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#
# Author:: John Keiser (<jkeiser@chef.io>)
# Copyright:: Copyright (c) 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_relative "../../command_line"
require_relative "rest_list_dir"
require_relative "cookbook_subdir"
require_relative "cookbook_file"
require_relative "../exceptions"
require_relative "../../../cookbook_version"
require_relative "../../../cookbook_uploader"
class Chef
module ChefFS
module FileSystem
module ChefServer
# Unversioned cookbook.
#
# /cookbooks/NAME
#
# Children look like:
#
# - metadata.rb
# - attributes/
# - libraries/
# - recipes/
#
class CookbookDir < BaseFSDir
def initialize(name, parent, options = {})
super(name, parent)
@exists = options[:exists]
@cookbook_name = name
@version = root.cookbook_version # nil unless --cookbook-version specified in download/diff
end
attr_reader :cookbook_name, :version
def add_child(child)
@children << child
end
def api_path
"#{parent.api_path}/#{cookbook_name}/#{version || "_latest"}"
end
def make_child_entry(name)
# Since we're ignoring the rules and doing a network request here,
# we need to make sure we don't rethrow the exception. (child(name)
# is not supposed to fail.)
children.find { |child| child.name == name }
rescue Chef::ChefFS::FileSystem::NotFoundError
nil
end
def can_have_child?(name, is_dir)
return name != "root_files" if is_dir
true
end
def children
if @children.nil?
@children = []
manifest = chef_object.cookbook_manifest
manifest.by_parent_directory.each_value do |files|
files.each do |file|
parts = file[:path].split("/")
# Get or create the path to the file
container = self
parts[0, parts.length - 1].each do |part|
old_container = container
container = old_container.children.find { |child| part == child.name }
unless container
container = CookbookSubdir.new(part, old_container, false, true)
old_container.add_child(container)
end
end
# Create the file itself
container.add_child(CookbookFile.new(parts[parts.length - 1], container, file))
end
end
@children = @children.sort_by(&:name)
end
@children
end
def dir?
exists?
end
def delete(recurse)
if recurse
begin
rest.delete(api_path)
rescue Timeout::Error => e
raise Chef::ChefFS::FileSystem::OperationFailedError.new(:delete, self, e, "Timeout deleting: #{e}")
rescue Net::HTTPClientException
if $!.response.code == "404"
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, $!)
else
raise Chef::ChefFS::FileSystem::OperationFailedError.new(:delete, self, e, "HTTP error deleting: #{e}")
end
end
else
raise NotFoundError.new(self) unless exists?
raise MustDeleteRecursivelyError.new(self, "#{path_for_printing} must be deleted recursively")
end
end
# In versioned cookbook mode, actually check if the version exists
# Probably want to cache this.
def exists?
if @exists.nil?
@exists = parent.children.any? { |child| child.name == name }
end
@exists
end
def compare_to(other)
unless other.dir?
return [ !exists?, nil, nil ]
end
are_same = true
Chef::ChefFS::CommandLine.diff_entries(self, other, nil, :name_only).each do |type, old_entry, new_entry|
if %i{directory_to_file file_to_directory deleted added modified}.include?(type)
are_same = false
end
end
[ are_same, nil, nil ]
end
def copy_from(other, options = {})
parent.upload_cookbook_from(other, options)
end
def rest
Chef::ServerAPI.new(parent.rest.url, parent.rest.options.merge(version_class: Chef::CookbookManifestVersions))
end
def chef_rest
Chef::ServerAPI.new(parent.chef_rest.url, parent.chef_rest.options.merge(version_class: Chef::CookbookManifestVersions))
end
def chef_object
# We cheat and cache here, because it seems like a good idea to keep
# the cookbook view consistent with the directory structure.
return @chef_object if @chef_object
# The negative (not found) response is cached
if @could_not_get_chef_object
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, @could_not_get_chef_object)
end
begin
# We want to fail fast, for now, because of the 500 issue :/
# This will make things worse for parallelism, a little, because
# Chef::Config is global and this could affect other requests while
# this request is going on. (We're not parallel yet, but we will be.)
# Chef bug http://tickets.opscode.com/browse/CHEF-3066
old_retry_count = Chef::Config[:http_retry_count]
begin
Chef::Config[:http_retry_count] = 0
@chef_object ||= Chef::CookbookVersion.from_hash(chef_rest.get(api_path))
ensure
Chef::Config[:http_retry_count] = old_retry_count
end
rescue Timeout::Error => e
raise Chef::ChefFS::FileSystem::OperationFailedError.new(:read, self, e, "Timeout reading: #{e}")
rescue Net::HTTPClientException => e
if e.response.code == "404"
@could_not_get_chef_object = e
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, @could_not_get_chef_object)
else
raise Chef::ChefFS::FileSystem::OperationFailedError.new(:read, self, e, "HTTP error reading: #{e}")
end
# Chef bug http://tickets.opscode.com/browse/CHEF-3066 ... instead of 404 we get 500 right now.
# Remove this when that bug is fixed.
rescue Net::HTTPFatalError => e
if e.response.code == "500"
@could_not_get_chef_object = e
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, @could_not_get_chef_object)
else
raise Chef::ChefFS::FileSystem::OperationFailedError.new(:read, self, e, "HTTP error reading: #{e}")
end
end
end
end
end
end
end
end
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