Class: Chef::Provider::Directory

Inherits:
File show all
Defined in:
lib/chef/provider/directory.rb

Direct Known Subclasses

RemoteDirectory

Instance Attribute Summary

Attributes inherited from File

#deployment_strategy, #managing_symlink, #needs_creating, #needs_unlinking

Attributes inherited from Chef::Provider

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

Instance Method Summary collapse

Methods inherited from File

#action_create_if_missing, #action_touch, #initialize, #manage_symlink_access?

Methods included from Mixin::FileClass

#file_class

Methods included from Util::Selinux

#restore_security_context, #selinux_enabled?

Methods included from Mixin::Which

#where, #which

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::Checksum

#checksum, #short_cksum

Methods included from Mixin::EnforceOwnershipAndPermissions

#access_controls, #enforce_ownership_and_permissions

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::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::File

Instance Method Details

#action_createObject


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# File 'lib/chef/provider/directory.rb', line 124

def action_create
  unless ::File.exists?(new_resource.path)
    converge_by("create new directory #{new_resource.path}") do
      if new_resource.recursive == true
        ::FileUtils.mkdir_p(new_resource.path)
      else
        ::Dir.mkdir(new_resource.path)
      end
      Chef::Log.info("#{new_resource} created directory #{new_resource.path}")
    end
  end
  do_acl_changes
  do_selinux(true)
  load_resource_attributes_from_file(new_resource) unless Chef::Config[:why_run]
end

#action_deleteObject


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# File 'lib/chef/provider/directory.rb', line 140

def action_delete
  if ::File.exists?(new_resource.path)
    converge_by("delete existing directory #{new_resource.path}") do
      if new_resource.recursive == true
        # we don't use rm_rf here because it masks all errors, including
        # IO errors or permission errors that would prvent the deletion
        FileUtils.rm_r(new_resource.path)
        Chef::Log.info("#{new_resource} deleted #{new_resource.path} recursively")
      else
        ::Dir.delete(new_resource.path)
        Chef::Log.info("#{new_resource} deleted #{new_resource.path}")
      end
    end
  end
end

#define_resource_requirementsObject


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# File 'lib/chef/provider/directory.rb', line 41

def define_resource_requirements
  # deep inside FAC we have to assert requirements, so call FACs hook to set that up
  access_controls.define_resource_requirements

  requirements.assert(:create) do |a|
    # Make sure the parent dir exists, or else fail.
    # for why run, print a message explaining the potential error.
    parent_directory = ::File.dirname(new_resource.path)
    a.assertion do
      if new_resource.recursive
        does_parent_exist = lambda do |base_dir|
          base_dir = ::File.dirname(base_dir)
          if ::File.exist?(base_dir)
            ::File.directory?(base_dir)
          else
            does_parent_exist.call(base_dir)
          end
        end
        does_parent_exist.call(new_resource.path)
      else
        ::File.directory?(parent_directory)
      end
    end
    a.failure_message(Chef::Exceptions::EnclosingDirectoryDoesNotExist, "Parent directory #{parent_directory} does not exist, cannot create #{new_resource.path}")
    a.whyrun("Assuming directory #{parent_directory} would have been created")
  end

  requirements.assert(:create) do |a|
    parent_directory = ::File.dirname(new_resource.path)
    a.assertion do
      if new_resource.recursive
        # find the lowest-level directory in new_resource.path that already exists
        # make sure we have write permissions to that directory
        is_parent_writable = lambda do |base_dir|
          base_dir = ::File.dirname(base_dir)
          if ::File.exists?(base_dir)
            if Chef::FileAccessControl.writable?(base_dir)
              true
            elsif Chef::Util::PathHelper.is_sip_path?(base_dir, node)
              Chef::Util::PathHelper.writable_sip_path?(base_dir)
            else
              false
            end
          else
            is_parent_writable.call(base_dir)
          end
        end
        is_parent_writable.call(new_resource.path)
      else
        # in why run mode & parent directory does not exist no permissions check is required
        # If not in why run, permissions must be valid and we rely on prior assertion that dir exists
        if !whyrun_mode? || ::File.exists?(parent_directory)
          if Chef::FileAccessControl.writable?(parent_directory)
            true
          elsif Chef::Util::PathHelper.is_sip_path?(parent_directory, node)
            Chef::Util::PathHelper.writable_sip_path?(new_resource.path)
          else
            false
          end
        else
          true
        end
      end
    end
    a.failure_message(Chef::Exceptions::InsufficientPermissions,
      "Cannot create #{new_resource} at #{new_resource.path} due to insufficient permissions")
  end

  requirements.assert(:delete) do |a|
    a.assertion do
      if ::File.exists?(new_resource.path)
        ::File.directory?(new_resource.path) && Chef::FileAccessControl.writable?(new_resource.path)
      else
        true
      end
    end
    a.failure_message(RuntimeError, "Cannot delete #{new_resource} at #{new_resource.path}!")
    # No why-run handling here:
    #  * if we don't have permissions, this is unlikely to be changed earlier in the run
    #  * if the target is a file (not a dir), there's no reasonable path by which this would have been changed
  end
end

#load_current_resourceObject


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# File 'lib/chef/provider/directory.rb', line 32

def load_current_resource
  @current_resource = Chef::Resource::Directory.new(new_resource.name)
  current_resource.path(new_resource.path)
  if ::File.exists?(current_resource.path) && @action != :create_if_missing
    load_resource_attributes_from_file(current_resource)
  end
  current_resource
end