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authorAdam Edwards <adamed@opscode.com>2014-03-29 08:43:05 -0700
committerAdam Edwards <adamed@opscode.com>2014-03-29 08:43:05 -0700
commit7d4f5e04ce9851dce6f97c72ffee8b2cca2b58bc (patch)
tree3c58f38d684afa1a183ed3920c54e374383d2201 /lib/chef/guard_interpreter
parentf596b16abda4aa0642add2dd2f0af900956f6a73 (diff)
downloadchef-7d4f5e04ce9851dce6f97c72ffee8b2cca2b58bc.tar.gz
CR feedback: centralize resource guard evaluation logic to increase readability
Diffstat (limited to 'lib/chef/guard_interpreter')
-rw-r--r--lib/chef/guard_interpreter/resource_guard_interpreter.rb33
1 files changed, 18 insertions, 15 deletions
diff --git a/lib/chef/guard_interpreter/resource_guard_interpreter.rb b/lib/chef/guard_interpreter/resource_guard_interpreter.rb
index c2a2b1d6b4..fc1d4a1df8 100644
--- a/lib/chef/guard_interpreter/resource_guard_interpreter.rb
+++ b/lib/chef/guard_interpreter/resource_guard_interpreter.rb
@@ -25,19 +25,7 @@ class Chef
def initialize(parent_resource, command, opts, &block)
super(command, opts)
@parent_resource = parent_resource
-
- resource_class = get_resource_class(parent_resource)
-
- raise ArgumentError, "Specified guard_interpreter resource #{parent_resource.guard_interpreter.to_s} unknown for this platform" if resource_class.nil?
-
- empty_events = Chef::EventDispatch::Dispatcher.new
- anonymous_run_context = Chef::RunContext.new(parent_resource.node, {}, empty_events)
-
- @resource = resource_class.new('Guard resource', anonymous_run_context)
-
- if ! @resource.kind_of?(Chef::Resource::Script)
- raise ArgumentError, "Specified guard interpreter class #{resource_class} must be a kind of Chef::Resource::Script resource"
- end
+ @resource = get_interpreter_resource(parent_resource)
end
def evaluate
@@ -80,11 +68,26 @@ class Chef
resource_updated
end
- def get_resource_class(parent_resource)
+ def get_interpreter_resource(parent_resource)
if parent_resource.nil? || parent_resource.node.nil?
raise ArgumentError, "Node for guard resource parent must not be nil"
end
- Chef::Resource.resource_for_node(parent_resource.guard_interpreter, parent_resource.node)
+
+ resource_class = Chef::Resource.resource_for_node(parent_resource.guard_interpreter, parent_resource.node)
+
+ if resource_class.nil?
+ raise ArgumentError, "Specified guard_interpreter resource #{parent_resource.guard_interpreter.to_s} unknown for this platform"
+ end
+
+ empty_events = Chef::EventDispatch::Dispatcher.new
+ anonymous_run_context = Chef::RunContext.new(parent_resource.node, {}, empty_events)
+ interpreter_resource = resource_class.new('Guard resource', anonymous_run_context)
+
+ if ! interpreter_resource.kind_of?(Chef::Resource::Script)
+ raise ArgumentError, "Specified guard interpreter class #{resource_class} must be a kind of Chef::Resource::Script resource"
+ end
+
+ interpreter_resource
end
def block_from_attributes(attributes)