Class: Chef::GuardInterpreter::ResourceGuardInterpreter

Inherits:
DefaultGuardInterpreter show all
Defined in:
lib/chef/guard_interpreter/resource_guard_interpreter.rb

Constant Summary

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Method Summary collapse

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!

Constructor Details

#initialize(parent_resource, command, opts, &block) ⇒ ResourceGuardInterpreter

Returns a new instance of ResourceGuardInterpreter.



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# File 'lib/chef/guard_interpreter/resource_guard_interpreter.rb', line 25

def initialize(parent_resource, command, opts, &block)
  super(command, opts)
  @parent_resource = parent_resource
  @resource = get_interpreter_resource(parent_resource)
end

Instance Method Details

#evaluate ⇒ Object 



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# File 'lib/chef/guard_interpreter/resource_guard_interpreter.rb', line 31

def evaluate
  # Add attributes inherited from the parent class
  # to the resource
  merge_inherited_attributes

  # Script resources have a code attribute, which is
  # what is used to execute the command, so include
  # that with attributes specified by caller in opts
  block_attributes = @command_opts.merge({:code => @command})

  # Handles cases like powershell_script where default
  # attributes are different when used in a guard vs. not. For
  # powershell_script in particular, this will go away when
  # the one attribue that causes this changes its default to be
  # the same after some period to prepare for deprecation
  if @resource.class.respond_to?(:get_default_attributes)
    block_attributes = @resource.class.send(:get_default_attributes, @command_opts).merge(block_attributes)
  end

  resource_block = block_from_attributes(block_attributes)
  evaluate_action(nil, &resource_block)
end