diff options
Diffstat (limited to 'lib/chef/resource_collection.rb')
| -rw-r--r-- | lib/chef/resource_collection.rb | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/lib/chef/resource_collection.rb b/lib/chef/resource_collection.rb index 6c5b4289d8..1429c25d7f 100644 --- a/lib/chef/resource_collection.rb +++ b/lib/chef/resource_collection.rb @@ -33,9 +33,12 @@ class Chef extend Forwardable attr_reader :resource_set, :resource_list - private :resource_set, :resource_list + attr_accessor :run_context - def initialize + protected :resource_set, :resource_list + + def initialize(run_context = nil) + @run_context = run_context @resource_set = ResourceSet.new @resource_list = ResourceList.new end @@ -79,11 +82,50 @@ class Chef resource_list_methods = Enumerable.instance_methods + [:iterator, :all_resources, :[], :each, :execute_each_resource, :each_index, :empty?] - - [:find] # find needs to run on the set - resource_set_methods = [:lookup, :find, :resources, :keys, :validate_lookup_spec!] + [:find] # find overridden below + resource_set_methods = [:resources, :keys, :validate_lookup_spec!] def_delegators :resource_list, *resource_list_methods def_delegators :resource_set, *resource_set_methods + def lookup_local(key) + resource_set.lookup(key) + end + + def find_local(*args) + resource_set.find(*args) + end + + def lookup(key) + if run_context.nil? + lookup_local(key) + else + lookup_recursive(run_context, key) + end + end + + def find(*args) + if run_context.nil? + find_local(*args) + else + find_recursive(run_context, *args) + end + end + + private + + def lookup_recursive(rc, key) + rc.resource_collection.resource_set.lookup(key) + rescue Chef::Exceptions::ResourceNotFound + raise if rc.parent_run_context.nil? + lookup_recursive(rc.parent_run_context, key) + end + + def find_recursive(rc, *args) + rc.resource_collection.resource_set.find(*args) + rescue Chef::Exceptions::ResourceNotFound + raise if rc.parent_run_context.nil? + find_recursive(rc.parent_run_context, *args) + end end end |