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#
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Copyright:: Copyright (c) 2010 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/file_access_control'
require 'chef/provider/file'
require 'tempfile'
class Chef
class Provider
class CookbookFile < Chef::Provider::File
def whyrun_supported?
true
end
def load_current_resource
@current_resource = Chef::Resource::CookbookFile.new(@new_resource.name)
super
end
def action_create
if file_cache_location && content_stale?
description = []
description << "create a new cookbook_file #{@new_resource.path}"
description << diff_current(file_cache_location)
converge_by(description) do
Chef::Log.debug("#{@new_resource} has new contents")
backup_new_resource
deploy_tempfile do |tempfile|
Chef::Log.debug("#{@new_resource} staging #{file_cache_location} to #{tempfile.path}")
tempfile.close
FileUtils.cp(file_cache_location, tempfile.path)
# Since the @new_resource.path file will not be updated
# at the time of converge, we must use the tempfile
update_new_file_state(tempfile.path)
end
Chef::Log.info("#{@new_resource} created file #{@new_resource.path}")
end
else
set_all_access_controls
end
end
def file_cache_location
@file_cache_location ||= begin
cookbook = run_context.cookbook_collection[resource_cookbook]
cookbook.preferred_filename_on_disk_location(node, :files, @new_resource.source, @new_resource.path)
end
end
# Determine the cookbook to get the file from. If new resource sets an
# explicit cookbook, use it, otherwise fall back to the implicit cookbook
# i.e., the cookbook the resource was declared in.
def resource_cookbook
@new_resource.cookbook || @new_resource.cookbook_name
end
def backup_new_resource
if ::File.exists?(@new_resource.path)
backup @new_resource.path
end
end
def content_stale?
( ! ::File.exist?(@new_resource.path)) || ( ! compare_content)
end
end
end
end
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