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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/config'
require 'chef/log'
require 'chef/resource/directory'
require 'chef/provider'
require 'chef/provider/file'
require 'fileutils'
class Chef
class Provider
class Directory < Chef::Provider::File
def whyrun_supported?
true
end
def load_current_resource
@current_resource = Chef::Resource::Directory.new(@new_resource.name)
@current_resource.path(@new_resource.path)
setup_acl
@current_resource
end
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
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
end
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
end
end
end
|
