Class: Chef::Provider::Directory

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

Direct Known Subclasses

RemoteDirectory

Constant Summary

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::EnforceOwnershipAndPermissions

#access_controls, #enforce_ownership_and_permissions

Methods inherited from File

#action_create_if_missing, #action_touch, #backup, #compare_content, #deploy_tempfile, #diff_current, #diff_current_from_content, #is_binary?, #set_all_access_controls, #set_content, #setup_acl, #update_new_file_state

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!

Methods included from Mixin::Checksum

#checksum

Methods inherited from Chef::Provider

#action_nothing, #cleanup_after_converge, #cookbook_name, #events, #initialize, #node, #process_resource_requirements, #requirements, #resource_collection, #run_action, #set_updated_status, #whyrun_mode?

Methods included from DSL::Recipe

#method_missing

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Provider

Dynamic Method Handling

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

Instance Method Details

#action_create ⇒ Object 



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# File 'lib/chef/provider/directory.rb', line 101

def action_create
  unless ::File.exist?(@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
  set_all_access_controls
  update_new_file_state
end

#action_delete ⇒ Object 



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

def action_delete
  if ::File.exist?(@new_resource.path)
    converge_by("delete existing directory #{@new_resource.path}") do
      if @new_resource.recursive == true
        FileUtils.rm_rf(@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_requirements ⇒ Object 



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

def define_resource_requirements
  # this must be evaluated before whyrun messages are printed
  access_controls.requires_changes?

  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 { @new_resource.recursive || ::File.directory?(parent_directory) }
    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.exist?(base_dir) 
            ::File.writable?(base_dir)
          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.exist?(parent_directory) 
          ::File.writable?(parent_directory)
        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.exist?(@new_resource.path)
        ::File.directory?(@new_resource.path) && ::File.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_resource ⇒ Object 



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# File 'lib/chef/provider/directory.rb', line 36

def load_current_resource
  @current_resource = Chef::Resource::Directory.new(@new_resource.name)
  @current_resource.path(@new_resource.path)
  setup_acl

  @current_resource
end

#whyrun_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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

def whyrun_supported?
  true
end