Class: Chef::Resource::LWRPBase

Inherits:
Chef::Resource show all
Extended by:
Mixin::ConvertToClassName, Mixin::FromFile
Defined in:
lib/chef/resource/lwrp_base.rb

Overview

Chef::Resource::LWRPBase

Base class for LWRP resources. Adds DSL sugar on top of Chef::Resource, so attributes, default action, etc. can be defined with pleasing syntax.

Constant Summary

Constants inherited from Chef::Resource

FORBIDDEN_IVARS, HIDDEN_IVARS

Class Attribute Summary collapse

Attributes included from Mixin::FromFile

#source_file

Attributes inherited from Chef::Resource

#allowed_actions, #cookbook_name, #declared_type, #default_guard_interpreter, #elapsed_time, #enclosing_provider, #logger, #params, #recipe_name, #resource_initializing, #run_context, #source_line, #updated

Class Method Summary collapse

Methods included from Mixin::FromFile

class_from_file, from_file

Methods included from Mixin::ConvertToClassName

constantize, convert_to_class_name, convert_to_snake_case, filename_to_qualified_string, normalize_snake_case_name, snake_case_basename

Methods inherited from Chef::Resource

#action, action, #action=, action_class, #after_created, allowed_actions, allowed_actions=, #as_json, #before_notifications, #cookbook_version, #current_value, #current_value_does_not_exist!, #custom_exception_message, custom_resource?, #customize_exception, declare_action_class, #declared_key, default_action, default_action=, #defined_at, #delayed_action, #delayed_notifications, deprecated, description, #events, examples, from_hash, from_json, #guard_interpreter, #identity, identity_attr, identity_property, #ignore_failure, #immediate_notifications, inherited, #initialize, #inspect, introduced, is_custom_resource!, json_create, load_current_value, #load_from, #lookup_provider_constant, #method_missing, #name, #node, #not_if, #notifies, #notifies_before, #notifies_delayed, #notifies_immediately, #only_if, #provider, #provider=, #provider_for_action, provides, provides?, remove_canonical_dsl, #resolve_notification_references, resource_for_node, resource_matching_short_name, #resource_name, resource_name, resource_name=, #retries, #retry_delay, #run_action, #sensitive, #should_skip?, sorted_descendants, #source_line_file, #source_line_number, state_attrs, #state_for_resource_reporter, #subscribes, #to_hash, #to_json, #to_s, #to_text, #updated?, #updated_by_last_action, #updated_by_last_action?, use_automatic_resource_name, #validate_action, #validate_resource_spec!, #value_to_text

Methods included from Mixin::Provides

#provided_as, #provides, #provides?

Methods included from Mixin::DescendantsTracker

#descendants, descendants, direct_descendants, #direct_descendants, find_descendants_by_name, #find_descendants_by_name, #inherited, store_inherited

Methods included from Mixin::Deprecation

#deprecated_attr, #deprecated_attr_reader, #deprecated_attr_writer, #deprecated_ivar

Methods included from Mixin::Properties

included, #property_description, #property_is_set?, #reset_property

Methods included from Mixin::ParamsValidate

#lazy, #set_or_return, #validate

Methods included from Mixin::ShellOut

#a_to_s, #clean_array, #shell_out, #shell_out!, #shell_out_compact, #shell_out_compact!, #shell_out_compact_timeout, #shell_out_compact_timeout!, #shell_out_with_systems_locale, #shell_out_with_systems_locale!

Methods included from Mixin::PathSanity

#enforce_path_sanity, #sanitized_path

Methods included from Mixin::PowershellOut

#powershell_out, #powershell_out!

Methods included from Mixin::WindowsArchitectureHelper

#assert_valid_windows_architecture!, #disable_wow64_file_redirection, #forced_32bit_override_required?, #is_i386_process_on_x86_64_windows?, #node_supports_windows_architecture?, #node_windows_architecture, #restore_wow64_file_redirection, #valid_windows_architecture?, #with_os_architecture, #wow64_architecture_override_required?, #wow64_directory

Methods included from Mixin::PowershellExec

#powershell_exec

Methods included from DSL::PlatformIntrospection

#docker?, #platform?, #platform_family?, #value_for_platform, #value_for_platform_family

Methods included from DSL::RebootPending

#reboot_pending?

Methods included from DSL::RegistryHelper

#registry_data_exists?, #registry_get_subkeys, #registry_get_values, #registry_has_subkeys?, #registry_key_exists?, #registry_value_exists?

Methods included from DSL::DataQuery

#data_bag, #data_bag_item, #search

Methods included from EncryptedDataBagItem::CheckEncrypted

#encrypted?

Methods included from DSL::DeclareResource

#build_resource, #declare_resource, #delete_resource, #delete_resource!, #edit_resource, #edit_resource!, #find_resource, #find_resource!, #resources, #with_run_context

Constructor Details

This class inherits a constructor from Chef::Resource

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::Resource

Class Attribute Details

.run_context ⇒ Object

Set the run context on the class. Used to provide access to the node during class definition.



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# File 'lib/chef/resource/lwrp_base.rb', line 95

def run_context
  @run_context
end

Class Method Details

.actions(*action_names) ⇒ Object

Adds action_names to the list of valid actions for this resource. Does not include superclass’s action list when appending.



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# File 'lib/chef/resource/lwrp_base.rb', line 77

def actions(*action_names)
  action_names = action_names.flatten
  if !action_names.empty? && !@allowed_actions
    self.allowed_actions = ([ :nothing ] + action_names).uniq
  else
    allowed_actions(*action_names)
  end
end

.build_from_file(cookbook_name, filename, run_context) ⇒ Object 



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# File 'lib/chef/resource/lwrp_base.rb', line 44

def build_from_file(cookbook_name, filename, run_context)
  if LWRPBase.loaded_lwrps[filename]
    Chef::Log.trace("Custom resource #{filename} from cookbook #{cookbook_name} has already been loaded!  Skipping the reload.")
    return loaded_lwrps[filename]
  end

  resource_name = filename_to_qualified_string(cookbook_name, filename)

  # We load the class first to give it a chance to set its own name
  resource_class = Class.new(self)
  resource_class.resource_name resource_name.to_sym
  resource_class.run_context = run_context
  resource_class.class_from_file(filename)

  # Make a useful string for the class (rather than <Class:312894723894>)
  resource_class.instance_eval do
    define_singleton_method(:to_s) do
      "Custom resource #{resource_name} from cookbook #{cookbook_name}"
    end
    define_singleton_method(:inspect) { to_s }
  end

  Chef::Log.trace("Loaded contents of #{filename} into resource #{resource_name} (#{resource_class})")

  LWRPBase.loaded_lwrps[filename] = true

  resource_class
end

.node ⇒ Object 



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# File 'lib/chef/resource/lwrp_base.rb', line 97

def node
  run_context ? run_context.node : nil
end

.valid_actions(*args) ⇒ Object

Deprecated. 


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# File 'lib/chef/resource/lwrp_base.rb', line 88

def valid_actions(*args)
  Chef::Log.warn("`valid_actions' is deprecated, please use allowed_actions `instead'!")
  allowed_actions(*args)
end