diff options
Diffstat (limited to 'lib/chef/chef_fs/file_system/rest_list_entry.rb')
-rw-r--r-- | lib/chef/chef_fs/file_system/rest_list_entry.rb | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/lib/chef/chef_fs/file_system/rest_list_entry.rb b/lib/chef/chef_fs/file_system/rest_list_entry.rb new file mode 100644 index 0000000000..dd504ef341 --- /dev/null +++ b/lib/chef/chef_fs/file_system/rest_list_entry.rb @@ -0,0 +1,123 @@ +# +# Author:: John Keiser (<jkeiser@opscode.com>) +# Copyright:: Copyright (c) 2012 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/chef_fs/file_system/base_fs_object' +require 'chef/chef_fs/file_system/not_found_error' +require 'chef/role' +require 'chef/node' + +class Chef + module ChefFS + module FileSystem + class RestListEntry < BaseFSObject + def initialize(name, parent, exists = nil) + super(name, parent) + @exists = exists + end + + def api_path + if name.length < 5 || name[-5,5] != ".json" + raise "Invalid name #{path}: must end in .json" + end + api_child_name = name[0,name.length-5] + "#{parent.api_path}/#{api_child_name}" + end + + def environment + parent.environment + end + + def exists? + if @exists.nil? + begin + @exists = parent.children.any? { |child| child.name == name } + rescue Chef::ChefFS::FileSystem::NotFoundError + @exists = false + end + end + @exists + end + + def delete(recurse) + begin + rest.delete_rest(api_path) + rescue Net::HTTPServerException + if $!.response.code == "404" + raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found" + else + raise + end + end + end + + def read + Chef::JSONCompat.to_json_pretty(chef_object.to_hash) + end + + def chef_object + begin + # REST will inflate the Chef object using json_class + rest.get_rest(api_path) + rescue Net::HTTPServerException + if $!.response.code == "404" + raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found" + else + raise + end + end + end + + def compare_to(other) + begin + other_value = other.read + rescue Chef::ChefFS::FileSystem::NotFoundError + return [ nil, nil, :none ] + end + begin + value = chef_object.to_hash + rescue Chef::ChefFS::FileSystem::NotFoundError + return [ false, :none, other_value ] + end + are_same = (value == Chef::JSONCompat.from_json(other_value, :create_additions => false)) + [ are_same, Chef::JSONCompat.to_json_pretty(value), other_value ] + end + + def rest + parent.rest + end + + def write(file_contents) + json = Chef::JSONCompat.from_json(file_contents).to_hash + base_name = name[0,name.length-5] + if json['name'] != base_name + raise "Name in #{path_for_printing}/#{name} must be '#{base_name}' (is '#{json['name']}')" + end + begin + rest.put_rest(api_path, json) + rescue Net::HTTPServerException + if $!.response.code == "404" + raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found" + else + raise + end + end + end + end + end + end +end |