_a?(Array)
fully_qualified_type, resource_titles = scope.resolve_type_and_titles(type, resource_titles)
# Second level of implicit iteration; build a resource for each
# title. This handles things like:
# file { ['/foo', '/bar']: owner => blah }
resource_titles.flatten.map do |resource_title|
exceptwrap :type => Puppet::ParseError do
resource = Puppet::Parser::Resource.new(
fully_qualified_type, resource_title,
:parameters => paramobjects,
:file => file,
:line => line,
:exported => exported,
:virtual => virt,
:source => scope.source,
:scope => scope,
:strict => true
)
if resource.resource_type.is_a? Puppet::Resource::Type
resource.resource_type.instantiate_resource(scope, resource)
end
scope.compiler.add_resource(scope, resource)
scope.compiler.evaluate_classes([resource_title], scope, false) if fully_qualified_type == 'class'
resource
end
end
end.flatten.compact
end
end
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