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require 'puppet/parser/ast/resourcedef'
class Puppet::Parser::AST
# Set a parameter on a resource specification created somewhere else in the
# configuration. The object is responsible for verifying that this is allowed.
class ResourceOverride < ResourceDef
attr_accessor :object
attr_reader :params
# Iterate across all of our children.
def each
[@object,@params].flatten.each { |param|
#Puppet.debug("yielding param %s" % param)
yield param
}
end
# Does not actually return an object; instead sets an object
# in the current scope.
def evaluate(hash)
scope = hash[:scope]
# Get our object reference.
object = @object.safeevaluate(:scope => scope)
hash = {}
# Evaluate all of the specified params.
params = @params.collect { |param|
param.safeevaluate(:scope => scope)
}
# Now we just create a normal resource, but we call a very different
# method on the scope.
obj = Puppet::Parser::Resource.new(
:type => object.type,
:title => object.title,
:params => params,
:file => @file,
:line => @line,
:source => scope.source,
:scope => scope
)
# Now we tell the scope that it's an override, and it behaves as
# necessary.
scope.setoverride(obj)
obj
end
# Create our ResourceDef. Handles type checking for us.
def initialize(hash)
@checked = false
super
#self.typecheck(@type.value)
end
end
end
# $Id$
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