Class: Chef::Provider::RegistryKey

Inherits:
Chef::Provider show all
Includes:
Mixin::Checksum
Defined in:
lib/chef/provider/registry_key.rb

Instance Attribute Summary

Attributes inherited from Chef::Provider

#action, #cookbook_name, #current_resource, #new_resource, #recipe_name, #run_context

Instance Method Summary collapse

Methods included from Mixin::Checksum

#checksum, #short_cksum

Methods inherited from Chef::Provider

action, #action_nothing, #check_resource_semantics!, #cleanup_after_converge, #compile_and_converge_action, #converge_by, #converge_if_changed, #events, include_resource_dsl?, include_resource_dsl_module, #initialize, #node, #process_resource_requirements, provides, provides?, #requirements, #resource_collection, #resource_updated?, #run_action, #set_updated_status, supports?, use_inline_resources, #whyrun_mode?, #whyrun_supported?

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::LazyModuleInclude

#descendants, #include, #included

Methods included from Mixin::NotifyingBlock

#notifying_block, #subcontext_block

Methods included from DSL::DeclareResource

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

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 DSL::PlatformIntrospection

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

Constructor Details

This class inherits a constructor from Chef::Provider

Instance Method Details

#action_createObject


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# File 'lib/chef/provider/registry_key.rb', line 116

def action_create
  unless registry.key_exists?(current_resource.key)
    converge_by("create key #{new_resource.key}") do
      registry.create_key(new_resource.key, new_resource.recursive)
    end
  end
  new_resource.unscrubbed_values.each do |value|
    if @name_hash.has_key?(value[:name].downcase)
      current_value = @name_hash[value[:name].downcase]
      if [:dword, :dword_big_endian, :qword].include? value[:type]
        value[:data] = value[:data].to_i
      end
      unless current_value[:type] == value[:type] && current_value[:data] == value[:data]
        converge_by("set value #{value}") do
          registry.set_value(new_resource.key, value)
        end
      end
    else
      converge_by("set value #{value}") do
        registry.set_value(new_resource.key, value)
      end
    end
  end
end

#action_create_if_missingObject


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# File 'lib/chef/provider/registry_key.rb', line 141

def action_create_if_missing
  unless registry.key_exists?(new_resource.key)
    converge_by("create key #{new_resource.key}") do
      registry.create_key(new_resource.key, new_resource.recursive)
    end
  end
  new_resource.unscrubbed_values.each do |value|
    unless @name_hash.has_key?(value[:name].downcase)
      converge_by("create value #{value}") do
        registry.set_value(new_resource.key, value)
      end
    end
  end
end

#action_deleteObject


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# File 'lib/chef/provider/registry_key.rb', line 156

def action_delete
  if registry.key_exists?(new_resource.key)
    new_resource.unscrubbed_values.each do |value|
      if @name_hash.has_key?(value[:name].downcase)
        converge_by("delete value #{value}") do
          registry.delete_value(new_resource.key, value)
        end
      end
    end
  end
end

#action_delete_keyObject


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# File 'lib/chef/provider/registry_key.rb', line 168

def action_delete_key
  if registry.key_exists?(new_resource.key)
    converge_by("delete key #{new_resource.key}") do
      registry.delete_key(new_resource.key, new_resource.recursive)
    end
  end
end

#define_resource_requirementsObject


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# File 'lib/chef/provider/registry_key.rb', line 76

def define_resource_requirements
  requirements.assert(:create, :create_if_missing, :delete, :delete_key) do |a|
    a.assertion { registry.hive_exists?(new_resource.key) }
    a.failure_message(Chef::Exceptions::Win32RegHiveMissing, "Hive #{new_resource.key.split("\\").shift} does not exist")
  end

  requirements.assert(:create) do |a|
    a.assertion { registry.key_exists?(new_resource.key) }
    a.whyrun("Key #{new_resource.key} does not exist. Unless it would have been created before, attempt to modify its values would fail.")
  end

  requirements.assert(:create, :create_if_missing) do |a|
    # If keys missing in the path and recursive == false
    a.assertion { !registry.keys_missing?(current_resource.key) || new_resource.recursive }
    a.failure_message(Chef::Exceptions::Win32RegNoRecursive, "Intermediate keys missing but recursive is set to false")
    a.whyrun("Intermediate keys in #{new_resource.key} do not exist. Unless they would have been created earlier, attempt to modify them would fail.")
  end

  requirements.assert(:delete_key) do |a|
    # If key to be deleted has subkeys but recurssive == false
    a.assertion { !registry.key_exists?(new_resource.key) || !registry.has_subkeys?(new_resource.key) || new_resource.recursive }
    a.failure_message(Chef::Exceptions::Win32RegNoRecursive, "#{new_resource.key} has subkeys but recursive is set to false.")
    a.whyrun("#{current_resource.key} has subkeys, but recursive is set to false. attempt to delete would fails unless subkeys were deleted prior to this action.")
  end

  requirements.assert(:create, :create_if_missing) do |a|
    # If type key missing in the RegistryKey values hash
    a.assertion { !key_missing?(new_resource.values, :type) }
    a.failure_message(Chef::Exceptions::RegKeyValuesTypeMissing, "Missing type key in RegistryKey values hash")
    a.whyrun("Type key does not exist. Attempt would fail unless the complete values hash containing all the keys does not exist for registry_key resource's create action.")
  end

  requirements.assert(:create, :create_if_missing) do |a|
    # If data key missing in the RegistryKey values hash
    a.assertion { !key_missing?(new_resource.values, :data) }
    a.failure_message(Chef::Exceptions::RegKeyValuesDataMissing, "Missing data key in RegistryKey values hash")
    a.whyrun("Data key does not exist. Attempt would fail unless the complete values hash containing all the keys does not exist for registry_key resource's create action.")
  end
end

#key_missing?(values, name) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/chef/provider/registry_key.rb', line 69

def key_missing?(values, name)
  values.each do |v|
    return true unless v.has_key?(name)
  end
  false
end

#load_current_resourceObject


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# File 'lib/chef/provider/registry_key.rb', line 44

def load_current_resource
  running_on_windows!
  @current_resource ||= Chef::Resource::RegistryKey.new(new_resource.key, run_context)
  current_resource.key(new_resource.key)
  current_resource.architecture(new_resource.architecture)
  current_resource.recursive(new_resource.recursive)
  if registry.key_exists?(new_resource.key)
    current_resource.values(registry.get_values(new_resource.key))
  end
  values_to_hash(current_resource.unscrubbed_values)
  current_resource
end

#registryObject


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# File 'lib/chef/provider/registry_key.rb', line 57

def registry
  @registry ||= Chef::Win32::Registry.new(@run_context, new_resource.architecture)
end

#running_on_windows!Object


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# File 'lib/chef/provider/registry_key.rb', line 38

def running_on_windows!
  unless Chef::Platform.windows?
    raise Chef::Exceptions::Win32NotWindows, "Attempt to manipulate the windows registry on a non-windows node"
  end
end

#values_to_hash(values) ⇒ Object


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# File 'lib/chef/provider/registry_key.rb', line 61

def values_to_hash(values)
  if values
    @name_hash = Hash[values.map { |val| [val[:name].downcase, val] }]
  else
    @name_hash = {}
  end
end