Method: Chef::Resource::Notification#fix_resource_reference

Defined in:
lib/chef/resource.rb

#fix_resource_reference(resource_collection) ⇒ Object

This will look up the resource if it is not a Resource Object. It will complain if it finds multiple resources, can’t find a resource, or gets invalid syntax.



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# File 'lib/chef/resource.rb', line 61

def fix_resource_reference(resource_collection)
  matching_resource = resource_collection.find(resource)
  if Array(matching_resource).size > 1
    msg = "Notification #{self} from #{notifying_resource} was created with a reference to multiple resources, "\
    "but can only notify one resource. Notifying resource was defined on #{notifying_resource.source_line}"
    raise Chef::Exceptions::InvalidResourceReference, msg
  end
  self.resource = matching_resource

rescue Chef::Exceptions::ResourceNotFound => e
  err = Chef::Exceptions::ResourceNotFound.new(<<-FAIL)
resource #{notifying_resource} is configured to notify resource #{resource} with action #{action}, \
but #{resource} cannot be found in the resource collection. #{notifying_resource} is defined in \
#{notifying_resource.source_line}
FAIL
  err.set_backtrace(e.backtrace)
  raise err
rescue Chef::Exceptions::InvalidResourceSpecification => e
    err = Chef::Exceptions::InvalidResourceSpecification.new(<<-F)
Resource #{notifying_resource} is configured to notify resource #{resource} with action #{action}, \
but #{resource.inspect} is not valid syntax to look up a resource in the resource collection. Notification \
is defined near #{notifying_resource.source_line}
F
    err.set_backtrace(e.backtrace)
  raise err
end