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#
# Author:: Adam Jacob (<adam@chef.io>)
# Author:: Seth Chisamore (<schisamo@chef.io>)
# Copyright:: Copyright 2008-2018, Chef Software 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/resource"
require "chef/platform/query_helpers"
require "chef/mixin/securable"
require "chef/resource/file/verification"
require "pathname"
class Chef
class Resource
# Use the file resource to manage files directly on a node.
class File < Chef::Resource
include Chef::Mixin::Securable
if Platform.windows?
# Use Windows rights instead of standard *nix permissions
state_attrs :checksum, :rights, :deny_rights
else
state_attrs :checksum, :owner, :group, :mode
end
attr_writer :checksum
#
# The checksum of the rendered file. This has to be saved on the
# new_resource for the 'after' state for reporting but we cannot
# mutate the new_resource.checksum which would change the
# user intent in the new_resource if the resource is reused.
#
# @return [String] Checksum of the file we actually rendered
attr_accessor :final_checksum
default_action :create
allowed_actions :create, :delete, :touch, :create_if_missing
property :path, String, name_property: true, identity: true
property :atomic_update, [ true, false ], desired_state: false, default: lazy { |r| r.docker? && r.special_docker_files?(r.path) ? false : Chef::Config[:file_atomic_update] }
property :backup, [ Integer, false ], desired_state: false, default: 5
property :checksum, [ /^[a-zA-Z0-9]{64}$/, nil ]
property :content, [ String, nil ], desired_state: false
property :diff, [ String, nil ], desired_state: false
property :force_unlink, [ true, false ], desired_state: false, default: false
property :manage_symlink_source, [ true, false ], desired_state: false
property :verifications, Array, default: lazy { [] }
def verify(command = nil, opts = {}, &block)
if ! (command.nil? || [String, Symbol].include?(command.class))
raise ArgumentError, "verify requires either a string, symbol, or a block"
end
if command || block_given?
verifications << Verification.new(self, command, opts, &block)
else
verifications
end
end
def state_for_resource_reporter
state_attrs = super()
# fix up checksum state with final_checksum saved by the provider
if checksum.nil? && final_checksum
state_attrs[:checksum] = final_checksum
end
state_attrs
end
def special_docker_files?(file)
%w{/etc/hosts /etc/hostname /etc/resolv.conf}.include?(Pathname(file.scrub).cleanpath.to_path)
end
end
end
end
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